131 lines
3.7 KiB
Makefile
131 lines
3.7 KiB
Makefile
# This file gets included into the main Makefile, in the top directory.
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# Ideally, we want something like this:
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#
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# /lib/libproc.so.w ELF soname ('w' is a digit, starting from 1)
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# /lib/procps-x.y.z.so file itself (x.y.z is the procps version)
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# /lib/libproc.so for linking, UNSUPPORTED
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# /usr/lib/libproc.a for linking, UNSUPPORTED
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# proc/libproc.so.w as above, if testing with LD_LIBRARY_PATH
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# proc/whatever if testing with LD_PRELOAD
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# proc/libproc.a for static build
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#
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# Without a stable ABI, there's no point in having any of that.
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# Without a stable API, there's no point in having the *.a file.
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#
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# A new ELF soname is required for every big ABI change. To conserve
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# numbers for future use, the ELF soname can be set equal to the
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# file name until some future date when a stable ABI is declared.
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SHARED := 1
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# for lib$(NAME).so and /usr/include/($NAME) and such
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NAME := proc
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LIBVERSION := $(VERSION).$(SUBVERSION).$(MINORVERSION)
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ABIVERSION := 0
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SOFILE := lib$(NAME)-$(LIBVERSION).so
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ifneq ($(ABIVERSION),0)
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SOLINK := lib$(NAME).so
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SONAME := lib$(NAME).so.$(ABIVERSION)
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else
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SONAME := $(SOFILE)
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SOLINK := $(SOFILE)
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endif
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ANAME := lib$(NAME).a
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############
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FPIC := -fpic
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ifeq ($(SHARED),1)
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ALL += proc/$(SONAME)
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INSTALL += ldconfig
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LIBFLAGS := -DSHARED=1 $(FPIC)
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# This is in gcc 3.5, but exported functions must be marked.
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#LIBFLAGS += $(call check_gcc,-fvisibility=hidden,)
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LIBPROC := proc/$(SONAME)
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else
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ALL += proc/$(ANAME)
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#INSTALL += $(usr/lib)$(ANAME)
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LIBFLAGS := -DSHARED=0
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LIBPROC := proc/$(ANAME)
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endif
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LIBSRC := $(wildcard proc/*.c)
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LIBHDR := $(wildcard proc/*.h)
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LIBOBJ := $(LIBSRC:.c=.o)
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# Separate rule for this directory, to use -fpic or -fPIC
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$(filter-out proc/version.o,$(LIBOBJ)): proc/%.o: proc/%.c
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$(CC) -c $(ALL_CPPFLAGS) $(ALL_CFLAGS) $(LIBFLAGS) $< -o $@
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LIB_X := COPYING module.mk library.map
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TARFILES += $(LIBSRC) $(LIBHDR) $(addprefix proc/,$(LIB_X))
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# Clean away all output files, .depend, and symlinks.
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# Use wildcards in case the version has changed.
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CLEAN += proc/.depend proc/lib*.so* proc/lib*.a $(LIBOBJ)
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DIRS += proc/
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proc/$(ANAME): $(LIBOBJ)
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$(AR) rcs $@ $^
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#proc/$(SONAME): proc/library.map
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proc/$(SONAME): $(LIBOBJ)
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$(CC) $(ALL_CFLAGS) $(ALL_LDFLAGS) -shared -Wl,-soname,$(SONAME) -Wl,--version-script=proc/library.map -o $@ $^ -lc
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# AUTOMATIC DEPENDENCY GENERATION -- GCC AND GNUMAKE DEPENDENT
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proc/.depend: $(LIBSRC) $(LIBHDR)
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$(strip $(CC) $(ALL_CPPFLAGS) $(LIB_CFLAGS) -MM -MG $(LIBSRC) > $@)
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ifneq ($(MAKECMDGOALS),clean)
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ifneq ($(MAKECMDGOALS),tar)
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ifneq ($(MAKECMDGOALS),extratar)
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ifneq ($(MAKECMDGOALS),beta)
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-include proc/.depend
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endif
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endif
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endif
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endif
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#################### install rules ###########################
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$(lib)$(SOFILE) : proc/$(SONAME)
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$(install) --mode a=rx $< $@
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ifneq ($(SOLINK),$(SOFILE))
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.PHONY: $(lib)$(SOLINK)
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$(lib)$(SOLINK) : $(lib)$(SOFILE)
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cd $(lib) && $(ln_sf) $(SOFILE) $(SOLINK)
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endif
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ifneq ($(SONAME),$(SOFILE))
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.PHONY: $(lib)$(SONAME)
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$(lib)$(SONAME) : $(lib)$(SOFILE)
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cd $(lib) && $(ln_sf) $(SOFILE) $(SONAME)
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endif
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.PHONY: ldconfig
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ldconfig : $(lib)$(SONAME) $(lib)$(SOLINK)
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$(ldconfig)
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$(usr/lib)$(ANAME) : proc/$(ANAME)
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$(install) --mode a=r $< $@
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# Junk anyway... supposed to go in /usr/include/$(NAME)
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#INSTALL += $(addprefix $(include),$(HDRFILES))
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#
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#$(addprefix $(include),$(HDRFILES)): $(include)% : proc/%
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#$(include)% : proc/%
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# $(install) --mode a=r $< $@
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##################################################################
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proc/version.o: proc/version.c proc/version.h
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$(CC) $(ALL_CPPFLAGS) $(ALL_CFLAGS) $(LIBFLAGS) -DVERSION=\"$(VERSION)\" -DSUBVERSION=\"$(SUBVERSION)\" -DMINORVERSION=\"$(MINORVERSION)\" -c -o $@ $<
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