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Commit61091ec

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Intel compiler has a bug/misoptimization in checking for division by NAN
(NaN == 0), -mp1 fixes it, so add it to the CFLAGS. Autoconf run.Jeremy Drake
1 parenta1ee621 commit61091ec

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2 files changed

+63
-1
lines changed

2 files changed

+63
-1
lines changed

‎configure

Lines changed: 57 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -2871,6 +2871,63 @@ else
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echo "$as_me: failed program was:" >&5
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sed 's/^/| /' conftest.$ac_ext >&5
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CFLAGS="$pgac_save_CFLAGS"
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echo "$as_me:$LINENO: result: no" >&5
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echo "${ECHO_T}no" >&6
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fi
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rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
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else
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# Intel compiler has a bug/misoptimization in checking for
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# division by NAN (NaN == 0), -mp1 fixes it, so add it to the
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# CFLAGS.
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echo "$as_me:$LINENO: checking if $CC supports -mp1" >&5
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echo $ECHO_N "checking if $CC supports -mp1... $ECHO_C" >&6
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pgac_save_CFLAGS=$CFLAGS
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CFLAGS="$pgac_save_CFLAGS -mp1"
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cat >conftest.$ac_ext <<_ACEOF
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/* confdefs.h. */
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_ACEOF
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cat confdefs.h >>conftest.$ac_ext
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cat >>conftest.$ac_ext <<_ACEOF
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/* end confdefs.h. */
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int
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main ()
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{
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;
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return 0;
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}
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_ACEOF
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rm -f conftest.$ac_objext
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if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
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(eval $ac_compile) 2>conftest.er1
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ac_status=$?
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grep -v '^ *+' conftest.er1 >conftest.err
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rm -f conftest.er1
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cat conftest.err >&5
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echo "$as_me:$LINENO: \$? = $ac_status" >&5
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(exit $ac_status); } &&
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{ ac_try='test -z "$ac_c_werror_flag"
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|| test ! -s conftest.err'
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{ (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
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(eval $ac_try) 2>&5
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ac_status=$?
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echo "$as_me:$LINENO: \$? = $ac_status" >&5
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(exit $ac_status); }; } &&
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{ ac_try='test -s conftest.$ac_objext'
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{ (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
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(eval $ac_try) 2>&5
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ac_status=$?
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echo "$as_me:$LINENO: \$? = $ac_status" >&5
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(exit $ac_status); }; }; then
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echo "$as_me:$LINENO: result: yes" >&5
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echo "${ECHO_T}yes" >&6
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else
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echo "$as_me: failed program was:" >&5
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sed 's/^/| /' conftest.$ac_ext >&5
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CFLAGS="$pgac_save_CFLAGS"
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echo "$as_me:$LINENO: result: no" >&5
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echo "${ECHO_T}no" >&6

‎configure.in

Lines changed: 6 additions & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -1,5 +1,5 @@
11
dnl Process this file with autoconf to produce a configure script.
2-
dnl $PostgreSQL: pgsql/configure.in,v 1.461 2006/04/27 14:27:04 momjian Exp $
2+
dnl $PostgreSQL: pgsql/configure.in,v 1.462 2006/04/29 00:51:41 momjian Exp $
33
dnl
44
dnl Developers, please strive to achieve this order:
55
dnl
@@ -263,6 +263,11 @@ choke me
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# Check whether they are supported, and add them to CFLAGS if so.
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PGAC_PROG_CC_CFLAGS_OPT([-Wdeclaration-after-statement])
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PGAC_PROG_CC_CFLAGS_OPT([-Wendif-labels])
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else
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# Intel compiler has a bug/misoptimization in checking for
268+
# division by NAN (NaN == 0), -mp1 fixes it, so add it to the
269+
# CFLAGS.
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PGAC_PROG_CC_CFLAGS_OPT([-mp1])
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fi
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268273
# Disable strict-aliasing rules; needed for gcc 3.3+

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