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3b8f6e75f3
Commit 372728b0d created some problems for usages like building a subdirectory without having first done "make all" at the top level, or for proceeding directly to "make install" without "make all". The only reasonably clean way to fix this seems to be to force the submake-generated-headers rule to fire in *any* "make all" or "make install" command anywhere in the tree. To avoid lots of redundant work, as well as parallel make jobs possibly clobbering each others' output, we still need to be sure that the rule fires only once in a recursive build. For that, adopt the same MAKELEVEL hack previously used for "temp-install". But try to document it a bit better. The submake-errcodes mechanism previously used in src/port/ and src/common/ is subsumed by this, so we can get rid of those special cases. It was inadequate for src/common/ anyway after the aforesaid commit, and it always risked parallel attempts to build errcodes.h. Discussion: https://postgr.es/m/E1f5FAB-0006LU-MB@gemulon.postgresql.org
102 lines
3.5 KiB
Makefile
102 lines
3.5 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 += $(PTHREAD_LIBS)
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OBJS_COMMON = base64.o config_info.o controldata_utils.o exec.o file_perm.o \
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ip.o keywords.o md5.o pg_lzcompress.o pgfnames.o psprintf.o relpath.o \
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rmtree.o saslprep.o scram-common.o string.o unicode_norm.o \
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username.o wait_error.o
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ifeq ($(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 $@
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# Dependencies of keywords.o need to be managed explicitly to make sure
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# that you don't get broken parsing code, even in a non-enable-depend build.
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# Note that gram.h isn't required for the frontend version of keywords.o.
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$(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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