From 5b2439e7c993dd65969275836074fd20faf1bd1e Mon Sep 17 00:00:00 2001
From: John Ralls <jralls@ceridwen.us>
Date: Wed, 6 Sep 2017 22:24:19 -0700
Subject: [PATCH] Set -xobjective-c or -xobjective-c++ for Mac code depending
 compiler.

Also require at least Cmake-3.3 for Apple as that's the minimum that
supports the COMPILE_LANGUAGE generator expression.
---
 CMakeLists.txt | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 61071cfefa..d94e003589 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,6 +1,6 @@
 # CMakeLists.txt for GnuCash
 
-IF (WIN32)
+IF (WIN32 OR APPLE)
   CMAKE_MINIMUM_REQUIRED (VERSION 3.3.2)
 ELSE()
   CMAKE_MINIMUM_REQUIRED (VERSION 3.0)
@@ -349,7 +349,7 @@ IF(APPLE)
       FIND_LIBRARY(COCOA_LIBRARY Cocoa)
       FIND_LIBRARY(SECURITY_LIBRARY Security)
       FIND_LIBRARY(CARBON_LIBRARY Carbon)
-      SET(OSX_EXTRA_COMPILE_FLAGS -xobjective-c)
+      SET(OSX_EXTRA_COMPILE_FLAGS $<$<COMPILE_LANGUAGE:C>:-xobjective-c> $<$<COMPILE_LANGUAGE:CXX>:-xobjective-c++>)
       SET(OSX_EXTRA_LIBRARIES objc ${COCOA_LIBRARY} ${SECURITY_LIBRARY} ${CARBON_LIBRARY})
     ENDIF(GTK_MAC_FOUND)
   ENDIF()