Extend configure's __int128 test to check for a known gcc bug.

[postgresql] / config / libtool.m4

diff --git a/config/libtool.m4 b/config/libtool.m4
index de4bd25637caeb01bd548be947b0779f205f166e..f6e426dbdf106c8621dd79c56c7c959906c29c9b 100644 (file)
--- a/config/libtool.m4
+++ b/config/libtool.m4
@@ -28,16 +28,16 @@
 
 # ... bunch of stuff removed here ...
 
-# AC_PROG_LD - find the path to the GNU or non-GNU linker
-AC_DEFUN(AC_PROG_LD,
+# PGAC_PROG_LD - find the path to the GNU or non-GNU linker
+AC_DEFUN([PGAC_PROG_LD],
 [AC_ARG_WITH(gnu-ld,
-[  --with-gnu-ld           assume the C compiler uses GNU ld [default=no]],
+[  --with-gnu-ld           assume the C compiler uses GNU ld [[default=no]]],
 test "$withval" = no || with_gnu_ld=yes, with_gnu_ld=no)
 AC_REQUIRE([AC_PROG_CC])dnl
 AC_REQUIRE([AC_CANONICAL_HOST])dnl
 dnl ###not for PostgreSQL### AC_REQUIRE([AC_CANONICAL_BUILD])dnl
 ac_prog=ld
-if test "$ac_cv_prog_gcc" = yes; then
+if test "$GCC" = yes; then
   # Check if gcc -print-prog-name=ld gives a path.
   AC_MSG_CHECKING([for ld used by GCC])
   case $host in
@@ -102,10 +102,10 @@ else
   AC_MSG_RESULT(no)
 fi
 test -z "$LD" && AC_MSG_ERROR([no acceptable ld found in \$PATH])
-AC_PROG_LD_GNU
+PGAC_PROG_LD_GNU
 ])
 
-AC_DEFUN(AC_PROG_LD_GNU,
+AC_DEFUN([PGAC_PROG_LD_GNU],
 [AC_CACHE_CHECK([if the linker ($LD) is GNU ld], ac_cv_prog_gnu_ld,
 [# I'd rather use --version here, but apparently some GNU ld's only accept -v.
 if $LD -v 2>&1 </dev/null | egrep '(GNU|with BFD)' 1>&5; then