Gabriele Cosmo
144 lines
4.7 KiB
Plaintext
144 lines
4.7 KiB
Plaintext
# $Id: common.gmk,v 1.35 2003/01/22 18:02:03 gcosmo Exp $
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# ----------------------------------------------------------------
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# Common part of GNUmakefile for libraries. John Allison, 5/7/95.
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# ----------------------------------------------------------------
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# Libraries are created according to G4SYSTEM. G.Cosmo, 11/6/96.
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# Introduced G4LIBDIR and G4TMPDIR. G.Cosmo, 23/6/98.
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ifndef G4LIBDIR
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G4LIBDIR := $(G4LIB)/$(G4SYSTEM)
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endif
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G4TMPDIR := $(G4TMP)/$(G4SYSTEM)/$(name)
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sources := $(wildcard src/*.cc)
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objects := $(patsubst src/%.cc,$(G4TMPDIR)/%.o,$(sources))
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dependencies := $(patsubst src/%.cc,$(G4TMPDIR)/%.d,$(sources))
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g4libraries_to_build :=
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ifneq ($(G4LIB_BUILD_SHARED),)
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g4libraries_to_build += $(G4LIBDIR)/lib$(name).$(SHEXT)
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endif
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ifneq ($(G4LIB_BUILD_STATIC),)
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g4libraries_to_build += $(G4LIBDIR)/lib$(name).a
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endif
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# GPPFLAGS is defined here to make the .d file(s) and include it(them).
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GPPFLAGS := "-M"
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###############################################################################
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#
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# Actual gmake targets.
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#
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lib: $(g4libraries_to_build)
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ifneq ($(G4LIB_BUILD_SHARED),)
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# Make shared library.
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$(G4LIBDIR)/lib$(name).$(SHEXT): $(G4TMPDIR)/obj.last
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@if [ ! -d $(G4LIBDIR) ] ; then mkdir $(G4LIBDIR) ;fi
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@echo Creating shared library $@
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@$(RM) $@
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# use architecture specific macro defined in sys/$(G4SYSTEM).gmk
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$(build-granular-shared-lib)
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endif
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ifneq ($(G4LIB_BUILD_STATIC),)
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# Make static (archive) library.
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$(G4LIBDIR)/lib$(name).a: $(G4TMPDIR)/obj.last
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@if [ ! -d $(G4LIBDIR) ] ; then mkdir $(G4LIBDIR) ;fi
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@echo Creating/replacing object files in $(G4LIBDIR)/lib$(name).a
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@rm -f $(G4LIBDIR)/lib$(name).a
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@$(AR) $(OUT_LIB)$(G4LIBDIR)/lib$(name).a $(G4TMPDIR)/*.o
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@if [ -f /usr/bin/ranlib -o -f /bin/ranlib ] ; then ranlib $(G4LIBDIR)/lib$(name).a ;fi
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endif
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###############################################################################
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#
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# Actual targets for .o, .d files
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#
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$(G4TMPDIR)/%.o: src/%.cc
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ifdef CPPVERBOSE
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$(CXX) $(CXXFLAGS) $(CPPFLAGS) -c $(OUT_OBJ)$(G4TMPDIR)/$(*F).o src/$*.cc
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else
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@echo Compiling $*.cc ...
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@$(CXX) $(CXXFLAGS) $(CPPFLAGS) -c $(OUT_OBJ)$(G4TMPDIR)/$(*F).o src/$*.cc
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endif
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# .PHONY targets are executed regardless of time-stamp of any file of
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# same name.
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.PHONY: all obj lib clean clean_libs includes
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obj: $(G4TMPDIR)/obj.last
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# Touch the versioning file
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$(G4TMPDIR)/obj.last: $(objects)
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@touch $@
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# Make the .d file(s) and include it(them).
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# The ideas for this come from the GNU Make Manual, Section 4.12,
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# Generating Prerequisites Automatically. The g++ compiler has an
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# option -M or -MM to write to standard output a list of dependencies
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# based on the #include statements. The "sed" adds the dependency
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# file itself as a second target. The result is a mini-makefile which
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# specifies the .o and .d files as targets which depend on all the
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# files found through the #include statements. This file is then
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# included, causing GNU Make to honour these dependencies.
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# The "set -e" causes the shell to exit with an error when the "g++"
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# fails (otherwise it would only notice the last command in the
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# pipeline, namely "sed"). GNU Make notices the error and exits
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# sooner than it otherwise would (still not as soon as I expect,
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# though!). Even then, an empty file is made, so "[ -s $@ ] || rm -f
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# $@" removes it ([ -s filename ] gives zero exit code only if file
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# exists and has a size greater than zero). This avoids making
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# corrupt .d files which would play havoc with your next build.
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$(G4TMPDIR)/%.d: src/%.cc
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@echo Making dependency for file $< ...
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@if [ ! -d $(G4TMPDIR) ] ; then mkdir -p $(G4TMPDIR) ;fi
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@set -e;\
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g++ $(GPPFLAGS) $(CPPFLAGS) -w $< |\
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sed 's!$*\.o!$(G4TMPDIR)/& $@!' >$@;\
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[ -s $@ ] || rm -f $@
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ifneq ($(dependencies),)
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-include $(dependencies)
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endif
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#
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# Installation of include files
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#
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installed_includes:=$(foreach file,$(wildcard include/*),$(shell test -f $(file) && echo $(file)))
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installed_includes:=$(patsubst include/%,$(G4INCLUDE)/%,$(installed_includes))
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# NOTE: the double colon rule allows to add other rules for the same target
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#
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includes:: $(installed_includes)
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# Static Pattern rules, see GNU make manual for details.
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# target(s): target-pattern : dep-pattern
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#
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$(installed_includes): $(G4INCLUDE)/% : include/%
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@cp -p $< $@
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#
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# Clean up libraries
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#
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ifndef G4EXLIB
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clean:
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@echo Cleaning up ...
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@rm -f $(G4LIBDIR)/lib$(name).a
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@rm -f $(G4LIBDIR)/lib$(name).$(SHEXT)
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@rm -rf $(G4TMPDIR)
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endif
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clean_libs:
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@if [ -f $(G4LIBDIR)/lib$(name).a ] ; then \
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$(ECHO) Removing library lib$(name).a ... ; \
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$(RM) -f $(G4LIBDIR)/lib$(name).a ; fi
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@if [ -f $(G4LIBDIR)/lib$(name).$(SHEXT) ] ; then \
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$(ECHO) Removing library lib$(name).$(SHEXT) ... ; \
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$(RM) -f $(G4LIBDIR)/lib$(name).$(SHEXT) ; fi
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