index 24c0ef9532c8aefd0a54102dca508d69d40bbd35..2017d7fd7914f6c5ca80f4c902724e7e9d09c541 100755 (executable)
# The Intel compiler on Linux supports most gcc options, but not
# all of them, so only add these options if we are really using
-# gcc. Intel compiler has a bug in checking for division by NAN
-# (NaN == 0), -mp1 fixes it, so someday we might way to add it.
+# gcc.
if test "$GCC" = yes; then
fi
rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
+elif test ${CC} = "xlc"; then
+ # AIX xlc has to have strict aliasing turned off too
+ echo "$as_me:$LINENO: checking if $CC supports -qnoansialias" >&5
+echo $ECHO_N "checking if $CC supports -qnoansialias... $ECHO_C" >&6
+pgac_save_CFLAGS=$CFLAGS
+CFLAGS="$pgac_save_CFLAGS -qnoansialias"
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h. */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h. */
+
+int
+main ()
+{
+
+ ;
+ return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext
+if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
+ (eval $ac_compile) 2>conftest.er1
+ ac_status=$?
+ grep -v '^ *+' conftest.er1 >conftest.err
+ rm -f conftest.er1
+ cat conftest.err >&5
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); } &&
+ { ac_try='test -z "$ac_c_werror_flag"
+ || test ! -s conftest.err'
+ { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+ (eval $ac_try) 2>&5
+ ac_status=$?
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); }; } &&
+ { ac_try='test -s conftest.$ac_objext'
+ { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+ (eval $ac_try) 2>&5
+ ac_status=$?
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); }; }; then
+ echo "$as_me:$LINENO: result: yes" >&5
+echo "${ECHO_T}yes" >&6
+else
+ echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+CFLAGS="$pgac_save_CFLAGS"
+ echo "$as_me:$LINENO: result: no" >&5
+echo "${ECHO_T}no" >&6
+fi
+rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
+
fi
# supply -g if --enable-debug
index 5dc39b7905f35c96c6e29902bf7a3e1a4f622eff..c5dc8c4fa5c1e355d06e96329116f7fbf62e4da9 100644 (file)
dnl Process this file with autoconf to produce a configure script.
-dnl $PostgreSQL: pgsql/configure.in,v 1.460 2006年04月22日 00:29:41 momjian Exp $
+dnl $PostgreSQL: pgsql/configure.in,v 1.461 2006年04月27日 14:27:04 momjian Exp $
dnl
dnl Developers, please strive to achieve this order:
dnl
# Disable strict-aliasing rules; needed for gcc 3.3+
PGAC_PROG_CC_CFLAGS_OPT([-fno-strict-aliasing])
+elif test ${CC} = "xlc"; then
+ # AIX xlc has to have strict aliasing turned off too
+ PGAC_PROG_CC_CFLAGS_OPT([-qnoansialias])
fi
# supply -g if --enable-debug