GLEW Patch #63 - Use CC/CXX/LD variable from environment, don't hardcode cc

config/Makefile.cygming

@@ -4,8 +4,8 @@ BINDIR = /usr/bin
 LIBDIR = /usr/lib/mingw
 INCDIR = /usr/include/mingw/GL
 # use gcc for linking, with ld it does not work
-CC := gcc -mno-cygwin
-LD := gcc -mno-cygwin
+CC ?= gcc -mno-cygwin
+LD ?= $(CC)
 LN :=
 CFLAGS.SO = -DGLEW_BUILD
 LDFLAGS.GL = -lopengl32 -lgdi32 -luser32 -lkernel32

config/Makefile.cygwin

 NAME = GLEW
 GLEW_DEST ?= /usr
 # use gcc for linking, with ld it does not work
-CC := cc
-LD := cc
+CC ?= cc
+LD ?= $(CC)
 LN :=
 LDFLAGS.EXTRA =
 LIBDIR = $(GLEW_DEST)/lib

config/Makefile.darwin

 NAME = $(GLEW_NAME)
-CC = cc
-LD = cc
+CC ?= cc
+LD ?= $(CC)
 CFLAGS.EXTRA = -dynamic -fno-common
 #CFLAGS.EXTRA += -no-cpp-precomp
 LDFLAGS.EXTRA =

config/Makefile.darwin-ppc

 NAME = $(GLEW_NAME)
-CC = cc
-LD = cc
+CC ?= cc
+LD ?= $(CC)
 CFLAGS.EXTRA = -arch ppc -dynamic -fno-common
 #CFLAGS.EXTRA += -no-cpp-precomp
 LDFLAGS.EXTRA = -arch ppc

config/Makefile.darwin-x86_64

 NAME = $(GLEW_NAME)
-CC = cc
-LD = cc
+CC ?= cc
+LD ?= $(CC)
 CFLAGS.EXTRA = -arch x86_64 -dynamic -fno-common
 #CFLAGS.EXTRA += -no-cpp-precomp
 LDFLAGS.EXTRA = -arch x86_64

config/Makefile.freebsd

 NAME = $(GLEW_NAME)
-CC = cc
-LD = ld
+CC ?= cc
+LD ?= ld
 LDFLAGS.EXTRA = -L/usr/X11R6/lib
 LDFLAGS.GL = -lXmu -lXi -lGL -lXext -lX11
 LDFLAGS.STATIC = -Wl,-Bstatic

config/Makefile.gnu

 NAME = $(GLEW_NAME)
-CC = cc
-LD = cc
+CC ?= cc
+LD ?= $(CC)
 LDFLAGS.EXTRA = -L/usr/X11R6/lib
 LDFLAGS.GL = -lXmu -lXi -lGL -lXext -lX11
 LDFLAGS.STATIC = -Wl,-Bstatic

config/Makefile.haiku

 NAME = $(GLEW_NAME)
-CC = cc
-LD = cc
+CC ?= cc
+LD ?= $(CC)
 ifneq (undefined, $(origin GLEW_MX))
 	CFLAGS.EXTRA = -DGLEW_MX
 endif

config/Makefile.irix

 NAME = $(GLEW_NAME)
-CC = cc
-LD = ld
+CC ?= cc
+LD ?= ld
 ABI = -64# -n32
 CC += $(ABI)
 LD += $(ABI)

config/Makefile.kfreebsd

 NAME = $(GLEW_NAME)
-CC = cc
-LD = cc
+CC ?= cc
+LD ?= $(CC)
 LDFLAGS.EXTRA = -L/usr/X11R6/lib
 LDFLAGS.GL = -lXmu -lXi -lGL -lXext -lX11
 LDFLAGS.STATIC = -Wl,-Bstatic

config/Makefile.linux

 NAME = $(GLEW_NAME)
-CC = cc
-LD = cc
+CC ?= cc
+LD ?= $(CC)
 M_ARCH ?= $(shell uname -m)
 ARCH64 = false
 ifeq (x86_64,${M_ARCH})

config/Makefile.mingw

 NAME = glew32
 # use gcc for linking, with ld it does not work
-CC := gcc
-LD := gcc
+CC ?= gcc
+LD ?= $(CC)
 LN :=
 CFLAGS.SO = -DGLEW_BUILD
 LDFLAGS.GL = -lopengl32 -lgdi32 -luser32 -lkernel32

config/Makefile.nacl-32

@@ -6,9 +6,9 @@ ifeq (Linux,${M_NAME})
 M_PREFIX = i686
 endif
 
-CC  = $(M_PREFIX)-nacl-gcc
-CXX = $(M_PREFIX)-nacl-g++
-LD  = $(M_PREFIX)-nacl-ld
+CC  ?= $(M_PREFIX)-nacl-gcc
+CXX ?= $(M_PREFIX)-nacl-g++
+LD  ?= $(M_PREFIX)-nacl-ld
 STRIP ?=
 EXT.DYNAMIC = so
 LDFLAGS.EXTRA =

config/Makefile.nacl-64

@@ -6,9 +6,9 @@ ifeq (Linux,${M_NAME})
 M_PREFIX = i686
 endif
 
-CC  = $(M_PREFIX)-nacl-gcc
-CXX = $(M_PREFIX)-nacl-g++
-LD  = $(M_PREFIX)-nacl-ld
+CC  ?= $(M_PREFIX)-nacl-gcc
+CXX ?= $(M_PREFIX)-nacl-g++
+LD  ?= $(M_PREFIX)-nacl-ld
 STRIP ?=
 EXT.DYNAMIC = so
 LDFLAGS.EXTRA =

config/Makefile.netbsd

 NAME = $(GLEW_NAME)
-CC = cc
-LD = ld
+CC ?= cc
+LD ?= ld
 LDFLAGS.EXTRA = -L/usr/X11R7/lib -R /usr/X11R7/lib 
 LDFLAGS.GL = -lXmu -lXi -lGL -lXext -lX11
 LDFLAGS.STATIC = -Wl,-Bstatic

config/Makefile.openbsd

 NAME = $(GLEW_NAME)
-CC = cc
-LD = ld
+CC ?= cc
+LD ?= ld
 LDFLAGS.EXTRA = -L/usr/X11R6/lib
 LDFLAGS.GL = -lXmu -lXi -lGLU -lGL -lXext -lX11 -lm
 LDFLAGS.STATIC = -Wl,-Bstatic

config/Makefile.solaris

 NAME = $(GLEW_NAME)
-CC = cc
-LD = ld
+CC ?= cc
+LD ?= ld
 CFLAGS.EXTRA = -I/usr/openwin/include
 LDFLAGS.SO = -G
 LDFLAGS.EXTRA = -L/usr/openwin/lib

config/Makefile.solaris-gcc

 NAME = $(GLEW_NAME)
-CC = gcc
-LD = ld
+CC ?= gcc
+LD ?= ld
 CFLAGS.EXTRA = -I/usr/openwin/include
 LDFLAGS.SO = -G
 LDFLAGS.EXTRA = -L/usr/openwin/lib