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685a8ad23b
This ensures that make clean always proceeds, even if the user accidentally creates a file named 'clean'. Also, it ignores errors in rm and other commands. Signed-off-by: Jan Janak <jan@ryngle.com>
80 lines
2.5 KiB
Makefile
80 lines
2.5 KiB
Makefile
# Default FLAGS, (can be overridden by user such as "make CFLAGS=-O2")
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WARN_FLAGS=-Wall -Wextra -Wmissing-declarations -Wwrite-strings -Wswitch-enum
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CFLAGS=-O2
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# Additional programs that are used during the compilation process.
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EMACS ?= emacs
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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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# Additional flags that we will append to whatever the user set.
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# These aren't intended for the user to manipulate.
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extra_cflags := $(shell pkg-config --cflags glib-2.0 gmime-2.4 talloc)
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extra_cxxflags := $(shell xapian-config --cxxflags)
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emacs_lispdir := $(shell pkg-config emacs --variable sitepkglispdir)
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# Hard-code if this system doesn't have an emacs.pc file
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ifeq ($(emacs_lispdir),)
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emacs_lispdir = $(prefix)/share/emacs/site-lisp
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endif
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all_deps = Makefile Makefile.local Makefile.config \
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lib/Makefile lib/Makefile.local
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# Now smash together user's values with our extra values
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override CFLAGS += $(WARN_FLAGS) $(extra_cflags)
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override CXXFLAGS += $(WARN_FLAGS) $(extra_cflags) $(extra_cxxflags)
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override LDFLAGS += \
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$(shell pkg-config --libs glib-2.0 gmime-2.4 talloc) \
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$(shell xapian-config --libs)
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# Include our local Makefile.local first so that its first target is default
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include Makefile.local
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include lib/Makefile.local
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# And get user settings from the output of configure
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include Makefile.config
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# The user has not set any verbosity, default to quiet mode and inform the
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# user how to enable verbose compiles.
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ifeq ($(V),)
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quiet_DOC := "Use \"$(MAKE) V=1\" to see the verbose compile lines.\n"
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quiet = @echo $(quiet_DOC)$(eval quiet_DOC:=)" $1 $@"; $($1)
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endif
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# The user has explicitly enabled quiet compilation.
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ifeq ($(V),0)
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quiet = @echo " $1 $@"; $($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 $(all_deps)
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$(call quiet,CXX) -c $(CXXFLAGS) $< -o $@
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%.o: %.c $(all_deps)
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$(call quiet,CC) -c $(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 $(all_deps)
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@set -e; rm -f $@; mkdir -p $$(dirname $@) ; \
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$(CC) -M $(CPPFLAGS) $(CFLAGS) $< > $@.$$$$; \
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sed 's,'$$(basename $*)'\.o[ :]*,$*.o $@ : ,g' < $@.$$$$ > $@; \
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rm -f $@.$$$$
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.deps/%.d: %.cc $(all_deps)
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@set -e; rm -f $@; mkdir -p $$(dirname $@) ; \
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$(CXX) -M $(CPPFLAGS) $(CXXFLAGS) $< > $@.$$$$; \
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sed 's,'$$(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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