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Fix more broken configure files

This commit is contained in:
Jeff Law 2020-07-21 00:58:44 -06:00
parent 50ea6a9154
commit 51337c28d9
1 changed files with 34 additions and 2 deletions
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36
gdb-config.patch
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@ -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