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https://github.com/postgres/postgres.git
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69ae9dcb44
It's important for link commands to list *.o input files before -l switches for libraries, as library code may not get pulled into the link unless referenced by an earlier command-line entry. This is certainly necessary for static libraries (.a style). Apparently on some platforms it is also necessary for shared libraries, as reported by Donald Dong. We often put -l switches for within-tree libraries into LDFLAGS, meaning that link commands that list *.o files after LDFLAGS are hazardous. Most of our link commands got this right, but a few did not. In particular, places that relied on gmake's default implicit link rule failed, because that puts LDFLAGS first. Fix that by overriding the built-in rule with our own. The implicit link rules in src/makefiles/Makefile.* for single-.o-file shared libraries mostly got this wrong too, so fix them. I also changed the link rules for the backend and a couple of other places for consistency, even though they are not (currently) at risk because they aren't adding any -l switches to LDFLAGS. Arguably, the real problem here is that we're abusing LDFLAGS by putting -l switches in it and we should stop doing that. But changing that would be quite invasive, so I'm not eager to do so. Perhaps this is a candidate for back-patching, but so far it seems that problems can only be exhibited in test code we don't normally build, and at least some of the problems are new in HEAD anyway. So I'll refrain for now. Donald Dong and Tom Lane Discussion: https://postgr.es/m/CAKABAquXn-BF-vBeRZxhzvPyfMqgGuc74p8BmQZyCFDpyROBJQ@mail.gmail.com
322 lines
11 KiB
Makefile
322 lines
11 KiB
Makefile
#-------------------------------------------------------------------------
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#
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# Makefile for the postgres backend
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#
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# Portions Copyright (c) 1996-2019, PostgreSQL Global Development Group
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# Portions Copyright (c) 1994, Regents of the University of California
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#
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# src/backend/Makefile
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#
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#-------------------------------------------------------------------------
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PGFILEDESC = "PostgreSQL Server"
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# This is a daemon process, which is why it is not labeled as an executable
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#PGAPPICON=win32
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subdir = src/backend
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top_builddir = ../..
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include $(top_builddir)/src/Makefile.global
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SUBDIRS = access bootstrap catalog parser commands executor foreign lib libpq \
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main nodes optimizer partitioning port postmaster \
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regex replication rewrite \
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statistics storage tcop tsearch utils $(top_builddir)/src/timezone \
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jit
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include $(srcdir)/common.mk
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# As of 1/2010:
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# The probes.o file is necessary for dtrace support on Solaris, and on recent
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# versions of systemtap. (Older systemtap releases just produce an empty
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# file, but that's okay.) However, macOS's dtrace doesn't use it and doesn't
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# even recognize the -G option. So, build probes.o except on macOS.
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# This might need adjustment as other platforms add dtrace support.
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ifneq ($(PORTNAME), darwin)
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ifeq ($(enable_dtrace), yes)
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LOCALOBJS += utils/probes.o
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endif
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endif
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OBJS = $(SUBDIROBJS) $(LOCALOBJS) $(top_builddir)/src/port/libpgport_srv.a \
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$(top_builddir)/src/common/libpgcommon_srv.a
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# We put libpgport and libpgcommon into OBJS, so remove it from LIBS; also add
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# libldap and ICU
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LIBS := $(filter-out -lpgport -lpgcommon, $(LIBS)) $(LDAP_LIBS_BE) $(ICU_LIBS)
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# The backend doesn't need everything that's in LIBS, however
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LIBS := $(filter-out -lz -lreadline -ledit -ltermcap -lncurses -lcurses, $(LIBS))
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ifeq ($(with_systemd),yes)
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LIBS += -lsystemd
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endif
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##########################################################################
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all: submake-libpgport submake-catalog-headers submake-utils-headers postgres $(POSTGRES_IMP)
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ifneq ($(PORTNAME), cygwin)
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ifneq ($(PORTNAME), win32)
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ifneq ($(PORTNAME), aix)
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postgres: $(OBJS)
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$(CC) $(CFLAGS) $(call expand_subsys,$^) $(LDFLAGS) $(LDFLAGS_EX) $(export_dynamic) $(LIBS) -o $@
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endif
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endif
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endif
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ifeq ($(PORTNAME), cygwin)
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postgres: $(OBJS)
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$(CC) $(CFLAGS) $(call expand_subsys,$^) $(LDFLAGS) $(LDFLAGS_EX) $(export_dynamic) -Wl,--stack,$(WIN32_STACK_RLIMIT) -Wl,--export-all-symbols -Wl,--out-implib=libpostgres.a $(LIBS) -o $@
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# libpostgres.a is actually built in the preceding rule, but we need this to
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# ensure it's newer than postgres; see notes in src/backend/parser/Makefile
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libpostgres.a: postgres
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touch $@
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endif # cygwin
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ifeq ($(PORTNAME), win32)
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LIBS += -lsecur32
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postgres: $(OBJS) $(WIN32RES)
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$(CC) $(CFLAGS) $(call expand_subsys,$(OBJS)) $(WIN32RES) $(LDFLAGS) $(LDFLAGS_EX) -Wl,--stack=$(WIN32_STACK_RLIMIT) -Wl,--export-all-symbols -Wl,--out-implib=libpostgres.a $(LIBS) -o $@$(X)
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# libpostgres.a is actually built in the preceding rule, but we need this to
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# ensure it's newer than postgres; see notes in src/backend/parser/Makefile
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libpostgres.a: postgres
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touch $@
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endif # win32
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ifeq ($(PORTNAME), aix)
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postgres: $(POSTGRES_IMP)
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$(CC) $(CFLAGS) $(call expand_subsys,$(OBJS)) $(LDFLAGS) $(LDFLAGS_EX) -Wl,-bE:$(top_builddir)/src/backend/$(POSTGRES_IMP) $(LIBS) -Wl,-brtllib -o $@
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$(POSTGRES_IMP): $(OBJS)
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$(LD) $(LDREL) $(LDOUT) SUBSYS.o $(call expand_subsys,$^)
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ifeq ($(host_os), aix3.2.5)
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$(MKLDEXPORT) SUBSYS.o $(bindir)/postgres > $@
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else
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ifneq (,$(findstring aix4.1, $(host_os)))
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$(MKLDEXPORT) SUBSYS.o $(bindir)/postgres > $@
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else
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$(MKLDEXPORT) SUBSYS.o . > $@
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endif
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endif
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@rm -f SUBSYS.o
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endif # aix
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$(top_builddir)/src/port/libpgport_srv.a: | submake-libpgport
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# The postgres.o target is needed by the rule in Makefile.global that
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# creates the exports file when MAKE_EXPORTS = true.
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postgres.o: $(OBJS)
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$(CC) $(LDREL) $(call expand_subsys,$^) $(LDFLAGS) $(LDFLAGS_EX) $(LIBS) -o $@
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# The following targets are specified in make commands that appear in
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# the make files in our subdirectories. Note that it's important we
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# match the dependencies shown in the subdirectory makefiles!
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# Also, in cases where a subdirectory makefile generates two files in
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# what's really one step, such as bison producing both gram.h and gram.c,
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# we must request making the one that is shown as the secondary (dependent)
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# output, else the timestamp on it might be wrong. By project convention,
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# the .h file is the dependent one for bison output, so we need only request
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# that; but in other cases, request both for safety.
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parser/gram.h: parser/gram.y
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$(MAKE) -C parser gram.h
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storage/lmgr/lwlocknames.h: storage/lmgr/generate-lwlocknames.pl storage/lmgr/lwlocknames.txt
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$(MAKE) -C storage/lmgr lwlocknames.h lwlocknames.c
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# run this unconditionally to avoid needing to know its dependencies here:
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submake-catalog-headers:
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$(MAKE) -C catalog distprep generated-header-symlinks
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# run this unconditionally to avoid needing to know its dependencies here:
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submake-utils-headers:
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$(MAKE) -C utils distprep generated-header-symlinks
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.PHONY: submake-catalog-headers submake-utils-headers
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# Make symlinks for these headers in the include directory. That way
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# we can cut down on the -I options. Also, a symlink is automatically
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# up to date when we update the base file.
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#
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# The point of the prereqdir incantation in some of the rules below is to
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# force the symlink to use an absolute path rather than a relative path.
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# For headers which are generated by make distprep, the actual header within
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# src/backend will be in the source tree, while the symlink in src/include
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# will be in the build tree, so a simple ../.. reference won't work.
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# For headers generated during regular builds, we prefer a relative symlink.
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.PHONY: generated-headers
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generated-headers: $(top_builddir)/src/include/parser/gram.h $(top_builddir)/src/include/storage/lwlocknames.h submake-catalog-headers submake-utils-headers
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$(top_builddir)/src/include/parser/gram.h: parser/gram.h
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prereqdir=`cd '$(dir $<)' >/dev/null && pwd` && \
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cd '$(dir $@)' && rm -f $(notdir $@) && \
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$(LN_S) "$$prereqdir/$(notdir $<)" .
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$(top_builddir)/src/include/storage/lwlocknames.h: storage/lmgr/lwlocknames.h
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prereqdir=`cd '$(dir $<)' >/dev/null && pwd` && \
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cd '$(dir $@)' && rm -f $(notdir $@) && \
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$(LN_S) "$$prereqdir/$(notdir $<)" .
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utils/probes.o: utils/probes.d $(SUBDIROBJS)
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$(DTRACE) $(DTRACEFLAGS) -C -G -s $(call expand_subsys,$^) -o $@
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##########################################################################
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# Be sure that these files get removed by the maintainer-clean target
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distprep:
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$(MAKE) -C parser gram.c gram.h scan.c
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$(MAKE) -C bootstrap bootparse.c bootscanner.c
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$(MAKE) -C catalog distprep
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$(MAKE) -C replication repl_gram.c repl_scanner.c syncrep_gram.c syncrep_scanner.c
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$(MAKE) -C storage/lmgr lwlocknames.h lwlocknames.c
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$(MAKE) -C utils distprep
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$(MAKE) -C utils/misc guc-file.c
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$(MAKE) -C utils/sort qsort_tuple.c
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##########################################################################
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install: all installdirs install-bin
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ifeq ($(PORTNAME), cygwin)
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ifeq ($(MAKE_DLL), true)
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$(INSTALL_DATA) libpostgres.a '$(DESTDIR)$(libdir)/libpostgres.a'
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endif
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endif
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ifeq ($(PORTNAME), win32)
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ifeq ($(MAKE_DLL), true)
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$(INSTALL_DATA) libpostgres.a '$(DESTDIR)$(libdir)/libpostgres.a'
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endif
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endif
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$(MAKE) -C catalog install-data
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$(MAKE) -C tsearch install-data
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$(MAKE) -C utils install-data
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$(INSTALL_DATA) $(srcdir)/libpq/pg_hba.conf.sample '$(DESTDIR)$(datadir)/pg_hba.conf.sample'
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$(INSTALL_DATA) $(srcdir)/libpq/pg_ident.conf.sample '$(DESTDIR)$(datadir)/pg_ident.conf.sample'
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$(INSTALL_DATA) $(srcdir)/utils/misc/postgresql.conf.sample '$(DESTDIR)$(datadir)/postgresql.conf.sample'
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ifeq ($(with_llvm), yes)
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install-bin: install-postgres-bitcode
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install-postgres-bitcode: $(OBJS) all
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$(call install_llvm_module,postgres,$(call expand_subsys, $(filter-out $(top_builddir)/src/timezone/objfiles.txt, $(SUBDIROBJS))))
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endif
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install-bin: postgres $(POSTGRES_IMP) installdirs
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$(INSTALL_PROGRAM) postgres$(X) '$(DESTDIR)$(bindir)/postgres$(X)'
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ifneq ($(PORTNAME), win32)
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@rm -f '$(DESTDIR)$(bindir)/postmaster$(X)'
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ln -s postgres$(X) '$(DESTDIR)$(bindir)/postmaster$(X)'
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else
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$(INSTALL_PROGRAM) postgres$(X) '$(DESTDIR)$(bindir)/postmaster$(X)'
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endif
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ifeq ($(MAKE_EXPORTS), true)
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$(INSTALL_DATA) $(POSTGRES_IMP) '$(DESTDIR)$(pkglibdir)/$(POSTGRES_IMP)'
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$(INSTALL_PROGRAM) $(MKLDEXPORT) '$(DESTDIR)$(pgxsdir)/$(MKLDEXPORT_DIR)/mkldexport.sh'
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endif
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.PHONY: install-bin
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installdirs:
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$(MKDIR_P) '$(DESTDIR)$(bindir)' '$(DESTDIR)$(datadir)'
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ifeq ($(PORTNAME), cygwin)
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ifeq ($(MAKE_DLL), true)
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$(MKDIR_P) '$(DESTDIR)$(libdir)'
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endif
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endif
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ifeq ($(PORTNAME), win32)
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ifeq ($(MAKE_DLL), true)
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$(MKDIR_P) '$(DESTDIR)$(libdir)'
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endif
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endif
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ifeq ($(MAKE_EXPORTS), true)
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$(MKDIR_P) '$(DESTDIR)$(pkglibdir)'
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$(MKDIR_P) '$(DESTDIR)$(pgxsdir)/$(MKLDEXPORT_DIR)'
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endif
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##########################################################################
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uninstall:
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rm -f '$(DESTDIR)$(bindir)/postgres$(X)' '$(DESTDIR)$(bindir)/postmaster'
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ifeq ($(MAKE_EXPORTS), true)
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rm -f '$(DESTDIR)$(pkglibdir)/$(POSTGRES_IMP)'
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rm -f '$(DESTDIR)$(pgxsdir)/$(MKLDEXPORT_DIR)/mkldexport.sh'
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endif
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ifeq ($(PORTNAME), cygwin)
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ifeq ($(MAKE_DLL), true)
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rm -f '$(DESTDIR)$(libdir)/libpostgres.a'
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endif
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endif
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ifeq ($(PORTNAME), win32)
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ifeq ($(MAKE_DLL), true)
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rm -f '$(DESTDIR)$(libdir)/libpostgres.a'
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endif
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endif
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$(MAKE) -C catalog uninstall-data
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$(MAKE) -C tsearch uninstall-data
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$(MAKE) -C utils uninstall-data
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rm -f '$(DESTDIR)$(datadir)/pg_hba.conf.sample' \
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'$(DESTDIR)$(datadir)/pg_ident.conf.sample' \
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'$(DESTDIR)$(datadir)/postgresql.conf.sample'
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ifeq ($(with_llvm), yes)
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$(call uninstall_llvm_module,postgres)
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endif
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##########################################################################
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clean:
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rm -f $(LOCALOBJS) postgres$(X) $(POSTGRES_IMP)
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ifeq ($(PORTNAME), cygwin)
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rm -f postgres.dll libpostgres.a
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endif
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ifeq ($(PORTNAME), win32)
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rm -f postgres.dll libpostgres.a $(WIN32RES)
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endif
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distclean: clean
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rm -f port/tas.s port/pg_sema.c port/pg_shmem.c
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maintainer-clean: distclean
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$(MAKE) -C catalog $@
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$(MAKE) -C utils $@
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rm -f bootstrap/bootparse.c \
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bootstrap/bootscanner.c \
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parser/gram.c \
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parser/gram.h \
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parser/scan.c \
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replication/repl_gram.c \
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replication/repl_scanner.c \
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replication/syncrep_gram.c \
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replication/syncrep_scanner.c \
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storage/lmgr/lwlocknames.c \
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storage/lmgr/lwlocknames.h \
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utils/misc/guc-file.c \
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utils/sort/qsort_tuple.c
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##########################################################################
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#
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# Support for code development.
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#
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# Use target "quick" to build "postgres" when you know all the subsystems
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# are up to date. It saves the time of doing all the submakes.
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.PHONY: quick
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quick: $(OBJS)
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$(CC) $(CFLAGS) $(call expand_subsys,$^) $(LDFLAGS) $(LDFLAGS_EX) $(export_dynamic) $(LIBS) -o postgres
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