45 lines
1.4 KiB
Diff
45 lines
1.4 KiB
Diff
diff -Nrup a/libiberty/aclocal.m4 b/libiberty/aclocal.m4
|
|
--- 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 $ac_cv_os_cray = yes; then
|
|
fi
|
|
|
|
AC_CACHE_CHECK(stack direction for C alloca, ac_cv_c_stack_direction,
|
|
-[AC_TRY_RUN([find_stack_direction ()
|
|
+[AC_TRY_RUN([__attribute__ ((noclone,noinline)) find_stack_direction ()
|
|
{
|
|
static char *addr = 0;
|
|
auto char dummy;
|
|
diff --git a/config/intdiv0.m4 b/config/intdiv0.m4
|
|
index 55dddcf1..ba906efc 100644
|
|
--- a/config/intdiv0.m4
|
|
+++ b/config/intdiv0.m4
|
|
@@ -31,10 +31,10 @@ sigfpe_handler (sig) int sig;
|
|
exit (sig != SIGFPE);
|
|
}
|
|
|
|
-int x = 1;
|
|
-int y = 0;
|
|
-int z;
|
|
-int nan;
|
|
+volatile int x = 1;
|
|
+volatile int y = 0;
|
|
+volatile int z;
|
|
+volatile int nan;
|
|
|
|
int main ()
|
|
{
|
|
diff --git a/libiberty/configure.ac b/libiberty/configure.ac
|
|
index f1ce7601..fc20d228 100644
|
|
--- a/libiberty/configure.ac
|
|
+++ b/libiberty/configure.ac
|
|
@@ -661,7 +661,7 @@ if test -z "${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
|