1 #-------------------------------------------------------------------------
4 # Common rules for building shared libraries
6 # Copyright (c) 1998, Regents of the University of California
11 #-------------------------------------------------------------------------
13 # This file should be included by any Postgres module Makefile that
14 # wants to build a shared library (if possible for the current
15 # platform). A static library is also built from the same object
16 # files. Only one library can be built per makefile.
18 # Before including this file, the module Makefile must define these
21 # NAME Name of library to build (no suffix nor "lib" prefix)
22 # OBJS List of object files to include in library
23 # SHLIB_LINK If shared library relies on other libraries,
24 # additional stuff to put in its link command
25 # SHLIB_PREREQS Order-only prerequisites for library build target
26 # SHLIB_EXPORTS (optional) Name of file containing list of symbols to
27 # export, in the format "function_name number"
29 # When building a shared library, the following version information
30 # must also be set. It should be omitted when building a dynamically
33 # SO_MAJOR_VERSION Major version number to use for shared library
34 # SO_MINOR_VERSION Minor version number to use for shared library
35 # (If you want a patchlevel, include it in SO_MINOR_VERSION, e.g., "6.2".)
37 # Optional flags when building DLL's (only applicable to win32 and cygwin
39 # DLLTOOL_DEFFLAGS Additional flags when creating the dll .def file
40 # DLLTOOL_LIBFLAGS Additional flags when creating the lib<module>.a file
41 # DLLWRAP_FLAGS Additional flags to dllwrap
43 # The module Makefile must also include
44 # $(top_builddir)/src/Makefile.global before including this file.
45 # (Makefile.global sets PORTNAME and other needed symbols.)
47 # This makefile provides the following (phony) targets:
49 # all-lib build the static and shared (if applicable) libraries
50 # install-lib install the libraries into $(libdir)
51 # installdirs-lib create installation directory $(libdir)
52 # uninstall-lib remove the libraries from $(libdir)
53 # clean-lib delete the static and shared libraries from the build dir
54 # maintainer-clean-lib delete .def files built for win32
56 # Since `all-lib' is the first rule in this file you probably want to
57 # have the `all' target before including this file. In the most simple
58 # case it would look like this:
62 # Similarly, the install rule might look like
64 # install: install-lib
66 # plus any additional things you want to install. Et cetera.
68 # Got that? Look at src/interfaces/libpq/Makefile for an example.
70 # While the linker allows creation of most shared libraries,
71 # -Bsymbolic requires resolution of all symbols, making the
72 # compiler a better choice for shared library creation on ELF platforms.
73 # With the linker, -Bsymbolic requires the crt1.o startup object file.
77 COMPILER = $(CC) $(CFLAGS)
78 LINK.static = $(AR) $(AROPT)
82 ifdef SO_MAJOR_VERSION
83 # Default library naming convention used by the majority of platforms
84 shlib = lib$(NAME)$(DLSUFFIX).$(SO_MAJOR_VERSION).$(SO_MINOR_VERSION)
85 shlib_major = lib$(NAME)$(DLSUFFIX).$(SO_MAJOR_VERSION)
86 shlib_bare = lib$(NAME)$(DLSUFFIX)
87 # Testing the soname variable is a reliable way to determine whether a
88 # linkable library is being built.
89 soname = $(shlib_major)
91 # Naming convention for dynamically loadable modules
92 shlib = $(NAME)$(DLSUFFIX)
97 # additional flags for backend modules
98 SHLIB_LINK += $(BE_DLLLIBS)
101 # For each platform we support shared libraries on, set shlib to the
102 # name of the library (if default above is not right), set
103 # LINK.shared to the command to link the library,
104 # and adjust SHLIB_LINK if necessary.
106 # Try to keep the sections in some kind of order, folks...
108 override CFLAGS += $(CFLAGS_SL)
109 ifdef SO_MAJOR_VERSION
110 # libraries ought to use this to refer to versioned gettext domain names
111 override CPPFLAGS += -DSO_MAJOR_VERSION=$(SO_MAJOR_VERSION)
114 ifeq ($(PORTNAME), aix)
115 ifdef SO_MAJOR_VERSION
116 shlib = lib$(NAME)$(DLSUFFIX).$(SO_MAJOR_VERSION)
119 exports_file = lib$(NAME).exp
122 ifeq ($(PORTNAME), darwin)
126 ifneq ($(SO_MAJOR_VERSION), 0)
127 version_link = -compatibility_version $(SO_MAJOR_VERSION) -current_version $(SO_MAJOR_VERSION).$(SO_MINOR_VERSION)
129 LINK.shared = $(COMPILER) -dynamiclib -install_name '$(libdir)/lib$(NAME).$(SO_MAJOR_VERSION)$(DLSUFFIX)' $(version_link) $(exported_symbols_list) -multiply_defined suppress
130 shlib = lib$(NAME).$(SO_MAJOR_VERSION).$(SO_MINOR_VERSION)$(DLSUFFIX)
131 shlib_major = lib$(NAME).$(SO_MAJOR_VERSION)$(DLSUFFIX)
135 LINK.shared = $(COMPILER) -bundle -multiply_defined suppress
137 BUILD.exports = $(AWK) '/^[^\#]/ {printf "_%s\n",$$1}' $< >$@
138 exports_file = $(SHLIB_EXPORTS:%.txt=%.list)
139 ifneq (,$(exports_file))
140 exported_symbols_list = -exported_symbols_list $(exports_file)
144 ifeq ($(PORTNAME), openbsd)
146 LINK.shared = $(COMPILER) -shared
148 LINK.shared += -Wl,-x,-soname,$(soname)
152 LINK.shared = $(LD) -x -Bshareable -Bforcearchive
156 ifeq ($(PORTNAME), freebsd)
158 ifdef SO_MAJOR_VERSION
159 shlib = lib$(NAME)$(DLSUFFIX).$(SO_MAJOR_VERSION)
161 LINK.shared = $(COMPILER) -shared
163 LINK.shared += -Wl,-x,-soname,$(soname)
166 ifdef SO_MAJOR_VERSION
167 shlib = lib$(NAME)$(DLSUFFIX).$(SO_MAJOR_VERSION).$(SO_MINOR_VERSION)
169 LINK.shared = $(LD) -x -Bshareable -Bforcearchive
173 ifeq ($(PORTNAME), netbsd)
175 LINK.shared = $(COMPILER) -shared
177 LINK.shared += -Wl,-x,-soname,$(soname)
180 LINK.shared = $(LD) -x -Bshareable -Bforcearchive
184 ifeq ($(PORTNAME), hpux)
185 ifdef SO_MAJOR_VERSION
186 shlib = lib$(NAME)$(DLSUFFIX).$(SO_MAJOR_VERSION)
188 ifeq ($(with_gnu_ld), yes)
189 LINK.shared = $(CC) -shared
191 LINK.shared += -Wl,-h -Wl,$(soname)
194 LINK.shared = $(LD) -b
196 LINK.shared += +h $(soname)
198 # can't use the CC-syntax rpath pattern here, so instead:
200 ifeq ($(enable_rpath), yes)
201 LINK.shared += +b '$(rpathdir)'
203 # On HPUX platforms, gcc is usually configured to search for libraries
204 # in /usr/local/lib, but ld won't do so. Add an explicit -L switch so
205 # ld can find the same libraries gcc does. Make sure it goes after any
206 # -L switches provided explicitly.
208 SHLIB_LINK += -L/usr/local/lib
211 # And we need to link with libgcc, too
213 SHLIB_LINK += `$(CC) $(LDFLAGS) -print-libgcc-file-name`
217 ifeq ($(PORTNAME), irix)
218 ifdef SO_MAJOR_VERSION
219 shlib = lib$(NAME)$(DLSUFFIX).$(SO_MAJOR_VERSION)
221 LINK.shared = $(COMPILER) -shared
223 LINK.shared += -Wl,-set_version,sgi$(SO_MAJOR_VERSION).$(SO_MINOR_VERSION)
227 ifeq ($(PORTNAME), linux)
228 LINK.shared = $(COMPILER) -shared
230 LINK.shared += -Wl,-soname,$(soname)
232 BUILD.exports = ( echo '{ global:'; $(AWK) '/^[^\#]/ {printf "%s;\n",$$1}' $<; echo ' local: *; };' ) >$@
233 exports_file = $(SHLIB_EXPORTS:%.txt=%.list)
234 ifneq (,$(exports_file))
235 LINK.shared += -Wl,--version-script=$(exports_file)
239 ifeq ($(PORTNAME), solaris)
241 LINK.shared = $(COMPILER) -shared
243 LINK.shared = $(COMPILER) -G
246 ifeq ($(with_gnu_ld), yes)
247 LINK.shared += -Wl,-soname,$(soname)
249 LINK.shared += -h $(soname)
254 ifeq ($(PORTNAME), osf)
255 LINK.shared = $(LD) -shared -expect_unresolved '*'
258 ifeq ($(PORTNAME), sco)
260 LINK.shared = $(CC) -shared
262 LINK.shared = $(CC) -G
264 LINK.shared += -Wl,-z,text
266 LINK.shared += -Wl,-h,$(soname)
270 ifeq ($(PORTNAME), unixware)
272 LINK.shared = $(CC) -shared
274 LINK.shared = $(CC) -G
276 LINK.shared += -Wl,-z,text
278 LINK.shared += -Wl,-h,$(soname)
282 ifeq ($(PORTNAME), cygwin)
283 ifdef SO_MAJOR_VERSION
284 shlib = cyg$(NAME)$(DLSUFFIX)
289 ifeq ($(PORTNAME), win32)
290 ifdef SO_MAJOR_VERSION
291 shlib = lib$(NAME)$(DLSUFFIX)
302 .PHONY: all-lib all-static-lib all-shared-lib
304 all-lib: all-shared-lib
306 # no static library when building a dynamically loadable module
307 all-lib: all-static-lib
310 all-static-lib: $(stlib)
312 all-shared-lib: $(shlib)
315 $(stlib): $(OBJS) | $(SHLIB_PREREQS)
321 ifeq (,$(filter cygwin win32,$(PORTNAME)))
322 ifneq ($(PORTNAME), aix)
325 $(shlib): $(OBJS) | $(SHLIB_PREREQS)
326 $(LINK.shared) -o $@ $(OBJS) $(LDFLAGS) $(LDFLAGS_SL) $(SHLIB_LINK)
328 # If we're using major and minor versions, then make a symlink to major-version-only.
329 ifneq ($(shlib), $(shlib_major))
331 $(LN_S) $(shlib) $(shlib_major)
333 # Make sure we have a link to a name without any version numbers
334 ifneq ($(shlib), $(shlib_bare))
336 $(LN_S) $(shlib) $(shlib_bare)
340 # Where possible, restrict the symbols exported by the library to just the
341 # official list, so as to avoid unintentional ABI changes. On recent Darwin
342 # this also quiets multiply-defined-symbol warnings in programs that use
343 # libpgport along with libpq.
344 ifneq (,$(SHLIB_EXPORTS))
346 $(shlib): $(SHLIB_EXPORTS:%.txt=%.list)
348 $(SHLIB_EXPORTS:%.txt=%.list): %.list: %.txt
353 else # PORTNAME == aix
356 $(shlib) $(stlib): $(OBJS) | $(SHLIB_PREREQS)
357 $(LINK.static) $(stlib) $^
359 $(MKLDEXPORT) $(stlib) >$(exports_file)
360 $(COMPILER) -o $(shlib) $(stlib) -Wl,-bE:$(exports_file) $(LDFLAGS) $(LDFLAGS_SL) $(SHLIB_LINK)
362 $(AR) $(AROPT) $(stlib) $(shlib)
364 endif # PORTNAME == aix
366 else # PORTNAME == cygwin || PORTNAME == win32
368 # Cygwin or Win32 case
370 # If SHLIB_EXPORTS is set, the rules below will build a .def file from
371 # that. Else we build a temporary one here.
372 ifeq (,$(SHLIB_EXPORTS))
373 DLL_DEFFILE = lib$(NAME)dll.def
374 exports_file = $(DLL_DEFFILE)
376 $(exports_file): $(OBJS)
377 $(DLLTOOL) --export-all $(DLLTOOL_DEFFLAGS) --output-def $@ $^
379 DLL_DEFFILE = lib$(NAME)dll.def
382 $(shlib): $(OBJS) $(DLL_DEFFILE) | $(SHLIB_PREREQS)
383 $(DLLWRAP) -o $@ --dllname $(shlib) $(DLLWRAP_FLAGS) --def $(DLL_DEFFILE) $(OBJS) $(LDFLAGS) $(LDFLAGS_SL) $(SHLIB_LINK)
385 $(stlib): $(shlib) $(DLL_DEFFILE) | $(SHLIB_PREREQS)
386 $(DLLTOOL) --dllname $(shlib) $(DLLTOOL_LIBFLAGS) --def $(DLL_DEFFILE) --output-lib $@
388 endif # PORTNAME == cygwin || PORTNAME == win32
391 # We need several not-quite-identical variants of .DEF files to build
392 # DLLs for Windows. These are made from the single source file
393 # exports.txt. Since we can't assume that Windows boxes will have
394 # sed, the .DEF files are always built and included in distribution
397 ifneq (,$(SHLIB_EXPORTS))
398 distprep: lib$(NAME)dll.def lib$(NAME)ddll.def blib$(NAME)dll.def
400 UC_NAME = $(shell echo $(NAME) | tr 'abcdefghijklmnopqrstuvwxyz' 'ABCDEFGHIJKLMNOPQRSTUVWXYZ')
402 lib$(NAME)dll.def: $(SHLIB_EXPORTS)
403 echo '; DEF file for MS VC++' >$@
404 echo 'LIBRARY LIB$(UC_NAME)' >>$@
406 sed -e '/^#/d' -e 's/^\(.*[ ]\)\([0-9][0-9]*\)/ \1@ \2/' $< >>$@
408 lib$(NAME)ddll.def: $(SHLIB_EXPORTS)
409 echo '; DEF file for MS VC++' >$@
410 echo 'LIBRARY LIB$(UC_NAME)D' >>$@
412 sed -e '/^#/d' -e 's/^\(.*[ ]\)\([0-9][0-9]*\)/ \1@ \2/' $< >>$@
414 blib$(NAME)dll.def: $(SHLIB_EXPORTS)
415 echo '; DEF file for Borland C++ Builder' >$@
416 echo 'LIBRARY BLIB$(UC_NAME)' >>$@
418 sed -e '/^#/d' -e 's/^\(.*[ ]\)\([0-9][0-9]*\)/ _\1@ \2/' $< >>$@
420 echo '; Aliases for MS compatible names' >> $@
421 sed -e '/^#/d' -e 's/^\(.*[ ]\)\([0-9][0-9]*\)/ \1= _\1/' $< | sed 's/ *$$//' >>$@
422 endif # SHLIB_EXPORTS
429 .PHONY: install-lib install-lib-static install-lib-shared installdirs-lib
430 install-lib: install-lib-shared
432 install-lib: install-lib-static
435 install-lib-static: $(stlib) installdirs-lib
436 $(INSTALL_STLIB) $< '$(DESTDIR)$(libdir)/$(stlib)'
437 ifeq ($(PORTNAME), darwin)
438 cd '$(DESTDIR)$(libdir)' && \
442 install-lib-shared: $(shlib) installdirs-lib
444 # we don't install $(shlib) on AIX
445 # (see http://archives.postgresql.org/message-id/52EF20B2E3209443BC37736D00C3C1380A6E79FE@EXADV1.host.magwien.gv.at)
446 ifneq ($(PORTNAME), aix)
447 $(INSTALL_SHLIB) $< '$(DESTDIR)$(libdir)/$(shlib)'
448 ifneq ($(PORTNAME), cygwin)
449 ifneq ($(PORTNAME), win32)
450 ifneq ($(shlib), $(shlib_major))
451 cd '$(DESTDIR)$(libdir)' && \
452 rm -f $(shlib_major) && \
453 $(LN_S) $(shlib) $(shlib_major)
455 ifneq ($(shlib), $(shlib_bare))
456 cd '$(DESTDIR)$(libdir)' && \
457 rm -f $(shlib_bare) && \
458 $(LN_S) $(shlib) $(shlib_bare)
464 $(INSTALL_SHLIB) $< '$(DESTDIR)$(pkglibdir)/$(shlib)'
470 $(MKDIR_P) '$(DESTDIR)$(libdir)'
472 $(MKDIR_P) '$(DESTDIR)$(pkglibdir)'
480 .PHONY: uninstall-lib
483 rm -f '$(DESTDIR)$(libdir)/$(stlib)'
484 rm -f '$(DESTDIR)$(libdir)/$(shlib_bare)' \
485 '$(DESTDIR)$(libdir)/$(shlib_major)' \
486 '$(DESTDIR)$(libdir)/$(shlib)'
488 rm -f '$(DESTDIR)$(pkglibdir)/$(shlib)'
498 rm -f $(shlib) $(shlib_bare) $(shlib_major) $(stlib) $(exports_file)
500 ifneq (,$(SHLIB_EXPORTS))
501 maintainer-clean-lib:
502 rm -f lib$(NAME)dll.def lib$(NAME)ddll.def blib$(NAME)dll.def