xgetcwd: Move AC_LIBOBJ invocations to module description.

[gnulib.git] / lib / setenv.c

diff --git a/lib/setenv.c b/lib/setenv.c
index 7c06192..0a5f67d 100644 (file)
--- a/lib/setenv.c
+++ b/lib/setenv.c
@@ -15,6 +15,7 @@
    along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
 
 #if !_LIBC
+# define _GL_USE_STDLIB_ALLOC 1
 # include <config.h>
 #endif
 
@@ -64,10 +65,6 @@ __libc_lock_define_initialized (static, envlock)
 # define clearenv __clearenv
 # define tfind __tfind
 # define tsearch __tsearch
-#else
-/* Use the system functions, not the gnulib overrides in this file.  */
-# undef malloc
-# undef realloc
 #endif
 
 /* In the GNU C library implementation we try to be more clever and
@@ -353,6 +350,9 @@ weak_alias (__clearenv, clearenv)
 #if HAVE_SETENV
 
 # undef setenv
+# if !HAVE_DECL_SETENV
+extern int setenv (const char *, const char *, int);
+# endif
 # define STREQ(a, b) (strcmp (a, b) == 0)
 
 int