X-Git-Url: https://git.m6w6.name/?a=blobdiff_plain;f=m4%2Fax_debug.m4;h=4c72f27689b25dcf484e1eff68881ab8ee26f414;hb=9d09bd78e83c7798b273e98df63bc9dd76c7b5a9;hp=d2e9a480f7e3737d2c1ed6408653e7d09816a996;hpb=feded1b9d9b6aa51c68fd3d076408a516b1a31aa;p=m6w6%2Flibmemcached

diff --git a/m4/ax_debug.m4 b/m4/ax_debug.m4
index d2e9a480..4c72f276 100644
--- a/m4/ax_debug.m4
+++ b/m4/ax_debug.m4
@@ -43,19 +43,20 @@
 #  (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 #  OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
-#serial 1
+#serial 5
 
-AC_DEFUN([AX_DEBUG],[
+AC_DEFUN([AX_DEBUG],
+    [AC_PREREQ([2.63])dnl
     AC_ARG_ENABLE([debug],
       [AS_HELP_STRING([--enable-debug],
-        [Add debug code/turns off optimizations (yes|no) @<:@default=no@:>@])],[
-      ax_enable_debug=yes
-      AC_DEFINE(DEBUG, [ 1 ], [Define to 1 to enable debugging code.])
-      ],[
-      ax_enable_debug=no
-      AC_DEFINE(DEBUG, [ 0 ], [Define to 1 to enable debugging code.])
-      ])
+        [Add debug code/turns off optimizations (yes|no) @<:@default=no@:>@])],
+      [ax_enable_debug=yes
+      AC_DEFINE([DEBUG],[1],[Define to 1 to enable debugging code.])
+      AX_CHECK_LIBRARY([MCHECK],[mcheck.h],[mcheck],[AX_APPEND_LINK_FLAGS([-lmcheck])])],
+      [ax_enable_debug=no
+      AC_SUBST([MCHECK])
+      AC_DEFINE([DEBUG],[0],[Define to 1 to enable debugging code.])])
 
     AC_MSG_CHECKING([for debug])
     AC_MSG_RESULT([$ax_enable_debug])
-    ])
+    AM_CONDITIONAL([DEBUG],[test "x${ax_enable_debug}" = "xyes"])])