Makefile refinements: Move strip step from install to build, make it optional. Don't use exotic .o suffixes. Put temporary files in tmp/ for easy seperation and deltion

Makefile

@@ -44,7 +44,6 @@ GLEW_DEST ?= /usr
 BINDIR    ?= $(GLEW_DEST)/bin
 LIBDIR    ?= $(GLEW_DEST)/lib
 INCDIR    ?= $(GLEW_DEST)/include/GL
-SHARED_OBJ_EXT ?= o
 
 TARDIR = ../glew-$(GLEW_VERSION)
 TARBALL = ../glew-$(GLEW_VERSION).tar.gz
@@ -54,11 +53,16 @@ DIST_WIN32   = glew-$(GLEW_VERSION)-win32.zip
 DIST_SRC_ZIP = glew-$(GLEW_VERSION).zip
 DIST_SRC_TGZ = glew-$(GLEW_VERSION).tgz
 
-AR = ar
+# To disable stripping of binaries either:
-INSTALL = install
+#   - use STRIP= on gmake command-line
-STRIP = strip
+#   - edit this makefile to set STRIP to the empty string
-RM = rm -f
+
-LN = ln -sf
+AR      ?= ar
+INSTALL ?= install
+STRIP   ?= strip
+RM      ?= rm -f
+LN      ?= ln -sf
+
 ifeq ($(MAKECMDGOALS), debug)
 OPT = -g
 else
@@ -67,29 +71,25 @@ endif
 INCLUDE = -Iinclude
 CFLAGS = $(OPT) $(WARN) $(INCLUDE) $(CFLAGS.EXTRA)
 
-LIB.SRCS = src/glew.c
-LIB.OBJS = $(LIB.SRCS:.c=.o)
-LIB.SOBJS = $(LIB.SRCS:.c=.$(SHARED_OBJ_EXT))
-LIB.LDFLAGS = $(LDFLAGS.EXTRA) $(LDFLAGS.GL)
-LIB.LIBS = $(GL_LDFLAGS)
-
-LIB.OBJS.MX  = $(LIB.SRCS:.c=.mx.o)
-LIB.SOBJS.MX = $(LIB.SRCS:.c=.mx.$(SHARED_OBJ_EXT))
-
-GLEWINFO.BIN = glewinfo$(BIN.SUFFIX)
-GLEWINFO.BIN.SRCS = src/glewinfo.c
-GLEWINFO.BIN.OBJS = $(GLEWINFO.BIN.SRCS:.c=.o)
-VISUALINFO.BIN = visualinfo$(BIN.SUFFIX)
-VISUALINFO.BIN.SRCS = src/visualinfo.c
-VISUALINFO.BIN.OBJS = $(VISUALINFO.BIN.SRCS:.c=.o)
-BIN.LIBS = -Llib $(LDFLAGS.DYNAMIC) -l$(NAME) $(LDFLAGS.EXTRA) $(LDFLAGS.GL)
-
 all debug: glew.lib glew.lib.mx glew.bin
 
-%.o: %.c
+# GLEW shared and static libraries
-	$(CC) -c $(CFLAGS) -o $@ $<
 
-# GLEW libraries
+LIB.LDFLAGS        := $(LDFLAGS.EXTRA) $(LDFLAGS.GL)
+LIB.LIBS           := $(GL_LDFLAGS)
+
+LIB.SRCS           := src/glew.c
+LIB.SRCS.NAMES     := $(notdir $(LIB.SRCS))
+
+LIB.OBJS           := $(addprefix tmp/$(SYSTEM)/default/static/,$(LIB.SRCS.NAMES))
+LIB.OBJS           := $(LIB.OBJS:.c=.o)
+LIB.SOBJS          := $(addprefix tmp/$(SYSTEM)/default/shared/,$(LIB.SRCS.NAMES))
+LIB.SOBJS          := $(LIB.SOBJS:.c=.o)
+
+LIB.OBJS.MX        := $(addprefix tmp/$(SYSTEM)/mx/static/,$(LIB.SRCS.NAMES))
+LIB.OBJS.MX        := $(LIB.OBJS.MX:.c=.o)
+LIB.SOBJS.MX       := $(addprefix tmp/$(SYSTEM)/mx/shared/,$(LIB.SRCS.NAMES))
+LIB.SOBJS.MX       := $(LIB.SOBJS.MX:.c=.o)
 
 glew.lib: lib lib/$(LIB.SHARED) lib/$(LIB.STATIC) glew.pc
 
@@ -98,6 +98,9 @@ lib:
 
 lib/$(LIB.STATIC): $(LIB.OBJS)
 	$(AR) cr $@ $^
+ifneq ($(STRIP),)
+	$(STRIP) -x $@
+endif
 
 lib/$(LIB.SHARED): $(LIB.SOBJS)
 	$(LD) $(LDFLAGS.SO) -o $@ $^ $(LIB.LDFLAGS) $(LIB.LIBS)
@@ -106,6 +109,17 @@ else
 	$(LN) $(LIB.SHARED) lib/$(LIB.SONAME)
 	$(LN) $(LIB.SHARED) lib/$(LIB.DEVLNK)
 endif
+ifneq ($(STRIP),)
+	$(STRIP) -x $@
+endif
+
+tmp/$(SYSTEM)/default/static/glew.o: src/glew.c include/GL/glew.h include/GL/wglew.h include/GL/glxew.h
+	@mkdir -p $(dir $@)
+	$(CC) -DGLEW_NO_GLU -DGLEW_STATIC $(CFLAGS) $(CFLAGS.SO) -o $@ -c $<
+
+tmp/$(SYSTEM)/default/shared/glew.o: src/glew.c include/GL/glew.h include/GL/wglew.h include/GL/glxew.h
+	@mkdir -p $(dir $@)
+	$(CC) -DGLEW_NO_GLU $(CFLAGS) $(PICFLAG) $(CFLAGS.SO) -o $@ -c $<
 
 glew.pc: glew.pc.in
 	sed \
@@ -118,13 +132,7 @@ glew.pc: glew.pc.in
 		-e "s|@libname@|GLEW|g" \
 		< $< > $@
 
-src/glew.o: src/glew.c include/GL/glew.h include/GL/wglew.h include/GL/glxew.h
+# GLEW MX static and shared libraries
-	$(CC) -DGLEW_NO_GLU $(CFLAGS) $(CFLAGS.SO) -o $@ -c $<
-
-src/glew.pic_o: src/glew.c include/GL/glew.h include/GL/wglew.h include/GL/glxew.h
-	$(CC) -DGLEW_NO_GLU $(CFLAGS) $(PICFLAG) $(CFLAGS.SO) -o $@ -c $<
-
-# GLEW MX libraries
 
 glew.lib.mx:  lib lib/$(LIB.SHARED.MX) lib/$(LIB.STATIC.MX) glewmx.pc
 
@@ -138,6 +146,17 @@ else
 	$(LN) $(LIB.SHARED.MX) lib/$(LIB.SONAME.MX)
 	$(LN) $(LIB.SHARED.MX) lib/$(LIB.DEVLNK.MX)
 endif
+ifneq ($(STRIP),)
+	$(STRIP) -x $@
+endif
+
+tmp/$(SYSTEM)/mx/static/glew.o: src/glew.c include/GL/glew.h include/GL/wglew.h include/GL/glxew.h
+	@mkdir -p $(dir $@)
+	$(CC) -DGLEW_NO_GLU -DGLEW_MX -DGLEW_STATIC $(CFLAGS) $(CFLAGS.SO) -o $@ -c $<
+
+tmp/$(SYSTEM)/mx/shared/glew.o: src/glew.c include/GL/glew.h include/GL/wglew.h include/GL/glxew.h
+	@mkdir -p $(dir $@)
+	$(CC) -DGLEW_NO_GLU -DGLEW_MX $(CFLAGS) $(PICFLAG) $(CFLAGS.SO) -o $@ -c $<
 
 glewmx.pc: glew.pc.in
 	sed \
@@ -150,24 +169,44 @@ glewmx.pc: glew.pc.in
 		-e "s|@libname@|GLEWmx|g" \
 		< $< > $@
 
-src/glew.mx.o: src/glew.c include/GL/glew.h include/GL/wglew.h include/GL/glxew.h
+# GLEW utility programs
-	$(CC) -DGLEW_NO_GLU -DGLEW_MX $(CFLAGS) $(CFLAGS.SO) -o $@ -c $<
 
-src/glew.mx.pic_o: src/glew.c include/GL/glew.h include/GL/wglew.h include/GL/glxew.h
+BIN.LIBS = -Llib $(LDFLAGS.DYNAMIC) -l$(NAME) $(LDFLAGS.EXTRA) $(LDFLAGS.GL)
-	$(CC) -DGLEW_NO_GLU -DGLEW_MX $(CFLAGS) $(PICFLAG) $(CFLAGS.SO) -o $@ -c $<
 
-# GLEW utilities
+GLEWINFO.BIN       := glewinfo$(BIN.SUFFIX)
+GLEWINFO.BIN.SRC   := src/glewinfo.c
+GLEWINFO.BIN.OBJ   := $(addprefix tmp/$(SYSTEM)/default/shared/,$(notdir $(GLEWINFO.BIN.SRC)))
+GLEWINFO.BIN.OBJ   := $(GLEWINFO.BIN.OBJ:.c=.o)
+
+VISUALINFO.BIN     := visualinfo$(BIN.SUFFIX)
+VISUALINFO.BIN.SRC := src/visualinfo.c
+VISUALINFO.BIN.OBJ := $(addprefix tmp/$(SYSTEM)/default/shared/,$(notdir $(VISUALINFO.BIN.SRC)))
+VISUALINFO.BIN.OBJ := $(VISUALINFO.BIN.OBJ:.c=.o)
+
+glew.bin: glew.lib bin bin/$(GLEWINFO.BIN) bin/$(VISUALINFO.BIN) 
 
 bin:
 	mkdir bin
 
-glew.bin:     glew.lib bin bin/$(GLEWINFO.BIN) bin/$(VISUALINFO.BIN) 
+bin/$(GLEWINFO.BIN): $(GLEWINFO.BIN.OBJ) lib/$(LIB.SHARED)
+	$(CC) $(CFLAGS) -o $@ $(GLEWINFO.BIN.OBJ) $(BIN.LIBS)
+ifneq ($(STRIP),)
+	$(STRIP) -x $@
+endif
 
-bin/$(GLEWINFO.BIN): $(GLEWINFO.BIN.OBJS) lib/$(LIB.SHARED)
+bin/$(VISUALINFO.BIN): $(VISUALINFO.BIN.OBJ) lib/$(LIB.SHARED)
-	$(CC) $(CFLAGS) -o $@ $(GLEWINFO.BIN.OBJS) $(BIN.LIBS)
+	$(CC) $(CFLAGS) -o $@ $(VISUALINFO.BIN.OBJ) $(BIN.LIBS)
+ifneq ($(STRIP),)
+	$(STRIP) -x $@
+endif
 
-bin/$(VISUALINFO.BIN): $(VISUALINFO.BIN.OBJS) lib/$(LIB.SHARED)
+$(GLEWINFO.BIN.OBJ): $(GLEWINFO.BIN.SRC) include/GL/glew.h include/GL/wglew.h include/GL/glxew.h
-	$(CC) $(CFLAGS) -o $@ $(VISUALINFO.BIN.OBJS) $(BIN.LIBS)
+	@mkdir -p $(dir $@)
+	$(CC) -DGLEW_NO_GLU $(CFLAGS) $(CFLAGS.SO) -o $@ -c $<
+
+$(VISUALINFO.BIN.OBJ): $(VISUALINFO.BIN.SRC) include/GL/glew.h include/GL/wglew.h include/GL/glxew.h
+	@mkdir -p $(dir $@)
+	$(CC) -DGLEW_NO_GLU $(CFLAGS) $(CFLAGS.SO) -o $@ -c $<
 
 # Install targets
 
@@ -182,10 +221,8 @@ install.lib: glew.lib
 # runtime
 ifeq ($(filter-out mingw% cygwin,$(SYSTEM)),)
 	$(INSTALL) -d -m 0755 $(BINDIR)
-	$(STRIP) -x lib/$(LIB.SHARED)
 $(INSTALL) -m 0755 lib/$(LIB.SHARED) $(BINDIR)/
 else
-	$(STRIP) -x lib/$(LIB.SHARED)
 	$(INSTALL) -m 0644 lib/$(LIB.SHARED) $(LIBDIR)/
 	$(LN) $(LIB.SHARED) $(LIBDIR)/$(LIB.SONAME)
 endif
@@ -195,7 +232,6 @@ ifeq ($(filter-out mingw% cygwin,$(SYSTEM)),)
 else
 	$(LN) $(LIB.SHARED) $(LIBDIR)/$(LIB.DEVLNK)
 endif
-	$(STRIP) -x lib/$(LIB.STATIC)
 	$(INSTALL) -m 0644 lib/$(LIB.STATIC) $(LIBDIR)/
 
 install.lib.mx: glew.lib.mx
@@ -203,10 +239,8 @@ install.lib.mx: glew.lib.mx
 # runtime
 ifeq ($(filter-out mingw% cygwin,$(SYSTEM)),)
 	$(INSTALL) -d -m 0755 $(BINDIR)
-	$(STRIP) -x lib/$(LIB.SHARED.MX)
 	$(INSTALL) -m 0755 lib/$(LIB.SHARED.MX) $(BINDIR)/
 else
-	$(STRIP) -x lib/$(LIB.SHARED.MX)
 	$(INSTALL) -m 0644 lib/$(LIB.SHARED.MX) $(LIBDIR)/
 	$(LN) $(LIB.SHARED.MX) $(LIBDIR)/$(LIB.SONAME.MX)
 endif
@@ -216,7 +250,6 @@ ifeq ($(filter-out mingw% cygwin,$(SYSTEM)),)
 else
 	$(LN) $(LIB.SHARED.MX) $(LIBDIR)/$(LIB.DEVLNK.MX)
 endif
-	$(STRIP) -x lib/$(LIB.STATIC.MX)
 	$(INSTALL) -m 0644 lib/$(LIB.STATIC.MX) $(LIBDIR)/
 
 install.bin: glew.bin
@@ -254,15 +287,10 @@ endif
 	$(RM) $(BINDIR)/$(GLEWINFO.BIN) $(BINDIR)/$(VISUALINFO.BIN)
 
 clean:
-	$(RM) $(LIB.OBJS) $(LIB.OBJS.MX)
+	$(RM) -r tmp/
-	$(RM) $(LIB.SOBJS) $(LIB.SOBJS.MX)
+	$(RM) -r lib/
-	$(RM) lib/$(LIB.STATIC) lib/$(LIB.SHARED) lib/$(LIB.DEVLNK) lib/$(LIB.SONAME) $(LIB.STATIC)
+	$(RM) -r bin/
-	$(RM) lib/$(LIB.STATIC.MX) lib/$(LIB.SHARED.MX) lib/$(LIB.DEVLNK.MX) lib/$(LIB.SONAME.MX) $(LIB.STATIC.MX)
-	$(RM) $(GLEWINFO.BIN.OBJS) bin/$(GLEWINFO.BIN) $(VISUALINFO.BIN.OBJS) bin/$(VISUALINFO.BIN)
 	$(RM) glew.pc glewmx.pc
-# Compiler droppings
-	$(RM) so_locations
-	$(RM) -r lib/ bin/
 
 distclean: clean
 	find . -name \*~ | xargs $(RM)
@@ -312,9 +340,6 @@ dist-src:
 	cp -a Makefile $(TARDIR)
 	cp -a glew.pc.in $(TARDIR)
 	find $(TARDIR) -name '*.o' | xargs $(RM) -r
-	find $(TARDIR) -name '*.mx.o' | xargs $(RM) -r
-	find $(TARDIR) -name '*.pic_o' | xargs $(RM) -r
-	find $(TARDIR) -name '*.mx.pic_o' | xargs $(RM) -r
 	find $(TARDIR) -name '*~' | xargs $(RM) -r
 	find $(TARDIR) -name CVS -o -name .cvsignore | xargs $(RM) -r
 	find $(TARDIR) -name .svn | xargs $(RM) -r

config/Makefile.darwin

@@ -25,4 +25,3 @@ LIB.DEVLNK.MX = lib$(NAME)mx.dylib
 LIB.SHARED.MX = lib$(NAME)mx.$(SO_VERSION).dylib
 LIB.STATIC.MX = lib$(NAME)mx.a
 LDFLAGS.SO.MX = -dynamiclib -install_name $(GLEW_DEST)/lib/$(LIB.SHARED.MX) -current_version $(SO_VERSION) -compatibility_version $(SO_MAJOR)
-SHARED_OBJ_EXT = pic_o

config/Makefile.darwin-x86_64

@@ -25,4 +25,3 @@ LIB.DEVLNK.MX = lib$(NAME)mx.dylib
 LIB.SHARED.MX = lib$(NAME)mx.$(SO_VERSION).dylib
 LIB.STATIC.MX = lib$(NAME)mx.a
 LDFLAGS.SO.MX = -dynamiclib -install_name $(GLEW_DEST)/lib/$(LIB.SHARED.MX) -current_version $(SO_VERSION) -compatibility_version $(SO_MAJOR)
-SHARED_OBJ_EXT = pic_o

config/Makefile.gnu

@@ -20,4 +20,3 @@ LIB.DEVLNK.MX = lib$(NAME)mx.so
 LIB.SHARED.MX = lib$(NAME)mx.so.$(SO_VERSION)
 LIB.STATIC.MX = lib$(NAME)mx.a
 LDFLAGS.SO.MX = -shared -Wl,-soname=$(LIB.SONAME.MX)
-SHARED_OBJ_EXT = pic_o

config/Makefile.kfreebsd

@@ -20,4 +20,3 @@ LIB.DEVLNK.MX = lib$(NAME)mx.so
 LIB.SHARED.MX = lib$(NAME)mx.so.$(SO_VERSION)
 LIB.STATIC.MX = lib$(NAME)mx.a
 LDFLAGS.SO.MX = -shared -Wl,-soname $(LIB.SONAME.MX)
-SHARED_OBJ_EXT = pic_o

config/Makefile.linux

@@ -27,4 +27,3 @@ LIB.DEVLNK.MX = lib$(NAME)mx.so
 LIB.SHARED.MX = lib$(NAME)mx.so.$(SO_VERSION)
 LIB.STATIC.MX = lib$(NAME)mx.a
 LDFLAGS.SO.MX = -shared -Wl,-soname=$(LIB.SONAME.MX)
-SHARED_OBJ_EXT = pic_o