X-Git-Url: http://deadsoftware.ru/gitweb?p=odcread.git;a=blobdiff_plain;f=Makefile;h=b1fac089f138b1ae207a0a16fec379fe5e6e6f2c;hp=e03bf66b81765e6def5abb7a416c956c6c589aa5;hb=HEAD;hpb=4618e826a4ebe5e60e1d2c419fca7da71657bf9b diff --git a/Makefile b/Makefile index e03bf66..b1fac08 100644 --- a/Makefile +++ b/Makefile @@ -1,7 +1,54 @@ -HEADERS=oberon.h store.h reader.h domain.h +# Modules, each containing: +# * $(MODULE)/Make.inc -- makefile include +# * $(MODULE)/$(MODULE).h -- minimal "interface" header file +# * $(MODULE)/$(MODULE).ih -- internal/implementation header file +# (only to be included by sources within the module) +# * $(MODULE)/*.cc -- module source files +MODULES := main reader store alien typeregister textmodel fold typepath -odcread: odcread.o reader.o store.o util.o - g++ -o $@ $^ +CXXFLAGS = -I. +CXX = g++ -%.o: %.cc $(HEADERS) - g++ -c -I. -o $@ $< +# Variables for the modules to write to +SRCS := + +# Include module definitions +include $(patsubst %,%/Make.inc,$(MODULES)) + +# This rule just links the object files together +odcread: $(SRCS:.cc=.o) + $(CXX) -liconv -o $@ $^ + +# This rule build an object (.o) from a source (.cc). +%.o: %.cc + $(CXX) $(CXXFLAGS) $< -c -o $@ + +# For each implementation header (.ih) generate a dependency (.d) file which +# will ensure that the compiled header (.ih.gch) is rebuilt whenever the header +# files included by the .ih are updated. +# The options given to GCC for this are as follows: +# -MM : calculate dependencies, but exclude system headers +# -MF : output dependencies to the given file +# -MP : generate "header.h:" rules to avoid errors on deletion of headers +# -MT : the main rule has the given target (to handle subdirs correctly) +# The .d file is not an explicit target because it will need to be (re-)built +# if and only if the .ih.gch needs to be rebuilt. +%.ih.gch: %.ih + $(CXX) $(CXXFLAGS) -x c++-header $< -MM -MF $*.d -MP -MT $@ + $(CXX) $(CXXFLAGS) -x c++-header $< -o $@ + +# Each module has a .ih file that should be *the only* include from the .cc +# files. These .ih files are pre-compiled to .ih.gch, and dependency caching +# is based on the .ih files, not the .cc files. +define depend_on_compiled_header +$(patsubst %.cc,%.o,$(1)) : $(dir $(1))module.ih.gch +endef +$(foreach src,$(SRCS),$(eval $(call depend_on_compiled_header,$(src)))) + +clean: + rm -f */*.o */module.d */module.ih.gch + +dist-clean: clean + rm -f odcread +# Include the generated dependency files (if they exist) +-include $(patsubst %,%/module.d,$(MODULES))