Add workable config.m4

php/r3/config.m4

@@ -0,0 +1,50 @@
+dnl config.m4 for extension r3
+
+PHP_ARG_WITH(r3, for r3 support,
+[  --with-r3             Include r3 support])
+
+dnl PHP_ARG_ENABLE(r3, whether to enable r3 support,
+dnl Make sure that the comment is aligned:
+dnl [  --enable-r3           Enable r3 support])
+
+if test "$PHP_R3" != "no"; then
+  SEARCH_PATH="/usr/local /usr"
+  SEARCH_FOR="/include/r3/r3.h"
+  if test -r $PHP_R3/$SEARCH_FOR; then
+    R3_DIR=$PHP_R3
+  else
+    AC_MSG_CHECKING([for r3 files in default path])
+    for i in $SEARCH_PATH ; do
+      if test -r $i/$SEARCH_FOR; then
+        R3_DIR=$i
+        AC_MSG_RESULT(found in $i)
+      fi
+    done
+  fi
+
+  if test -z "$R3_DIR"; then
+    AC_MSG_RESULT([not found])
+    AC_MSG_ERROR([Please reinstall the r3 distribution])
+  fi
+
+echo $R3_DIR
+  dnl # --with-r3 -> add include path
+  PHP_ADD_INCLUDE($R3_DIR/include)
+
+  LIBNAME=r3
+  LIBSYMBOL=r3_route_create
+
+  PHP_CHECK_LIBRARY($LIBNAME,$LIBSYMBOL,
+  [
+    PHP_ADD_LIBRARY_WITH_PATH($LIBNAME, $R3_DIR/lib, R3_SHARED_LIBADD)
+    AC_DEFINE(HAVE_R3LIB,1,[ ])
+  ],[
+    AC_MSG_ERROR([wrong r3 lib version or lib not found])
+  ],[
+    -L$R3_DIR/lib -lm
+  ])
+
+  PHP_SUBST(R3_SHARED_LIBADD)
+
+  PHP_NEW_EXTENSION(r3, [ct_helper.c hash.c php_expandable_mux.c php_r3.c r3_controller.c r3_functions.c r3_mux.c r3_persistent.c], $ext_shared)
+fi