MacOSX compatibility: check whether memcpy is a macro, and if #undef it to get the...

[citadel.git] / libcitadel / configure.in

diff --git a/libcitadel/configure.in b/libcitadel/configure.in
index fb45b74a2068e8c7cf02ef82f8a3de93b012c8a2..76867ee12018c4f487b282ef54a2d8bc8dde0ace 100755 (executable)
--- a/libcitadel/configure.in
+++ b/libcitadel/configure.in
@@ -10,6 +10,7 @@ AC_INIT(libcitadel, 3.8.13, http://uncensored.citadel.org)
 AC_CONFIG_SRCDIR(Makefile.in)
 AC_CONFIG_AUX_DIR(conftools)
 AC_CONFIG_SRCDIR(tests/Makefile.in)
+m4_include([m4/local.m4])
 
 dnl
 dnl Increment LIBREVISION if source code has changed at all
@@ -103,6 +104,36 @@ AC_TRY_COMPILE([
                ]
 )
 
+AC_MSG_CHECKING([whether your system likes memcpy + HKEY]) 
+AC_TRY_COMPILE([
+#define _GNU_SOURCE
+#include <ctype.h>
+#include <errno.h>
+#include <string.h>
+#include <unistd.h>
+#include <string.h>
+#include <stdio.h>
+#include <sys/select.h>
+#include <fcntl.h>
+#include <sys/types.h>
+
+#include "lib/libcitadel.h"
+],
+[
+       char foo[22];
+       memcpy(foo, HKEY("foo"));
+       
+],
+               [
+
+                 AC_MSG_RESULT([yes])
+               ],
+               [ 
+                 AC_DEFINE(UNDEF_MEMCPY, [], [whether we need to undefine memcpy])
+                 AC_MSG_RESULT([no])
+               ]
+)
+
 
 AC_CHECK_HEADERS(iconv.h)