From d1a33b5ddf55cf814c1c697d47c59451f7121eab Mon Sep 17 00:00:00 2001
From: Arthur O'Dwyer <arthur.j.odwyer@gmail.com>
Date: Mon, 19 Oct 2020 12:46:06 -0400
Subject: [PATCH] Use pkg-config in Makefile.simple.

Let's see if TravisCI is happy with this.
Addresses, but does not fully resolve, #135.
---
 Makefile.simple | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/Makefile.simple b/Makefile.simple
index dc5b843ce..dc15da1c4 100644
--- a/Makefile.simple
+++ b/Makefile.simple
@@ -48,7 +48,7 @@ ifeq (${OS},linux)
   LDFLAGS_GL := -lGL
   LDFLAGS_GLEW := -lGLEW
   LDFLAGS_PNG := -lpng
-  LDFLAGS_SDL := -lSDL -lSDL_gfx -lSDL_mixer -lSDL_ttf -lpthread -lz
+  LDFLAGS_SDL := $(shell pkg-config --libs sdl SDL_gfx SDL_mixer SDL_ttf) -pthread -lz
   OBJ_EXTENSION := .o
   hyper_RES :=
 endif
@@ -74,7 +74,7 @@ ifeq (${OS},osx)
   LDFLAGS_GL := -framework AppKit -framework OpenGL
   LDFLAGS_GLEW := -lGLEW
   LDFLAGS_PNG := -lpng
-  LDFLAGS_SDL := -lSDL -lSDLMain -lSDL_gfx -lSDL_mixer -lSDL_ttf -lpthread -lz
+  LDFLAGS_SDL := $(shell pkg-config --libs sdl SDL_gfx SDL_mixer SDL_ttf) -pthread -lz
   OBJ_EXTENSION := .o
   hyper_RES :=
 endif