dnl
m4_pattern_forbid(^PGAC_)dnl to catch undefined macros
-AC_INIT([PostgreSQL], [9.5devel], [pgsql-bugs@postgresql.org])
+AC_INIT([PostgreSQL], [10devel], [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) 1996-2017, 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(configure_args, [$ac_configure_args])
-[PG_MAJORVERSION=`expr "$PACKAGE_VERSION" : '\([0-9][0-9]*\.[0-9][0-9]*\)'`]
+[PG_MAJORVERSION=`expr "$PACKAGE_VERSION" : '\([0-9][0-9]*\)'`]
AC_SUBST(PG_MAJORVERSION)
AC_DEFINE_UNQUOTED(PG_MAJORVERSION, "$PG_MAJORVERSION", [PostgreSQL major version as a string])
mingw*) template=win32 ;;
netbsd*) template=netbsd ;;
openbsd*) template=openbsd ;;
- sco*) template=sco ;;
solaris*) template=solaris ;;
- sysv5*) template=unixware ;;
esac
if test x"$template" = x"" ; then
[Define to the default TCP port number as a string constant.])
AC_SUBST(default_port)
+# It's worth validating port; you can get very confusing errors otherwise
+if test x"$default_port" = x""; then
+ AC_MSG_ERROR([invalid --with-pgport specification: empty string])
+elif test ! x`echo "$default_port" | sed -e 's/[[0-9]]*//'` = x""; then
+ AC_MSG_ERROR([invalid --with-pgport specification: must be a number])
+elif test ! x`echo "$default_port" | sed -e 's/^0.//'` = x"$default_port"; then
+ AC_MSG_ERROR([invalid --with-pgport specification: must not have leading 0])
+elif test "$default_port" -lt "1" -o "$default_port" -gt "65535"; then
+ AC_MSG_ERROR([invalid --with-pgport specification: must be between 1 and 65535])
+fi
+
#
# '-rpath'-like feature can be disabled
#
PGAC_ARG_BOOL(enable, atomics, yes,
[do not use atomic operations])
+#
+# Random number generation
+#
+PGAC_ARG_BOOL(enable, strong-random, yes,
+ [do not use a strong random number source])
+AC_SUBST(enable_strong_random)
+
#
# --enable-debug adds -g to compiler flags
#
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_MSG_RESULT([$with_pam])
+#
+# BSD AUTH
+#
+AC_MSG_CHECKING([whether to build with BSD Authentication support])
+PGAC_ARG_BOOL(with, bsd-auth, no,
+ [build with BSD Authentication support],
+ [AC_DEFINE([USE_BSD_AUTH], 1, [Define to 1 to build with BSD Authentication support. (--with-bsd-auth)])])
+AC_MSG_RESULT([$with_bsd_auth])
+
+
#
# LDAP
#
AC_SUBST(with_selinux)
AC_MSG_RESULT([$with_selinux])
+#
+# Systemd
+#
+AC_MSG_CHECKING([whether to build with systemd support])
+PGAC_ARG_BOOL(with, systemd, no, [build with systemd support],
+ [AC_DEFINE([USE_SYSTEMD], 1, [Define to build with systemd support. (--with-systemd)])])
+AC_SUBST(with_systemd)
+AC_MSG_RESULT([$with_systemd])
+
#
# Readline
#
PGAC_PROG_LD
AC_SUBST(LD)
AC_SUBST(with_gnu_ld)
-case $host_os in sysv5*)
- AC_CACHE_CHECK([whether ld -R works], [pgac_cv_prog_ld_R],
- [
- pgac_save_LDFLAGS=$LDFLAGS; LDFLAGS="$LDFLAGS -Wl,-R/usr/lib"
- AC_TRY_LINK([], [], [pgac_cv_prog_ld_R=yes], [pgac_cv_prog_ld_R=no])
- LDFLAGS=$pgac_save_LDFLAGS
- ])
- ld_R_works=$pgac_cv_prog_ld_R
- AC_SUBST(ld_R_works)
-esac
AC_PROG_RANLIB
PGAC_CHECK_STRIP
AC_CHECK_TOOL(AR, ar, ar)
AC_MSG_ERROR([Perl not found])
fi
PGAC_CHECK_PERL_CONFIGS([archlibexp,privlibexp,useshrplib])
+ if test "$perl_useshrplib" != yes && test "$perl_useshrplib" != true; then
+ AC_MSG_ERROR([cannot build PL/Perl because libperl is not a shared library
+You might have to rebuild your Perl installation. Refer to the
+documentation for details. Use --without-perl to disable building
+PL/Perl.])
+ fi
PGAC_CHECK_PERL_EMBED_LDFLAGS
fi
fi
fi
+#
+# Pthreads
+#
+# For each platform, we need to know about any special compile and link
+# libraries, and whether the normal C function names are thread-safe.
+# See the comment at the top of src/port/thread.c for more information.
+# WIN32 doesn't need the pthread tests; it always uses threads
+#
+# These tests are run before the library-tests, because linking with the
+# other libraries can pull in the pthread functions as a side-effect. We
+# want to use the -pthread or similar flags directly, and not rely on
+# the side-effects of linking with some other library.
+#
+# note: We have to use AS_IF here rather than plain if. The AC_CHECK_HEADER
+# invocation below is the first one in the script, and autoconf generates
+# additional code for that, which must not be inside the if-block. AS_IF
+# knows how to do that.
+AS_IF([test "$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="$_LIBS"
+
+], [ # else
+# do not use values from template file
+PTHREAD_CFLAGS=
+PTHREAD_LIBS=
+]) # fi
+
+AC_SUBST(PTHREAD_CFLAGS)
+AC_SUBST(PTHREAD_LIBS)
+
##
## Libraries
AC_SEARCH_LIBS(crypt, crypt)
AC_SEARCH_LIBS(shm_open, rt)
AC_SEARCH_LIBS(shm_unlink, rt)
+AC_SEARCH_LIBS(clock_gettime, [rt posix4])
# Solaris:
AC_SEARCH_LIBS(fdatasync, [rt posix4])
+# Required for thread_test.c on Solaris
+AC_SEARCH_LIBS(sched_yield, rt)
# Required for thread_test.c on Solaris 2.5:
# Other ports use it too (HP-UX) so test unconditionally
AC_SEARCH_LIBS(gethostbyname_r, nsl)
dnl Order matters!
if test "$PORTNAME" != "win32"; then
AC_CHECK_LIB(crypto, CRYPTO_new_ex_data, [], [AC_MSG_ERROR([library 'crypto' is required for OpenSSL])])
- AC_CHECK_LIB(ssl, SSL_library_init, [], [AC_MSG_ERROR([library 'ssl' is required for OpenSSL])])
+ AC_CHECK_LIB(ssl, SSL_new, [], [AC_MSG_ERROR([library 'ssl' is required for OpenSSL])])
else
AC_SEARCH_LIBS(CRYPTO_new_ex_data, eay32 crypto, [], [AC_MSG_ERROR([library 'eay32' or 'crypto' is required for OpenSSL])])
- AC_SEARCH_LIBS(SSL_library_init, ssleay32 ssl, [], [AC_MSG_ERROR([library 'ssleay32' or 'ssl' is required for OpenSSL])])
+ AC_SEARCH_LIBS(SSL_new, ssleay32 ssl, [], [AC_MSG_ERROR([library 'ssleay32' or 'ssl' is required for OpenSSL])])
fi
AC_CHECK_FUNCS([SSL_get_current_compression])
+ # Functions introduced in OpenSSL 1.1.0. We used to check for
+ # OPENSSL_VERSION_NUMBER, but that didn't work with 1.1.0, because LibreSSL
+ # defines OPENSSL_VERSION_NUMBER to claim version 2.0.0, even though it
+ # doesn't have these OpenSSL 1.1.0 functions. So check for individual
+ # functions.
+ AC_CHECK_FUNCS([OPENSSL_init_ssl BIO_get_data BIO_meth_new ASN1_STRING_get0_data RAND_OpenSSL])
+ # OpenSSL versions before 1.1.0 required setting callback functions, for
+ # thread-safety. In 1.1.0, it's no longer required, and CRYPTO_lock()
+ # function was removed.
+ AC_CHECK_FUNCS([CRYPTO_lock])
fi
if test "$with_pam" = yes ; then
AC_CHECK_LIB(xslt, xsltCleanupGlobals, [], [AC_MSG_ERROR([library 'xslt' is required for XSLT support])])
fi
+# Note: We can test for libldap_r only after we know PTHREAD_LIBS
+if test "$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 "$with_selinux" = yes; then
AC_CHECK_LIB(selinux, security_compute_create_name, [],
[UUID_LIBS=""],
[AC_MSG_ERROR([BSD UUID functions are not present])])
elif test "$with_uuid" = e2fs ; then
- # On OS X, the UUID functions are in libc
+ # On macOS, the UUID functions are in libc
AC_CHECK_FUNC(uuid_generate,
[UUID_LIBS=""],
[AC_CHECK_LIB(uuid, uuid_generate,
##
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 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])
+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/epoll.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.
[AC_MSG_ERROR([header file <security/pam_appl.h> or <pam/pam_appl.h> is required for PAM.])])])
fi
+if test "$with_bsd_auth" = yes ; then
+ AC_CHECK_HEADER(bsd_auth.h, [], [AC_MSG_ERROR([header file <bsd_auth.h> is required for BSD Authentication support])])
+fi
+
+if test "$with_systemd" = yes ; then
+ AC_CHECK_HEADER(systemd/sd-daemon.h, [], [AC_MSG_ERROR([header file <systemd/sd-daemon.h> is required for systemd support])])
+fi
+
if test "$with_libxml" = yes ; then
AC_CHECK_HEADER(libxml/parser.h, [], [AC_MSG_ERROR([header file <libxml/parser.h> is required for XML support])])
fi
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_BSWAP64
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])
if test "$PORTNAME" != "win32"; then
AC_SYS_LARGEFILE
dnl Autoconf 2.69's AC_SYS_LARGEFILE believes it's a good idea to #define
- dnl _DARWIN_USE_64_BIT_INODE, but it isn't: on OS X 10.5 that activates a
- dnl bug that causes readdir() to sometimes return EINVAL. On later OS X
+ dnl _DARWIN_USE_64_BIT_INODE, but it isn't: on macOS 10.5 that activates a
+ dnl bug that causes readdir() to sometimes return EINVAL. On later macOS
dnl versions where the feature actually works, it's on by default anyway.
AH_VERBATIM([_DARWIN_USE_64_BIT_INODE],[])
fi
PGAC_VAR_INT_TIMEZONE
AC_FUNC_ACCEPT_ARGTYPES
PGAC_FUNC_GETTIMEOFDAY_1ARG
+PGAC_FUNC_WCSTOMBS_L
# Some versions of libedit contain strlcpy(), setproctitle(), and other
# symbols that that library has no business exposing to the world. Pending
LIBS_including_readline="$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 clock_gettime 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 $host_os in
AC_CHECK_DECLS(fdatasync, [], [], [#include <unistd.h>])
AC_CHECK_DECLS([strlcat, strlcpy])
-# This is probably only present on Darwin, but may as well check always
+# This is probably only present on macOS, but may as well check always
AC_CHECK_DECLS(F_FULLFSYNC, [], [], [#include <fcntl.h>])
HAVE_IPV6=no
AC_SUBST(HAVE_IPV6)
AC_CACHE_CHECK([for PS_STRINGS], [pgac_cv_var_PS_STRINGS],
-[AC_TRY_LINK(
+[AC_LINK_IFELSE([AC_LANG_PROGRAM(
[#include <machine/vmparam.h>
#include <sys/exec.h>
],
[PS_STRINGS->ps_nargvstr = 1;
-PS_STRINGS->ps_argvstr = "foo";],
+PS_STRINGS->ps_argvstr = "foo";])],
[pgac_cv_var_PS_STRINGS=yes],
[pgac_cv_var_PS_STRINGS=no])])
if test "$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 "$PORTNAME" = "win32"; then
AC_REPLACE_FUNCS(gettimeofday)
+ AC_LIBOBJ(dirmod)
AC_LIBOBJ(kill)
AC_LIBOBJ(open)
AC_LIBOBJ(system)
AC_LIBOBJ(win32env)
AC_LIBOBJ(win32error)
+ AC_LIBOBJ(win32security)
AC_LIBOBJ(win32setlocale)
AC_DEFINE([HAVE_SYMLINK], 1,
[Define to 1 if you have the `symlink' function.])
AC_SUBST(have_win32_dbghelp,no)
fi
-dnl Cannot use AC_CHECK_FUNC because sigsetjmp may be a macro
-dnl (especially on GNU libc)
-dnl See also comments in c.h.
-AC_CACHE_CHECK([for sigsetjmp], pgac_cv_func_sigsetjmp,
-[AC_TRY_LINK([#include <setjmp.h>],
- [sigjmp_buf x; sigsetjmp(x, 1);],
- [pgac_cv_func_sigsetjmp=yes],
- [pgac_cv_func_sigsetjmp=no])])
-if test x"$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"$pgac_cv_var_int_optreset" = x"yes"; then
if test "$with_readline" = yes; then
PGAC_VAR_RL_COMPLETION_APPEND_CHARACTER
- AC_CHECK_FUNCS([rl_completion_matches rl_filename_completion_function])
+ AC_CHECK_FUNCS([rl_completion_matches rl_filename_completion_function rl_reset_screen_size])
AC_CHECK_FUNCS([append_history history_truncate_file])
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"$USE_SSE42_CRC32C_WITH_RUNTIME_CHECK" = x"1"; then
+ AC_DEFINE(USE_SSE42_CRC32C_WITH_RUNTIME_CHECK, 1, [Define to 1 to use Intel SSSE 4.2 CRC instructions with a runtime check.])
+ PG_CRC32C_OBJS="pg_crc32c_sse42.o pg_crc32c_sb8.o pg_crc32c_choose.o"
+ AC_MSG_RESULT(SSE 4.2 with runtime check)
+ else
+ AC_DEFINE(USE_SLICING_BY_8_CRC32C, 1, [Define to 1 to use Intel SSE 4.2 CRC instructions with a runtime check.])
+ PG_CRC32C_OBJS="pg_crc32c_sb8.o"
+ AC_MSG_RESULT(slicing-by-8)
+ fi
fi
+AC_SUBST(PG_CRC32C_OBJS)
# Select semaphore implementation type.
if test "$PORTNAME" != "win32"; then
+ if test x"$PREFERRED_SEMAPHORES" = x"NAMED_POSIX" ; then
+ # Need sem_open for this
+ AC_SEARCH_LIBS(sem_open, [rt pthread], [USE_NAMED_POSIX_SEMAPHORES=1])
+ fi
+ if test x"$PREFERRED_SEMAPHORES" = x"UNNAMED_POSIX" ; then
+ # Need sem_init for this
+ AC_SEARCH_LIBS(sem_init, [rt pthread], [USE_UNNAMED_POSIX_SEMAPHORES=1])
+ fi
+ AC_MSG_CHECKING([which semaphore API to use])
if test x"$USE_NAMED_POSIX_SEMAPHORES" = x"1" ; then
AC_DEFINE(USE_NAMED_POSIX_SEMAPHORES, 1, [Define to select named POSIX semaphores.])
SEMA_IMPLEMENTATION="src/backend/port/posix_sema.c"
+ sematype="named POSIX"
else
if test x"$USE_UNNAMED_POSIX_SEMAPHORES" = x"1" ; then
AC_DEFINE(USE_UNNAMED_POSIX_SEMAPHORES, 1, [Define to select unnamed POSIX semaphores.])
SEMA_IMPLEMENTATION="src/backend/port/posix_sema.c"
+ sematype="unnamed POSIX"
else
AC_DEFINE(USE_SYSV_SEMAPHORES, 1, [Define to select SysV-style semaphores.])
SEMA_IMPLEMENTATION="src/backend/port/sysv_sema.c"
+ sematype="System V"
fi
fi
+ AC_MSG_RESULT([$sematype])
else
AC_DEFINE(USE_WIN32_SEMAPHORES, 1, [Define to select Win32-style semaphores.])
SEMA_IMPLEMENTATION="src/backend/port/win32_sema.c"
SHMEM_IMPLEMENTATION="src/backend/port/win32_shmem.c"
fi
-# Select latch implementation type.
-if test "$PORTNAME" != "win32"; then
- LATCH_IMPLEMENTATION="src/backend/port/unix_latch.c"
+# Select random number source
+#
+# You can override this logic by setting the appropriate USE_*RANDOM flag to 1
+# 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"$with_openssl" = x"yes" ; then
+ USE_OPENSSL_RANDOM=1
+ elif test "$PORTNAME" = "win32" ; then
+ USE_WIN32_RANDOM=1
+ else
+ AC_CHECK_FILE([/dev/urandom], [], [])
+
+ if test x"$ac_cv_file__dev_urandom" = x"yes" ; then
+ USE_DEV_URANDOM=1
+ fi
+ fi
+fi
+
+AC_MSG_CHECKING([which random number source to use])
+if test "$enable_strong_random" = yes ; then
+ if test x"$USE_OPENSSL_RANDOM" = x"1" ; then
+ AC_DEFINE(USE_OPENSSL_RANDOM, 1, [Define to use OpenSSL for random number generation])
+ AC_MSG_RESULT([OpenSSL])
+ elif test x"$USE_WIN32_RANDOM" = x"1" ; then
+ AC_DEFINE(USE_WIN32_RANDOM, 1, [Define to use native Windows API for random number generation])
+ AC_MSG_RESULT([Windows native])
+ elif test x"$USE_DEV_URANDOM" = x"1" ; then
+ AC_DEFINE(USE_DEV_URANDOM, 1, [Define to use /dev/urandom for random number generation])
+ AC_MSG_RESULT([/dev/urandom])
+ else
+ AC_MSG_ERROR([
+no source of strong random numbers was found
+PostgreSQL can use OpenSSL or /dev/urandom as a source of random numbers,
+for authentication protocols. You can use --disable-strong-random to use a
+built-in pseudo random number generator, but that may be insecure.])
+ fi
+ AC_DEFINE(HAVE_STRONG_RANDOM, 1, [Define to use have a strong random number source])
else
- LATCH_IMPLEMENTATION="src/backend/port/win32_latch.c"
+ AC_MSG_RESULT([weak builtin PRNG])
+ AC_MSG_WARN([
+*** Not using a strong random number source may be insecure.])
fi
# If not set in template file, set bytes to use libc memset()
if test "$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="$perl_embed_ldflags"
AC_MSG_CHECKING([for libperl])
- AC_TRY_LINK([
+ AC_LINK_IFELSE([AC_LANG_PROGRAM([
#include <EXTERN.h>
#include <perl.h>
-], [perl_alloc();],
+], [perl_alloc();])],
[AC_MSG_RESULT(yes)],
[AC_MSG_RESULT(no)
AC_MSG_ERROR([libperl library is required for Perl])])
#
# Check for test tools
#
-AC_CHECK_PROGS(PROVE, prove)
+if test "$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, $PG_VERSION_NUM, [PostgreSQL version as a number])
+AC_SUBST(PG_VERSION_NUM)
# Begin output steps
src/backend/port/dynloader.c:src/backend/port/dynloader/${template}.c
src/backend/port/pg_sema.c:${SEMA_IMPLEMENTATION}
src/backend/port/pg_shmem.c:${SHMEM_IMPLEMENTATION}
- src/backend/port/pg_latch.c:${LATCH_IMPLEMENTATION}
src/include/dynloader.h:src/backend/port/dynloader/${template}.h
src/include/pg_config_os.h:src/include/port/${template}.h
src/Makefile.port:src/makefiles/Makefile.${template}