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Commit64f8909

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Add pkg-config files for libpq and ecpg libraries
This will hopefully be easier to use than pg_config for users who arealready used to the pkg-config interface. It also works better formulti-arch installations.reviewed by Tom Lane
1 parent3780fc6 commit64f8909

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6 files changed

+62
-3
lines changed

6 files changed

+62
-3
lines changed

‎.gitignore‎

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Original file line numberDiff line numberDiff line change
@@ -22,6 +22,7 @@ lcov.info
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win32ver.rc
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*.exe
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lib*dll.def
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lib*.pc
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# Local excludes in root directory
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/GNUmakefile

‎doc/src/sgml/ecpg.sgml‎

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@@ -5714,6 +5714,15 @@ cc -o myprog prog1.o prog2.o ... -lecpg
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<literal>-L/usr/local/pgsql/lib</literal> to that command line.
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</para>
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<para>
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You can
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use <command>pg_config</command><indexterm><primary>pg_config</primary><secondary sortas="ecpg">with
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ecpg</secondary></indexterm>
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or <command>pkg-config</command><indexterm><primary>pkg-config</primary><secondary sortas="ecpg">with
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ecpg</secondary></indexterm> with package name <literal>libecpg</literal> to
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get the paths for your installation.
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</para>
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<para>
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If you manage the build process of a larger project using
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<application>make</application>, it might be convenient to include

‎doc/src/sgml/libpq.sgml‎

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@@ -7640,6 +7640,18 @@ CPPFLAGS += -I/usr/local/pgsql/include
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</screen>
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</para>
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<para>
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If you
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have <command>pkg-config</command><indexterm><primary>pkg-config</primary><secondary sortas="libpq">with
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libpq</secondary></indexterm> installed, you can run instead:
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<screen>
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<prompt>$</prompt> pkg-config --cflags libpq
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<computeroutput>-I/usr/local/include</computeroutput>
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</screen>
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Note that this will already include the <option>-I</option> in front of
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the path.
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</para>
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<para>
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Failure to specify the correct option to the compiler will
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result in an error message such as:
@@ -7674,6 +7686,15 @@ cc -o testprog testprog1.o testprog2.o -L/usr/local/pgsql/lib -lpq
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</screen>
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</para>
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<para>
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Or again use <command>pkg-config</command>:
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<screen>
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<prompt>$</prompt> pkg-config --libs libpq
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<computeroutput>-L/usr/local/pgsql/lib -lpq</computeroutput>
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</screen>
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Note again that this prints the full options, not only the path.
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</para>
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<para>
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Error messages that point to problems in this area could look like
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the following:

‎src/Makefile.shlib‎

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@@ -87,6 +87,7 @@ shlib_bare= lib$(NAME)$(DLSUFFIX)
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# Testing the soname variable is a reliable way to determine whether a
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# linkable library is being built.
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soname= $(shlib_major)
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pkgconfigdir = $(libdir)/pkgconfig
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else
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# Naming convention for dynamically loadable modules
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shlib= $(NAME)$(DLSUFFIX)
@@ -305,6 +306,7 @@ all-lib: all-shared-lib
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ifdef soname
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# no static library when building a dynamically loadable module
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all-lib: all-static-lib
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all-lib: lib$(NAME).pc
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endif
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all-static-lib: $(stlib)
@@ -388,6 +390,23 @@ $(stlib): $(shlib) $(DLL_DEFFILE) | $(SHLIB_PREREQS)
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endif # PORTNAME == cygwin || PORTNAME == win32
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%.pc: $(MAKEFILE_LIST)
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echo 'Name: lib$(NAME)' >$@
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echo 'Description: PostgreSQL lib$(NAME) library' >>$@
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echo 'Url: http://www.postgresql.org/' >>$@
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echo 'Version: $(VERSION)' >>$@
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echo 'Requires: ' >>$@
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echo 'Requires.private: $(PKG_CONFIG_REQUIRES_PRIVATE)' >>$@
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echo 'Cflags: -I$(includedir)' >>$@
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echo 'Libs: -L$(libdir) -l$(NAME)' >>$@
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# Record -L flags that the user might have passed in to the PostgreSQL
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# build to locate third-party libraries (e.g., ldap, ssl). Filter out
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# those that point inside the build or source tree. Use sort to
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# remove duplicates. Also record the -l flags necessary for static
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# linking, but not those already covered by Requires.private.
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echo 'Libs.private: $(sort $(filter-out -L.% -L$(top_srcdir)/%,$(filter -L%,$(LDFLAGS) $(SHLIB_LINK)))) $(filter-out $(PKG_CONFIG_REQUIRES_PRIVATE:lib%=-l%),$(filter -l%,$(SHLIB_LINK)))' >>$@
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# We need several not-quite-identical variants of .DEF files to build
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# DLLs for Windows. These are made from the single source file
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# exports.txt. Since we can't assume that Windows boxes will have
@@ -430,8 +449,12 @@ endif # SHLIB_EXPORTS
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install-lib: install-lib-shared
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ifdef soname
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install-lib: install-lib-static
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install-lib: install-lib-pc
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endif
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install-lib-pc: lib$(NAME).pc installdirs-lib
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$(INSTALL_DATA) $< '$(DESTDIR)$(pkgconfigdir)/lib$(NAME).pc'
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install-lib-static: $(stlib) installdirs-lib
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$(INSTALL_STLIB) $< '$(DESTDIR)$(libdir)/$(stlib)'
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ifeq ($(PORTNAME), darwin)
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installdirs-lib:
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ifdef soname
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$(MKDIR_P) '$(DESTDIR)$(libdir)'
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$(MKDIR_P) '$(DESTDIR)$(libdir)' '$(DESTDIR)$(pkgconfigdir)'
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else
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$(MKDIR_P) '$(DESTDIR)$(pkglibdir)'
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endif
@@ -483,7 +506,8 @@ ifdef soname
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rm -f '$(DESTDIR)$(libdir)/$(stlib)'
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rm -f '$(DESTDIR)$(libdir)/$(shlib_bare)' \
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'$(DESTDIR)$(libdir)/$(shlib_major)' \
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'$(DESTDIR)$(libdir)/$(shlib)'
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'$(DESTDIR)$(libdir)/$(shlib)' \
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'$(DESTDIR)$(pkgconfigdir)/lib$(NAME).pc'
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else # no soname
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rm -f '$(DESTDIR)$(pkglibdir)/$(shlib)'
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endif # no soname
@@ -495,7 +519,7 @@ endif # no soname
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.PHONY: clean-lib
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clean-lib:
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rm -f $(shlib) $(shlib_bare) $(shlib_major) $(stlib) $(exports_file)
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rm -f $(shlib) $(shlib_bare) $(shlib_major) $(stlib) $(exports_file) lib$(NAME).pc
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ifneq (,$(SHLIB_EXPORTS))
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maintainer-clean-lib:

‎src/interfaces/ecpg/compatlib/Makefile‎

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@@ -32,6 +32,8 @@ LIBS := $(filter-out -lpgport, $(LIBS))
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OBJS= informix.o$(filter snprintf.o,$(LIBOBJS))
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PKG_CONFIG_REQUIRES_PRIVATE = libecpg libpgtypes
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all: all-lib
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.PHONY: submake-ecpglib submake-pgtypeslib

‎src/interfaces/ecpg/ecpglib/Makefile‎

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@@ -43,6 +43,8 @@ ifeq ($(PORTNAME), win32)
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SHLIB_LINK += -lshfolder
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endif
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PKG_CONFIG_REQUIRES_PRIVATE = libpq libpgtypes
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all: all-lib
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.PHONY: submake-pgtypeslib

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