dnl
m4_pattern_forbid(^PGAC_)dnl to catch undefined macros
-AC_INIT([PostgreSQL], [9.5devel], [pgsql-bugs@postgresql.org])
+AC_INIT([PostgreSQL], [9.6devel], [pgsql-bugs@postgresql.org])
m4_if(m4_defn([m4_PACKAGE_VERSION]), [2.69], [], [m4_fatal([Autoconf version 2.69 is required.
Untested combinations of 'autoconf' and PostgreSQL versions are not
recommended. You can remove the check from 'configure.in' but it is then
your responsibility whether the result works or not.])])
-AC_COPYRIGHT([Copyright (c) 1996-2014, PostgreSQL Global Development Group])
+AC_COPYRIGHT([Copyright (c) 1996-2015, PostgreSQL Global Development Group])
AC_CONFIG_SRCDIR([src/backend/access/common/heaptuple.c])
AC_CONFIG_AUX_DIR(config)
AC_PREFIX_DEFAULT(/usr/local/pgsql)
AC_SUBST(DTRACEFLAGS)])
AC_SUBST(enable_dtrace)
+#
+# TAP tests
+#
+PGAC_ARG_BOOL(enable, tap-tests, no,
+ [enable TAP tests (requires Perl and IPC::Run)])
+AC_SUBST(enable_tap_tests)
+
#
# Block size
#
# Check if it's Intel's compiler, which (usually) pretends to be gcc,
# but has idiosyncrasies of its own. We assume icc will define
# __INTEL_COMPILER regardless of CFLAGS.
-AC_TRY_COMPILE([], [@%:@ifndef __INTEL_COMPILER
+AC_COMPILE_IFELSE([AC_LANG_PROGRAM([], [@%:@ifndef __INTEL_COMPILER
choke me
-@%:@endif], [ICC=[yes]], [ICC=[no]])
+@%:@endif])], [ICC=yes], [ICC=no])
# Check if it's Sun Studio compiler. We assume that
# __SUNPRO_C will be defined for Sun Studio compilers
-AC_TRY_COMPILE([], [@%:@ifndef __SUNPRO_C
+AC_COMPILE_IFELSE([AC_LANG_PROGRAM([], [@%:@ifndef __SUNPRO_C
choke me
-@%:@endif], [SUN_STUDIO_CC=yes], [SUN_STUDIO_CC=no])
+@%:@endif])], [SUN_STUDIO_CC=yes], [SUN_STUDIO_CC=no])
AC_SUBST(SUN_STUDIO_CC)
fi
fi
+# CFLAGS we determined above will be added back at the end
+user_CFLAGS=$CFLAGS
+CFLAGS=""
+
# set CFLAGS_VECTOR from the environment, if available
if test "$ac_env_CFLAGS_VECTOR_set" = set; then
CFLAGS_VECTOR=$ac_env_CFLAGS_VECTOR_value
# but has its own. Also check other compiler-specific flags here.
if test "$GCC" = yes -a "$ICC" = no; then
- CFLAGS="$CFLAGS -Wall -Wmissing-prototypes -Wpointer-arith"
+ CFLAGS="-Wall -Wmissing-prototypes -Wpointer-arith"
# These work in some but not all gcc versions
PGAC_PROG_CC_CFLAGS_OPT([-Wdeclaration-after-statement])
PGAC_PROG_CC_CFLAGS_OPT([-Wendif-labels])
# Optimization flags for specific files that benefit from vectorization
PGAC_PROG_CC_VAR_OPT(CFLAGS_VECTOR, [-funroll-loops])
PGAC_PROG_CC_VAR_OPT(CFLAGS_VECTOR, [-ftree-vectorize])
+ # We want to suppress clang's unhelpful unused-command-line-argument warnings
+ # but gcc won't complain about unrecognized -Wno-foo switches, so we have to
+ # test for the positive form and if that works, add the negative form
+ PGAC_PROG_CC_VAR_OPT(NOT_THE_CFLAGS, [-Wunused-command-line-argument])
+ if test -n "$NOT_THE_CFLAGS"; then
+ CFLAGS="$CFLAGS -Wno-unused-command-line-argument"
+ fi
elif test "$ICC" = yes; then
# Intel's compiler has a bug/misoptimization in checking for
# division by NAN (NaN == 0), -mp1 fixes it, so add it to the CFLAGS.
elif test "$PORTNAME" = "aix"; then
# AIX's xlc has to have strict aliasing turned off too
PGAC_PROG_CC_CFLAGS_OPT([-qnoansialias])
+ PGAC_PROG_CC_CFLAGS_OPT([-qlonglong])
elif test "$PORTNAME" = "hpux"; then
# On some versions of HP-UX, libm functions do not set errno by default.
# Fix that by using +Olibmerrno if the compiler recognizes it.
CPPFLAGS="$CPPFLAGS -I$srcdir/src/include/port/win32 -DEXEC_BACKEND"
fi
-# Check if the compiler still works with the template settings
+# Now that we're done automatically adding stuff to CFLAGS, put back the
+# user-specified flags (if any) at the end. This lets users override
+# the automatic additions.
+CFLAGS="$CFLAGS $user_CFLAGS"
+
+# Check if the compiler still works with the final flag settings
AC_MSG_CHECKING([whether the C compiler still works])
-AC_TRY_LINK([], [return 0;],
+AC_LINK_IFELSE([AC_LANG_PROGRAM([], [return 0;])],
[AC_MSG_RESULT(yes)],
[AC_MSG_RESULT(no)
AC_MSG_ERROR([cannot proceed])])
# Defend against gcc -ffast-math
if test "$GCC" = yes; then
-AC_TRY_COMPILE([], [@%:@ifdef __FAST_MATH__
+AC_COMPILE_IFELSE([AC_LANG_PROGRAM([], [@%:@ifdef __FAST_MATH__
choke me
-@%:@endif], [], [AC_MSG_ERROR([do not put -ffast-math in CFLAGS])])
+@%:@endif])], [], [AC_MSG_ERROR([do not put -ffast-math in CFLAGS])])
fi
AC_PROG_CPP
AC_CACHE_CHECK([whether ld -R works], [pgac_cv_prog_ld_R],
[
pgac_save_LDFLAGS=$LDFLAGS; LDFLAGS="$LDFLAGS -Wl,-R/usr/lib"
- AC_TRY_LINK([], [], [pgac_cv_prog_ld_R=yes], [pgac_cv_prog_ld_R=no])
+ AC_LINK_IFELSE([AC_LANG_PROGRAM([], [])],
+ [pgac_cv_prog_ld_R=yes],
+ [pgac_cv_prog_ld_R=no])
LDFLAGS=$pgac_save_LDFLAGS
])
ld_R_works=$pgac_cv_prog_ld_R
AC_MSG_ERROR([Perl not found])
fi
PGAC_CHECK_PERL_CONFIGS([archlibexp,privlibexp,useshrplib])
+ if test "$perl_useshrplib" != yes && test "$perl_useshrplib" != true; then
+ AC_MSG_ERROR([cannot build PL/Perl because libperl is not a shared library
+You might have to rebuild your Perl installation. Refer to the
+documentation for details. Use --without-perl to disable building
+PL/Perl.])
+ fi
PGAC_CHECK_PERL_EMBED_LDFLAGS
fi
if test "$with_python" = yes; then
PGAC_PATH_PYTHON
PGAC_CHECK_PYTHON_EMBED_SETUP
+
+ # We need libpython as a shared library. With Python >=2.5, we
+ # check the Py_ENABLE_SHARED setting. On Debian, the setting is not
+ # correct before the jessie release (http://bugs.debian.org/695979).
+ # We also want to support older Python versions. So as a fallback
+ # we see if there is a file that is named like a shared library.
+
+ if test "$python_enable_shared" != 1; then
+ if test "$PORTNAME" = darwin; then
+ # OS X does supply a .dylib even though Py_ENABLE_SHARED does
+ # not get set. The file detection logic below doesn't succeed
+ # on older OS X versions, so make it explicit.
+ python_enable_shared=1
+ elif test "$PORTNAME" = win32; then
+ # Windows also needs an explicit override.
+ python_enable_shared=1
+ else
+ # We don't know the platform shared library extension here yet,
+ # so we try some candidates.
+ for dlsuffix in .so .sl; do
+ if ls "$python_libdir"/libpython*${dlsuffix}* >/dev/null 2>&1; then
+ python_enable_shared=1
+ break
+ fi
+ done
+ fi
+ fi
+
+ if test "$python_enable_shared" != 1; then
+ AC_MSG_ERROR([cannot build PL/Python because libpython is not a shared library
+You might have to rebuild your Python installation. Refer to the
+documentation for details. Use --without-python to disable building
+PL/Python.])
+ fi
fi
if test "$cross_compiling" = yes && test -z "$with_system_tzdata"; then
fi
fi
+#
+# Pthreads
+#
+# For each platform, we need to know about any special compile and link
+# libraries, and whether the normal C function names are thread-safe.
+# See the comment at the top of src/port/thread.c for more information.
+# WIN32 doesn't need the pthread tests; it always uses threads
+#
+# These tests are run before the library-tests, because linking with the
+# other libraries can pull in the pthread functions as a side-effect. We
+# want to use the -pthread or similar flags directly, and not rely on
+# the side-effects of linking with some other library.
+#
+# note: We have to use AS_IF here rather than plain if. The AC_CHECK_HEADER
+# invocation below is the first one in the script, and autoconf generates
+# additional code for that, which must not be inside the if-block. AS_IF
+# knows how to do that.
+AS_IF([test "$enable_thread_safety" = yes -a "$PORTNAME" != "win32"],
+[ # then
+AX_PTHREAD # set thread flags
+
+# Some platforms use these, so just define them. They can't hurt if they
+# are not supported. For example, on Solaris -D_POSIX_PTHREAD_SEMANTICS
+# enables 5-arg getpwuid_r, among other things.
+PTHREAD_CFLAGS="$PTHREAD_CFLAGS -D_REENTRANT -D_THREAD_SAFE -D_POSIX_PTHREAD_SEMANTICS"
+
+# Check for *_r functions
+_CFLAGS="$CFLAGS"
+_LIBS="$LIBS"
+CFLAGS="$CFLAGS $PTHREAD_CFLAGS"
+LIBS="$LIBS $PTHREAD_LIBS"
+
+AC_CHECK_HEADER(pthread.h, [], [AC_MSG_ERROR([
+pthread.h not found; use --disable-thread-safety to disable thread safety])])
+
+AC_CHECK_FUNCS([strerror_r getpwuid_r gethostbyname_r])
+
+# Do test here with the proper thread flags
+PGAC_FUNC_STRERROR_R_INT
+
+CFLAGS="$_CFLAGS"
+LIBS="$_LIBS"
+
+], [ # else
+# do not use values from template file
+PTHREAD_CFLAGS=
+PTHREAD_LIBS=
+]) # fi
+
+AC_SUBST(PTHREAD_CFLAGS)
+AC_SUBST(PTHREAD_LIBS)
+
##
## Libraries
AC_SEARCH_LIBS(shm_unlink, rt)
# Solaris:
AC_SEARCH_LIBS(fdatasync, [rt posix4])
+# Required for thread_test.c on Solaris
+AC_SEARCH_LIBS(sched_yield, rt)
# Required for thread_test.c on Solaris 2.5:
# Other ports use it too (HP-UX) so test unconditionally
AC_SEARCH_LIBS(gethostbyname_r, nsl)
AC_CHECK_LIB(xslt, xsltCleanupGlobals, [], [AC_MSG_ERROR([library 'xslt' is required for XSLT support])])
fi
+# Note: We can test for libldap_r only after we know PTHREAD_LIBS
+if test "$with_ldap" = yes ; then
+ _LIBS="$LIBS"
+ if test "$PORTNAME" != "win32"; then
+ AC_CHECK_LIB(ldap, ldap_bind, [],
+ [AC_MSG_ERROR([library 'ldap' is required for LDAP])],
+ [$EXTRA_LDAP_LIBS])
+ LDAP_LIBS_BE="-lldap $EXTRA_LDAP_LIBS"
+ if test "$enable_thread_safety" = yes; then
+ # on some platforms ldap_r fails to link without PTHREAD_LIBS
+ AC_CHECK_LIB(ldap_r, ldap_simple_bind, [],
+ [AC_MSG_ERROR([library 'ldap_r' is required for LDAP])],
+ [$PTHREAD_CFLAGS $PTHREAD_LIBS $EXTRA_LDAP_LIBS])
+ LDAP_LIBS_FE="-lldap_r $EXTRA_LDAP_LIBS"
+ else
+ LDAP_LIBS_FE="-lldap $EXTRA_LDAP_LIBS"
+ fi
+ else
+ AC_CHECK_LIB(wldap32, ldap_bind, [], [AC_MSG_ERROR([library 'wldap32' is required for LDAP])])
+ LDAP_LIBS_FE="-lwldap32"
+ LDAP_LIBS_BE="-lwldap32"
+ fi
+ LIBS="$_LIBS"
+fi
+AC_SUBST(LDAP_LIBS_FE)
+AC_SUBST(LDAP_LIBS_BE)
+
# for contrib/sepgsql
if test "$with_selinux" = yes; then
AC_CHECK_LIB(selinux, security_compute_create_name, [],
##
dnl sys/socket.h is required by AC_FUNC_ACCEPT_ARGTYPES
-AC_CHECK_HEADERS([atomic.h crypt.h dld.h fp_class.h getopt.h ieeefp.h ifaddrs.h langinfo.h poll.h pwd.h sys/ioctl.h sys/ipc.h sys/poll.h sys/pstat.h sys/resource.h sys/select.h sys/sem.h sys/shm.h sys/socket.h sys/sockio.h sys/tas.h sys/time.h sys/un.h termios.h ucred.h utime.h wchar.h wctype.h])
+AC_CHECK_HEADERS([atomic.h crypt.h dld.h fp_class.h getopt.h ieeefp.h ifaddrs.h langinfo.h mbarrier.h poll.h pwd.h sys/ioctl.h sys/ipc.h sys/poll.h sys/pstat.h sys/resource.h sys/select.h sys/sem.h sys/shm.h sys/socket.h sys/sockio.h sys/tas.h sys/time.h sys/un.h termios.h ucred.h utime.h wchar.h wctype.h])
# On BSD, test for net/if.h will fail unless sys/socket.h
# is included first.
m4_defun([AC_PROG_CC_STDC], []) dnl We don't want that.
AC_C_BIGENDIAN
-PGAC_C_INLINE
+AC_C_INLINE
+PGAC_PRINTF_ARCHETYPE
AC_C_FLEXIBLE_ARRAY_MEMBER
PGAC_C_SIGNED
PGAC_C_FUNCNAME_SUPPORT
PGAC_C_STATIC_ASSERT
PGAC_C_TYPES_COMPATIBLE
+PGAC_C_BUILTIN_BSWAP32
PGAC_C_BUILTIN_CONSTANT_P
PGAC_C_BUILTIN_UNREACHABLE
PGAC_C_VA_ARGS
case $host_cpu in
ppc*|powerpc*)
AC_MSG_CHECKING([whether assembler supports lwarx hint bit])
- AC_TRY_COMPILE([],
+ AC_COMPILE_IFELSE([AC_LANG_PROGRAM([],
[int a = 0; int *p = &a; int r;
- __asm__ __volatile__ (" lwarx %0,0,%1,1\n" : "=&r"(r) : "r"(p));],
+ __asm__ __volatile__ (" lwarx %0,0,%1,1\n" : "=&r"(r) : "r"(p));])],
[pgac_cv_have_ppc_mutex_hint=yes],
[pgac_cv_have_ppc_mutex_hint=no])
AC_MSG_RESULT([$pgac_cv_have_ppc_mutex_hint])
LIBS_including_readline="$LIBS"
LIBS=`echo "$LIBS" | sed -e 's/-ledit//g' -e 's/-lreadline//g'`
-AC_CHECK_FUNCS([cbrt dlopen fdatasync getifaddrs getpeerucred getrlimit mbstowcs_l memmove poll pstat readlink setproctitle setsid shm_open sigprocmask symlink sync_file_range towlower utime utimes wcstombs wcstombs_l])
+AC_CHECK_FUNCS([cbrt dlopen fdatasync getifaddrs getpeerucred getrlimit mbstowcs_l memmove poll pstat pthread_is_threaded_np readlink setproctitle setsid shm_open symlink sync_file_range towlower utime utimes wcstombs wcstombs_l])
AC_REPLACE_FUNCS(fseeko)
case $host_os in
AC_SUBST(HAVE_IPV6)
AC_CACHE_CHECK([for PS_STRINGS], [pgac_cv_var_PS_STRINGS],
-[AC_TRY_LINK(
+[AC_LINK_IFELSE([AC_LANG_PROGRAM(
[#include <machine/vmparam.h>
#include <sys/exec.h>
],
[PS_STRINGS->ps_nargvstr = 1;
-PS_STRINGS->ps_argvstr = "foo";],
+PS_STRINGS->ps_argvstr = "foo";])],
[pgac_cv_var_PS_STRINGS=yes],
[pgac_cv_var_PS_STRINGS=no])])
if test "$pgac_cv_var_PS_STRINGS" = yes ; then
dnl Cannot use AC_CHECK_FUNC because isinf may be a macro
AC_CACHE_CHECK([for isinf], ac_cv_func_isinf,
-[AC_TRY_LINK([
+[AC_LINK_IFELSE([AC_LANG_PROGRAM([
#include <math.h>
double glob_double;
],
-[return isinf(glob_double) ? 0 : 1;],
+[return isinf(glob_double) ? 0 : 1;])],
[ac_cv_func_isinf=yes],
[ac_cv_func_isinf=no])])
AC_LIBOBJ(getopt_long)
fi
-# Win32 support
+# Win32 (really MinGW) support
if test "$PORTNAME" = "win32"; then
AC_REPLACE_FUNCS(gettimeofday)
+ AC_LIBOBJ(dirmod)
AC_LIBOBJ(kill)
AC_LIBOBJ(open)
AC_LIBOBJ(system)
AC_SUBST(have_win32_dbghelp,no)
fi
-dnl Cannot use AC_CHECK_FUNC because sigsetjmp may be a macro
-dnl (especially on GNU libc)
-dnl See also comments in c.h.
-AC_CACHE_CHECK([for sigsetjmp], pgac_cv_func_sigsetjmp,
-[AC_TRY_LINK([#include <setjmp.h>],
- [sigjmp_buf x; sigsetjmp(x, 1);],
- [pgac_cv_func_sigsetjmp=yes],
- [pgac_cv_func_sigsetjmp=no])])
-if test x"$pgac_cv_func_sigsetjmp" = x"yes"; then
- AC_DEFINE(HAVE_SIGSETJMP, 1, [Define to 1 if you have sigsetjmp().])
+# Cygwin needs only a bit of that
+if test "$PORTNAME" = "cygwin"; then
+ AC_LIBOBJ(dirmod)
fi
-AC_DECL_SYS_SIGLIST
+AC_CHECK_DECLS([sys_siglist], [], [],
+[#include <signal.h>
+/* NetBSD declares sys_siglist in unistd.h. */
+#ifdef HAVE_UNISTD_H
+# include <unistd.h>
+#endif
+])
AC_CHECK_FUNC(syslog,
[AC_CHECK_HEADER(syslog.h,
[AC_DEFINE(HAVE_SYSLOG, 1, [Define to 1 if you have the syslog interface.])])])
AC_CACHE_CHECK([for opterr], pgac_cv_var_int_opterr,
-[AC_TRY_LINK([#include <unistd.h>],
- [extern int opterr; opterr = 1;],
+[AC_LINK_IFELSE([AC_LANG_PROGRAM([#include <unistd.h>],
+ [extern int opterr; opterr = 1;])],
[pgac_cv_var_int_opterr=yes],
[pgac_cv_var_int_opterr=no])])
if test x"$pgac_cv_var_int_opterr" = x"yes"; then
fi
AC_CACHE_CHECK([for optreset], pgac_cv_var_int_optreset,
-[AC_TRY_LINK([#include <unistd.h>],
- [extern int optreset; optreset = 1;],
+[AC_LINK_IFELSE([AC_LANG_PROGRAM([#include <unistd.h>],
+ [extern int optreset; optreset = 1;])],
[pgac_cv_var_int_optreset=yes],
[pgac_cv_var_int_optreset=no])])
if test x"$pgac_cv_var_int_optreset" = x"yes"; then
fi
-#
-# Pthreads
-#
-# For each platform, we need to know about any special compile and link
-# libraries, and whether the normal C function names are thread-safe.
-# See the comment at the top of src/port/thread.c for more information.
-# WIN32 doesn't need the pthread tests; it always uses threads
-if test "$enable_thread_safety" = yes -a "$PORTNAME" != "win32"; then
-ACX_PTHREAD # set thread flags
-
-# Some platforms use these, so just define them. They can't hurt if they
-# are not supported. For example, on Solaris -D_POSIX_PTHREAD_SEMANTICS
-# enables 5-arg getpwuid_r, among other things.
-PTHREAD_CFLAGS="$PTHREAD_CFLAGS -D_REENTRANT -D_THREAD_SAFE -D_POSIX_PTHREAD_SEMANTICS"
-
-# Check for *_r functions
-_CFLAGS="$CFLAGS"
-_LIBS="$LIBS"
-CFLAGS="$CFLAGS $PTHREAD_CFLAGS"
-LIBS="$LIBS $PTHREAD_LIBS"
-
-if test "$PORTNAME" != "win32"; then
-AC_CHECK_HEADER(pthread.h, [], [AC_MSG_ERROR([
-pthread.h not found; use --disable-thread-safety to disable thread safety])])
-fi
-
-AC_CHECK_FUNCS([strerror_r getpwuid_r gethostbyname_r])
-
-# Do test here with the proper thread flags
-PGAC_FUNC_GETPWUID_R_5ARG
-PGAC_FUNC_STRERROR_R_INT
-
-CFLAGS="$_CFLAGS"
-LIBS="$_LIBS"
-
-else
-# do not use values from template file
-PTHREAD_CFLAGS=
-PTHREAD_LIBS=
-fi
-
-AC_SUBST(PTHREAD_CFLAGS)
-AC_SUBST(PTHREAD_LIBS)
-
-
-# We can test for libldap_r only after we know PTHREAD_LIBS
-if test "$with_ldap" = yes ; then
- _LIBS="$LIBS"
- if test "$PORTNAME" != "win32"; then
- AC_CHECK_LIB(ldap, ldap_bind, [],
- [AC_MSG_ERROR([library 'ldap' is required for LDAP])],
- [$EXTRA_LDAP_LIBS])
- LDAP_LIBS_BE="-lldap $EXTRA_LDAP_LIBS"
- if test "$enable_thread_safety" = yes; then
- # on some platforms ldap_r fails to link without PTHREAD_LIBS
- AC_CHECK_LIB(ldap_r, ldap_simple_bind, [],
- [AC_MSG_ERROR([library 'ldap_r' is required for LDAP])],
- [$PTHREAD_CFLAGS $PTHREAD_LIBS $EXTRA_LDAP_LIBS])
- LDAP_LIBS_FE="-lldap_r $EXTRA_LDAP_LIBS"
- else
- LDAP_LIBS_FE="-lldap $EXTRA_LDAP_LIBS"
- fi
- else
- AC_CHECK_LIB(wldap32, ldap_bind, [], [AC_MSG_ERROR([library 'wldap32' is required for LDAP])])
- LDAP_LIBS_FE="-lwldap32"
- LDAP_LIBS_BE="-lwldap32"
- fi
- LIBS="$_LIBS"
-fi
-AC_SUBST(LDAP_LIBS_FE)
-AC_SUBST(LDAP_LIBS_BE)
-
-
# This test makes sure that run tests work at all. Sometimes a shared
# library is found by the linker, but the runtime linker can't find it.
# This check should come after all modifications of compiler or linker
# variables, and before any other run tests.
AC_MSG_CHECKING([test program])
-AC_TRY_RUN([int main() { return 0; }],
+AC_RUN_IFELSE([AC_LANG_SOURCE([int main() { return 0; }])],
[AC_MSG_RESULT(ok)],
[AC_MSG_RESULT(failed)
AC_MSG_ERROR([[
dnl If we need to use "long long int", figure out whether nnnLL notation works.
if test x"$HAVE_LONG_LONG_INT_64" = xyes ; then
- AC_TRY_COMPILE([
+ AC_COMPILE_IFELSE([AC_LANG_SOURCE([
#define INT64CONST(x) x##LL
long long int foo = INT64CONST(0x1234567890123456);
-],
- [],
+])],
[AC_DEFINE(HAVE_LL_CONSTANTS, 1, [Define to 1 if constants of type 'long long int' should have the suffix LL.])],
[])
fi
AC_CHECK_TYPES([int8, uint8, int64, uint64], [], [],
[#include <stdio.h>])
-# We also check for sig_atomic_t, which *should* be defined per ANSI
-# C, but is missing on some old platforms.
-AC_CHECK_TYPES(sig_atomic_t, [], [], [#include <signal.h>])
+# Check for extensions offering the integer scalar type __int128.
+PGAC_TYPE_128BIT_INT
# Check for various atomic operations now that we have checked how to declare
# 64bit integers.
PGAC_HAVE_GCC__ATOMIC_INT32_CAS
PGAC_HAVE_GCC__ATOMIC_INT64_CAS
-if test "$PORTNAME" != "win32"
-then
-PGAC_FUNC_POSIX_SIGNALS
-if test "$pgac_cv_func_posix_signals" != yes -a "$enable_thread_safety" = yes; then
- AC_MSG_ERROR([
-Thread-safety requires POSIX signals, which are not supported by this
-operating system; use --disable-thread-safety to disable thread safety.])
+
+# Check for x86 cpuid instruction
+AC_CACHE_CHECK([for __get_cpuid], [pgac_cv__get_cpuid],
+[AC_LINK_IFELSE([AC_LANG_PROGRAM([#include <cpuid.h>],
+ [[unsigned int exx[4] = {0, 0, 0, 0};
+ __get_cpuid(1, &exx[0], &exx[1], &exx[2], &exx[3]);
+ ]])],
+ [pgac_cv__get_cpuid="yes"],
+ [pgac_cv__get_cpuid="no"])])
+if test x"$pgac_cv__get_cpuid" = x"yes"; then
+ AC_DEFINE(HAVE__GET_CPUID, 1, [Define to 1 if you have __get_cpuid.])
+fi
+
+AC_CACHE_CHECK([for __cpuid], [pgac_cv__cpuid],
+[AC_LINK_IFELSE([AC_LANG_PROGRAM([#include <intrin.h>],
+ [[unsigned int exx[4] = {0, 0, 0, 0};
+ __get_cpuid(exx[0], 1);
+ ]])],
+ [pgac_cv__cpuid="yes"],
+ [pgac_cv__cpuid="no"])])
+if test x"$pgac_cv__cpuid" = x"yes"; then
+ AC_DEFINE(HAVE__CPUID, 1, [Define to 1 if you have __cpuid.])
+fi
+
+# Check for Intel SSE 4.2 intrinsics to do CRC calculations.
+#
+# First check if the _mm_crc32_u8 and _mm_crc32_u64 intrinsics can be used
+# with the default compiler flags. If not, check if adding the -msse4.2
+# flag helps. CFLAGS_SSE42 is set to -msse4.2 if that's required.
+PGAC_SSE42_CRC32_INTRINSICS([])
+if test x"$pgac_sse42_crc32_intrinsics" != x"yes"; then
+ PGAC_SSE42_CRC32_INTRINSICS([-msse4.2])
+fi
+AC_SUBST(CFLAGS_SSE42)
+
+# Are we targeting a processor that supports SSE 4.2? gcc, clang and icc all
+# define __SSE4_2__ in that case.
+AC_COMPILE_IFELSE([AC_LANG_PROGRAM([], [
+#ifndef __SSE4_2__
+#error __SSE4_2__ not defined
+#endif
+])], [SSE4_2_TARGETED=1])
+
+# Select CRC-32C implementation.
+#
+# If we are targeting a processor that has SSE 4.2 instructions, we can use the
+# special CRC instructions for calculating CRC-32C. If we're not targeting such
+# a processor, but we can nevertheless produce code that uses the SSE
+# intrinsics, perhaps with some extra CFLAGS, compile both implementations and
+# select which one to use at runtime, depending on whether SSE 4.2 is supported
+# by the processor we're running on.
+#
+# You can override this logic by setting the appropriate USE_*_CRC32 flag to 1
+# in the template or configure command line.
+if test x"$USE_SSE42_CRC32C" = x"" && test x"$USE_SSE42_CRC32C_WITH_RUNTIME_CHECK" = x"" && test x"$USE_SLICING_BY_8_CRC32C" = x""; then
+ if test x"$pgac_sse42_crc32_intrinsics" = x"yes" && test x"$SSE4_2_TARGETED" = x"1" ; then
+ USE_SSE42_CRC32C=1
+ else
+ # the CPUID instruction is needed for the runtime check.
+ if test x"$pgac_sse42_crc32_intrinsics" = x"yes" && (test x"$pgac_cv__get_cpuid" = x"yes" || test x"$pgac_cv__cpuid" = x"yes"); then
+ USE_SSE42_CRC32C_WITH_RUNTIME_CHECK=1
+ else
+ # fall back to slicing-by-8 algorithm which doesn't require any special
+ # CPU support.
+ USE_SLICING_BY_8_CRC32C=1
+ fi
+ fi
fi
+
+# Set PG_CRC32C_OBJS appropriately depending on the selected implementation.
+AC_MSG_CHECKING([which CRC-32C implementation to use])
+if test x"$USE_SSE42_CRC32C" = x"1"; then
+ AC_DEFINE(USE_SSE42_CRC32C, 1, [Define to 1 use Intel SSE 4.2 CRC instructions.])
+ PG_CRC32C_OBJS="pg_crc32c_sse42.o"
+ AC_MSG_RESULT(SSE 4.2)
+else
+ if test x"$USE_SSE42_CRC32C_WITH_RUNTIME_CHECK" = x"1"; then
+ AC_DEFINE(USE_SSE42_CRC32C_WITH_RUNTIME_CHECK, 1, [Define to 1 to use Intel SSSE 4.2 CRC instructions with a runtime check.])
+ PG_CRC32C_OBJS="pg_crc32c_sse42.o pg_crc32c_sb8.o pg_crc32c_choose.o"
+ AC_MSG_RESULT(SSE 4.2 with runtime check)
+ else
+ AC_DEFINE(USE_SLICING_BY_8_CRC32C, 1, [Define to 1 to use Intel SSE 4.2 CRC instructions with a runtime check.])
+ PG_CRC32C_OBJS="pg_crc32c_sb8.o"
+ AC_MSG_RESULT(slicing-by-8)
+ fi
fi
+AC_SUBST(PG_CRC32C_OBJS)
# Select semaphore implementation type.
if test "$with_tcl" = yes; then
PGAC_PATH_TCLCONFIGSH([$with_tclconfig])
PGAC_EVAL_TCLCONFIGSH([$TCL_CONFIG_SH],
- [TCL_INCLUDE_SPEC,TCL_LIB_FILE,TCL_LIBS,TCL_LIB_SPEC,TCL_SHARED_BUILD])
+ [TCL_INCLUDE_SPEC,TCL_LIBS,TCL_LIB_SPEC,TCL_SHARED_BUILD])
AC_SUBST(TCL_SHLIB_LD_LIBS)dnl don't want to double-evaluate that one
+ if test "$TCL_SHARED_BUILD" != 1; then
+ AC_MSG_ERROR([cannot build PL/Tcl because Tcl is not a shared library
+Use --without-tcl to disable building PL/Tcl.])
+ fi
# now that we have TCL_INCLUDE_SPEC, we can check for <tcl.h>
ac_save_CPPFLAGS=$CPPFLAGS
CPPFLAGS="$TCL_INCLUDE_SPEC $CPPFLAGS"
pgac_save_LIBS=$LIBS
LIBS="$perl_embed_ldflags"
AC_MSG_CHECKING([for libperl])
- AC_TRY_LINK([
+ AC_LINK_IFELSE([AC_LANG_PROGRAM([
#include <EXTERN.h>
#include <perl.h>
-], [perl_alloc();],
+], [perl_alloc();])],
[AC_MSG_RESULT(yes)],
[AC_MSG_RESULT(no)
AC_MSG_ERROR([libperl library is required for Perl])])
PGAC_PATH_DOCBOOK_STYLESHEETS
PGAC_PATH_COLLATEINDEX
AC_CHECK_PROGS(DBTOEPUB, dbtoepub)
+AC_CHECK_PROGS(XMLLINT, xmllint)
AC_CHECK_PROGS(XSLTPROC, xsltproc)
AC_CHECK_PROGS(OSX, [osx sgml2xml sx])
#
# Check for test tools
#
-AC_CHECK_PROGS(PROVE, prove)
+if test "$enable_tap_tests" = yes; then
+ AC_CHECK_PROGS(PROVE, prove)
+ if test -z "$PROVE"; then
+ AC_MSG_ERROR([prove not found])
+ fi
+ if test -z "$PERL"; then
+ AC_MSG_ERROR([Perl not found])
+ fi
+fi
# Thread testing
_LIBS="$LIBS"
CFLAGS="$CFLAGS $PTHREAD_CFLAGS -DIN_CONFIGURE"
LIBS="$LIBS $PTHREAD_LIBS"
-AC_TRY_RUN([#include "$srcdir/src/test/thread/thread_test.c"],
+AC_RUN_IFELSE(
+ [AC_LANG_SOURCE([[#include "$srcdir/src/test/thread/thread_test.c"]])],
[AC_MSG_RESULT(yes)],
[AC_MSG_RESULT(no)
AC_MSG_ERROR([thread test program failed
tr '.' ' ' |
$AWK '{printf "%d%02d%02d", $1, $2, (NF >= 3) ? $3 : 0}'`"]
AC_DEFINE_UNQUOTED(PG_VERSION_NUM, $PG_VERSION_NUM, [PostgreSQL version as a number])
+AC_SUBST(PG_VERSION_NUM)
# Begin output steps