calls to exit() require stdlib.h or else we get -Werror,-Wimplicit-function-declaration

git-svn-id: https://svn.apache.org/repos/asf/apr/apr/trunk@1882979 13f79535-47bb-0310-9956-ffa450edef68

1 files changed, 5 insertions, 1 deletions

diff --git a/configure.in b/configure.in
index 937bc22ba..2d586f4c8 100644
--- a/configure.in
+++ b/configure.in
@@ -2192,6 +2192,7 @@ AC_TRY_RUN([
 #include <sys/types.h>
 #include <sys/time.h>
 #include <sys/resource.h>
+#include <stdlib.h>
 main()
 {
     struct rlimit limit;
@@ -2292,6 +2293,7 @@ if test "$threads" = "1"; then
       AC_TRY_RUN([
 #include <sys/types.h>
 #include <pthread.h>
+#include <stdlib.h>
         int main()
         {
             pthread_mutex_t mutex;
@@ -2421,7 +2423,9 @@ AC_TRY_RUN([
 #endif
 #include <fcntl.h>
 #include <errno.h>
-
+#ifdef HAVE_STDLIB_H
+#include <stdlib.h>
+#endif
 int fd;
 struct flock proc_mutex_lock_it = {0};
 const char *fname = "conftest.fcntl";