From 51337c28d9eb91a7a2599d3515e9de734a3c02ee Mon Sep 17 00:00:00 2001
From: Jeff Law <law@redhat.com>
Date: Tue, 21 Jul 2020 00:58:44 -0600
Subject: [PATCH] Fix more broken configure files

---
 gdb-config.patch | 36 ++++++++++++++++++++++++++++++++++--
 1 file changed, 34 insertions(+), 2 deletions(-)

diff --git a/gdb-config.patch b/gdb-config.patch
index 982037b..b26d668 100644
--- a/gdb-config.patch
+++ b/gdb-config.patch
@@ -11,8 +11,8 @@ diff -Nrup a/gnulib/import/m4/alloca.m4 b/gnulib/import/m4/alloca.m4
  {
    int dir, dummy = 0;
 diff -Nrup a/libiberty/aclocal.m4 b/libiberty/aclocal.m4
---- a/libiberty/aclocal.m4	2019-11-18 18:49:21.000000000 -0700
-+++ b/libiberty/aclocal.m4	2020-01-11 01:08:23.142342127 -0700
+--- a/libiberty/aclocal.m4	2019-01-19 09:01:34.000000000 -0700
++++ b/libiberty/aclocal.m4	2020-01-09 22:00:27.183312982 -0700
 @@ -147,7 +147,7 @@ if test $ac_cv_os_cray = yes; then
  fi
  
@@ -22,3 +22,35 @@ diff -Nrup a/libiberty/aclocal.m4 b/libiberty/aclocal.m4
  {
    static char *addr = 0;
    auto char dummy;
+diff --git a/config/intdiv0.m4 b/config/intdiv0.m4
+index 55dddcf1..ba906efc 100644
+--- a/config/intdiv0.m4
++++ b/config/intdiv0.m4
+@@ -31,10 +31,10 @@ sigfpe_handler (sig) int sig;
+   exit (sig != SIGFPE);
+ }
+ 
+-int x = 1;
+-int y = 0;
+-int z;
+-int nan;
++volatile int x = 1;
++volatile int y = 0;
++volatile int z;
++volatile int nan;
+ 
+ int main ()
+ {
+diff --git a/libiberty/configure.ac b/libiberty/configure.ac
+index f1ce7601..fc20d228 100644
+--- a/libiberty/configure.ac
++++ b/libiberty/configure.ac
+@@ -661,7 +661,7 @@ if test -z "${setobjs}"; then
+   for v in $vars; do
+     AC_MSG_CHECKING([for $v])
+     AC_CACHE_VAL(libiberty_cv_var_$v,
+-      [AC_LINK_IFELSE([AC_LANG_PROGRAM([[int *p;]],[[extern int $v []; p = $v;]])],
++      [AC_LINK_IFELSE([AC_LANG_PROGRAM([[__attribute__ ((used)) int *p;]],[[extern int $v []; p = $v;]])],
+ 		      [eval "libiberty_cv_var_$v=yes"],
+ 		      [eval "libiberty_cv_var_$v=no"])])
+     if eval "test \"`echo '$libiberty_cv_var_'$v`\" = yes"; then