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c74f48a4ec
Back-patch commit dddfc4cb2, which broke LDFLAGS and related Makefile variables into two parts, one for within-build-tree library references and one for external libraries, to ensure that the order of -L flags has all of the former before all of the latter. This turns out to fix a problem recently noted on buildfarm member peripatus, that we attempted to incorporate code from libpgport.a into a shared library. That will fail on platforms that are sticky about putting non-PIC code into shared libraries. (It's quite surprising we hadn't seen such failures before, since the code in question has been like that for a long time.) I think that peripatus' problem could have been fixed with just a subset of this patch; but since the previous issue of accidentally linking to the wrong copy of a Postgres shlib seems likely to bite people in the field, let's just back-patch the whole change. Now that commit dddfc4cb2 has survived some beta testing, I'm less afraid to back-patch it than I was at the time. This also fixes undesired inclusion of "-DFRONTEND" in pg_config's CPPFLAGS output (in 9.6 and up) and undesired inclusion of "-L../../src/common" in its LDFLAGS output (in all supported branches). Back-patch to v10 and older branches; this is already in v11. Discussion: https://postgr.es/m/20180704234304.bq2dxispefl65odz@ler-imac.local
109 lines
3.6 KiB
Makefile
109 lines
3.6 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 applications
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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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# You can also symlink/copy individual source files from this directory,
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# to compile with different options. (libpq does that, because it needs
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# to use -fPIC on some platforms.)
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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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# don't include subdirectory-path-dependent -I and -L switches
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STD_CPPFLAGS := $(filter-out -I$(top_srcdir)/src/include -I$(top_builddir)/src/include,$(CPPFLAGS))
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STD_LDFLAGS := $(filter-out -L$(top_builddir)/src/common -L$(top_builddir)/src/port,$(LDFLAGS))
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override CPPFLAGS += -DVAL_CONFIGURE="\"$(configure_args)\""
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override CPPFLAGS += -DVAL_CC="\"$(CC)\""
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override CPPFLAGS += -DVAL_CPPFLAGS="\"$(STD_CPPFLAGS)\""
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override CPPFLAGS += -DVAL_CFLAGS="\"$(CFLAGS)\""
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override CPPFLAGS += -DVAL_CFLAGS_SL="\"$(CFLAGS_SL)\""
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override CPPFLAGS += -DVAL_LDFLAGS="\"$(STD_LDFLAGS)\""
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override CPPFLAGS += -DVAL_LDFLAGS_EX="\"$(LDFLAGS_EX)\""
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override CPPFLAGS += -DVAL_LDFLAGS_SL="\"$(LDFLAGS_SL)\""
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override CPPFLAGS += -DVAL_LIBS="\"$(LIBS)\""
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override CPPFLAGS := -DFRONTEND $(CPPFLAGS)
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LIBS += $(PTHREAD_LIBS)
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OBJS_COMMON = base64.o config_info.o controldata_utils.o exec.o ip.o \
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keywords.o md5.o pg_lzcompress.o pgfnames.o psprintf.o relpath.o \
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rmtree.o saslprep.o scram-common.o string.o unicode_norm.o \
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username.o wait_error.o
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ifeq ($(with_openssl),yes)
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OBJS_COMMON += sha2_openssl.o
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else
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OBJS_COMMON += sha2.o
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endif
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OBJS_FRONTEND = $(OBJS_COMMON) fe_memutils.o file_utils.o restricted_token.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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$(MAKE) -C ../backend submake-errcodes
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# Dependencies of keywords.o need to be managed explicitly to make sure
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# that you don't get broken parsing code, even in a non-enable-depend build.
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# Note that gram.h isn't required for the frontend version of keywords.o.
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$(top_builddir)/src/include/parser/gram.h: $(top_srcdir)/src/backend/parser/gram.y
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$(MAKE) -C $(top_builddir)/src/backend $(top_builddir)/src/include/parser/gram.h
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keywords.o: $(top_srcdir)/src/include/parser/kwlist.h
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keywords_srv.o: $(top_builddir)/src/include/parser/gram.h $(top_srcdir)/src/include/parser/kwlist.h
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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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