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Check for ignored thread compiler options to reduce compiler noise.

This commit is contained in:
Bruce Momjian 2004-09-11 00:03:06 +00:00
parent 8a54a51863
commit 8becd824aa
2 changed files with 42 additions and 14 deletions
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28
config/acx_pthread.m4
View File

@ -129,17 +129,31 @@ for flag in $acx_pthread_flags; do
pthread_create(0,0,0,0); pthread_cleanup_pop(0); ],
[acx_pthread_ok=yes], [acx_pthread_ok=no])
if test "x$acx_pthread_ok" = xyes; then
# Don't use options that are ignored by the compiler.
# We find them by checking stderror.
cat >conftest.$ac_ext <<_ACEOF
int
main ()
{
return 0;
}
_ACEOF
rm -f conftest.$ac_objext conftest$ac_exeext
if test "`(eval $ac_link 2>&1 >/dev/null)`" = ""; then
# we continue with more flags because Linux needs -lpthread
# for libpq builds on PostgreSQL. The test above only
# tests for building binaries, not shared libraries.
PTHREAD_LIBS=" $tryPTHREAD_LIBS $PTHREAD_LIBS"
PTHREAD_CFLAGS="$PTHREAD_CFLAGS $tryPTHREAD_CFLAGS"
else acx_pthread_ok=no
fi
fi
LIBS="$save_LIBS"
CFLAGS="$save_CFLAGS"
AC_MSG_RESULT($acx_pthread_ok)
if test "x$acx_pthread_ok" = xyes; then
# we continue with more flags because Linux needs -lpthread
# for libpq builds on PostgreSQL. The test above only
# tests for building binaries, not shared libraries.
PTHREAD_LIBS=" $tryPTHREAD_LIBS $PTHREAD_LIBS"
PTHREAD_CFLAGS="$PTHREAD_CFLAGS $tryPTHREAD_CFLAGS"
fi
done
fi

28
configure vendored
View File

@ -13325,18 +13325,32 @@ acx_pthread_ok=no
fi
rm -f conftest.$ac_objext conftest$ac_exeext conftest.$ac_ext
if test "x$acx_pthread_ok" = xyes; then
# Don't use options that are ignored by the compiler.
# We find them by checking stderror.
cat >conftest.$ac_ext <<_ACEOF
int
main ()
{
return 0;
}
_ACEOF
rm -f conftest.$ac_objext conftest$ac_exeext
if test "`(eval $ac_link 2>&1 >/dev/null)`" = ""; then
# we continue with more flags because Linux needs -lpthread
# for libpq builds on PostgreSQL. The test above only
# tests for building binaries, not shared libraries.
PTHREAD_LIBS=" $tryPTHREAD_LIBS $PTHREAD_LIBS"
PTHREAD_CFLAGS="$PTHREAD_CFLAGS $tryPTHREAD_CFLAGS"
else acx_pthread_ok=no
fi
fi
LIBS="$save_LIBS"
CFLAGS="$save_CFLAGS"
echo "$as_me:$LINENO: result: $acx_pthread_ok" >&5
echo "${ECHO_T}$acx_pthread_ok" >&6
if test "x$acx_pthread_ok" = xyes; then
# we continue with more flags because Linux needs -lpthread
# for libpq builds on PostgreSQL. The test above only
# tests for building binaries, not shared libraries.
PTHREAD_LIBS=" $tryPTHREAD_LIBS $PTHREAD_LIBS"
PTHREAD_CFLAGS="$PTHREAD_CFLAGS $tryPTHREAD_CFLAGS"
fi
done
fi