From 502ed6760d9d2d674d0dcc87a6cb223ff079745d Mon Sep 17 00:00:00 2001
From: "Rafael G. Martins" <rafael@rafaelmartins.eng.br>
Date: Sat, 9 May 2015 20:09:55 -0300
Subject: loader: added tests

---
 configure.ac | 21 +++++++++++++++++++--
 1 file changed, 19 insertions(+), 2 deletions(-)

(limited to 'configure.ac')

diff --git a/configure.ac b/configure.ac
index 716daa7..a2cace4 100644
--- a/configure.ac
+++ b/configure.ac
@@ -43,8 +43,25 @@ AC_ARG_ENABLE([tests], AS_HELP_STRING([--disable-tests],
 AS_IF([test "x$enable_tests" != "xno"], [
   PKG_PROG_PKG_CONFIG
   PKG_CHECK_MODULES([CMOCKA], [cmocka], [
-    TESTS="enabled"
-    have_cmocka=yes
+    AC_MSG_CHECKING([whether the linker supports -wrap])
+    save_LDFLAGS="$LDFLAGS"
+    LDFLAGS="$LDFLAGS -Wl,-wrap,exit"
+    AC_RUN_IFELSE([
+      AC_LANG_PROGRAM([
+        [void __wrap_exit(int s){__real_exit(0);}]
+      ], [
+        [exit(1);]
+      ])
+    ], [
+      TESTS="enabled"
+      have_cmocka=yes
+    ], [
+      have_cmocka=no
+    ], [
+      have_cmocka=no
+    ])
+    AC_MSG_RESULT([$have_cmocka])
+    LDFLAGS="$save_LDFLAGS"
   ], [
     have_cmocka=no
   ])
-- 
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