X-Git-Url: https://review.openocd.org/gitweb?p=openocd.git;a=blobdiff_plain;f=configure.in;h=8256adb7b1158a56ebec0138a0860ac4388b8c31;hp=bbd22d1efd23a06d838199e1af64d4b5a2485b57;hb=647e61cc6d9b13dd2799d2302ce9289a1627e36c;hpb=641919d491428cb4eb9d91354e49736b9de854a6

diff --git a/configure.in b/configure.in
index bbd22d1efd..8256adb7b1 100644
--- a/configure.in
+++ b/configure.in
@@ -787,12 +787,14 @@ AC_PROG_CC
 AC_PROG_CC_C99
 AM_PROG_CC_C_O
 AC_PROG_RANLIB
+AC_PROG_LIBTOOL
 
-# Look for environ alternatives.  Possibility #1: is environ in unistd.h?
-AC_MSG_CHECKING([for environ in unistd.h])
+# Look for environ alternatives.  Possibility #1: is environ in unistd.h or stdlib.h?
+AC_MSG_CHECKING([for environ in unistd.h and stdlib.h])
 AC_COMPILE_IFELSE([
 #define _GNU_SOURCE
 #include <unistd.h>
+#include <stdlib.h>
 int main(int argc, char **argv) { char **ep = environ; }
   ], [
     AC_MSG_RESULT([yes])