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This provides infrastructure to allow JITed code to inline code implemented in C. This e.g. can be postgres internal functions or extension code. This already speeds up long running queries, by allowing the LLVM optimizer to optimize across function boundaries. The optimization potential currently doesn't reach its full potential because LLVM cannot optimize the FunctionCallInfoData argument fully away, because it's allocated on the heap rather than the stack. Fixing that is beyond what's realistic for v11. To be able to do that, use CLANG to convert C code to LLVM bitcode, and have LLVM build a summary for it. That bitcode can then be used to to inline functions at runtime. For that the bitcode needs to be installed. Postgres bitcode goes into $pkglibdir/bitcode/postgres, extensions go into equivalent directories. PGXS has been modified so that happens automatically if postgres has been compiled with LLVM support. Currently this isn't the fastest inline implementation, modules are reloaded from disk during inlining. That's to work around an apparent LLVM bug, triggering an apparently spurious error in LLVM assertion enabled builds. Once that is resolved we can remove the superfluous read from disk. Docs will follow in a later commit containing docs for the whole JIT feature. Author: Andres Freund Discussion: https://postgr.es/m/20170901064131.tazjxwus3k2w3ybh@alap3.anarazel.de
377 lines
13 KiB
Makefile
377 lines
13 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) 1996-2018, 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 port postmaster 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-schemapg 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) $(LDFLAGS) $(LDFLAGS_EX) $(export_dynamic) $(call expand_subsys,$^) $(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) $(LDFLAGS) $(LDFLAGS_EX) $(export_dynamic) -Wl,--stack,$(WIN32_STACK_RLIMIT) -Wl,--export-all-symbols -Wl,--out-implib=libpostgres.a $(call expand_subsys,$^) $(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) $(LDFLAGS) $(LDFLAGS_EX) -Wl,--stack=$(WIN32_STACK_RLIMIT) -Wl,--export-all-symbols -Wl,--out-implib=libpostgres.a $(call expand_subsys,$(OBJS)) $(WIN32RES) $(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) $(LDFLAGS) $(LDFLAGS_EX) $(call expand_subsys,$(OBJS)) -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 . > $@
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endif
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endif
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@rm -f SUBSYS.o
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endif # aix
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# Update the commonly used headers before building the subdirectories
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$(SUBDIRS:%=%-recursive): | generated-headers
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# src/port needs a convenient way to force just errcodes.h to get built
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submake-errcodes: $(top_builddir)/src/include/utils/errcodes.h
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.PHONY: submake-errcodes
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$(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) $(LDFLAGS) $(LDFLAGS_EX) $(call expand_subsys,$^) $(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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$(MAKE) -C storage/lmgr lwlocknames.h lwlocknames.c
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utils/errcodes.h: utils/generate-errcodes.pl utils/errcodes.txt
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$(MAKE) -C utils errcodes.h
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# see notes in src/backend/parser/Makefile
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utils/fmgrprotos.h: utils/fmgroids.h
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touch $@
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utils/fmgroids.h: utils/Gen_fmgrtab.pl catalog/Catalog.pm $(top_srcdir)/src/include/catalog/pg_proc.h
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$(MAKE) -C utils fmgroids.h fmgrprotos.h
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utils/probes.h: utils/probes.d
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$(MAKE) -C utils probes.h
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# run this unconditionally to avoid needing to know its dependencies here:
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catalog/schemapg.h: | submake-schemapg
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submake-schemapg:
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$(MAKE) -C catalog schemapg.h
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.PHONY: submake-schemapg
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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/catalog/schemapg.h $(top_builddir)/src/include/storage/lwlocknames.h $(top_builddir)/src/include/utils/errcodes.h $(top_builddir)/src/include/utils/fmgroids.h $(top_builddir)/src/include/utils/fmgrprotos.h $(top_builddir)/src/include/utils/probes.h
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$(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) "$$prereqdir/$(notdir $<)" .
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$(top_builddir)/src/include/catalog/schemapg.h: catalog/schemapg.h
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prereqdir=`cd '$(dir $<)' >/dev/null && pwd` && \
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cd '$(dir $@)' && rm -f $(notdir $@) && \
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$(LN_S) "$$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) "$$prereqdir/$(notdir $<)" .
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$(top_builddir)/src/include/utils/errcodes.h: utils/errcodes.h
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prereqdir=`cd '$(dir $<)' >/dev/null && pwd` && \
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cd '$(dir $@)' && rm -f $(notdir $@) && \
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$(LN_S) "$$prereqdir/$(notdir $<)" .
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$(top_builddir)/src/include/utils/fmgroids.h: utils/fmgroids.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) "$$prereqdir/$(notdir $<)" .
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$(top_builddir)/src/include/utils/fmgrprotos.h: utils/fmgrprotos.h
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prereqdir=`cd '$(dir $<)' >/dev/null && pwd` && \
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cd '$(dir $@)' && rm -f $(notdir $@) && \
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$(LN_S) "$$prereqdir/$(notdir $<)" .
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$(top_builddir)/src/include/utils/probes.h: utils/probes.h
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cd '$(dir $@)' && rm -f $(notdir $@) && \
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$(LN_S) "../../../$(subdir)/utils/probes.h" .
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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 schemapg.h postgres.bki postgres.description postgres.shdescription
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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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$(MAKE) -C utils fmgrtab.c fmgroids.h fmgrprotos.h errcodes.h
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$(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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$(MAKE) -C tsearch install-data
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$(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)$(datadir)/postgresql.conf.sample'
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$(INSTALL_DATA) $(srcdir)/access/transam/recovery.conf.sample '$(DESTDIR)$(datadir)/recovery.conf.sample'
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ifeq ($(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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$(MAKE) -C tsearch uninstall-data
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rm -f '$(DESTDIR)$(datadir)/pg_hba.conf.sample' \
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'$(DESTDIR)$(datadir)/pg_ident.conf.sample' \
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'$(DESTDIR)$(datadir)/postgresql.conf.sample' \
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'$(DESTDIR)$(datadir)/recovery.conf.sample'
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ifeq ($(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) $(POSTGRES_IMP) \
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$(top_builddir)/src/include/parser/gram.h \
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$(top_builddir)/src/include/catalog/schemapg.h \
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$(top_builddir)/src/include/storage/lwlocknames.h \
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$(top_builddir)/src/include/utils/fmgroids.h \
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$(top_builddir)/src/include/utils/fmgrprotos.h \
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$(top_builddir)/src/include/utils/probes.h
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ifeq ($(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/dynloader.c port/pg_sema.c port/pg_shmem.c
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maintainer-clean: distclean
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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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catalog/schemapg.h \
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catalog/postgres.bki \
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catalog/postgres.description \
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catalog/postgres.shdescription \
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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/fmgroids.h \
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utils/fmgrprotos.h \
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utils/fmgrtab.c \
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utils/errcodes.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) $(LDFLAGS) $(LDFLAGS_EX) $(export_dynamic) $(call expand_subsys,$^) $(LIBS) -o postgres
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