From abce2980c929dbb6ccb9d45c7cd88df3106c6ee4 Mon Sep 17 00:00:00 2001
From: Nikos Mavrogiannopoulos <nmav@gnutls.org>
Date: Wed, 20 Feb 2008 19:53:44 +0000
Subject: added new m4 directory

---
(limited to 'm4/lua.m4')

diff --git a/m4/lua.m4 b/m4/lua.m4
new file mode 100644
index 0000000..beae980
--- /dev/null
+++ b/m4/lua.m4
@@ -0,0 +1,71 @@
+dnl Check for Lua 5.0 Libraries
+dnl CHECK_LUA(ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND])
+dnl Sets:
+dnl  LUA_CFLAGS
+dnl  LUA_LIBS
+AC_DEFUN([CHECK_LUA],
+[dnl
+
+AC_ARG_WITH(
+    lua,
+    [AC_HELP_STRING([--with-lua=PATH],[Path to the Lua 5.0 prefix])],
+    lua_path="$withval",
+    :)
+
+dnl # Determine memcache lib directory
+if test -z $mc_path; then
+    test_paths="/usr/local /usr"
+else
+    test_paths="${lua_path}"
+fi
+
+for x in $test_paths ; do
+    AC_MSG_CHECKING([for lua.h in ${x}/include/lua50])
+    if test -f ${x}/include/lua50/lua.h; then
+        AC_MSG_RESULT([yes])
+        save_CFLAGS=$CFLAGS
+        save_LDFLAGS=$LDFLAGS
+        CFLAGS="$CFLAGS"
+        LDFLAGS="-L$x/lib $LDFLAGS"
+        AC_CHECK_LIB(lua50, lua_open,
+            [
+            LUA_LIBS="-L$x/lib -llua50 -llualib50"
+            LUA_CFLAGS="-I$x/include/lua50"
+            ])
+        CFLAGS=$save_CFLAGS
+        LDFLAGS=$save_LDFLAGS
+        break
+    else
+        AC_MSG_RESULT([no])
+    fi
+    AC_MSG_CHECKING([for lua.h in ${x}/include])
+    if test -f ${x}/include/lua.h; then
+        AC_MSG_RESULT([yes])
+        save_CFLAGS=$CFLAGS
+        save_LDFLAGS=$LDFLAGS
+        CFLAGS="$CFLAGS"
+        LDFLAGS="-L$x/lib $LDFLAGS"
+        AC_CHECK_LIB(lua, lua_open,
+            [
+            LUA_LIBS="-L$x/lib -llua -llualib"
+            LUA_CFLAGS="-I$x/include/lua50"
+            ])
+        CFLAGS=$save_CFLAGS
+        LDFLAGS=$save_LDFLAGS
+        break
+    else
+        AC_MSG_RESULT([no])
+    fi
+done
+
+AC_SUBST(LUA_LIBS)
+AC_SUBST(LUA_CFLAGS)
+
+if test -z "${LUA_LIBS}"; then
+  AC_MSG_NOTICE([*** Lua 5.0 library not found.])
+  ifelse([$2], , AC_MSG_ERROR([Lua 5.0 library is required]), $2)
+else
+  AC_MSG_NOTICE([using '${LUA_LIBS}' for Lua Library])
+  ifelse([$1], , , $1) 
+fi 
+])
--
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