Check for ffi.h and libffi before using pkg-config. Take that MacPorts!

[cycript.git] / configure.ac

diff --git a/configure.ac b/configure.ac
index a7ca5f3b2c10d46f558e1b762134557766c87542..619f23e1756a72b3e60c884f3498c104265831ad 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -102,20 +102,22 @@ AC_ARG_ENABLE([javascript], [AS_HELP_STRING(
                CY_CHECK_JAVASCRIPTCORE
        ], [AC_MSG_ERROR([Unknown JavaScript engine: $enableval])])
 ], [CY_CHECK_JAVASCRIPT])
-AS_CASE([$CY_EXECUTE], [1], [
-       AC_SUBST([CY_EXECUTE])
+AC_DEFUN([CY_CHECK_PKG_CONFIG_LIBFFI], [
        PKG_CHECK_MODULES([LIBFFI], [libffi], [
                AC_LIB_APPENDTOVAR([CXXFLAGS], [`$PKG_CONFIG --cflags libffi`])
                AC_LIB_APPENDTOVAR([LIBS], [`$PKG_CONFIG --libs libffi`])
        ], [
-               AC_CHECK_HEADERS([ffi.h ffi/ffi.h], [break])
-               AS_IF([test "x$ac_cv_header_ffi_h" = xno && test "x$ac_cv_header_ffi_ffi_h" = xno], [
-                       AC_MSG_ERROR([You need libffi])
-               ])
+               AC_MSG_ERROR([You need libffi])
+       ])
+])
+AS_CASE([$CY_EXECUTE], [1], [
+       AC_SUBST([CY_EXECUTE])
+       AC_CHECK_HEADERS([ffi.h ffi/ffi.h], [break])
+       AS_IF([test "x$ac_cv_header_ffi_h" = xno && test "x$ac_cv_header_ffi_ffi_h" = xno], [
+               CY_CHECK_PKG_CONFIG_LIBFFI
+       ], [
                AC_SEARCH_LIBS([ffi_call], [ffi])
-               AS_CASE([$ac_cv_search_ffi_call], [no], [
-                       AC_MSG_ERROR([You need libffi])
-               ])
+               AS_CASE([$ac_cv_search_ffi_call], [no], [CY_CHECK_PKG_CONFIG_LIBFFI])
        ])
        AC_LANG_PUSH([Objective C++])
        AC_MSG_CHECKING([if we really have Objective C++])