mirror of
https://git.notmuchmail.org/git/notmuch
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86232e62ab
We were previously maintaining two lists of the child Makefile fragments---one for the includes and another for the dependencies. So, of course, they drifted and the dependency list wasn't up to date. We fix this by adding a single subdirs variable, and then using GNU Makefile substitution to generate both the include and the dependency lists. Some side effect of this change caused the '=' assignment of the dir variable to not work anymore. I'm not sure why that is, but using ':=' makes sense here and fixes the problem.
91 lines
3 KiB
Makefile
91 lines
3 KiB
Makefile
WARN_CXXFLAGS=-Wall -Wextra -Wwrite-strings -Wswitch-enum
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WARN_CFLAGS=$(WARN_CXXFLAGS) -Wmissing-declarations
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# Additional programs that are used during the compilation process.
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EMACS ?= emacs --quick
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# Lowercase to avoid clash with GZIP environment variable for passing
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# arguments to gzip.
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gzip = gzip
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bash_completion_dir = /etc/bash_completion.d
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zsh_completion_dir = /usr/share/zsh/functions/Completion/Unix
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extra_cflags :=
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extra_cxxflags :=
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# Now smash together user's values with our extra values
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FINAL_CFLAGS = $(CFLAGS) $(WARN_CFLAGS) $(CONFIGURE_CFLAGS) $(extra_cflags)
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FINAL_CXXFLAGS = $(CXXFLAGS) $(WARN_CXXFLAGS) $(CONFIGURE_CXXFLAGS) $(extra_cflags) $(extra_cxxflags)
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FINAL_LDFLAGS = $(LDFLAGS) $(CONFIGURE_LDFLAGS)
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all: notmuch notmuch.1.gz
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ifeq ($(MAKECMDGOALS),)
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@echo ""
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@echo "Compilation of notmuch is now complete. You can install notmuch with:"
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@echo ""
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@echo " make install"
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@echo ""
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@echo "Note that depending on the prefix to which you are installing"
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@echo "you may need root permission (such as \"sudo make install\")."
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@echo "See \"./configure --help\" for help on setting an alternate prefix."
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endif
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# Before including any other Makefile fragments, get settings from the
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# output of configure
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Makefile.config: configure
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@echo ""
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@echo "Note: Calling ./configure with no command-line arguments. This is often fine,"
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@echo " but if you want to specify any arguments (such as an alternate prefix"
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@echo " into which to install), call ./configure explicitly and then make again."
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@echo " See \"./configure --help\" for more details."
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@echo ""
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./configure
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subdirs = compat emacs lib
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global_deps = Makefile Makefile.config Makefile.local \
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$(subdirs:%=%/Makefile) $(subdirs:%=%/Makefile.local)
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include Makefile.config Makefile.local $(subdirs:%=%/Makefile.local)
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# The user has not set any verbosity, default to quiet mode and inform the
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# user how to enable verbose compiles.
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ifeq ($(V),)
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quiet_DOC := "Use \"$(MAKE) V=1\" to see the verbose compile lines.\n"
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quiet = @printf $(quiet_DOC)$(eval quiet_DOC:=)" $1 $2 $@\n"; $($1)
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endif
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# The user has explicitly enabled quiet compilation.
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ifeq ($(V),0)
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quiet = @printf " $1 $@\n"; $($1)
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endif
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# Otherwise, print the full command line.
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quiet ?= $($1)
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%.o: %.cc $(global_deps)
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$(call quiet,CXX,$(CXXFLAGS)) -c $(FINAL_CXXFLAGS) $< -o $@
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%.o: %.c $(global_deps)
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$(call quiet,CC,$(CFLAGS)) -c $(FINAL_CFLAGS) $< -o $@
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%.elc: %.el
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$(call quiet,EMACS) -batch -f batch-byte-compile $<
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.deps/%.d: %.c $(global_deps)
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@set -e; rm -f $@; mkdir -p $$(dirname $@) ; \
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$(CC) -M $(CPPFLAGS) $(FINAL_CFLAGS) $< > $@.$$$$ 2>/dev/null ; \
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sed 's,'$$(basename $*)'\.o[ :]*,$*.o $@ : ,g' < $@.$$$$ > $@; \
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rm -f $@.$$$$
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.deps/%.d: %.cc $(global_deps)
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@set -e; rm -f $@; mkdir -p $$(dirname $@) ; \
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$(CXX) -M $(CPPFLAGS) $(FINAL_CXXFLAGS) $< > $@.$$$$ 2>/dev/null ; \
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sed 's,'$$(basename $*)'\.o[ :]*,$*.o $@ : ,g' < $@.$$$$ > $@; \
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rm -f $@.$$$$
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DEPS := $(SRCS:%.c=.deps/%.d)
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DEPS := $(DEPS:%.cc=.deps/%.d)
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-include $(DEPS)
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.PHONY : clean
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clean:
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rm -f $(CLEAN); rm -rf .deps
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