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Make libpq thread-safe with configure --with-threads option.

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Lee Kindness
This commit is contained in:
Bruce Momjian
2003-06-14 17:49:54 +00:00
parent 62b532b736
commit a16a031411
10 changed files with 146 additions and 71 deletions
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26
configure.in
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@ -1,5 +1,5 @@
dnl Process this file with autoconf to produce a configure script.
dnl $Header: /cvsroot/pgsql/configure.in,v 1.262 2003/06/14 14:35:42 momjian Exp $
dnl $Header: /cvsroot/pgsql/configure.in,v 1.263 2003/06/14 17:49:53 momjian Exp $
dnl
dnl Developers, please strive to achieve this order:
dnl
@ -554,18 +554,28 @@ AC_SUBST(ELF_SYS)
#
# 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.
#
NEED_REENTRANT_FUNC_NAMES=no
if test "$with_threads" = yes; then
AC_CHECK_HEADER(pthread.h, [], [AC_MSG_ERROR([pthread.h not found, required for --with-threads])])
case $host_os in
netbsd*|bsdi*)
netbsd*|bsdi*)
# these require no special flags or libraries
NEED_REENTRANT_FUNC_NAMES=no
;;
freebsd2*|freebsd3*|freebsd4*)
THREAD_CFLAGS="-pthread"
NEED_REENTRANT_FUNC_NAMES=yes
;;
freebsd2*|freebsd3*|freebsd4*) THREAD_CFLAGS="-pthread" ;;
freebsd*)
THREAD_LIBS="-lc_r"
NEED_REENTRANT_FUNC_NAMES=yes
;;
linux*) THREAD_CFLAGS="-D_REENTRANT -D_THREAD_SAFE -D_POSIX_PTHREAD_SEMANTICS"
THREAD_LIBS="-lpthread"
NEED_REENTRANT_FUNC_NAMES=yes
;;
*)
# other operating systems might fail because they have pthread.h but need
@ -991,8 +1001,14 @@ AC_FUNC_FSEEKO
#
# Check for re-entrant versions of certain functions
#
# Include special flags if required
# Include special flags if threads are enabled _and_ if required for
# threading on this platform. Some platforms have *_r functions but
# their natively named funcs are threadsafe, and should be used instead.
#
# One trick here is that if the don't call AC_CHECK_FUNCS, the
# functions are marked "not found", which is perfect.
#
if test "$NEED_REENTRANT_FUNC_NAMES" = yes ; then
_CFLAGS="$CFLAGS"
_LIB="$LIBS"
CFLAGS="$CFLAGS $TREAD_CFLAGS"
@ -1000,7 +1016,7 @@ LIBS="$LIBS $THREAD_LIBS"
AC_CHECK_FUNCS([strerror_r getpwuid_r gethostbyname_r])
CFLAGS="$_CFLAGS"
LIB="$_LIBS"
fi
# This test makes sure that run tests work at all. Sometimes a shared