From 8813bb554e82f33df0ea6f461b1a653dee41bfe9 Mon Sep 17 00:00:00 2001
From: Michael Gernoth <michael@gernoth.net>
Date: Mon, 11 Feb 2008 21:56:54 +0100
Subject: [PATCH] add ugly sdl_helper to automagically find and enable
 SDL_mixer

---
 src/sim/makefile   |  9 +++------
 src/sim/sdl_helper | 48 ++++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 51 insertions(+), 6 deletions(-)
 create mode 100755 src/sim/sdl_helper

diff --git a/src/sim/makefile b/src/sim/makefile
index a28ac84..5a8a622 100644
--- a/src/sim/makefile
+++ b/src/sim/makefile
@@ -5,11 +5,8 @@ TCLXHOME = ../tclx
 TCLLIBRARY = /usr/local/lib/tcl
 TKLIBRARY = /usr/local/lib/tk
 
-SDLINCLUDE =
-SDLLIBS = -lSDL -lSDL_mixer
- 
-#SDLINCLUDE += $$(pkg-config --cflags sdl)
-#SDLLIBS += $$(pkg-config --libs sdl)
+SDLINCLUDE = $$(./sdl_helper cflags)
+SDLLIBS = $$(./sdl_helper libs)
 
 CC = gcc
 
@@ -17,7 +14,7 @@ OPTFLAGS = -O3
 #OPTFLAGS = -g
 
 #DEFINES = -DIS_LINUX -DCAM -DNET
-DEFINES = -DIS_LINUX -DWITH_SDL_MIXER -DNO_AIRCRASH
+DEFINES = -DIS_LINUX -DNO_AIRCRASH
 
 CFLAGS += $(OPTFLAGS) $(DEFINES)
 
diff --git a/src/sim/sdl_helper b/src/sim/sdl_helper
new file mode 100755
index 0000000..5406da9
--- /dev/null
+++ b/src/sim/sdl_helper
@@ -0,0 +1,48 @@
+#!/bin/sh
+
+SDLINCLUDE="`pkg-config --cflags sdl 2>/dev/null`"
+SDLLIBS="`pkg-config --libs sdl 2>/dev/null`"
+
+found=0
+
+if echo '#include <SDL_mixer.h>'|(cpp ${SDLINCLUDE}) >/dev/null 2>&1; then
+	found=1
+else
+	for flag in ${SDLINCLUDE}; do
+		if echo "${flag}" | grep '^-I' >/dev/null 2>&1; then
+			sdlpath="$(echo "${flag}"| sed -e 's/^-I//')"
+			if [ -f "${sdlpath}/SDL_mixer.h" ]; then
+				found=1
+				break
+			fi
+		fi
+	done
+fi
+
+if [ "${found}" = "1" ]; then
+	SDLINCLUDE="${SDLINCLUDE} -DWITH_SDL_MIXER"
+	SDLLIBS="${SDLLIBS} -lSDL_mixer"
+else
+	found=0
+
+	for sdlpath in /usr /usr/local /opt/local /opt/csw /sw; do
+		if [ -f "${sdlpath}/include/SDL/SDL_mixer.h" ]; then
+			SDLINCLUDE="${SDLINCLUDE} -I${sdlpath}/include/SDL -DWITH_SDL_MIXER"
+			SDLLIBS="${SDLLIBS} -L${sdlpath}/lib -lSDL -lSDL_mixer"
+
+			found=1
+			break
+		fi
+	done
+
+	if [ "${found}" = "0" ]; then
+		SDLINCLUDE=""
+		SDLLIBS=""
+	fi
+fi
+
+if [ "${1}" = "cflags" ]; then
+	echo "${SDLINCLUDE}"
+elif [ "${1}" = "libs" ]; then
+	echo "${SDLLIBS}"
+fi
-- 
2.39.2