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585f16dc80
When the library already exists in the build directory, "ar" preserves members not named on its command line. This mattered when, for example, a "configure" rerun dropped a file from $(LIBOBJS). libpgport carried the obsolete member until "make clean". Back-patch to 9.0 (all supported versions).
73 lines
1.9 KiB
Makefile
73 lines
1.9 KiB
Makefile
#-------------------------------------------------------------------------
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#
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# Makefile
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# Makefile for src/common
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#
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# This makefile generates two outputs:
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#
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# libpgcommon.a - contains object files with FRONTEND defined,
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# for use by client application and libraries
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#
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# libpgcommon_srv.a - contains object files without FRONTEND defined,
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# for use only by the backend binaries
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#
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# IDENTIFICATION
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# src/common/Makefile
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#
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#-------------------------------------------------------------------------
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subdir = src/common
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top_builddir = ../..
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include $(top_builddir)/src/Makefile.global
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override CPPFLAGS := -DFRONTEND $(CPPFLAGS)
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LIBS += $(PTHREAD_LIBS)
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OBJS_COMMON = relpath.o string.o
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OBJS_FRONTEND = $(OBJS_COMMON) fe_memutils.o
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OBJS_SRV = $(OBJS_COMMON:%.o=%_srv.o)
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all: libpgcommon.a libpgcommon_srv.a
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# libpgcommon is needed by some contrib
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install: all installdirs
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$(INSTALL_STLIB) libpgcommon.a '$(DESTDIR)$(libdir)/libpgcommon.a'
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installdirs:
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$(MKDIR_P) '$(DESTDIR)$(libdir)'
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uninstall:
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rm -f '$(DESTDIR)$(libdir)/libpgcommon.a'
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libpgcommon.a: $(OBJS_FRONTEND)
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rm -f $@
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$(AR) $(AROPT) $@ $^
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#
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# Server versions of object files
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#
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libpgcommon_srv.a: $(OBJS_SRV)
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rm -f $@
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$(AR) $(AROPT) $@ $^
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# Because this uses its own compilation rule, it doesn't use the
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# dependency tracking logic from Makefile.global. To make sure that
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# dependency tracking works anyway for the *_srv.o files, depend on
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# their *.o siblings as well, which do have proper dependencies. It's
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# a hack that might fail someday if there is a *_srv.o without a
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# corresponding *.o, but it works for now.
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%_srv.o: %.c %.o
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$(CC) $(CFLAGS) $(subst -DFRONTEND,, $(CPPFLAGS)) -c $< -o $@
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$(OBJS_SRV): | submake-errcodes
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.PHONY: submake-errcodes
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submake-errcodes:
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$(MAKE) -C ../backend submake-errcodes
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clean distclean maintainer-clean:
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rm -f libpgcommon.a libpgcommon_srv.a $(OBJS_FRONTEND) $(OBJS_SRV)
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