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AIX: Test the -qlonglong option before use.

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xlc provides "long long" unconditionally at C99-compatible language
levels, and this option provokes a warning.  The warning interferes with
"configure" tests that fail in response to any warning.  Notably, before
commit 85a2a8903f, it interfered with the
test for -qnoansialias.  Back-patch to 9.0 (all supported versions).
This commit is contained in:
Noah Misch
2015-07-17 03:01:14 -04:00
parent 36522d6276
commit cdf596b1ce
3 changed files with 52 additions and 1 deletions
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50
configure vendored
View File

@ -4459,6 +4459,56 @@ sed 's/^/| /' conftest.$ac_ext >&5
$as_echo "no" >&6; }
fi
rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
{ $as_echo "$as_me:$LINENO: checking if $CC supports -qlonglong" >&5
$as_echo_n "checking if $CC supports -qlonglong... " >&6; }
pgac_save_CFLAGS=$CFLAGS
CFLAGS="$pgac_save_CFLAGS -qlonglong"
cat >conftest.$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.$ac_objext
if { (ac_try="$ac_compile"
case "(($ac_try" in
*\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
*) ac_try_echo=$ac_try;;
esac
eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
$as_echo "$ac_try_echo") >&5
(eval "$ac_compile") 2>conftest.er1
ac_status=$?
grep -v '^ *+' conftest.er1 >conftest.err
rm -f conftest.er1
cat conftest.err >&5
$as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
(exit $ac_status); } && {
test -z "$ac_c_werror_flag" ||
test ! -s conftest.err
} && test -s conftest.$ac_objext; then
{ $as_echo "$as_me:$LINENO: result: yes" >&5
$as_echo "yes" >&6; }
else
$as_echo "$as_me: failed program was:" >&5
sed 's/^/| /' conftest.$ac_ext >&5
CFLAGS="$pgac_save_CFLAGS"
{ $as_echo "$as_me:$LINENO: result: no" >&5
$as_echo "no" >&6; }
fi
rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
fi

1
configure.in
View File

@ -447,6 +447,7 @@ elif test "$ICC" = yes; then
elif test "$PORTNAME" = "aix"; then
# AIX's xlc has to have strict aliasing turned off too
PGAC_PROG_CC_CFLAGS_OPT([-qnoansialias])
PGAC_PROG_CC_CFLAGS_OPT([-qlonglong])
fi
# supply -g if --enable-debug

2
src/template/aix
View File

@ -7,7 +7,7 @@ if test "$GCC" != yes ; then
CFLAGS="-O -qmaxmem=16384 -qsrcmsg"
;;
*)
CFLAGS="-O2 -qmaxmem=16384 -qsrcmsg -qlonglong"
CFLAGS="-O2 -qmaxmem=16384 -qsrcmsg"
;;
esac
fi