PR binutils/2876

* configure.in: Check for the mkstemp and mkdtemp functions.
* configure: Regenerate.
* config.in (HAVE_MKDTEMP): New potential define.
(MAKE_MKSTEMP): Likewise.
* bucomm.c (make_tempname): Use mkstemp if it is available.
* make_tempdir): New function: Create a temporary directory using mkdtemp, if
it is available.
* bucomm.h (make_tempdir): New prototype.
* objcopy.c (copy_archive): Use make_tempdir if it is available.
  (strip_main): Produce an warning message if a temporary file could not be
  (copy_main): Likewise.
* ar.c (write_archive): Likewise.

1 files changed, 196 insertions, 0 deletions

diff --git a/binutils/configure b/binutils/configure
index e74cb9dd13f..83e632d1540 100755
--- a/binutils/configure
+++ b/binutils/configure
@@ -7110,6 +7110,202 @@ _ACEOF
 fi
 done
 
+echo "$as_me:$LINENO: checking for mkstemp" >&5
+echo $ECHO_N "checking for mkstemp... $ECHO_C" >&6
+if test "${ac_cv_func_mkstemp+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+  cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+/* Define mkstemp to an innocuous variant, in case <limits.h> declares mkstemp.
+   For example, HP-UX 11i <limits.h> declares gettimeofday.  */
+#define mkstemp innocuous_mkstemp
+
+/* System header to define __stub macros and hopefully few prototypes,
+    which can conflict with char mkstemp (); 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 mkstemp
+
+/* Override any gcc2 internal prototype to avoid an error.  */
+#ifdef __cplusplus
+extern "C"
+{
+#endif
+/* We use char because int might match the return type of a gcc2
+   builtin and then its argument prototype would still apply.  */
+char mkstemp ();
+/* The GNU C library defines this for functions which it implements
+    to always fail with ENOSYS.  Some functions are actually named
+    something starting with __ and the normal name is an alias.  */
+#if defined (__stub_mkstemp) || defined (__stub___mkstemp)
+choke me
+#else
+char (*f) () = mkstemp;
+#endif
+#ifdef __cplusplus
+}
+#endif
+
+int
+main ()
+{
+return f != mkstemp;
+  ;
+  return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext conftest$ac_exeext
+if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&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 $ac_status); } &&
+	 { ac_try='test -z "$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 $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; }; then
+  ac_cv_func_mkstemp=yes
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+ac_cv_func_mkstemp=no
+fi
+rm -f conftest.err conftest.$ac_objext \
+      conftest$ac_exeext conftest.$ac_ext
+fi
+echo "$as_me:$LINENO: result: $ac_cv_func_mkstemp" >&5
+echo "${ECHO_T}$ac_cv_func_mkstemp" >&6
+if test $ac_cv_func_mkstemp = yes; then
+
+cat >>confdefs.h <<\_ACEOF
+#define HAVE_MKSTEMP 1
+_ACEOF
+
+fi
+
+echo "$as_me:$LINENO: checking for mkdtemp" >&5
+echo $ECHO_N "checking for mkdtemp... $ECHO_C" >&6
+if test "${ac_cv_func_mkdtemp+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+  cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+/* Define mkdtemp to an innocuous variant, in case <limits.h> declares mkdtemp.
+   For example, HP-UX 11i <limits.h> declares gettimeofday.  */
+#define mkdtemp innocuous_mkdtemp
+
+/* System header to define __stub macros and hopefully few prototypes,
+    which can conflict with char mkdtemp (); 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 mkdtemp
+
+/* Override any gcc2 internal prototype to avoid an error.  */
+#ifdef __cplusplus
+extern "C"
+{
+#endif
+/* We use char because int might match the return type of a gcc2
+   builtin and then its argument prototype would still apply.  */
+char mkdtemp ();
+/* The GNU C library defines this for functions which it implements
+    to always fail with ENOSYS.  Some functions are actually named
+    something starting with __ and the normal name is an alias.  */
+#if defined (__stub_mkdtemp) || defined (__stub___mkdtemp)
+choke me
+#else
+char (*f) () = mkdtemp;
+#endif
+#ifdef __cplusplus
+}
+#endif
+
+int
+main ()
+{
+return f != mkdtemp;
+  ;
+  return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext conftest$ac_exeext
+if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&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 $ac_status); } &&
+	 { ac_try='test -z "$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 $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; }; then
+  ac_cv_func_mkdtemp=yes
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+ac_cv_func_mkdtemp=no
+fi
+rm -f conftest.err conftest.$ac_objext \
+      conftest$ac_exeext conftest.$ac_ext
+fi
+echo "$as_me:$LINENO: result: $ac_cv_func_mkdtemp" >&5
+echo "${ECHO_T}$ac_cv_func_mkdtemp" >&6
+if test $ac_cv_func_mkdtemp = yes; then
+
+cat >>confdefs.h <<\_ACEOF
+#define HAVE_MKDTEMP 1
+_ACEOF
+
+fi
+
 
 # Check whether fopen64 is available and whether _LARGEFILE64_SOURCE
 # needs to be defined for it