From 51bd94fccacce37259256b9a70010d928a9bac62 Mon Sep 17 00:00:00 2001
From: Nigel Stewart <nigels@users.sourceforge.net>
Date: Sun, 25 Dec 2016 00:48:21 +1000
Subject: [PATCH] Add Mac gcc6 build configuration (gcc via brew)

---
 config/Makefile.darwin-gcc6 | 30 ++++++++++++++++++++++++++++++
 1 file changed, 30 insertions(+)
 create mode 100644 config/Makefile.darwin-gcc6

diff --git a/config/Makefile.darwin-gcc6 b/config/Makefile.darwin-gcc6
new file mode 100644
index 0000000..3a04101
--- /dev/null
+++ b/config/Makefile.darwin-gcc6
@@ -0,0 +1,30 @@
+# For building with Brew gcc:
+# $ brew install gcc
+GLEW_DEST = /usr/local
+NAME = $(GLEW_NAME)
+CC = gcc-6
+LD = gcc-6
+CFLAGS.EXTRA = -dynamic -fno-common
+CFLAGS.EXTRA += -std=c89
+# Lots of warnings with -pedantic
+# warning: ISO C forbids conversion of object pointer to function pointer type
+#CFLAGS.EXTRA += -pedantic
+#CFLAGS.EXTRA += -no-cpp-precomp
+LDFLAGS.EXTRA =
+ifneq (undefined, $(origin GLEW_APPLE_GLX))
+CFLAGS.EXTRA += -I/usr/X11R6/include -D'GLEW_APPLE_GLX'
+LDFLAGS.GL = -L/usr/X11R6/lib -lGL -lX11
+else
+LDFLAGS.GL = -framework OpenGL
+endif
+LDFLAGS.STATIC =
+LDFLAGS.DYNAMIC =
+WARN = -Wall -W
+POPT = -Os
+CFLAGS.EXTRA += -fPIC
+BIN.SUFFIX =
+LIB.SONAME    = lib$(NAME).$(SO_MAJOR).dylib
+LIB.DEVLNK    = lib$(NAME).dylib
+LIB.SHARED    = lib$(NAME).$(SO_VERSION).dylib
+LIB.STATIC    = lib$(NAME).a
+LDFLAGS.SO    = -dynamiclib -install_name $(GLEW_DEST)/lib/$(LIB.SHARED) -current_version $(SO_VERSION) -compatibility_version $(SO_MAJOR)