From 56d18a5f95acd39d943b98881bbbde2cb24dedad Mon Sep 17 00:00:00 2001
From: MysterD <myster@d>
Date: Thu, 10 Feb 2022 18:06:59 -0800
Subject: [PATCH] Fix OSX's include path for sdl-config

---
 Makefile | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/Makefile b/Makefile
index 6b80338b..bf3ed1cb 100644
--- a/Makefile
+++ b/Makefile
@@ -635,7 +635,13 @@ else ifeq ($(SDL1_USED),1)
 endif
 
 ifneq ($(SDL1_USED)$(SDL2_USED),00)
-  BACKEND_CFLAGS += `$(SDLCONFIG) --cflags`
+  ifeq ($(OSX_BUILD),1)
+    # on OSX at least the homebrew version of sdl-config gives include path as `.../include/SDL2` instead of `.../include`
+    OSX_PREFIX := $(shell $(SDLCONFIG) --prefix)
+    BACKEND_CFLAGS += -I$(OSX_PREFIX)/include $(shell $(SDLCONFIG) --cflags)
+  else
+    BACKEND_CFLAGS += `$(SDLCONFIG) --cflags`
+  endif
   ifeq ($(WINDOWS_BUILD),1)
     BACKEND_LDFLAGS += `$(SDLCONFIG) --static-libs` -lsetupapi -luser32 -limm32 -lole32 -loleaut32 -lshell32 -lwinmm -lversion
   else