Revert ill-starred change to ICC anti-aliasing switches. Per

Jeremy Drake.
This commit is contained in:
Tom Lane 2007-09-12 14:28:55 +00:00
parent 6ee3b2dfe4
commit e435bddb9c
2 changed files with 7 additions and 7 deletions

8
configure vendored
View File

@ -3120,11 +3120,11 @@ echo "${ECHO_T}no" >&6
fi
rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
# ICC prefers to spell the no-strict-aliasing switch like this
echo "$as_me:$LINENO: checking if $CC supports -fno-alias" >&5
echo $ECHO_N "checking if $CC supports -fno-alias... $ECHO_C" >&6
# Make sure strict aliasing is off (though this is said to be the default)
echo "$as_me:$LINENO: checking if $CC supports -fno-strict-aliasing" >&5
echo $ECHO_N "checking if $CC supports -fno-strict-aliasing... $ECHO_C" >&6
pgac_save_CFLAGS=$CFLAGS
CFLAGS="$pgac_save_CFLAGS -fno-alias"
CFLAGS="$pgac_save_CFLAGS -fno-strict-aliasing"
cat >conftest.$ac_ext <<_ACEOF
/* confdefs.h. */
_ACEOF

View File

@ -1,5 +1,5 @@
dnl Process this file with autoconf to produce a configure script.
dnl $PostgreSQL: pgsql/configure.in,v 1.525 2007/09/11 19:50:25 tgl Exp $
dnl $PostgreSQL: pgsql/configure.in,v 1.526 2007/09/12 14:28:55 tgl Exp $
dnl
dnl Developers, please strive to achieve this order:
dnl
@ -291,8 +291,8 @@ elif test "$ICC" = yes; then
# Intel's compiler has a bug/misoptimization in checking for
# division by NAN (NaN == 0), -mp1 fixes it, so add it to the CFLAGS.
PGAC_PROG_CC_CFLAGS_OPT([-mp1])
# ICC prefers to spell the no-strict-aliasing switch like this
PGAC_PROG_CC_CFLAGS_OPT([-fno-alias])
# Make sure strict aliasing is off (though this is said to be the default)
PGAC_PROG_CC_CFLAGS_OPT([-fno-strict-aliasing])
elif test x"${CC}" = x"xlc"; then
# AIX xlc has to have strict aliasing turned off too
PGAC_PROG_CC_CFLAGS_OPT([-qnoansialias])