# Guess values for system-dependent variables and create Makefiles.
# Generated by GNU Autoconf 2.69 for PostgreSQL 12devel.
#
-# Report bugs to <pgsql-bugs@postgresql.org>.
+# Report bugs to <pgsql-bugs@lists.postgresql.org>.
#
#
# Copyright (C) 1992-1996, 1998-2012 Free Software Foundation, Inc.
# This configure script is free software; the Free Software Foundation
# gives unlimited permission to copy, distribute and modify it.
#
-# Copyright (c) 1996-2018, PostgreSQL Global Development Group
+# Copyright (c) 1996-2019, PostgreSQL Global Development Group
## -------------------- ##
## M4sh Initialization. ##
## -------------------- ##
$as_echo "$0: be upgraded to zsh 4.3.4 or later."
else
$as_echo "$0: Please tell bug-autoconf@gnu.org and
-$0: pgsql-bugs@postgresql.org about your system, including
-$0: any error possibly output before this message. Then
-$0: install a modern shell, or manually run the script
-$0: under such a shell if you do have one."
+$0: pgsql-bugs@lists.postgresql.org about your system,
+$0: including any error possibly output before this
+$0: message. Then install a modern shell, or manually run
+$0: the script under such a shell if you do have one."
fi
exit 1
fi
PACKAGE_TARNAME='postgresql'
PACKAGE_VERSION='12devel'
PACKAGE_STRING='PostgreSQL 12devel'
-PACKAGE_BUGREPORT='pgsql-bugs@postgresql.org'
+PACKAGE_BUGREPORT='pgsql-bugs@lists.postgresql.org'
PACKAGE_URL=''
ac_unique_file="src/backend/access/common/heaptuple.c"
ac_subst_vars='LTLIBOBJS
vpath_build
+PG_SYSROOT
PG_VERSION_NUM
PROVE
FOP
CFLAGS_ARMV8_CRC32C
CFLAGS_SSE42
have_win32_dbghelp
-HAVE_IPV6
LIBOBJS
UUID_LIBS
LDAP_LIBS_BE
PTHREAD_LIBS
PTHREAD_CC
ax_pthread_config
+SED
ZIC
python_additional_libs
python_libspec
PYTHON
perl_embed_ldflags
perl_embed_ccflags
+perl_includespec
perl_useshrplib
perl_privlibexp
perl_archlibexp
BITCODE_CXXFLAGS
BITCODE_CFLAGS
CFLAGS_VECTOR
+PERMIT_DECLARATION_AFTER_STATEMENT
LLVM_BINPATH
LLVM_CXXFLAGS
LLVM_CFLAGS
LCOV
GCOV
enable_debug
-enable_strong_random
enable_rpath
default_port
WANTED_LANGUAGES
enable_rpath
enable_spinlocks
enable_atomics
-enable_strong_random
enable_debug
enable_profiling
enable_coverage
PKG_CONFIG_LIBDIR
ICU_CFLAGS
ICU_LIBS
+XML2_CONFIG
LDFLAGS_EX
-LDFLAGS_SL'
+LDFLAGS_SL
+PERL
+PYTHON
+MSGFMT
+TCLSH'
# Initialize some variables set by options.
executables
--disable-spinlocks do not use spinlocks
--disable-atomics do not use atomic operations
- --disable-strong-random do not use a strong random number source
--enable-debug build with debugging symbols (-g)
--enable-profiling build with profiling enabled
--enable-coverage build with coverage testing instrumentation
path overriding pkg-config's built-in search path
ICU_CFLAGS C compiler flags for ICU, overriding pkg-config
ICU_LIBS linker flags for ICU, overriding pkg-config
+ XML2_CONFIG path to xml2-config utility
LDFLAGS_EX extra linker flags for linking executables only
LDFLAGS_SL extra linker flags for linking shared libraries only
+ PERL Perl program
+ PYTHON Python program
+ MSGFMT msgfmt program for NLS
+ TCLSH Tcl interpreter program (tclsh)
Use these variables to override the choices made by `configure' or to help
it to find libraries and programs with nonstandard names/locations.
-Report bugs to <pgsql-bugs@postgresql.org>.
+Report bugs to <pgsql-bugs@lists.postgresql.org>.
_ACEOF
ac_status=$?
fi
This configure script is free software; the Free Software Foundation
gives unlimited permission to copy, distribute and modify it.
-Copyright (c) 1996-2018, PostgreSQL Global Development Group
+Copyright (c) 1996-2019, PostgreSQL Global Development Group
_ACEOF
exit
fi
} # ac_fn_cxx_try_compile
-# ac_fn_c_check_decl LINENO SYMBOL VAR INCLUDES
-# ---------------------------------------------
-# Tests whether SYMBOL is declared in INCLUDES, setting cache variable VAR
-# accordingly.
-ac_fn_c_check_decl ()
-{
- as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
- as_decl_name=`echo $2|sed 's/ *(.*//'`
- as_decl_use=`echo $2|sed -e 's/(/((/' -e 's/)/) 0&/' -e 's/,/) 0& (/g'`
- { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $as_decl_name is declared" >&5
-$as_echo_n "checking whether $as_decl_name is declared... " >&6; }
-if eval \${$3+:} false; then :
- $as_echo_n "(cached) " >&6
-else
- cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h. */
-$4
-int
-main ()
-{
-#ifndef $as_decl_name
-#ifdef __cplusplus
- (void) $as_decl_use;
-#else
- (void) $as_decl_name;
-#endif
-#endif
-
- ;
- return 0;
-}
-_ACEOF
-if ac_fn_c_try_compile "$LINENO"; then :
- eval "$3=yes"
-else
- eval "$3=no"
-fi
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
-fi
-eval ac_res=\$$3
- { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5
-$as_echo "$ac_res" >&6; }
- eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno
-
-} # ac_fn_c_check_decl
-
# ac_fn_c_try_link LINENO
# -----------------------
# Try to link conftest.$ac_ext, and return whether this succeeded.
$as_echo "$as_me: WARNING: $2: section \"Present But Cannot Be Compiled\"" >&2;}
{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: $2: proceeding with the compiler's result" >&5
$as_echo "$as_me: WARNING: $2: proceeding with the compiler's result" >&2;}
-( $as_echo "## ---------------------------------------- ##
-## Report this to pgsql-bugs@postgresql.org ##
-## ---------------------------------------- ##"
+( $as_echo "## ---------------------------------------------- ##
+## Report this to pgsql-bugs@lists.postgresql.org ##
+## ---------------------------------------------- ##"
) | sed "s/^/$as_me: WARNING: /" >&2
;;
esac
as_fn_set_status $ac_retval
} # ac_fn_c_compute_int
+
+# ac_fn_c_check_decl LINENO SYMBOL VAR INCLUDES
+# ---------------------------------------------
+# Tests whether SYMBOL is declared in INCLUDES, setting cache variable VAR
+# accordingly.
+ac_fn_c_check_decl ()
+{
+ as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
+ # Initialize each $ac_[]_AC_LANG_ABBREV[]_decl_warn_flag once.
+ as_decl_name=`echo $2|sed 's/ *(.*//'`
+ as_decl_use=`echo $2|sed -e 's/(/((/' -e 's/)/) 0&/' -e 's/,/) 0& (/g'`
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $as_decl_name is declared" >&5
+$as_echo_n "checking whether $as_decl_name is declared... " >&6; }
+if eval \${$3+:} false; then :
+ $as_echo_n "(cached) " >&6
+else
+ ac_save_werror_flag=$ac_c_werror_flag
+ ac_c_werror_flag="$ac_c_decl_warn_flag$ac_c_werror_flag"
+ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+$4
+int
+main ()
+{
+#ifndef $as_decl_name
+#ifdef __cplusplus
+ (void) $as_decl_use;
+#else
+ (void) $as_decl_name;
+#endif
+#endif
+
+ ;
+ return 0;
+}
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+ eval "$3=yes"
+else
+ eval "$3=no"
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+ ac_c_werror_flag=$ac_save_werror_flag
+fi
+eval ac_res=\$$3
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5
+$as_echo "$ac_res" >&6; }
+ eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno
+
+} # ac_fn_c_check_decl
cat >config.log <<_ACEOF
This file contains any messages produced by compilers while
running configure, to aid debugging if configure makes a mistake.
To try a manual configuration, look into the src/template directory
for a similar platform and use the '--with-template=' option.
-Please also contact <pgsql-bugs@postgresql.org> to see about
+Please also contact <pgsql-bugs@lists.postgresql.org> to see about
rectifying this. Include the above 'checking host system type...'
line.
*******************************************************************
-#
-# Random number generation
-#
-
-
-# Check whether --enable-strong-random was given.
-if test "${enable_strong_random+set}" = set; then :
- enableval=$enable_strong_random;
- case $enableval in
- yes)
- :
- ;;
- no)
- :
- ;;
- *)
- as_fn_error $? "no argument expected for --enable-strong-random option" "$LINENO" 5
- ;;
- esac
-
-else
- enable_strong_random=yes
-
-fi
-
-
-
-
#
# --enable-debug adds -g to compiler flags
#
-if test "$with_llvm" = yes ; then
- for ac_prog in gawk mawk nawk awk
+for ac_prog in gawk mawk nawk awk
do
# Extract the first word of "$ac_prog", so it can be a program name with args.
set dummy $ac_prog; ac_word=$2
test -n "$AWK" && break
done
+if test "$with_llvm" = yes; then :
+
LLVM_BINPATH=`$LLVM_CONFIG --bindir`
- # Check which functionality is present
- SAVE_CPPFLAGS="$CPPFLAGS"
- CPPFLAGS="$CPPFLAGS $LLVM_CPPFLAGS"
- ac_fn_c_check_decl "$LINENO" "LLVMOrcGetSymbolAddressIn" "ac_cv_have_decl_LLVMOrcGetSymbolAddressIn" "#include <llvm-c/OrcBindings.h>
-"
-if test "x$ac_cv_have_decl_LLVMOrcGetSymbolAddressIn" = xyes; then :
- ac_have_decl=1
-else
- ac_have_decl=0
-fi
-
-cat >>confdefs.h <<_ACEOF
-#define HAVE_DECL_LLVMORCGETSYMBOLADDRESSIN $ac_have_decl
-_ACEOF
-
- ac_fn_c_check_decl "$LINENO" "LLVMGetHostCPUName" "ac_cv_have_decl_LLVMGetHostCPUName" "#include <llvm-c/TargetMachine.h>
-"
-if test "x$ac_cv_have_decl_LLVMGetHostCPUName" = xyes; then :
- ac_have_decl=1
-else
- ac_have_decl=0
-fi
-
-cat >>confdefs.h <<_ACEOF
-#define HAVE_DECL_LLVMGETHOSTCPUNAME $ac_have_decl
-_ACEOF
-ac_fn_c_check_decl "$LINENO" "LLVMGetHostCPUFeatures" "ac_cv_have_decl_LLVMGetHostCPUFeatures" "#include <llvm-c/TargetMachine.h>
-"
-if test "x$ac_cv_have_decl_LLVMGetHostCPUFeatures" = xyes; then :
- ac_have_decl=1
-else
- ac_have_decl=0
-fi
-
-cat >>confdefs.h <<_ACEOF
-#define HAVE_DECL_LLVMGETHOSTCPUFEATURES $ac_have_decl
-_ACEOF
-
- ac_fn_c_check_decl "$LINENO" "LLVMCreateGDBRegistrationListener" "ac_cv_have_decl_LLVMCreateGDBRegistrationListener" "#include <llvm-c/ExecutionEngine.h>
-"
-if test "x$ac_cv_have_decl_LLVMCreateGDBRegistrationListener" = xyes; then :
- ac_have_decl=1
-else
- ac_have_decl=0
-fi
-
-cat >>confdefs.h <<_ACEOF
-#define HAVE_DECL_LLVMCREATEGDBREGISTRATIONLISTENER $ac_have_decl
-_ACEOF
-ac_fn_c_check_decl "$LINENO" "LLVMCreatePerfJITEventListener" "ac_cv_have_decl_LLVMCreatePerfJITEventListener" "#include <llvm-c/ExecutionEngine.h>
-"
-if test "x$ac_cv_have_decl_LLVMCreatePerfJITEventListener" = xyes; then :
- ac_have_decl=1
-else
- ac_have_decl=0
-fi
-
-cat >>confdefs.h <<_ACEOF
-#define HAVE_DECL_LLVMCREATEPERFJITEVENTLISTENER $ac_have_decl
-_ACEOF
-
- CPPFLAGS="$SAVE_CPPFLAGS"
- # LLVM_CONFIG, CLANG are already output via AC_ARG_VAR
-fi
+fi # fi
unset CFLAGS
CFLAGS="-Wall -Wmissing-prototypes -Wpointer-arith"
CXXFLAGS="-Wall -Wpointer-arith"
# These work in some but not all gcc versions
+ save_CFLAGS=$CFLAGS
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether ${CC} supports -Wdeclaration-after-statement, for CFLAGS" >&5
$as_echo_n "checking whether ${CC} supports -Wdeclaration-after-statement, for CFLAGS... " >&6; }
fi
- # -Wdeclaration-after-statement isn't applicable for C++
+ # -Wdeclaration-after-statement isn't applicable for C++. Specific C files
+ # disable it, so AC_SUBST the negative form.
+ PERMIT_DECLARATION_AFTER_STATEMENT=
+ if test x"$save_CFLAGS" != x"$CFLAGS"; then
+ PERMIT_DECLARATION_AFTER_STATEMENT=-Wno-declaration-after-statement
+ fi
+
# Really don't want VLAs to be used in our dialect of C
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether ${CC} supports -Werror=vla, for CFLAGS" >&5
$as_echo "$XML2_CONFIG" >&6; }
fi
- if test -n "$XML2_CONFIG"; then
+ if test -n "$XML2_CONFIG"; then
for pgac_option in `$XML2_CONFIG --cflags`; do
case $pgac_option in
-I*|-D*) CPPFLAGS="$CPPFLAGS $pgac_option";;
$as_echo "no, using $LN_S" >&6; }
fi
-for ac_prog in gawk mawk nawk awk
-do
- # Extract the first word of "$ac_prog", so it can be a program name with args.
-set dummy $ac_prog; ac_word=$2
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
-$as_echo_n "checking for $ac_word... " >&6; }
-if ${ac_cv_prog_AWK+:} false; then :
- $as_echo_n "(cached) " >&6
-else
- if test -n "$AWK"; then
- ac_cv_prog_AWK="$AWK" # Let the user override the test.
-else
-as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
-for as_dir in $PATH
-do
- IFS=$as_save_IFS
- test -z "$as_dir" && as_dir=.
- for ac_exec_ext in '' $ac_executable_extensions; do
- if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
- ac_cv_prog_AWK="$ac_prog"
- $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
- break 2
- fi
-done
- done
-IFS=$as_save_IFS
-
-fi
-fi
-AWK=$ac_cv_prog_AWK
-if test -n "$AWK"; then
- { $as_echo "$as_me:${as_lineno-$LINENO}: result: $AWK" >&5
-$as_echo "$AWK" >&6; }
-else
- { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
-fi
-
-
- test -n "$AWK" && break
-done
-
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for a thread-safe mkdir -p" >&5
$as_echo_n "checking for a thread-safe mkdir -p... " >&6; }
if test -z "$MKDIR_P"; then
*** PostgreSQL then you do not need to worry about this, because the Bison
*** output is pre-generated.)" >&2;}
fi
-# We don't need AC_SUBST(BISON) because PGAC_PATH_PROGS did it
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for flex" >&5
documentation for details. Use --without-perl to disable building
PL/Perl." "$LINENO" 5
fi
+ # On most platforms, archlibexp is also where the Perl include files live ...
+ perl_includespec="-I$perl_archlibexp/CORE"
+ # ... but on newer macOS versions, we must use -iwithsysroot to look
+ # under $PG_SYSROOT
+ if test \! -f "$perl_archlibexp/CORE/perl.h" ; then
+ if test -f "$PG_SYSROOT$perl_archlibexp/CORE/perl.h" ; then
+ perl_includespec="-iwithsysroot $perl_archlibexp/CORE"
+ fi
+ fi
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for CFLAGS recommended by Perl" >&5
$as_echo_n "checking for CFLAGS recommended by Perl... " >&6; }
if test "$with_python" = yes; then
if test -z "$PYTHON"; then
- for ac_prog in python
+ for ac_prog in python python3 python2
do
# Extract the first word of "$ac_prog", so it can be a program name with args.
set dummy $ac_prog; ac_word=$2
# other libraries can pull in the pthread functions as a side-effect. We
# want to use the -pthread or similar flags directly, and not rely on
# the side-effects of linking with some other library.
-#
-# note: We have to use AS_IF here rather than plain if. The AC_CHECK_HEADER
-# invocation below is the first one in the script, and autoconf generates
-# additional code for that, which must not be inside the if-block. AS_IF
-# knows how to do that.
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for ANSI C header files" >&5
-$as_echo_n "checking for ANSI C header files... " >&6; }
-if ${ac_cv_header_stdc+:} false; then :
- $as_echo_n "(cached) " >&6
-else
- cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h. */
-#include <stdlib.h>
-#include <stdarg.h>
-#include <string.h>
-#include <float.h>
-
-int
-main ()
-{
- ;
- return 0;
-}
-_ACEOF
-if ac_fn_c_try_compile "$LINENO"; then :
- ac_cv_header_stdc=yes
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for a sed that does not truncate output" >&5
+$as_echo_n "checking for a sed that does not truncate output... " >&6; }
+if ${ac_cv_path_SED+:} false; then :
+ $as_echo_n "(cached) " >&6
else
- ac_cv_header_stdc=no
-fi
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+ ac_script=s/aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb/
+ for ac_i in 1 2 3 4 5 6 7; do
+ ac_script="$ac_script$as_nl$ac_script"
+ done
+ echo "$ac_script" 2>/dev/null | sed 99q >conftest.sed
+ { ac_script=; unset ac_script;}
+ if test -z "$SED"; then
+ ac_path_SED_found=false
+ # Loop through the user's path and test for each of PROGNAME-LIST
+ as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+ IFS=$as_save_IFS
+ test -z "$as_dir" && as_dir=.
+ for ac_prog in sed gsed; do
+ for ac_exec_ext in '' $ac_executable_extensions; do
+ ac_path_SED="$as_dir/$ac_prog$ac_exec_ext"
+ as_fn_executable_p "$ac_path_SED" || continue
+# Check for GNU ac_path_SED and select it if it is found.
+ # Check for GNU $ac_path_SED
+case `"$ac_path_SED" --version 2>&1` in
+*GNU*)
+ ac_cv_path_SED="$ac_path_SED" ac_path_SED_found=:;;
+*)
+ ac_count=0
+ $as_echo_n 0123456789 >"conftest.in"
+ while :
+ do
+ cat "conftest.in" "conftest.in" >"conftest.tmp"
+ mv "conftest.tmp" "conftest.in"
+ cp "conftest.in" "conftest.nl"
+ $as_echo '' >> "conftest.nl"
+ "$ac_path_SED" -f conftest.sed < "conftest.nl" >"conftest.out" 2>/dev/null || break
+ diff "conftest.out" "conftest.nl" >/dev/null 2>&1 || break
+ as_fn_arith $ac_count + 1 && ac_count=$as_val
+ if test $ac_count -gt ${ac_path_SED_max-0}; then
+ # Best one so far, save it but keep looking for a better one
+ ac_cv_path_SED="$ac_path_SED"
+ ac_path_SED_max=$ac_count
+ fi
+ # 10*(2^10) chars as input seems more than enough
+ test $ac_count -gt 10 && break
+ done
+ rm -f conftest.in conftest.tmp conftest.nl conftest.out;;
+esac
+
+ $ac_path_SED_found && break 3
+ done
+ done
+ done
+IFS=$as_save_IFS
+ if test -z "$ac_cv_path_SED"; then
+ as_fn_error $? "no acceptable sed could be found in \$PATH" "$LINENO" 5
+ fi
+else
+ ac_cv_path_SED=$SED
+fi
+
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_path_SED" >&5
+$as_echo "$ac_cv_path_SED" >&6; }
+ SED="$ac_cv_path_SED"
+ rm -f conftest.sed
+
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for ANSI C header files" >&5
+$as_echo_n "checking for ANSI C header files... " >&6; }
+if ${ac_cv_header_stdc+:} false; then :
+ $as_echo_n "(cached) " >&6
+else
+ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+#include <stdlib.h>
+#include <stdarg.h>
+#include <string.h>
+#include <float.h>
+
+int
+main ()
+{
+
+ ;
+ return 0;
+}
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+ ac_cv_header_stdc=yes
+else
+ ac_cv_header_stdc=no
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
if test $ac_cv_header_stdc = yes; then
# SunOS 4.x string.h does not declare mem*, contrary to ANSI.
+
ac_ext=c
ac_cpp='$CPP $CPPFLAGS'
ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
# First of all, check if the user has set any of the PTHREAD_LIBS,
# etcetera environment variables, and if threads linking works using
# them:
-if test x"$PTHREAD_LIBS$PTHREAD_CFLAGS" != x; then
- save_CFLAGS="$CFLAGS"
+if test "x$PTHREAD_CFLAGS$PTHREAD_LIBS" != "x"; then
+ ax_pthread_save_CC="$CC"
+ ax_pthread_save_CFLAGS="$CFLAGS"
+ ax_pthread_save_LIBS="$LIBS"
+ if test "x$PTHREAD_CC" != "x"; then :
+ CC="$PTHREAD_CC"
+fi
CFLAGS="$CFLAGS $PTHREAD_CFLAGS"
- save_LIBS="$LIBS"
LIBS="$PTHREAD_LIBS $LIBS"
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for pthread_join using $CC $PTHREAD_CFLAGS $PTHREAD_LIBS" >&5
$as_echo_n "checking for pthread_join using $CC $PTHREAD_CFLAGS $PTHREAD_LIBS... " >&6; }
conftest$ac_exeext conftest.$ac_ext
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ax_pthread_ok" >&5
$as_echo "$ax_pthread_ok" >&6; }
- if test x"$ax_pthread_ok" = xno; then
+ if test "x$ax_pthread_ok" = "xno"; then
PTHREAD_LIBS=""
PTHREAD_CFLAGS=""
fi
- LIBS="$save_LIBS"
- CFLAGS="$save_CFLAGS"
+ CC="$ax_pthread_save_CC"
+ CFLAGS="$ax_pthread_save_CFLAGS"
+ LIBS="$ax_pthread_save_LIBS"
fi
# We must check for the threads library under a number of different
# which indicates that we try without any flags at all, and "pthread-config"
# which is a program returning the flags for the Pth emulation library.
-ax_pthread_flags="pthreads none -Kthread -kthread lthread -pthread -pthreads -mt -mthreads pthread --thread-safe pthread-config"
+ax_pthread_flags="pthreads none -Kthread -pthread -pthreads -mthreads pthread --thread-safe -mt pthread-config"
# The ordering *is* (sometimes) important. Some notes on the
# individual items follow:
# none: in case threads are in libc; should be tried before -Kthread and
# other compiler flags to prevent continual compiler warnings
# -Kthread: Sequent (threads in libc, but -Kthread needed for pthread.h)
-# -kthread: FreeBSD kernel threads (preferred to -pthread since SMP-able)
-# lthread: LinuxThreads port on FreeBSD (also preferred to -pthread)
# -pthread: Linux/gcc (kernel threads), BSD/gcc (userland threads), Tru64
-# -pthreads: Solaris/gcc
+# (Note: HP C rejects this with "bad form for `-t' option")
+# -pthreads: Solaris/gcc (Note: HP C also rejects)
# -mt: Sun Workshop C (may only link SunOS threads [-lthread], but it
# doesn't hurt to check since this sometimes defines pthreads and
# -D_REENTRANT too), HP C (must be checked before -lpthread, which
-# is present but should not be used directly)
+# is present but should not be used directly; and before -mthreads,
+# because the compiler interprets this as "-mt" + "-hreads")
# -mthreads: Mingw32/gcc, Lynx/gcc
# pthread: Linux, etcetera
# --thread-safe: KAI C++
case $host_os in
+ freebsd*)
+
+ # -kthread: FreeBSD kernel threads (preferred to -pthread since SMP-able)
+ # lthread: LinuxThreads port on FreeBSD (also preferred to -pthread)
+
+ ax_pthread_flags="-kthread lthread $ax_pthread_flags"
+ ;;
+
hpux*)
# From the cc(1) man page: "[-mt] Sets various -D flags to enable
solaris*)
- # Newer versions of Solaris require the "-mt -lpthread" pair, and we
- # check that first. On some older versions, libc contains stubbed
+ # On Solaris (at least, for some versions), libc contains stubbed
# (non-functional) versions of the pthreads routines, so link-based
- # tests will erroneously succeed. (We need to link with -pthreads/-mt/
- # -lpthread.) (The stubs are missing pthread_cleanup_push, or rather
- # a function called by this macro, so we could check for that, but
- # who knows whether they'll stub that too in a future libc.) So
- # we'll look for -pthreads and -lpthread shortly thereafter.
+ # tests will erroneously succeed. (N.B.: The stubs are missing
+ # pthread_cleanup_push, or rather a function called by this macro,
+ # so we could check for that, but who knows whether they'll stub
+ # that too in a future libc.) So we'll check first for the
+ # standard Solaris way of linking pthreads (-mt -lpthread).
+
+ ax_pthread_flags="-mt,pthread pthread $ax_pthread_flags"
+ ;;
+esac
+
+# GCC generally uses -pthread, or -pthreads on some platforms (e.g. SPARC)
+
+if test "x$GCC" = "xyes"; then :
+ ax_pthread_flags="-pthread -pthreads $ax_pthread_flags"
+fi
+
+# The presence of a feature test macro requesting re-entrant function
+# definitions is, on some systems, a strong hint that pthreads support is
+# correctly enabled
+
+case $host_os in
+ darwin* | hpux* | linux* | osf* | solaris*)
+ ax_pthread_check_macro="_REENTRANT"
+ ;;
+
+ aix*)
+ ax_pthread_check_macro="_THREAD_SAFE"
+ ;;
- ax_pthread_flags="-mt,pthread -pthreads -pthread pthread $ax_pthread_flags"
+ *)
+ ax_pthread_check_macro="--"
;;
esac
+if test "x$ax_pthread_check_macro" = "x--"; then :
+ ax_pthread_check_cond=0
+else
+ ax_pthread_check_cond="!defined($ax_pthread_check_macro)"
+fi
-# Older versions of Clang only give a warning instead of an error for an
-# unrecognized option, unless we specify -Werror. (We throw in some extra
-# Clang warning flags for good measure.)
+# Are we compiling with Clang?
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking if compiler needs certain flags to reject unknown flags" >&5
-$as_echo_n "checking if compiler needs certain flags to reject unknown flags... " >&6; }
-if ${ax_cv_PTHREAD_REJECT_UNKNOWN+:} false; then :
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $CC is Clang" >&5
+$as_echo_n "checking whether $CC is Clang... " >&6; }
+if ${ax_cv_PTHREAD_CLANG+:} false; then :
$as_echo_n "(cached) " >&6
else
- ax_cv_PTHREAD_REJECT_UNKNOWN=unknown
- save_CFLAGS="$CFLAGS"
- ax_pthread_extra_flags="-Wunknown-warning-option -Wunused-command-line-argument"
- CFLAGS="$CFLAGS $ax_pthread_extra_flags -Wfoobaz -foobaz"
- cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+ ax_cv_PTHREAD_CLANG=no
+ # Note that Autoconf sets GCC=yes for Clang as well as GCC
+ if test "x$GCC" = "xyes"; then
+ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h. */
-int foo(void);
-int
-main ()
-{
-foo()
- ;
- return 0;
-}
+/* Note: Clang 2.7 lacks __clang_[a-z]+__ */
+# if defined(__clang__) && defined(__llvm__)
+ AX_PTHREAD_CC_IS_CLANG
+# endif
+
_ACEOF
-if ac_fn_c_try_compile "$LINENO"; then :
- ax_cv_PTHREAD_REJECT_UNKNOWN="-Werror $ax_pthread_extra_flags"
+if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
+ $EGREP "AX_PTHREAD_CC_IS_CLANG" >/dev/null 2>&1; then :
+ ax_cv_PTHREAD_CLANG=yes
+fi
+rm -f conftest*
+
+ fi
+
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ax_cv_PTHREAD_CLANG" >&5
+$as_echo "$ax_cv_PTHREAD_CLANG" >&6; }
+ax_pthread_clang="$ax_cv_PTHREAD_CLANG"
+
+ax_pthread_clang_warning=no
+
+# Clang needs special handling, because older versions handle the -pthread
+# option in a rather... idiosyncratic way
+
+if test "x$ax_pthread_clang" = "xyes"; then
+
+ # Clang takes -pthread; it has never supported any other flag
+
+ # (Note 1: This will need to be revisited if a system that Clang
+ # supports has POSIX threads in a separate library. This tends not
+ # to be the way of modern systems, but it's conceivable.)
+
+ # (Note 2: On some systems, notably Darwin, -pthread is not needed
+ # to get POSIX threads support; the API is always present and
+ # active. We could reasonably leave PTHREAD_CFLAGS empty. But
+ # -pthread does define _REENTRANT, and while the Darwin headers
+ # ignore this macro, third-party headers might not.)
+
+ PTHREAD_CFLAGS="-pthread"
+ PTHREAD_LIBS=
+
+ ax_pthread_ok=yes
+
+ # However, older versions of Clang make a point of warning the user
+ # that, in an invocation where only linking and no compilation is
+ # taking place, the -pthread option has no effect ("argument unused
+ # during compilation"). They expect -pthread to be passed in only
+ # when source code is being compiled.
+ #
+ # Problem is, this is at odds with the way Automake and most other
+ # C build frameworks function, which is that the same flags used in
+ # compilation (CFLAGS) are also used in linking. Many systems
+ # supported by AX_PTHREAD require exactly this for POSIX threads
+ # support, and in fact it is often not straightforward to specify a
+ # flag that is used only in the compilation phase and not in
+ # linking. Such a scenario is extremely rare in practice.
+ #
+ # Even though use of the -pthread flag in linking would only print
+ # a warning, this can be a nuisance for well-run software projects
+ # that build with -Werror. So if the active version of Clang has
+ # this misfeature, we search for an option to squash it.
+
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether Clang needs flag to prevent \"argument unused\" warning when linking with -pthread" >&5
+$as_echo_n "checking whether Clang needs flag to prevent \"argument unused\" warning when linking with -pthread... " >&6; }
+if ${ax_cv_PTHREAD_CLANG_NO_WARN_FLAG+:} false; then :
+ $as_echo_n "(cached) " >&6
else
- ax_cv_PTHREAD_REJECT_UNKNOWN=no
+ ax_cv_PTHREAD_CLANG_NO_WARN_FLAG=unknown
+ # Create an alternate version of $ac_link that compiles and
+ # links in two steps (.c -> .o, .o -> exe) instead of one
+ # (.c -> exe), because the warning occurs only in the second
+ # step
+ ax_pthread_save_ac_link="$ac_link"
+ ax_pthread_sed='s/conftest\.\$ac_ext/conftest.$ac_objext/g'
+ ax_pthread_link_step=`$as_echo "$ac_link" | sed "$ax_pthread_sed"`
+ ax_pthread_2step_ac_link="($ac_compile) && (echo ==== >&5) && ($ax_pthread_link_step)"
+ ax_pthread_save_CFLAGS="$CFLAGS"
+ for ax_pthread_try in '' -Qunused-arguments -Wno-unused-command-line-argument unknown; do
+ if test "x$ax_pthread_try" = "xunknown"; then :
+ break
fi
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
- CFLAGS="$save_CFLAGS"
+ CFLAGS="-Werror -Wunknown-warning-option $ax_pthread_try -pthread $ax_pthread_save_CFLAGS"
+ ac_link="$ax_pthread_save_ac_link"
+ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+int main(void){return 0;}
+_ACEOF
+if ac_fn_c_try_link "$LINENO"; then :
+ ac_link="$ax_pthread_2step_ac_link"
+ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+int main(void){return 0;}
+_ACEOF
+if ac_fn_c_try_link "$LINENO"; then :
+ break
+fi
+rm -f core conftest.err conftest.$ac_objext \
+ conftest$ac_exeext conftest.$ac_ext
fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ax_cv_PTHREAD_REJECT_UNKNOWN" >&5
-$as_echo "$ax_cv_PTHREAD_REJECT_UNKNOWN" >&6; }
-ax_pthread_extra_flags=
-if test "x$ax_cv_PTHREAD_REJECT_UNKNOWN" != "xno"; then :
- ax_pthread_extra_flags="$ax_cv_PTHREAD_REJECT_UNKNOWN"
+rm -f core conftest.err conftest.$ac_objext \
+ conftest$ac_exeext conftest.$ac_ext
+ done
+ ac_link="$ax_pthread_save_ac_link"
+ CFLAGS="$ax_pthread_save_CFLAGS"
+ if test "x$ax_pthread_try" = "x"; then :
+ ax_pthread_try=no
+fi
+ ax_cv_PTHREAD_CLANG_NO_WARN_FLAG="$ax_pthread_try"
+
fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ax_cv_PTHREAD_CLANG_NO_WARN_FLAG" >&5
+$as_echo "$ax_cv_PTHREAD_CLANG_NO_WARN_FLAG" >&6; }
-if test x"$ax_pthread_ok" = xno; then
-for flag in $ax_pthread_flags; do
+ case "$ax_cv_PTHREAD_CLANG_NO_WARN_FLAG" in
+ no | unknown) ;;
+ *) PTHREAD_CFLAGS="$ax_cv_PTHREAD_CLANG_NO_WARN_FLAG $PTHREAD_CFLAGS" ;;
+ esac
+
+fi # $ax_pthread_clang = yes
- case $flag in
+if test "x$ax_pthread_ok" = "xno"; then
+for ax_pthread_try_flag in $ax_pthread_flags; do
+
+ case $ax_pthread_try_flag in
none)
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether pthreads work without any flags" >&5
$as_echo_n "checking whether pthreads work without any flags... " >&6; }
;;
-*)
- { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether pthreads work with $flag" >&5
-$as_echo_n "checking whether pthreads work with $flag... " >&6; }
- PTHREAD_CFLAGS="$flag"
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether pthreads work with $ax_pthread_try_flag" >&5
+$as_echo_n "checking whether pthreads work with $ax_pthread_try_flag... " >&6; }
+ PTHREAD_CFLAGS="$ax_pthread_try_flag"
;;
pthread-config)
fi
- if test x"$ax_pthread_config" = xno; then continue; fi
+ if test "x$ax_pthread_config" = "xno"; then :
+ continue
+fi
PTHREAD_CFLAGS="`pthread-config --cflags`"
PTHREAD_LIBS="`pthread-config --ldflags` `pthread-config --libs`"
;;
*)
- { $as_echo "$as_me:${as_lineno-$LINENO}: checking for the pthreads library -l$flag" >&5
-$as_echo_n "checking for the pthreads library -l$flag... " >&6; }
- PTHREAD_LIBS="-l$flag"
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking for the pthreads library -l$ax_pthread_try_flag" >&5
+$as_echo_n "checking for the pthreads library -l$ax_pthread_try_flag... " >&6; }
+ PTHREAD_LIBS="-l$ax_pthread_try_flag"
;;
esac
- save_LIBS="$LIBS"
- save_CFLAGS="$CFLAGS"
+ ax_pthread_save_CFLAGS="$CFLAGS"
+ ax_pthread_save_LIBS="$LIBS"
+ CFLAGS="$CFLAGS $PTHREAD_CFLAGS"
LIBS="$PTHREAD_LIBS $LIBS"
- CFLAGS="$CFLAGS $PTHREAD_CFLAGS $ax_pthread_extra_flags"
# Check for various functions. We must include pthread.h,
# since some functions may be macros. (On the Sequent, we
# pthread_cleanup_push because it is one of the few pthread
# functions on Solaris that doesn't have a non-functional libc stub.
# We try pthread_create on general principles.
+
cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h. */
#include <pthread.h>
+# if $ax_pthread_check_cond
+# error "$ax_pthread_check_macro must be defined"
+# endif
static void routine(void *a) { a = 0; }
static void *start_routine(void *a) { return a; }
int
rm -f core conftest.err conftest.$ac_objext \
conftest$ac_exeext conftest.$ac_ext
- LIBS="$save_LIBS"
- CFLAGS="$save_CFLAGS"
+ CFLAGS="$ax_pthread_save_CFLAGS"
+ LIBS="$ax_pthread_save_LIBS"
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ax_pthread_ok" >&5
$as_echo "$ax_pthread_ok" >&6; }
- if test "x$ax_pthread_ok" = xyes; then
- break;
- fi
+ if test "x$ax_pthread_ok" = "xyes"; then :
+ break
+fi
PTHREAD_LIBS=""
PTHREAD_CFLAGS=""
fi
# Various other checks:
-if test "x$ax_pthread_ok" = xyes; then
- save_LIBS="$LIBS"
- LIBS="$PTHREAD_LIBS $LIBS"
- save_CFLAGS="$CFLAGS"
+if test "x$ax_pthread_ok" = "xyes"; then
+ ax_pthread_save_CFLAGS="$CFLAGS"
+ ax_pthread_save_LIBS="$LIBS"
CFLAGS="$CFLAGS $PTHREAD_CFLAGS"
+ LIBS="$PTHREAD_LIBS $LIBS"
# Detect AIX lossage: JOINABLE attribute is called UNDETACHED.
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for joinable pthread attribute" >&5
$as_echo_n "(cached) " >&6
else
ax_cv_PTHREAD_JOINABLE_ATTR=unknown
- for attr in PTHREAD_CREATE_JOINABLE PTHREAD_CREATE_UNDETACHED; do
+ for ax_pthread_attr in PTHREAD_CREATE_JOINABLE PTHREAD_CREATE_UNDETACHED; do
cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h. */
#include <pthread.h>
int
main ()
{
-int attr = $attr; return attr /* ; */
+int attr = $ax_pthread_attr; return attr /* ; */
;
return 0;
}
_ACEOF
if ac_fn_c_try_link "$LINENO"; then :
- ax_cv_PTHREAD_JOINABLE_ATTR=$attr; break
+ ax_cv_PTHREAD_JOINABLE_ATTR=$ax_pthread_attr; break
fi
rm -f core conftest.err conftest.$ac_objext \
conftest$ac_exeext conftest.$ac_ext
fi
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ax_cv_PTHREAD_JOINABLE_ATTR" >&5
$as_echo "$ax_cv_PTHREAD_JOINABLE_ATTR" >&6; }
- if test "$ax_cv_PTHREAD_JOINABLE_ATTR" != unknown && \
- test "$ax_cv_PTHREAD_JOINABLE_ATTR" != PTHREAD_CREATE_JOINABLE; then :
+ if test "x$ax_cv_PTHREAD_JOINABLE_ATTR" != "xunknown" && \
+ test "x$ax_cv_PTHREAD_JOINABLE_ATTR" != "xPTHREAD_CREATE_JOINABLE" && \
+ test "x$ax_pthread_joinable_attr_defined" != "xyes"; then :
cat >>confdefs.h <<_ACEOF
#define PTHREAD_CREATE_JOINABLE $ax_cv_PTHREAD_JOINABLE_ATTR
_ACEOF
+ ax_pthread_joinable_attr_defined=yes
+
fi
- { $as_echo "$as_me:${as_lineno-$LINENO}: checking if more special flags are required for pthreads" >&5
-$as_echo_n "checking if more special flags are required for pthreads... " >&6; }
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether more special flags are required for pthreads" >&5
+$as_echo_n "checking whether more special flags are required for pthreads... " >&6; }
if ${ax_cv_PTHREAD_SPECIAL_FLAGS+:} false; then :
$as_echo_n "(cached) " >&6
else
ax_cv_PTHREAD_SPECIAL_FLAGS=no
- ax_pthread_special_flags_added=no
- cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h. */
-
-# if !defined(_REENTRANT) && !defined(_THREAD_SAFE)
- AX_PTHREAD_NEED_SPECIAL_FLAG
-# endif
-
-_ACEOF
-if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
- $EGREP "AX_PTHREAD_NEED_SPECIAL_FLAG" >/dev/null 2>&1; then :
- case $host_os in
- aix* | freebsd*)
- ax_cv_PTHREAD_SPECIAL_FLAGS="-D_THREAD_SAFE"
- ;;
- darwin* | hpux* | osf* | solaris*)
- ax_cv_PTHREAD_SPECIAL_FLAGS="-D_REENTRANT"
- ;;
- esac
-
-fi
-rm -f conftest*
-
+ case $host_os in
+ solaris*)
+ ax_cv_PTHREAD_SPECIAL_FLAGS="-D_POSIX_PTHREAD_SEMANTICS"
+ ;;
+ esac
fi
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ax_cv_PTHREAD_SPECIAL_FLAGS" >&5
fi
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ax_cv_PTHREAD_PRIO_INHERIT" >&5
$as_echo "$ax_cv_PTHREAD_PRIO_INHERIT" >&6; }
- if test "x$ax_cv_PTHREAD_PRIO_INHERIT" = "xyes"; then :
+ if test "x$ax_cv_PTHREAD_PRIO_INHERIT" = "xyes" && \
+ test "x$ax_pthread_prio_inherit_defined" != "xyes"; then :
$as_echo "#define HAVE_PTHREAD_PRIO_INHERIT 1" >>confdefs.h
+ ax_pthread_prio_inherit_defined=yes
+
fi
- LIBS="$save_LIBS"
- CFLAGS="$save_CFLAGS"
+ CFLAGS="$ax_pthread_save_CFLAGS"
+ LIBS="$ax_pthread_save_LIBS"
# More AIX lossage: compile with *_r variant
- if test "x$GCC" != xyes; then
+ if test "x$GCC" != "xyes"; then
case $host_os in
aix*)
case "x/$CC" in #(
x*/c89|x*/c89_128|x*/c99|x*/c99_128|x*/cc|x*/cc128|x*/xlc|x*/xlc_v6|x*/xlc128|x*/xlc128_v6) :
#handle absolute path differently from PATH based program lookup
- case "x$CC" in #(
+ case "x$CC" in #(
x/*) :
if as_fn_executable_p ${CC}_r; then :
PTHREAD_CC="${CC}_r"
# Finally, execute ACTION-IF-FOUND/ACTION-IF-NOT-FOUND:
-if test x"$ax_pthread_ok" = xyes; then
+if test "x$ax_pthread_ok" = "xyes"; then
$as_echo "#define HAVE_PTHREAD 1" >>confdefs.h
int
main ()
{
-#ifndef _AIX
-int strerror_r(int, char *, size_t);
-#else
-/* Older AIX has 'int' for the third argument so we don't test the args. */
-int strerror_r();
-#endif
+char buf[100];
+ switch (strerror_r(1, buf, sizeof(buf)))
+ { case 0: break; default: break; }
+
;
return 0;
}
fi
-for ac_header in atomic.h crypt.h fp_class.h getopt.h ieeefp.h ifaddrs.h langinfo.h mbarrier.h poll.h sys/epoll.h sys/ipc.h sys/prctl.h sys/procctl.h sys/pstat.h sys/resource.h sys/select.h sys/sem.h sys/shm.h sys/sockio.h sys/tas.h sys/un.h termios.h ucred.h utime.h wchar.h wctype.h
+for ac_header in atomic.h copyfile.h crypt.h fp_class.h getopt.h ieeefp.h ifaddrs.h langinfo.h mbarrier.h poll.h sys/epoll.h sys/ipc.h sys/prctl.h sys/procctl.h sys/pstat.h sys/resource.h sys/select.h sys/sem.h sys/shm.h sys/sockio.h sys/tas.h sys/un.h termios.h ucred.h utime.h wchar.h wctype.h
do :
as_ac_Header=`$as_echo "ac_cv_header_$ac_header" | $as_tr_sh`
ac_fn_c_check_header_mongrel "$LINENO" "$ac_header" "$as_ac_Header" "$ac_includes_default"
if ${pgac_cv_printf_archetype+:} false; then :
$as_echo_n "(cached) " >&6
else
- ac_save_c_werror_flag=$ac_c_werror_flag
+ pgac_cv_printf_archetype=gnu_printf
+ac_save_c_werror_flag=$ac_c_werror_flag
ac_c_werror_flag=yes
cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h. */
-extern int
-pgac_write(int ignore, const char *fmt,...)
-__attribute__((format(gnu_printf, 2, 3)));
+extern void pgac_write(int ignore, const char *fmt,...)
+__attribute__((format($pgac_cv_printf_archetype, 2, 3)));
int
main ()
{
+pgac_write(0, "error %s: %m", "foo");
+ ;
+ return 0;
+}
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+ ac_archetype_ok=yes
+else
+ ac_archetype_ok=no
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+ac_c_werror_flag=$ac_save_c_werror_flag
+if [ "$ac_archetype_ok" = no ]; then
+ pgac_cv_printf_archetype=__syslog__
+ ac_save_c_werror_flag=$ac_c_werror_flag
+ac_c_werror_flag=yes
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+extern void pgac_write(int ignore, const char *fmt,...)
+__attribute__((format($pgac_cv_printf_archetype, 2, 3)));
+int
+main ()
+{
+pgac_write(0, "error %s: %m", "foo");
;
return 0;
}
_ACEOF
if ac_fn_c_try_compile "$LINENO"; then :
- pgac_cv_printf_archetype=gnu_printf
+ ac_archetype_ok=yes
else
- pgac_cv_printf_archetype=printf
+ ac_archetype_ok=no
fi
rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
ac_c_werror_flag=$ac_save_c_werror_flag
+
+ if [ "$ac_archetype_ok" = no ]; then
+ pgac_cv_printf_archetype=printf
+ fi
+fi
fi
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $pgac_cv_printf_archetype" >&5
$as_echo "$pgac_cv_printf_archetype" >&6; }
$as_echo "#define HAVE__BUILTIN_TYPES_COMPATIBLE_P 1" >>confdefs.h
-fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for __builtin_bswap16" >&5
-$as_echo_n "checking for __builtin_bswap16... " >&6; }
-if ${pgac_cv__builtin_bswap16+:} false; then :
- $as_echo_n "(cached) " >&6
-else
- cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h. */
-static unsigned long int x = __builtin_bswap16(0xaabb);
-
-_ACEOF
-if ac_fn_c_try_compile "$LINENO"; then :
- pgac_cv__builtin_bswap16=yes
-else
- pgac_cv__builtin_bswap16=no
-fi
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
-fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $pgac_cv__builtin_bswap16" >&5
-$as_echo "$pgac_cv__builtin_bswap16" >&6; }
-if test x"$pgac_cv__builtin_bswap16" = xyes ; then
-
-$as_echo "#define HAVE__BUILTIN_BSWAP16 1" >>confdefs.h
-
-fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for __builtin_bswap32" >&5
-$as_echo_n "checking for __builtin_bswap32... " >&6; }
-if ${pgac_cv__builtin_bswap32+:} false; then :
- $as_echo_n "(cached) " >&6
-else
- cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h. */
-static unsigned long int x = __builtin_bswap32(0xaabbccdd);
-
-_ACEOF
-if ac_fn_c_try_compile "$LINENO"; then :
- pgac_cv__builtin_bswap32=yes
-else
- pgac_cv__builtin_bswap32=no
-fi
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
-fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $pgac_cv__builtin_bswap32" >&5
-$as_echo "$pgac_cv__builtin_bswap32" >&6; }
-if test x"$pgac_cv__builtin_bswap32" = xyes ; then
-
-$as_echo "#define HAVE__BUILTIN_BSWAP32 1" >>confdefs.h
-
-fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for __builtin_bswap64" >&5
-$as_echo_n "checking for __builtin_bswap64... " >&6; }
-if ${pgac_cv__builtin_bswap64+:} false; then :
- $as_echo_n "(cached) " >&6
-else
- cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h. */
-static unsigned long int x = __builtin_bswap64(0xaabbccddeeff0011);
-
-_ACEOF
-if ac_fn_c_try_compile "$LINENO"; then :
- pgac_cv__builtin_bswap64=yes
-else
- pgac_cv__builtin_bswap64=no
-fi
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
-fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $pgac_cv__builtin_bswap64" >&5
-$as_echo "$pgac_cv__builtin_bswap64" >&6; }
-if test x"$pgac_cv__builtin_bswap64" = xyes ; then
-
-$as_echo "#define HAVE__BUILTIN_BSWAP64 1" >>confdefs.h
-
fi
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for __builtin_constant_p" >&5
$as_echo_n "checking for __builtin_constant_p... " >&6; }
fi
-# On PPC, check if assembler supports LWARX instruction's mutex hint bit
case $host_cpu in
+ x86_64)
+ # On x86_64, check if we can compile a popcntq instruction
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether assembler supports x86_64 popcntq" >&5
+$as_echo_n "checking whether assembler supports x86_64 popcntq... " >&6; }
+if ${pgac_cv_have_x86_64_popcntq+:} false; then :
+ $as_echo_n "(cached) " >&6
+else
+ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+
+int
+main ()
+{
+long long x = 1; long long r;
+ __asm__ __volatile__ (" popcntq %1,%0\n" : "=q"(r) : "rm"(x));
+ ;
+ return 0;
+}
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+ pgac_cv_have_x86_64_popcntq=yes
+else
+ pgac_cv_have_x86_64_popcntq=no
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $pgac_cv_have_x86_64_popcntq" >&5
+$as_echo "$pgac_cv_have_x86_64_popcntq" >&6; }
+ if test x"$pgac_cv_have_x86_64_popcntq" = xyes ; then
+
+$as_echo "#define HAVE_X86_64_POPCNTQ 1" >>confdefs.h
+
+ fi
+ ;;
ppc*|powerpc*)
+ # On PPC, check if assembler supports LWARX instruction's mutex hint bit
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether assembler supports lwarx hint bit" >&5
$as_echo_n "checking whether assembler supports lwarx hint bit... " >&6; }
- cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+if ${pgac_cv_have_ppc_mutex_hint+:} false; then :
+ $as_echo_n "(cached) " >&6
+else
+ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h. */
int
pgac_cv_have_ppc_mutex_hint=no
fi
rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
- { $as_echo "$as_me:${as_lineno-$LINENO}: result: $pgac_cv_have_ppc_mutex_hint" >&5
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $pgac_cv_have_ppc_mutex_hint" >&5
$as_echo "$pgac_cv_have_ppc_mutex_hint" >&6; }
if test x"$pgac_cv_have_ppc_mutex_hint" = xyes ; then
fi
-# Check for largefile support (must be after AC_SYS_LARGEFILE)
# The cast to long int works around a bug in the HP C Compiler
# version HP92453-01 B.11.11.23709.GP, which incorrectly rejects
# declarations like `int a3[[(sizeof (unsigned char)) >= 0]];'.
if ${ac_cv_func_accept_arg3+:} false; then :
$as_echo_n "(cached) " >&6
else
- for ac_cv_func_accept_return in 'int' 'unsigned int PASCAL' 'SOCKET WSAAPI'; do
- for ac_cv_func_accept_arg1 in 'int' 'unsigned int' 'SOCKET'; do
+ for ac_cv_func_accept_return in 'int' 'SOCKET WSAAPI' 'unsigned int PASCAL'; do
+ for ac_cv_func_accept_arg1 in 'int' 'SOCKET' 'unsigned int'; do
for ac_cv_func_accept_arg2 in 'struct sockaddr *' 'const struct sockaddr *' 'void *'; do
for ac_cv_func_accept_arg3 in 'int' 'size_t' 'socklen_t' 'unsigned int' 'void'; do
cat confdefs.h - <<_ACEOF >conftest.$ac_ext
LIBS_including_readline="$LIBS"
LIBS=`echo "$LIBS" | sed -e 's/-ledit//g' -e 's/-lreadline//g'`
-for ac_func in cbrt clock_gettime fdatasync getifaddrs getpeerucred getrlimit mbstowcs_l memmove poll posix_fallocate pstat pthread_is_threaded_np readlink setproctitle setproctitle_fast setsid shm_open symlink sync_file_range utime utimes wcstombs_l
+for ac_func in cbrt clock_gettime copyfile fdatasync getifaddrs getpeerucred getrlimit mbstowcs_l memmove poll posix_fallocate ppoll pstat pthread_is_threaded_np readlink setproctitle setproctitle_fast setsid shm_open strchrnul strsignal symlink sync_file_range uselocale utime utimes wcstombs_l
do :
as_ac_var=`$as_echo "ac_cv_func_$ac_func" | $as_tr_sh`
ac_fn_c_check_func "$LINENO" "$ac_func" "$as_ac_var"
done
+# These typically are compiler builtins, for which AC_CHECK_FUNCS fails.
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for __builtin_bswap16" >&5
+$as_echo_n "checking for __builtin_bswap16... " >&6; }
+if ${pgac_cv__builtin_bswap16+:} false; then :
+ $as_echo_n "(cached) " >&6
+else
+ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+
+int
+call__builtin_bswap16(int x)
+{
+ return __builtin_bswap16(x);
+}
+int
+main ()
+{
+
+ ;
+ return 0;
+}
+_ACEOF
+if ac_fn_c_try_link "$LINENO"; then :
+ pgac_cv__builtin_bswap16=yes
+else
+ pgac_cv__builtin_bswap16=no
+fi
+rm -f core conftest.err conftest.$ac_objext \
+ conftest$ac_exeext conftest.$ac_ext
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $pgac_cv__builtin_bswap16" >&5
+$as_echo "$pgac_cv__builtin_bswap16" >&6; }
+if test x"${pgac_cv__builtin_bswap16}" = xyes ; then
+
+cat >>confdefs.h <<_ACEOF
+#define HAVE__BUILTIN_BSWAP16 1
+_ACEOF
+
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for __builtin_bswap32" >&5
+$as_echo_n "checking for __builtin_bswap32... " >&6; }
+if ${pgac_cv__builtin_bswap32+:} false; then :
+ $as_echo_n "(cached) " >&6
+else
+ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+
+int
+call__builtin_bswap32(int x)
+{
+ return __builtin_bswap32(x);
+}
+int
+main ()
+{
+
+ ;
+ return 0;
+}
+_ACEOF
+if ac_fn_c_try_link "$LINENO"; then :
+ pgac_cv__builtin_bswap32=yes
+else
+ pgac_cv__builtin_bswap32=no
+fi
+rm -f core conftest.err conftest.$ac_objext \
+ conftest$ac_exeext conftest.$ac_ext
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $pgac_cv__builtin_bswap32" >&5
+$as_echo "$pgac_cv__builtin_bswap32" >&6; }
+if test x"${pgac_cv__builtin_bswap32}" = xyes ; then
+
+cat >>confdefs.h <<_ACEOF
+#define HAVE__BUILTIN_BSWAP32 1
+_ACEOF
+
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for __builtin_bswap64" >&5
+$as_echo_n "checking for __builtin_bswap64... " >&6; }
+if ${pgac_cv__builtin_bswap64+:} false; then :
+ $as_echo_n "(cached) " >&6
+else
+ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+
+int
+call__builtin_bswap64(long int x)
+{
+ return __builtin_bswap64(x);
+}
+int
+main ()
+{
+
+ ;
+ return 0;
+}
+_ACEOF
+if ac_fn_c_try_link "$LINENO"; then :
+ pgac_cv__builtin_bswap64=yes
+else
+ pgac_cv__builtin_bswap64=no
+fi
+rm -f core conftest.err conftest.$ac_objext \
+ conftest$ac_exeext conftest.$ac_ext
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $pgac_cv__builtin_bswap64" >&5
+$as_echo "$pgac_cv__builtin_bswap64" >&6; }
+if test x"${pgac_cv__builtin_bswap64}" = xyes ; then
+
+cat >>confdefs.h <<_ACEOF
+#define HAVE__BUILTIN_BSWAP64 1
+_ACEOF
+
+fi
+# We assume that we needn't test all widths of these explicitly:
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for __builtin_clz" >&5
+$as_echo_n "checking for __builtin_clz... " >&6; }
+if ${pgac_cv__builtin_clz+:} false; then :
+ $as_echo_n "(cached) " >&6
+else
+ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+
+int
+call__builtin_clz(unsigned int x)
+{
+ return __builtin_clz(x);
+}
+int
+main ()
+{
+
+ ;
+ return 0;
+}
+_ACEOF
+if ac_fn_c_try_link "$LINENO"; then :
+ pgac_cv__builtin_clz=yes
+else
+ pgac_cv__builtin_clz=no
+fi
+rm -f core conftest.err conftest.$ac_objext \
+ conftest$ac_exeext conftest.$ac_ext
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $pgac_cv__builtin_clz" >&5
+$as_echo "$pgac_cv__builtin_clz" >&6; }
+if test x"${pgac_cv__builtin_clz}" = xyes ; then
+
+cat >>confdefs.h <<_ACEOF
+#define HAVE__BUILTIN_CLZ 1
+_ACEOF
+
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for __builtin_ctz" >&5
+$as_echo_n "checking for __builtin_ctz... " >&6; }
+if ${pgac_cv__builtin_ctz+:} false; then :
+ $as_echo_n "(cached) " >&6
+else
+ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+
+int
+call__builtin_ctz(unsigned int x)
+{
+ return __builtin_ctz(x);
+}
+int
+main ()
+{
+
+ ;
+ return 0;
+}
+_ACEOF
+if ac_fn_c_try_link "$LINENO"; then :
+ pgac_cv__builtin_ctz=yes
+else
+ pgac_cv__builtin_ctz=no
+fi
+rm -f core conftest.err conftest.$ac_objext \
+ conftest$ac_exeext conftest.$ac_ext
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $pgac_cv__builtin_ctz" >&5
+$as_echo "$pgac_cv__builtin_ctz" >&6; }
+if test x"${pgac_cv__builtin_ctz}" = xyes ; then
+
+cat >>confdefs.h <<_ACEOF
+#define HAVE__BUILTIN_CTZ 1
+_ACEOF
+
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for __builtin_popcount" >&5
+$as_echo_n "checking for __builtin_popcount... " >&6; }
+if ${pgac_cv__builtin_popcount+:} false; then :
+ $as_echo_n "(cached) " >&6
+else
+ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+
+int
+call__builtin_popcount(unsigned int x)
+{
+ return __builtin_popcount(x);
+}
+int
+main ()
+{
+
+ ;
+ return 0;
+}
+_ACEOF
+if ac_fn_c_try_link "$LINENO"; then :
+ pgac_cv__builtin_popcount=yes
+else
+ pgac_cv__builtin_popcount=no
+fi
+rm -f core conftest.err conftest.$ac_objext \
+ conftest$ac_exeext conftest.$ac_ext
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $pgac_cv__builtin_popcount" >&5
+$as_echo "$pgac_cv__builtin_popcount" >&6; }
+if test x"${pgac_cv__builtin_popcount}" = xyes ; then
+
+cat >>confdefs.h <<_ACEOF
+#define HAVE__BUILTIN_POPCOUNT 1
+_ACEOF
+
+fi
+
ac_fn_c_check_func "$LINENO" "fseeko" "ac_cv_func_fseeko"
if test "x$ac_cv_func_fseeko" = xyes; then :
$as_echo "#define HAVE_FSEEKO 1" >>confdefs.h
# posix_fadvise() is a no-op on Solaris, so don't incur function overhead
# by calling it, 2009-04-02
# http://src.opensolaris.org/source/xref/onnv/onnv-gate/usr/src/lib/libc/port/gen/posix_fadvise.c
-if test "$PORTNAME" != "solaris"; then
+# The Clang compiler raises a warning for an undeclared identifier that matches
+# a compiler builtin function. All extant Clang versions are affected, as of
+# Clang 3.6.0. Test a builtin known to every version. This problem affects the
+# C and Objective C languages, but Clang does report an error under C++ and
+# Objective C++.
+#
+# Passing -fno-builtin to the compiler would suppress this problem. That
+# strategy would have the advantage of being insensitive to stray warnings, but
+# it would make tests less realistic.
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking how $CC reports undeclared, standard C functions" >&5
+$as_echo_n "checking how $CC reports undeclared, standard C functions... " >&6; }
+if ${ac_cv_c_decl_report+:} false; then :
+ $as_echo_n "(cached) " >&6
+else
+ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+
+int
+main ()
+{
+(void) strchr;
+ ;
+ return 0;
+}
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+ if test -s conftest.err; then :
+ # For AC_CHECK_DECL to react to warnings, the compiler must be silent on
+ # valid AC_CHECK_DECL input. No library function is consistently available
+ # on freestanding implementations, so test against a dummy declaration.
+ # Include always-available headers on the off chance that they somehow
+ # elicit warnings.
+ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+#include <float.h>
+#include <limits.h>
+#include <stdarg.h>
+#include <stddef.h>
+extern void ac_decl (int, char *);
+int
+main ()
+{
+#ifdef __cplusplus
+ (void) ac_decl ((int) 0, (char *) 0);
+ (void) ac_decl;
+#else
+ (void) ac_decl;
+#endif
+
+ ;
+ return 0;
+}
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+ if test -s conftest.err; then :
+ { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
+$as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
+as_fn_error $? "cannot detect from compiler exit status or warnings
+See \`config.log' for more details" "$LINENO" 5; }
+else
+ ac_cv_c_decl_report=warning
+fi
+else
+ { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
+$as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
+as_fn_error $? "cannot compile a simple declaration test
+See \`config.log' for more details" "$LINENO" 5; }
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+else
+ { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
+$as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
+as_fn_error $? "compiler does not report undeclared identifiers
+See \`config.log' for more details" "$LINENO" 5; }
+fi
+else
+ ac_cv_c_decl_report=error
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_c_decl_report" >&5
+$as_echo "$ac_cv_c_decl_report" >&6; }
+
+case $ac_cv_c_decl_report in
+ warning) ac_c_decl_warn_flag=yes ;;
+ *) ac_c_decl_warn_flag= ;;
+esac
+
+if test "$PORTNAME" != "solaris"; then :
+
for ac_func in posix_fadvise
do :
ac_fn_c_check_func "$LINENO" "posix_fadvise" "ac_cv_func_posix_fadvise"
#define HAVE_DECL_POSIX_FADVISE $ac_have_decl
_ACEOF
-fi
+
+fi # fi
ac_fn_c_check_decl "$LINENO" "fdatasync" "ac_cv_have_decl_fdatasync" "#include <unistd.h>
"
_ACEOF
-HAVE_IPV6=no
ac_fn_c_check_type "$LINENO" "struct sockaddr_in6" "ac_cv_type_struct_sockaddr_in6" "$ac_includes_default
#include <netinet/in.h>
"
$as_echo "#define HAVE_IPV6 1" >>confdefs.h
- HAVE_IPV6=yes
fi
-
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for PS_STRINGS" >&5
$as_echo_n "checking for PS_STRINGS... " >&6; }
if ${pgac_cv_var_PS_STRINGS+:} false; then :
#include <sys/exec.h>
int
-main ()
-{
-PS_STRINGS->ps_nargvstr = 1;
-PS_STRINGS->ps_argvstr = "foo";
- ;
- return 0;
-}
-_ACEOF
-if ac_fn_c_try_link "$LINENO"; then :
- pgac_cv_var_PS_STRINGS=yes
-else
- pgac_cv_var_PS_STRINGS=no
-fi
-rm -f core conftest.err conftest.$ac_objext \
- conftest$ac_exeext conftest.$ac_ext
-fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $pgac_cv_var_PS_STRINGS" >&5
-$as_echo "$pgac_cv_var_PS_STRINGS" >&6; }
-if test "$pgac_cv_var_PS_STRINGS" = yes ; then
-
-$as_echo "#define HAVE_PS_STRINGS 1" >>confdefs.h
-
-fi
-
-
-# We use our snprintf.c emulation if either snprintf() or vsnprintf()
-# is missing. Yes, there are machines that have only one. We may
-# also decide to use snprintf.c if snprintf() is present but does not
-# have all the features we need --- see below.
-
-if test "$PORTNAME" = "win32"; then
- # Win32 gets snprintf.c built unconditionally.
- #
- # To properly translate all NLS languages strings, we must support the
- # *printf() %$ format, which allows *printf() arguments to be selected
- # by position in the translated string.
- #
- # libintl versions < 0.13 use the native *printf() functions, and Win32
- # *printf() doesn't understand %$, so we must use our /port versions,
- # which do understand %$. libintl versions >= 0.13 include their own
- # *printf versions on Win32. The libintl 0.13 release note text is:
- #
- # C format strings with positions, as they arise when a translator
- # needs to reorder a sentence, are now supported on all platforms.
- # On those few platforms (NetBSD and Woe32) for which the native
- # printf()/fprintf()/... functions don't support such format
- # strings, replacements are provided through <libintl.h>.
- #
- # We could use libintl >= 0.13's *printf() if we were sure that we had
- # a libintl >= 0.13 at runtime, but seeing that there is no clean way
- # to guarantee that, it is best to just use our own, so we are sure to
- # get %$ support. In include/port.h we disable the *printf() macros
- # that might have been defined by libintl.
- #
- # We do this unconditionally whether NLS is used or not so we are sure
- # that all Win32 libraries and binaries behave the same.
- pgac_need_repl_snprintf=yes
-else
- pgac_need_repl_snprintf=no
- for ac_func in snprintf
-do :
- ac_fn_c_check_func "$LINENO" "snprintf" "ac_cv_func_snprintf"
-if test "x$ac_cv_func_snprintf" = xyes; then :
- cat >>confdefs.h <<_ACEOF
-#define HAVE_SNPRINTF 1
-_ACEOF
-
-else
- pgac_need_repl_snprintf=yes
-fi
-done
-
- for ac_func in vsnprintf
-do :
- ac_fn_c_check_func "$LINENO" "vsnprintf" "ac_cv_func_vsnprintf"
-if test "x$ac_cv_func_vsnprintf" = xyes; then :
- cat >>confdefs.h <<_ACEOF
-#define HAVE_VSNPRINTF 1
-_ACEOF
-
-else
- pgac_need_repl_snprintf=yes
-fi
-done
-
-fi
-
-
-# Check whether <stdio.h> declares snprintf() and vsnprintf(); if not,
-# include/c.h will provide declarations. Note this is a separate test
-# from whether the functions exist in the C library --- there are
-# systems that have the functions but don't bother to declare them :-(
-
-ac_fn_c_check_decl "$LINENO" "snprintf" "ac_cv_have_decl_snprintf" "$ac_includes_default"
-if test "x$ac_cv_have_decl_snprintf" = xyes; then :
- ac_have_decl=1
-else
- ac_have_decl=0
-fi
-
-cat >>confdefs.h <<_ACEOF
-#define HAVE_DECL_SNPRINTF $ac_have_decl
+main ()
+{
+PS_STRINGS->ps_nargvstr = 1;
+PS_STRINGS->ps_argvstr = "foo";
+ ;
+ return 0;
+}
_ACEOF
-ac_fn_c_check_decl "$LINENO" "vsnprintf" "ac_cv_have_decl_vsnprintf" "$ac_includes_default"
-if test "x$ac_cv_have_decl_vsnprintf" = xyes; then :
- ac_have_decl=1
+if ac_fn_c_try_link "$LINENO"; then :
+ pgac_cv_var_PS_STRINGS=yes
else
- ac_have_decl=0
+ pgac_cv_var_PS_STRINGS=no
fi
+rm -f core conftest.err conftest.$ac_objext \
+ conftest$ac_exeext conftest.$ac_ext
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $pgac_cv_var_PS_STRINGS" >&5
+$as_echo "$pgac_cv_var_PS_STRINGS" >&6; }
+if test "$pgac_cv_var_PS_STRINGS" = yes ; then
-cat >>confdefs.h <<_ACEOF
-#define HAVE_DECL_VSNPRINTF $ac_have_decl
-_ACEOF
+$as_echo "#define HAVE_PS_STRINGS 1" >>confdefs.h
+fi
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for isinf" >&5
fi
+ac_fn_c_check_func "$LINENO" "pread" "ac_cv_func_pread"
+if test "x$ac_cv_func_pread" = xyes; then :
+ $as_echo "#define HAVE_PREAD 1" >>confdefs.h
+
+else
+ case " $LIBOBJS " in
+ *" pread.$ac_objext "* ) ;;
+ *) LIBOBJS="$LIBOBJS pread.$ac_objext"
+ ;;
+esac
+
+fi
+
+ac_fn_c_check_func "$LINENO" "pwrite" "ac_cv_func_pwrite"
+if test "x$ac_cv_func_pwrite" = xyes; then :
+ $as_echo "#define HAVE_PWRITE 1" >>confdefs.h
+
+else
+ case " $LIBOBJS " in
+ *" pwrite.$ac_objext "* ) ;;
+ *) LIBOBJS="$LIBOBJS pwrite.$ac_objext"
+ ;;
+esac
+
+fi
+
ac_fn_c_check_func "$LINENO" "random" "ac_cv_func_random"
if test "x$ac_cv_func_random" = xyes; then :
$as_echo "#define HAVE_RANDOM 1" >>confdefs.h
fi
-ac_fn_c_check_func "$LINENO" "strerror" "ac_cv_func_strerror"
-if test "x$ac_cv_func_strerror" = xyes; then :
- $as_echo "#define HAVE_STRERROR 1" >>confdefs.h
-
-else
- case " $LIBOBJS " in
- *" strerror.$ac_objext "* ) ;;
- *) LIBOBJS="$LIBOBJS strerror.$ac_objext"
- ;;
-esac
-
-fi
-
ac_fn_c_check_func "$LINENO" "strlcat" "ac_cv_func_strlcat"
if test "x$ac_cv_func_strlcat" = xyes; then :
$as_echo "#define HAVE_STRLCAT 1" >>confdefs.h
fi
+ac_fn_c_check_func "$LINENO" "strtof" "ac_cv_func_strtof"
+if test "x$ac_cv_func_strtof" = xyes; then :
+ $as_echo "#define HAVE_STRTOF 1" >>confdefs.h
+
+else
+ case " $LIBOBJS " in
+ *" strtof.$ac_objext "* ) ;;
+ *) LIBOBJS="$LIBOBJS strtof.$ac_objext"
+ ;;
+esac
+
+fi
+
+
+
+case $host_os in
+ # Cygwin and (apparently, based on test results) Mingw both
+ # have a broken strtof(), so substitute the same replacement
+ # code we use with VS2013. That's not a perfect fix, since
+ # (unlike with VS2013) it doesn't avoid double-rounding, but
+ # we have no better options. To get that, though, we have to
+ # force the file to be compiled despite HAVE_STRTOF.
+ mingw*|cygwin*)
+ case " $LIBOBJS " in
+ *" strtof.$ac_objext "* ) ;;
+ *) LIBOBJS="$LIBOBJS strtof.$ac_objext"
+ ;;
+esac
+ { $as_echo "$as_me:${as_lineno-$LINENO}: On $host_os we will use our strtof wrapper." >&5
+$as_echo "$as_me: On $host_os we will use our strtof wrapper." >&6;}
+ ;;
+esac
case $host_os in
fi
-# Solaris' getopt() doesn't do what we want for long options, so always use
-# our version on that platform.
-if test "$PORTNAME" = "solaris"; then
+# On OpenBSD and Solaris, getopt() doesn't do what we want for long options
+# (i.e., allow '-' as a flag character), so use our version on those platforms.
+if test "$PORTNAME" = "openbsd" -o "$PORTNAME" = "solaris"; then
case " $LIBOBJS " in
*" getopt.$ac_objext "* ) ;;
*) LIBOBJS="$LIBOBJS getopt.$ac_objext"
# Win32 (really MinGW) support
if test "$PORTNAME" = "win32"; then
+ for ac_func in _configthreadlocale
+do :
+ ac_fn_c_check_func "$LINENO" "_configthreadlocale" "ac_cv_func__configthreadlocale"
+if test "x$ac_cv_func__configthreadlocale" = xyes; then :
+ cat >>confdefs.h <<_ACEOF
+#define HAVE__CONFIGTHREADLOCALE 1
+_ACEOF
+
+fi
+done
+
ac_fn_c_check_func "$LINENO" "gettimeofday" "ac_cv_func_gettimeofday"
if test "x$ac_cv_func_gettimeofday" = xyes; then :
$as_echo "#define HAVE_GETTIMEOFDAY 1" >>confdefs.h
fi
-ac_fn_c_check_decl "$LINENO" "sys_siglist" "ac_cv_have_decl_sys_siglist" "#include <signal.h>
-/* NetBSD declares sys_siglist in unistd.h. */
-#ifdef HAVE_UNISTD_H
-# include <unistd.h>
-#endif
-
-"
-if test "x$ac_cv_have_decl_sys_siglist" = xyes; then :
- ac_have_decl=1
-else
- ac_have_decl=0
-fi
-
-cat >>confdefs.h <<_ACEOF
-#define HAVE_DECL_SYS_SIGLIST $ac_have_decl
-_ACEOF
-
-
ac_fn_c_check_func "$LINENO" "syslog" "ac_cv_func_syslog"
if test "x$ac_cv_func_syslog" = xyes; then :
ac_fn_c_check_header_mongrel "$LINENO" "syslog.h" "ac_cv_header_syslog_h" "$ac_includes_default"
CPPFLAGS=$ac_save_CPPFLAGS
fi
+if test "$with_llvm" = yes; then
+
+ # Check which functionality is present
+ SAVE_CPPFLAGS="$CPPFLAGS"
+ CPPFLAGS="$CPPFLAGS $LLVM_CPPFLAGS"
+ ac_fn_c_check_decl "$LINENO" "LLVMOrcGetSymbolAddressIn" "ac_cv_have_decl_LLVMOrcGetSymbolAddressIn" "#include <llvm-c/OrcBindings.h>
+"
+if test "x$ac_cv_have_decl_LLVMOrcGetSymbolAddressIn" = xyes; then :
+ ac_have_decl=1
+else
+ ac_have_decl=0
+fi
+
+cat >>confdefs.h <<_ACEOF
+#define HAVE_DECL_LLVMORCGETSYMBOLADDRESSIN $ac_have_decl
+_ACEOF
+
+ ac_fn_c_check_decl "$LINENO" "LLVMGetHostCPUName" "ac_cv_have_decl_LLVMGetHostCPUName" "#include <llvm-c/TargetMachine.h>
+"
+if test "x$ac_cv_have_decl_LLVMGetHostCPUName" = xyes; then :
+ ac_have_decl=1
+else
+ ac_have_decl=0
+fi
+
+cat >>confdefs.h <<_ACEOF
+#define HAVE_DECL_LLVMGETHOSTCPUNAME $ac_have_decl
+_ACEOF
+ac_fn_c_check_decl "$LINENO" "LLVMGetHostCPUFeatures" "ac_cv_have_decl_LLVMGetHostCPUFeatures" "#include <llvm-c/TargetMachine.h>
+"
+if test "x$ac_cv_have_decl_LLVMGetHostCPUFeatures" = xyes; then :
+ ac_have_decl=1
+else
+ ac_have_decl=0
+fi
+
+cat >>confdefs.h <<_ACEOF
+#define HAVE_DECL_LLVMGETHOSTCPUFEATURES $ac_have_decl
+_ACEOF
+
+ ac_fn_c_check_decl "$LINENO" "LLVMCreateGDBRegistrationListener" "ac_cv_have_decl_LLVMCreateGDBRegistrationListener" "#include <llvm-c/ExecutionEngine.h>
+"
+if test "x$ac_cv_have_decl_LLVMCreateGDBRegistrationListener" = xyes; then :
+ ac_have_decl=1
+else
+ ac_have_decl=0
+fi
+
+cat >>confdefs.h <<_ACEOF
+#define HAVE_DECL_LLVMCREATEGDBREGISTRATIONLISTENER $ac_have_decl
+_ACEOF
+ac_fn_c_check_decl "$LINENO" "LLVMCreatePerfJITEventListener" "ac_cv_have_decl_LLVMCreatePerfJITEventListener" "#include <llvm-c/ExecutionEngine.h>
+"
+if test "x$ac_cv_have_decl_LLVMCreatePerfJITEventListener" = xyes; then :
+ ac_have_decl=1
+else
+ ac_have_decl=0
+fi
+
+cat >>confdefs.h <<_ACEOF
+#define HAVE_DECL_LLVMCREATEPERFJITEVENTLISTENER $ac_have_decl
+_ACEOF
+
+ CPPFLAGS="$SAVE_CPPFLAGS"
+
+fi
+
# Lastly, restore full LIBS list and check for readline/libedit symbols
LIBS="$LIBS_including_readline"
# Run tests below here
# --------------------
-# For NLS, force use of our snprintf if system's doesn't do arg control.
-# See comment above at snprintf test for details.
-if test "$enable_nls" = yes -a "$pgac_need_repl_snprintf" = no; then
- { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether snprintf supports argument control" >&5
-$as_echo_n "checking whether snprintf supports argument control... " >&6; }
-if ${pgac_cv_snprintf_arg_control+:} false; then :
- $as_echo_n "(cached) " >&6
-else
- if test "$cross_compiling" = yes; then :
- pgac_cv_snprintf_arg_control=cross
-else
- cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h. */
-#include <stdio.h>
-#include <string.h>
-
-int main()
-{
- char buf[100];
-
- /* can it swap arguments? */
- snprintf(buf, 100, "%2\$d %1\$d", 3, 4);
- if (strcmp(buf, "4 3") != 0)
- return 1;
- return 0;
-}
-_ACEOF
-if ac_fn_c_try_run "$LINENO"; then :
- pgac_cv_snprintf_arg_control=yes
-else
- pgac_cv_snprintf_arg_control=no
-fi
-rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \
- conftest.$ac_objext conftest.beam conftest.$ac_ext
-fi
-
-
-fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $pgac_cv_snprintf_arg_control" >&5
-$as_echo "$pgac_cv_snprintf_arg_control" >&6; }
-
- if test $pgac_cv_snprintf_arg_control != yes ; then
- pgac_need_repl_snprintf=yes
- fi
-fi
-
-
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether long int is 64 bits" >&5
$as_echo_n "checking whether long int is 64 bits... " >&6; }
# Select the printf length modifier that goes with that, too.
-# (This used to be bound up with replacement-snprintf selection, but now
-# we assume that the native *printf functions use standard length modifiers.)
if test x"$pg_int64_type" = x"long long int" ; then
INT64_MODIFIER='"ll"'
else
_ACEOF
-# Force use of our snprintf if the system's doesn't support the %z flag.
-# (Note this test uses PG_INT64_TYPE and INT64_MODIFIER.)
-if test "$pgac_need_repl_snprintf" = no; then
- { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether snprintf supports the %z modifier" >&5
-$as_echo_n "checking whether snprintf supports the %z modifier... " >&6; }
-if ${pgac_cv_snprintf_size_t_support+:} false; then :
- $as_echo_n "(cached) " >&6
-else
- if test "$cross_compiling" = yes; then :
- pgac_cv_snprintf_size_t_support=cross
-else
- cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h. */
-#include <stdio.h>
-#include <string.h>
-
-int main()
-{
- char bufz[100];
- char buf64[100];
-
- /*
- * Print the largest unsigned number fitting in a size_t using both %zu
- * and the previously-determined format for 64-bit integers. Note that
- * we don't run this code unless we know snprintf handles 64-bit ints.
- */
- bufz[0] = '\0'; /* in case snprintf fails to emit anything */
- snprintf(bufz, sizeof(bufz), "%zu", ~((size_t) 0));
- snprintf(buf64, sizeof(buf64), "%" INT64_MODIFIER "u",
- (unsigned PG_INT64_TYPE) ~((size_t) 0));
- if (strcmp(bufz, buf64) != 0)
- return 1;
- return 0;
-}
-_ACEOF
-if ac_fn_c_try_run "$LINENO"; then :
- pgac_cv_snprintf_size_t_support=yes
-else
- pgac_cv_snprintf_size_t_support=no
-fi
-rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \
- conftest.$ac_objext conftest.beam conftest.$ac_ext
-fi
-
-
-fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $pgac_cv_snprintf_size_t_support" >&5
-$as_echo "$pgac_cv_snprintf_size_t_support" >&6; }
-
- if test "$pgac_cv_snprintf_size_t_support" != yes; then
- pgac_need_repl_snprintf=yes
- fi
-fi
-
-# Force use of our snprintf if the system's doesn't handle buffer overrun
-# as specified by C99.
-if test "$pgac_need_repl_snprintf" = no; then
- { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether snprintf handles buffer overrun per C99" >&5
-$as_echo_n "checking whether snprintf handles buffer overrun per C99... " >&6; }
-if ${pgac_cv_snprintf_c99_result+:} false; then :
- $as_echo_n "(cached) " >&6
-else
- if test "$cross_compiling" = yes; then :
- pgac_cv_snprintf_c99_result=cross
-else
- cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h. */
-#include <stdio.h>
-#include <string.h>
-
-int main()
-{
- char buf[10];
-
- strcpy(buf, "abcdefghi");
- if (snprintf(buf, 4, "%d", 123456) != 6)
- return 1;
- if (strcmp(buf, "123") != 0 || buf[4] != 'e')
- return 1;
- return 0;
-}
-_ACEOF
-if ac_fn_c_try_run "$LINENO"; then :
- pgac_cv_snprintf_c99_result=yes
-else
- pgac_cv_snprintf_c99_result=no
-fi
-rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \
- conftest.$ac_objext conftest.beam conftest.$ac_ext
-fi
-
-
-fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $pgac_cv_snprintf_c99_result" >&5
-$as_echo "$pgac_cv_snprintf_c99_result" >&6; }
-
- if test "$pgac_cv_snprintf_c99_result" != yes; then
- pgac_need_repl_snprintf=yes
- fi
-fi
-
-# Now we have checked all the reasons to replace snprintf
-if test $pgac_need_repl_snprintf = yes; then
-
-$as_echo "#define USE_REPL_SNPRINTF 1" >>confdefs.h
-
- case " $LIBOBJS " in
- *" snprintf.$ac_objext "* ) ;;
- *) LIBOBJS="$LIBOBJS snprintf.$ac_objext"
- ;;
-esac
-
-fi
-
# has to be down here, rather than with the other builtins, because
# the test uses PG_INT64_TYPE.
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for __builtin_mul_overflow" >&5
# in the template or configure command line.
# If not selected manually, try to select a source automatically.
-if test "$enable_strong_random" = "yes" && test x"$USE_OPENSSL_RANDOM" = x"" && test x"$USE_WIN32_RANDOM" = x"" && test x"$USE_DEV_URANDOM" = x"" ; then
+if test x"$USE_OPENSSL_RANDOM" = x"" && test x"$USE_WIN32_RANDOM" = x"" && test x"$USE_DEV_URANDOM" = x"" ; then
if test x"$with_openssl" = x"yes" ; then
USE_OPENSSL_RANDOM=1
elif test "$PORTNAME" = "win32" ; then
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking which random number source to use" >&5
$as_echo_n "checking which random number source to use... " >&6; }
-if test "$enable_strong_random" = yes ; then
- if test x"$USE_OPENSSL_RANDOM" = x"1" ; then
+if test x"$USE_OPENSSL_RANDOM" = x"1" ; then
$as_echo "#define USE_OPENSSL_RANDOM 1" >>confdefs.h
- { $as_echo "$as_me:${as_lineno-$LINENO}: result: OpenSSL" >&5
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: OpenSSL" >&5
$as_echo "OpenSSL" >&6; }
- elif test x"$USE_WIN32_RANDOM" = x"1" ; then
+elif test x"$USE_WIN32_RANDOM" = x"1" ; then
$as_echo "#define USE_WIN32_RANDOM 1" >>confdefs.h
- { $as_echo "$as_me:${as_lineno-$LINENO}: result: Windows native" >&5
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: Windows native" >&5
$as_echo "Windows native" >&6; }
- elif test x"$USE_DEV_URANDOM" = x"1" ; then
+elif test x"$USE_DEV_URANDOM" = x"1" ; then
$as_echo "#define USE_DEV_URANDOM 1" >>confdefs.h
- { $as_echo "$as_me:${as_lineno-$LINENO}: result: /dev/urandom" >&5
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: /dev/urandom" >&5
$as_echo "/dev/urandom" >&6; }
- else
- as_fn_error $? "
-no source of strong random numbers was found
-PostgreSQL can use OpenSSL or /dev/urandom as a source of random numbers,
-for authentication protocols. You can use --disable-strong-random to use a
-built-in pseudo random number generator, but that may be insecure." "$LINENO" 5
- fi
-
-$as_echo "#define HAVE_STRONG_RANDOM 1" >>confdefs.h
-
else
- { $as_echo "$as_me:${as_lineno-$LINENO}: result: weak builtin PRNG" >&5
-$as_echo "weak builtin PRNG" >&6; }
- { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING:
-*** Not using a strong random number source may be insecure." >&5
-$as_echo "$as_me: WARNING:
-*** Not using a strong random number source may be insecure." >&2;}
+ as_fn_error $? "
+no source of strong random numbers was found
+PostgreSQL can use OpenSSL or /dev/urandom as a source of random numbers." "$LINENO" 5
fi
# If not set in template file, set bytes to use libc memset()
$as_echo "$MSGFMT" >&6; }
fi
- if test -z "$MSGFMT"; then
+ if test -z "$MSGFMT"; then
as_fn_error $? "msgfmt is required for NLS" "$LINENO" 5
fi
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for msgfmt flags" >&5
set X $pgac_test_dirs; shift
if test $# -eq 0; then
test -z "$TCLSH" && as_fn_error $? "unable to locate tclConfig.sh because no Tcl shell was found" "$LINENO" 5
- set X `echo 'puts $auto_path' | $TCLSH`; shift
+ pgac_test_dirs=`echo 'puts $auto_path' | $TCLSH`
+ # On newer macOS, $auto_path frequently doesn't include the place
+ # where tclConfig.sh actually lives. Append that to the end, so as not
+ # to break cases where a non-default Tcl installation is being used.
+ if test -d "$PG_SYSROOT/System/Library/Frameworks/Tcl.framework" ; then
+ pgac_test_dirs="$pgac_test_dirs $PG_SYSROOT/System/Library/Frameworks/Tcl.framework"
+ fi
+ set X $pgac_test_dirs; shift
fi
for pgac_dir do
# check for <perl.h>
if test "$with_perl" = yes; then
ac_save_CPPFLAGS=$CPPFLAGS
- CPPFLAGS="$CPPFLAGS -I$perl_archlibexp/CORE"
+ CPPFLAGS="$CPPFLAGS $perl_includespec"
ac_fn_c_check_header_compile "$LINENO" "perl.h" "ac_cv_header_perl_h" "#include <EXTERN.h>
"
if test "x$ac_cv_header_perl_h" = xyes; then :
+# If we are inserting PG_SYSROOT into CPPFLAGS, do so symbolically not
+# literally, so that it's possible to override it at build time using
+# a command like "make ... PG_SYSROOT=path". This has to be done after
+# we've finished all configure checks that depend on CPPFLAGS.
+if test x"$PG_SYSROOT" != x; then
+ CPPFLAGS=`echo "$CPPFLAGS" | sed -e "s| $PG_SYSROOT | \\\$(PG_SYSROOT) |"`
+fi
+
+
# Begin output steps
Configuration commands:
$config_commands
-Report bugs to <pgsql-bugs@postgresql.org>."
+Report bugs to <pgsql-bugs@lists.postgresql.org>."
_ACEOF
cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
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