]> granicus.if.org Git - postgresql/blobdiff - src/Makefile.shlib
Review program help output for wording and formatting
[postgresql] / src / Makefile.shlib
index 973cc68a36d5aaf9130ca41d33dda59c3a3c5606..86db52fe5e1f5b0c36ea91eff2e30a5a5a387f1e 100644 (file)
@@ -6,7 +6,7 @@
 # Copyright (c) 1998, Regents of the University of California
 #
 # IDENTIFICATION
-#    $PostgreSQL: pgsql/src/Makefile.shlib,v 1.82 2004/10/12 22:20:17 momjian Exp $
+#    src/Makefile.shlib
 #
 #-------------------------------------------------------------------------
 
 # variables:
 #
 # NAME                  Name of library to build (no suffix nor "lib" prefix)
-# SO_MAJOR_VERSION      Major version number to use for shared library
-# SO_MINOR_VERSION      Minor version number to use for shared library
 # OBJS                  List of object files to include in library
 # SHLIB_LINK            If shared library relies on other libraries,
 #                       additional stuff to put in its link command
-# (If you want a patchlevel, include it in SO_MINOR_VERSION, e.g., "6.2".)
+# SHLIB_PREREQS         Order-only prerequisites for library build target
+# SHLIB_EXPORTS         (optional) Name of file containing list of symbols to
+#                       export, in the format "function_name  number"
+#
+# When building a shared library, the following version information
+# must also be set.  It should be omitted when building a dynamically
+# loadable module.
 #
-# Optional flags when building DLL's (only applicable to win32 and cygwin
-# platforms).
-# DLLTOOL_DEFFLAGS      Additional flags when creating the dll .def file
-# DLLTOOL_LIBFLAGS      Additional flags when creating the lib<module>.a file
-# DLLWRAP_FLAGS         Additional flags to dllwrap
+# SO_MAJOR_VERSION      Major version number to use for shared library
+# SO_MINOR_VERSION      Minor version number to use for shared library
+# (If you want a patchlevel, include it in SO_MINOR_VERSION, e.g., "6.2".)
 #
 # The module Makefile must also include
 # $(top_builddir)/src/Makefile.global before including this file.
 #
 # all-lib               build the static and shared (if applicable) libraries
 # install-lib           install the libraries into $(libdir)
+# installdirs-lib       create installation directory $(libdir)
 # uninstall-lib         remove the libraries from $(libdir)
 # clean-lib             delete the static and shared libraries from the build dir
+# maintainer-clean-lib  delete .def files built for win32
 #
 # Since `all-lib' is the first rule in this file you probably want to
 # have the `all' target before including this file. In the most simple
@@ -69,12 +73,25 @@ LINK.static = $(AR) $(AROPT)
 
 
 
-ifeq ($(enable_shared), yes)
-
-# Default shlib naming convention used by the majority of platforms
+ifdef SO_MAJOR_VERSION
+# Default library naming convention used by the majority of platforms
 shlib          = lib$(NAME)$(DLSUFFIX).$(SO_MAJOR_VERSION).$(SO_MINOR_VERSION)
 shlib_major    = lib$(NAME)$(DLSUFFIX).$(SO_MAJOR_VERSION)
 shlib_bare     = lib$(NAME)$(DLSUFFIX)
+# Testing the soname variable is a reliable way to determine whether a
+# linkable library is being built.
+soname         = $(shlib_major)
+pkgconfigdir = $(libdir)/pkgconfig
+else
+# Naming convention for dynamically loadable modules
+shlib          = $(NAME)$(DLSUFFIX)
+endif
+stlib          = lib$(NAME).a
+
+ifndef soname
+# additional flags for backend modules
+SHLIB_LINK += $(BE_DLLLIBS)
+endif
 
 # For each platform we support shared libraries on, set shlib to the
 # name of the library (if default above is not right), set
@@ -84,125 +101,152 @@ shlib_bare       = lib$(NAME)$(DLSUFFIX)
 # Try to keep the sections in some kind of order, folks...
 
 override CFLAGS += $(CFLAGS_SL)
-
-soname = lib$(NAME)$(DLSUFFIX).$(SO_MAJOR_VERSION)
+ifdef SO_MAJOR_VERSION
+# libraries ought to use this to refer to versioned gettext domain names
+override CPPFLAGS += -DSO_MAJOR_VERSION=$(SO_MAJOR_VERSION)
+endif
 
 ifeq ($(PORTNAME), aix)
-  shlib                        = lib$(NAME)$(DLSUFFIX)
-#   SHLIB_LINK         += -lc
+  ifdef SO_MAJOR_VERSION
+    shlib              = lib$(NAME)$(DLSUFFIX).$(SO_MAJOR_VERSION)
+  endif
+  haslibarule   = yes
+  # $(exports_file) is also usable as an import file
+  exports_file         = lib$(NAME).exp
 endif
 
 ifeq ($(PORTNAME), darwin)
-  ifneq ($(SO_MAJOR_VERSION), 0)
-    version_link       := -compatibility_version $(SO_MAJOR_VERSION) -current_version $(SO_MAJOR_VERSION).$(SO_MINOR_VERSION)
-  endif
-  ifeq ($(DLTYPE), library)
+  ifdef soname
     # linkable library
-    DLSUFFIX           := .dylib
-    LINK.shared                = $(COMPILER) -dynamiclib -install_name $(libdir)/lib$(NAME).$(SO_MAJOR_VERSION)$(DLSUFFIX) $(version_link) -multiply_defined suppress
+    DLSUFFIX           = .dylib
+    ifneq ($(SO_MAJOR_VERSION), 0)
+      version_link     = -compatibility_version $(SO_MAJOR_VERSION) -current_version $(SO_MAJOR_VERSION).$(SO_MINOR_VERSION)
+    endif
+    LINK.shared                = $(COMPILER) -dynamiclib -install_name '$(libdir)/lib$(NAME).$(SO_MAJOR_VERSION)$(DLSUFFIX)' $(version_link) $(exported_symbols_list) -multiply_defined suppress
+    shlib              = lib$(NAME).$(SO_MAJOR_VERSION).$(SO_MINOR_VERSION)$(DLSUFFIX)
+    shlib_major                = lib$(NAME).$(SO_MAJOR_VERSION)$(DLSUFFIX)
   else
-    # loadable module (default case)
-    DLSUFFIX           := .so
-    LINK.shared                = $(COMPILER) -bundle
+    # loadable module
+    DLSUFFIX           = .so
+    LINK.shared                = $(COMPILER) -bundle -multiply_defined suppress -Wl,-undefined,dynamic_lookup
+  endif
+  BUILD.exports                = $(AWK) '/^[^\#]/ {printf "_%s\n",$$1}' $< >$@
+  exports_file         = $(SHLIB_EXPORTS:%.txt=%.list)
+  ifneq (,$(exports_file))
+    exported_symbols_list = -exported_symbols_list $(exports_file)
   endif
-  shlib                        = lib$(NAME).$(SO_MAJOR_VERSION).$(SO_MINOR_VERSION)$(DLSUFFIX)
-  shlib_major          = lib$(NAME).$(SO_MAJOR_VERSION)$(DLSUFFIX)
 endif
 
 ifeq ($(PORTNAME), openbsd)
   ifdef ELF_SYSTEM
-    LINK.shared                = $(COMPILER) -shared -Wl,-x,-soname,$(soname)
+    LINK.shared                = $(COMPILER) -shared
+    ifdef soname
+      LINK.shared      += -Wl,-x,-soname,$(soname)
+    endif
     SHLIB_LINK         += -lc
   else
     LINK.shared                = $(LD) -x -Bshareable -Bforcearchive
   endif
 endif
 
-ifeq ($(PORTNAME), bsdi)
-  ifeq ($(DLSUFFIX), .so)
-    LINK.shared                = $(COMPILER) -shared -Wl,-x,-soname,$(soname)
-    SHLIB_LINK         += -lc
-  endif
-  ifeq ($(DLSUFFIX), .o)
-    LINK.shared                = shlicc -O $(LDREL)
-  endif
-endif
-
 ifeq ($(PORTNAME), freebsd)
   ifdef ELF_SYSTEM
-    shlib              = lib$(NAME)$(DLSUFFIX).$(SO_MAJOR_VERSION)
-    LINK.shared                = $(COMPILER) -shared -Wl,-x,-soname,$(soname)
+    ifdef SO_MAJOR_VERSION
+      shlib            = lib$(NAME)$(DLSUFFIX).$(SO_MAJOR_VERSION)
+    endif
+    LINK.shared                = $(COMPILER) -shared
+    ifdef soname
+      LINK.shared      += -Wl,-x,-soname,$(soname)
+    endif
   else
-    shlib              = lib$(NAME)$(DLSUFFIX).$(SO_MAJOR_VERSION).$(SO_MINOR_VERSION)
+    ifdef SO_MAJOR_VERSION
+      shlib            = lib$(NAME)$(DLSUFFIX).$(SO_MAJOR_VERSION).$(SO_MINOR_VERSION)
+    endif
     LINK.shared                = $(LD) -x -Bshareable -Bforcearchive
   endif
 endif
 
 ifeq ($(PORTNAME), netbsd)
   ifdef ELF_SYSTEM
-    LINK.shared                = $(COMPILER) -shared -Wl,-x,-soname,$(soname)
+    LINK.shared                = $(COMPILER) -shared
+    ifdef soname
+      LINK.shared      += -Wl,-x,-soname,$(soname)
+    endif
   else
     LINK.shared                = $(LD) -x -Bshareable -Bforcearchive
   endif
 endif
 
 ifeq ($(PORTNAME), hpux)
-  shlib                        = lib$(NAME)$(DLSUFFIX).$(SO_MAJOR_VERSION)
-  ifeq ($(GCC), yes)
-    SHLIB_LINK         += `$(CC) $(LDFLAGS) -print-libgcc-file-name`
+  ifdef SO_MAJOR_VERSION
+    shlib                      = lib$(NAME)$(DLSUFFIX).$(SO_MAJOR_VERSION)
   endif
   ifeq ($(with_gnu_ld), yes)
-    LINK.shared                = $(CC) $(LDFLAGS) -shared -Wl,-h -Wl,$(soname) -Wl,+b -Wl,$(libdir)
+    LINK.shared                = $(CC) -shared
+    ifdef soname
+      LINK.shared      += -Wl,-h -Wl,$(soname)
+    endif
   else
-    LINK.shared                = $(LD) +h $(soname) -b +b $(libdir)
+    LINK.shared                = $(LD) -b
+    ifdef soname
+      LINK.shared      += +h $(soname)
+    endif
+    # can't use the CC-syntax rpath pattern here, so instead:
+    rpath =
+    ifeq ($(enable_rpath), yes)
+      LINK.shared      += +b '$(rpathdir)'
+    endif
+    # On HPUX platforms, gcc is usually configured to search for libraries
+    # in /usr/local/lib, but ld won't do so.  Add an explicit -L switch so
+    # ld can find the same libraries gcc does.  Make sure it goes after any
+    # -L switches provided explicitly.
+    ifeq ($(GCC), yes)
+      SHLIB_LINK       += -L/usr/local/lib
+    endif
+  endif
+  # And we need to link with libgcc, too
+  ifeq ($(GCC), yes)
+    SHLIB_LINK         += `$(CC) $(LDFLAGS) -print-libgcc-file-name`
   endif
-endif
-
-ifeq ($(PORTNAME), irix)
-  shlib                        = lib$(NAME)$(DLSUFFIX).$(SO_MAJOR_VERSION)
-  LINK.shared          = $(COMPILER) -shared -Wl,-set_version,sgi$(SO_MAJOR_VERSION).$(SO_MINOR_VERSION)
 endif
 
 ifeq ($(PORTNAME), linux)
-  LINK.shared          = $(COMPILER) -shared -Wl,-soname,$(soname)
+  LINK.shared          = $(COMPILER) -shared
+  ifdef soname
+    LINK.shared                += -Wl,-soname,$(soname)
+  endif
+  BUILD.exports                = ( echo '{ global:'; $(AWK) '/^[^\#]/ {printf "%s;\n",$$1}' $<; echo ' local: *; };' ) >$@
+  exports_file         = $(SHLIB_EXPORTS:%.txt=%.list)
+  ifneq (,$(exports_file))
+    LINK.shared                += -Wl,--version-script=$(exports_file)
+  endif
 endif
 
 ifeq ($(PORTNAME), solaris)
   ifeq ($(GCC), yes)
-    LINK.shared                = $(CC) -shared
+    LINK.shared                = $(COMPILER) -shared
   else
-    LINK.shared                = $(CC) -G
+    LINK.shared                = $(COMPILER) -G
   endif
-  ifeq ($(with_gnu_ld), yes)
-    LINK.shared                += -Wl,-soname,$(soname)
-  else
-    LINK.shared                += -h $(soname)
+  ifdef soname
+    ifeq ($(with_gnu_ld), yes)
+      LINK.shared      += -Wl,-soname,$(soname)
+    else
+      LINK.shared      += -h $(soname)
+    endif
   endif
 endif
 
-ifeq ($(PORTNAME), sunos4)
-  LINK.shared          = $(LD) -assert pure-text -Bdynamic
-endif
-ifeq ($(PORTNAME), osf)
-  LINK.shared          = $(LD) -shared -expect_unresolved '*'
-endif
-
 ifeq ($(PORTNAME), sco)
   ifeq ($(GCC), yes)
     LINK.shared                = $(CC) -shared
   else
     LINK.shared                = $(CC) -G
     endif
-  LINK.shared          += -Wl,-z,text -Wl,-h,$(soname)
-endif
-
-ifeq ($(PORTNAME), svr4)
-  LINK.shared          = $(LD) -G
-endif
-
-ifeq ($(PORTNAME), univel)
-  LINK.shared          = $(LD) -G -z text
+  LINK.shared          += -Wl,-z,text
+  ifdef soname
+    LINK.shared                += -Wl,-h,$(soname)
+  endif
 endif
 
 ifeq ($(PORTNAME), unixware)
@@ -211,30 +255,27 @@ ifeq ($(PORTNAME), unixware)
   else
     LINK.shared                = $(CC) -G
   endif
-  LINK.shared          += -Wl,-z,text -Wl,-h,$(soname) 
+  LINK.shared          += -Wl,-z,text
+  ifdef soname
+    LINK.shared                += -Wl,-h,$(soname)
+  endif
 endif
 
 ifeq ($(PORTNAME), cygwin)
-  shlib                        = $(NAME)$(DLSUFFIX)
+  LINK.shared          = $(CC) -shared
+  ifdef SO_MAJOR_VERSION
+    shlib              = cyg$(NAME)$(DLSUFFIX)
+  endif
+  haslibarule   = yes
 endif
 
 ifeq ($(PORTNAME), win32)
-  shlib                        = lib$(NAME)$(DLSUFFIX)
-endif
-
-ifeq ($(PORTNAME), beos)
-  shlib                        = lib$(NAME)$(DLSUFFIX)
-  LINK.shared          = $(LD) -nostart
-  SHLIB_LINK           += -ltermcap -lstdc++.r4 -lbind -lsocket -L/boot/develop/lib/x86
-endif
-
-SHLIB_LINK := $(filter -L%, $(LDFLAGS)) $(SHLIB_LINK)
-ifeq ($(enable_rpath), yes)
-SHLIB_LINK += $(rpath)
+  ifdef SO_MAJOR_VERSION
+    shlib              = lib$(NAME)$(DLSUFFIX)
+  endif
+  haslibarule   = yes
 endif
 
-endif # enable_shared
-
 
 
 ##
@@ -243,40 +284,32 @@ endif # enable_shared
 
 .PHONY: all-lib all-static-lib all-shared-lib
 
-all-lib: all-static-lib all-shared-lib
-
-all-static-lib: $(PTHREAD_H_WIN32) $(top_builddir)/src/port/pg_config_paths.h lib$(NAME).a
+all-lib: all-shared-lib
+ifdef soname
+# no static library when building a dynamically loadable module
+all-lib: all-static-lib
+all-lib: lib$(NAME).pc
+endif
 
-all-shared-lib: $(PTHREAD_H_WIN32) $(top_builddir)/src/port/pg_config_paths.h $(shlib)
+all-static-lib: $(stlib)
 
-ifneq ($(PORTNAME), cygwin)
-ifneq ($(PORTNAME), win32)
+all-shared-lib: $(shlib)
 
-ifndef LORDER
-MK_NO_LORDER := true
-endif
-
-lib$(NAME).a: $(OBJS)
-ifdef MK_NO_LORDER
+ifndef haslibarule
+$(stlib): $(OBJS) | $(SHLIB_PREREQS)
+       rm -f $@
        $(LINK.static) $@ $^
-else
-       $(LINK.static) $@ `$(LORDER) $^ | tsort`
-endif
        $(RANLIB) $@
+endif #haslibarule
 
-endif # not win32
-endif # not cygwin
-
-ifeq ($(enable_shared), yes)
 
-ifneq ($(PORTNAME), win32)
-ifneq ($(PORTNAME), cygwin)
-ifneq ($(PORTNAME), beos)
+ifeq (,$(filter cygwin win32,$(PORTNAME)))
 ifneq ($(PORTNAME), aix)
 
 # Normal case
-$(shlib): $(OBJS)
-       $(LINK.shared) $(OBJS) $(SHLIB_LINK) -o $@
+$(shlib): $(OBJS) | $(SHLIB_PREREQS)
+       $(LINK.shared) -o $@ $(OBJS) $(LDFLAGS) $(LDFLAGS_SL) $(SHLIB_LINK)
+ifdef shlib_major
 # If we're using major and minor versions, then make a symlink to major-version-only.
 ifneq ($(shlib), $(shlib_major))
        rm -f $(shlib_major)
@@ -287,80 +320,190 @@ ifneq ($(shlib), $(shlib_bare))
        rm -f $(shlib_bare)
        $(LN_S) $(shlib) $(shlib_bare)
 endif
+endif # shlib_major
+
+# Where possible, restrict the symbols exported by the library to just the
+# official list, so as to avoid unintentional ABI changes.  On recent Darwin
+# this also quiets multiply-defined-symbol warnings in programs that use
+# libpgport along with libpq.
+ifneq (,$(SHLIB_EXPORTS))
+ifdef BUILD.exports
+$(shlib): $(SHLIB_EXPORTS:%.txt=%.list)
+
+$(SHLIB_EXPORTS:%.txt=%.list): %.list: %.txt
+       $(BUILD.exports)
+endif
+endif
 
 else # PORTNAME == aix
 
 # AIX case
-$(shlib): lib$(NAME).a
-       $(MKLDEXPORT) lib$(NAME).a > lib$(NAME)$(EXPSUFF)
-       $(COMPILER) $(LDFLAGS_SL) -o $@ $< $(LDFLAGS) $(SHLIB_LINK) -Wl,-bI:$(top_builddir)/src/backend/$(POSTGRES_IMP) -Wl,-bE:lib$(NAME)$(EXPSUFF)
-       
+$(shlib) $(stlib): $(OBJS) | $(SHLIB_PREREQS)
+       rm -f $(stlib)
+       $(LINK.static) $(stlib) $^
+       $(RANLIB) $(stlib)
+       $(MKLDEXPORT) $(stlib) $(shlib) >$(exports_file)
+       $(COMPILER) -o $(shlib) $(stlib) -Wl,-bE:$(exports_file) $(LDFLAGS) $(LDFLAGS_SL) $(SHLIB_LINK)
+       rm -f $(stlib)
+       $(AR) $(AROPT) $(stlib) $(shlib)
+
 endif # PORTNAME == aix
 
-else # PORTNAME == beos
+else # PORTNAME == cygwin || PORTNAME == win32
 
-# BEOS case
-$(shlib): $(OBJS)
-       ln -fs $(top_srcdir)/src/backend/postgres _APP_
-       $(CC) -Xlinker -soname=$@ $(LDFLAGS_SL) -o $@ _APP_ $(OBJS) $(SHLIB_LINK)
+ifeq ($(PORTNAME), cygwin)
 
-endif # PORTNAME == beos
+# Cygwin case
 
-else # PORTNAME == cygwin
+$(shlib): $(OBJS) | $(SHLIB_PREREQS)
+       $(CC) $(CFLAGS)  -shared -o $@  $(OBJS) $(LDFLAGS) $(LDFLAGS_SL) $(SHLIB_LINK) $(LIBS) $(LDAP_LIBS_BE)
 
-# Cygwin case
-$(shlib) lib$(NAME).a: $(OBJS)
-       $(DLLTOOL) --export-all $(DLLTOOL_DEFFLAGS) --output-def $(NAME).def $(OBJS)
-       $(DLLWRAP) -o $(shlib) --dllname $(shlib) $(DLLWRAP_FLAGS) --def $(NAME).def $(OBJS) $(SHLIB_LINK)
-       $(DLLTOOL) --dllname $(shlib) $(DLLTOOL_LIBFLAGS) --def $(NAME).def --output-lib lib$(NAME).a
+$(stlib): $(OBJS) | $(SHLIB_PREREQS)
+       rm -f $@
+       $(LINK.static) $@ $^
+       $(RANLIB) $@
 
-endif # PORTNAME == cygwin
+else
 
-else # PORTNAME == win32
+# Win32 case
 
-# win32 case
-$(shlib) lib$(NAME).a: $(OBJS)
-       $(DLLTOOL) --export-all $(DLLTOOL_DEFFLAGS) --output-def $(NAME).def $(OBJS)
-       $(DLLWRAP) -o $(shlib) --dllname $(shlib) $(DLLWRAP_FLAGS) --def $(NAME).def $(OBJS) $(SHLIB_LINK)
-       $(DLLTOOL) --dllname $(shlib) $(DLLTOOL_LIBFLAGS) --def $(NAME).def --output-lib lib$(NAME).a
+# There is no correct way to write a rule that generates two files.
+# Rules with two targets don't have that meaning, they are merely
+# shorthand for two otherwise separate rules.  To be safe for parallel
+# make, we must chain the dependencies like this.  The semicolon is
+# important, otherwise make will choose some built-in rule.
 
-endif # PORTNAME == win32
+$(stlib): $(shlib) ;
 
-endif # enable_shared
+# XXX A backend that loads a module linked with libgcc_s_dw2-1.dll will exit
+# uncleanly, hence -static-libgcc.  (Last verified with MinGW-w64 compilers
+# from i686-4.9.1-release-win32-dwarf-rt_v3-rev1.)  Shared libgcc has better
+# support for C++/Java exceptions; while core PostgreSQL does not use them, it
+# would be nice to support shared libgcc for the benefit of extensions.
+#
+# If SHLIB_EXPORTS is set, the rules below will build a .def file from that.
+# Else we just use --export-all-symbols.
+ifeq (,$(SHLIB_EXPORTS))
+$(shlib): $(OBJS) | $(SHLIB_PREREQS)
+       $(CC) $(CFLAGS)  -shared -static-libgcc -o $@  $(OBJS) $(LDFLAGS) $(LDFLAGS_SL) $(SHLIB_LINK) $(LIBS) -Wl,--export-all-symbols -Wl,--out-implib=$(stlib)
+else
+DLL_DEFFILE = lib$(NAME)dll.def
+
+$(shlib): $(OBJS) $(DLL_DEFFILE) | $(SHLIB_PREREQS)
+       $(CC) $(CFLAGS)  -shared -static-libgcc -o $@  $(OBJS) $(DLL_DEFFILE) $(LDFLAGS) $(LDFLAGS_SL) $(SHLIB_LINK) $(LIBS) -Wl,--out-implib=$(stlib)
+endif
+
+endif # PORTNAME == cgywin
+endif # PORTNAME == cygwin || PORTNAME == win32
+
+
+%.pc: $(MAKEFILE_LIST)
+       echo 'Name: lib$(NAME)' >$@
+       echo 'Description: PostgreSQL lib$(NAME) library' >>$@
+       echo 'Url: http://www.postgresql.org/' >>$@
+       echo 'Version: $(VERSION)' >>$@
+       echo 'Requires: ' >>$@
+       echo 'Requires.private: $(PKG_CONFIG_REQUIRES_PRIVATE)' >>$@
+       echo 'Cflags: -I$(includedir)' >>$@
+       echo 'Libs: -L$(libdir) -l$(NAME)' >>$@
+# Record -L flags that the user might have passed in to the PostgreSQL
+# build to locate third-party libraries (e.g., ldap, ssl).  Filter out
+# those that point inside the build or source tree.  Use sort to
+# remove duplicates.  Also record the -l flags necessary for static
+# linking, but not those already covered by Requires.private.
+       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%,$(SHLIB_LINK)))' >>$@
+
+
+# We need several not-quite-identical variants of .DEF files to build
+# DLLs for Windows.  These are made from the single source file
+# exports.txt.  Since we can't assume that Windows boxes will have
+# sed, the .DEF files are always built and included in distribution
+# tarballs.
+
+ifneq (,$(SHLIB_EXPORTS))
+distprep: lib$(NAME)dll.def lib$(NAME)ddll.def blib$(NAME)dll.def
+
+UC_NAME = $(shell echo $(NAME) | tr 'abcdefghijklmnopqrstuvwxyz' 'ABCDEFGHIJKLMNOPQRSTUVWXYZ')
+
+lib$(NAME)dll.def: $(SHLIB_EXPORTS)
+       echo '; DEF file for win32.mak release build and for Makefile.shlib (MinGW)' >$@
+       echo 'LIBRARY LIB$(UC_NAME).dll' >>$@
+       echo 'EXPORTS' >>$@
+       sed -e '/^#/d' -e 's/^\(.*[     ]\)\([0-9][0-9]*\)/    \1@ \2/' $< >>$@
+
+lib$(NAME)ddll.def: $(SHLIB_EXPORTS)
+       echo '; DEF file for win32.mak debug build' >$@
+       echo 'LIBRARY LIB$(UC_NAME)D.dll' >>$@
+       echo 'EXPORTS' >>$@
+       sed -e '/^#/d' -e 's/^\(.*[     ]\)\([0-9][0-9]*\)/    \1@ \2/' $< >>$@
+
+blib$(NAME)dll.def: $(SHLIB_EXPORTS)
+       echo '; DEF file for bcc32.mak (Borland C++ Builder)' >$@
+       echo 'LIBRARY BLIB$(UC_NAME)' >>$@
+       echo 'EXPORTS' >>$@
+       sed -e '/^#/d' -e 's/^\(.*[     ]\)\([0-9][0-9]*\)/    _\1@ \2/' $< >>$@
+       echo >>$@
+       echo '; Aliases for MS compatible names' >> $@
+       sed -e '/^#/d' -e 's/^\(.*[     ]\)\([0-9][0-9]*\)/    \1= _\1/' $< | sed 's/ *$$//' >>$@
+endif # SHLIB_EXPORTS
 
 
 ##
 ## INSTALL
 ##
 
-.PHONY: install-lib install-lib-static install-lib-shared
-install-lib: install-lib-static install-lib-shared
+.PHONY: install-lib install-lib-static install-lib-shared installdirs-lib
+install-lib: install-lib-shared
+ifdef soname
+install-lib: install-lib-static
+install-lib: install-lib-pc
+endif
 
-install-lib-static: lib$(NAME).a
-       $(INSTALL_STLIB) $< $(DESTDIR)$(libdir)/lib$(NAME).a
+install-lib-pc: lib$(NAME).pc installdirs-lib
+       $(INSTALL_DATA) $< '$(DESTDIR)$(pkgconfigdir)/lib$(NAME).pc'
+
+install-lib-static: $(stlib) installdirs-lib
+       $(INSTALL_STLIB) $< '$(DESTDIR)$(libdir)/$(stlib)'
 ifeq ($(PORTNAME), darwin)
-       cd $(DESTDIR)$(libdir) && \
-       ranlib lib$(NAME).a
+       cd '$(DESTDIR)$(libdir)' && \
+       ranlib $(stlib)
 endif
 
-ifeq ($(enable_shared), yes)
-install-lib-shared: $(shlib)
-       $(INSTALL_SHLIB) $< $(DESTDIR)$(libdir)/$(shlib)
+install-lib-shared: $(shlib) installdirs-lib
+ifdef soname
+# we don't install $(shlib) on AIX
+# (see http://archives.postgresql.org/message-id/52EF20B2E3209443BC37736D00C3C1380A6E79FE@EXADV1.host.magwien.gv.at)
+ifneq ($(PORTNAME), aix)
+       $(INSTALL_SHLIB) $< '$(DESTDIR)$(libdir)/$(shlib)'
 ifneq ($(PORTNAME), cygwin)
 ifneq ($(PORTNAME), win32)
 ifneq ($(shlib), $(shlib_major))
-       cd $(DESTDIR)$(libdir) && \
+       cd '$(DESTDIR)$(libdir)' && \
        rm -f $(shlib_major) && \
        $(LN_S) $(shlib) $(shlib_major)
 endif
 ifneq ($(shlib), $(shlib_bare))
-       cd $(DESTDIR)$(libdir) && \
+       cd '$(DESTDIR)$(libdir)' && \
        rm -f $(shlib_bare) && \
        $(LN_S) $(shlib) $(shlib_bare)
 endif
 endif # not win32
 endif # not cygwin
-endif # enable_shared
+endif # not aix
+ifneq (,$(findstring $(PORTNAME),win32 cygwin))
+       $(INSTALL_SHLIB) $< '$(DESTDIR)$(bindir)/$(shlib)'
+endif
+else # no soname
+       $(INSTALL_SHLIB) $< '$(DESTDIR)$(pkglibdir)/$(shlib)'
+endif
+
+
+installdirs-lib:
+ifdef soname
+       $(MKDIR_P) '$(DESTDIR)$(libdir)' '$(DESTDIR)$(pkgconfigdir)' $(if $(findstring $(PORTNAME),win32 cygwin),'$(DESTDIR)$(bindir)')
+else
+       $(MKDIR_P) '$(DESTDIR)$(pkglibdir)'
+endif
 
 
 ##
@@ -369,12 +512,15 @@ endif # enable_shared
 
 .PHONY: uninstall-lib
 uninstall-lib:
-       rm -f $(DESTDIR)$(libdir)/lib$(NAME).a
-ifeq ($(enable_shared), yes)
-       rm -f $(DESTDIR)$(libdir)/$(shlib_bare) \
-         $(DESTDIR)$(libdir)/$(shlib_major) \
-         $(DESTDIR)$(libdir)/$(shlib)
-endif # enable_shared
+ifdef soname
+       rm -f '$(DESTDIR)$(libdir)/$(stlib)'
+       rm -f '$(DESTDIR)$(libdir)/$(shlib_bare)' \
+         '$(DESTDIR)$(libdir)/$(shlib_major)' \
+         '$(DESTDIR)$(libdir)/$(shlib)' $(if $(findstring $(PORTNAME),win32 cygwin),'$(DESTDIR)$(bindir)/$(shlib)') \
+         '$(DESTDIR)$(pkgconfigdir)/lib$(NAME).pc'
+else # no soname
+       rm -f '$(DESTDIR)$(pkglibdir)/$(shlib)'
+endif # no soname
 
 
 ##
@@ -383,17 +529,9 @@ endif # enable_shared
 
 .PHONY: clean-lib
 clean-lib:
-       rm -f lib$(NAME).a
-ifeq ($(enable_shared), yes)
-       rm -f $(shlib_bare) $(shlib_major) $(shlib)
-ifdef EXPSUFF
-       rm -f lib$(NAME)$(EXPSUFF)
-endif
-endif
-ifeq ($(PORTNAME), cygwin)
-       rm -f $(NAME).dll $(NAME).def
-endif
+       rm -f $(shlib) $(shlib_bare) $(shlib_major) $(stlib) $(exports_file) lib$(NAME).pc
 
-ifeq ($(PORTNAME), win32)
-       rm -f $(NAME).dll $(NAME).def
+ifneq (,$(SHLIB_EXPORTS))
+maintainer-clean-lib:
+       rm -f lib$(NAME)dll.def lib$(NAME)ddll.def blib$(NAME)dll.def
 endif