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-rwxr-xr-xsysdeps/unix/configure38
1 files changed, 31 insertions, 7 deletions
diff --git a/sysdeps/unix/configure b/sysdeps/unix/configure
index 75dc589..b910353 100755
--- a/sysdeps/unix/configure
+++ b/sysdeps/unix/configure
@@ -14,15 +14,28 @@ if eval "test \"\${$as_ac_var+set}\" = set"; then
echo $ECHO_N "(cached) $ECHO_C" >&6
else
cat >conftest.$ac_ext <<_ACEOF
-#line $LINENO "configure"
/* confdefs.h. */
_ACEOF
cat confdefs.h >>conftest.$ac_ext
cat >>conftest.$ac_ext <<_ACEOF
/* end confdefs.h. */
+/* Define $ac_func to an innocuous variant, in case <limits.h> declares $ac_func.
+ For example, HP-UX 11i <limits.h> declares gettimeofday. */
+#define $ac_func innocuous_$ac_func
+
/* System header to define __stub macros and hopefully few prototypes,
- which can conflict with char $ac_func (); below. */
-#include <assert.h>
+ which can conflict with char $ac_func (); below.
+ Prefer <limits.h> to <assert.h> if __STDC__ is defined, since
+ <limits.h> exists even on freestanding compilers. */
+
+#ifdef __STDC__
+# include <limits.h>
+#else
+# include <assert.h>
+#endif
+
+#undef $ac_func
+
/* Override any gcc2 internal prototype to avoid an error. */
#ifdef __cplusplus
extern "C"
@@ -46,18 +59,28 @@ char (*f) () = $ac_func;
int
main ()
{
-
+return f != $ac_func;
;
return 0;
}
_ACEOF
rm -f conftest.$ac_objext conftest$ac_exeext
if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
- (eval $ac_link) 2>&5
+ (eval $ac_link) 2>conftest.er1
ac_status=$?
+ grep -v '^ *+' conftest.er1 >conftest.err
+ rm -f conftest.er1
+ cat conftest.err >&5
echo "$as_me:$LINENO: \$? = $ac_status" >&5
(exit $ac_status); } &&
- { ac_try='test -s conftest$ac_exeext'
+ { ac_try='test -z "$ac_c_werror_flag"
+ || test ! -s conftest.err'
+ { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+ (eval $ac_try) 2>&5
+ ac_status=$?
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); }; } &&
+ { ac_try='test -s conftest$ac_exeext'
{ (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
(eval $ac_try) 2>&5
ac_status=$?
@@ -70,7 +93,8 @@ sed 's/^/| /' conftest.$ac_ext >&5
eval "$as_ac_var=no"
fi
-rm -f conftest.$ac_objext conftest$ac_exeext conftest.$ac_ext
+rm -f conftest.err conftest.$ac_objext \
+ conftest$ac_exeext conftest.$ac_ext
fi
echo "$as_me:$LINENO: result: `eval echo '${'$as_ac_var'}'`" >&5
echo "${ECHO_T}`eval echo '${'$as_ac_var'}'`" >&6