env file for cross-compiling and accompanying makefile improvements

[laserbrain_demo] / Makefile

diff --git a/Makefile b/Makefile
index b7e244b..2c38091 100644 (file)
--- a/Makefile
+++ b/Makefile
@@ -24,7 +24,7 @@ LDFLAGS = $(libpath) -ldrawtext $(libgl_$(sys)) $(libal_$(sys)) -lm -lgmath -lvm
                  -limago -lresman -lpthread -lassimp -ltreestore -lgoatvr \
                  `pkg-config --libs sdl2 freetype2` -lpng -ljpeg -lz -lvorbisfile -lgomp
 
-sys = $(shell uname -s | sed 's/MINGW.*/mingw/')
+sys ?= $(shell uname -s | sed 's/MINGW.*/mingw/')
 libgl_Linux = -lGL -lGLU -lGLEW
 libgl_Darwin = -framework OpenGL -lGLEW
 libgl_mingw = -lopengl32 -lglu32 -lglew32