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| author | Tom Lane <tgl@sss.pgh.pa.us> | 2007-09-11 19:50:25 +0000 |
|---|---|---|
| committer | Tom Lane <tgl@sss.pgh.pa.us> | 2007-09-11 19:50:25 +0000 |
| commit | 861f7357b9afbe64a0d9216d2ebb1925ab1dbd4a (patch) | |
| tree | 965546c3158da51e84f843b51537df0704ca9308 | |
| parent | 16f8a9e4e1986d570069d7595b1548cda3d0dd2a (diff) | |
| download | postgresql-861f7357b9afbe64a0d9216d2ebb1925ab1dbd4a.tar.gz postgresql-861f7357b9afbe64a0d9216d2ebb1925ab1dbd4a.zip | |
Give ICC its preferred, documented form of the no-strict-aliasing
switch, viz '-fno-alias'. Since we have a separate code path here
anyway, it's just as easy to cooperate.
| -rwxr-xr-x | configure | 8 | ||||
| -rw-r--r-- | configure.in | 6 |
2 files changed, 7 insertions, 7 deletions
diff --git a/configure b/configure index f814cfb1548..4a88b724c31 100755 --- a/configure +++ b/configure @@ -3120,11 +3120,11 @@ echo "${ECHO_T}no" >&6 fi rm -f conftest.err conftest.$ac_objext conftest.$ac_ext - # Not clear if this is needed, but seems like a good idea - echo "$as_me:$LINENO: checking if $CC supports -fno-strict-aliasing" >&5 -echo $ECHO_N "checking if $CC supports -fno-strict-aliasing... $ECHO_C" >&6 + # ICC prefers to spell the no-strict-aliasing switch like this + echo "$as_me:$LINENO: checking if $CC supports -fno-alias" >&5 +echo $ECHO_N "checking if $CC supports -fno-alias... $ECHO_C" >&6 pgac_save_CFLAGS=$CFLAGS -CFLAGS="$pgac_save_CFLAGS -fno-strict-aliasing" +CFLAGS="$pgac_save_CFLAGS -fno-alias" cat >conftest.$ac_ext <<_ACEOF /* confdefs.h. */ _ACEOF diff --git a/configure.in b/configure.in index 5b13961f6e3..15cd2dc962a 100644 --- a/configure.in +++ b/configure.in @@ -1,5 +1,5 @@ dnl Process this file with autoconf to produce a configure script. -dnl $PostgreSQL: pgsql/configure.in,v 1.524 2007/08/20 08:53:12 petere Exp $ +dnl $PostgreSQL: pgsql/configure.in,v 1.525 2007/09/11 19:50:25 tgl Exp $ dnl dnl Developers, please strive to achieve this order: dnl @@ -291,8 +291,8 @@ elif test "$ICC" = yes; then # Intel's compiler has a bug/misoptimization in checking for # division by NAN (NaN == 0), -mp1 fixes it, so add it to the CFLAGS. PGAC_PROG_CC_CFLAGS_OPT([-mp1]) - # Not clear if this is needed, but seems like a good idea - PGAC_PROG_CC_CFLAGS_OPT([-fno-strict-aliasing]) + # ICC prefers to spell the no-strict-aliasing switch like this + PGAC_PROG_CC_CFLAGS_OPT([-fno-alias]) elif test x"${CC}" = x"xlc"; then # AIX xlc has to have strict aliasing turned off too PGAC_PROG_CC_CFLAGS_OPT([-qnoansialias]) |