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#-------------------------------------------------------------------------
#
# Makefile.shlib
# Common rules for building shared libraries
#
# Copyright (c) 1998, Regents of the University of California
#
# IDENTIFICATION
# $Header: /cvsroot/pgsql/src/Makefile.shlib,v 1.1 1998/10/19 00:00:40 tgl Exp $
#
#-------------------------------------------------------------------------
# This file should be included by any Postgres module Makefile that wants
# to build a shared library (if possible for the current platform).
# A static library is also built from the same object files.
# RESTRICTION: only one library can be built per makefile...
# Before including this file, the module Makefile must define these 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, eg, "6.2".)
#
# The module Makefile must also include $(SRCDIR)/Makefile.global before
# including this file (Makefile.global sets PORTNAME and other needed symbols).
#
# The first rule in this file is a rule for "all", which causes both the
# static and shared libraries to be built (as well as all the object files).
# If you have other files that need to be made before building object files
# and libraries, put another rule for "all" before you include this file.
#
# Your install rule should look like
#
# install: install-headers install-lib $(install-shlib-dep)
#
# where install-headers is only needed if you have header files to install
# (and, of course, it has to be provided by your makefile). The rules
# install-lib and install-shlib are provided by this makefile --- they
# automatically install the plain and shared libraries into $(LIBDIR).
# install-shlib-dep is a variable that expands to install-shlib if the
# shared library needs to be installed, empty if not.
#
# Got that? Look at src/interfaces/libpq/Makefile.in for an example.
# shlib and install-shlib-dep default to empty, and stay that way if we're
# on a platform where we don't know how to build a shared library.
shlib :=
install-shlib-dep :=
# For each platform we support shlibs on, set shlib and install-shlib-dep,
# and update flags as needed to build a shared lib. Note we depend on
# Makefile.global (or really Makefile.port) to supply DLSUFFIX and other
# symbols.
ifeq ($(PORTNAME), bsd)
ifdef BSD_SHLIB
install-shlib-dep := install-shlib
shlib := lib$(NAME)$(DLSUFFIX).$(SO_MAJOR_VERSION).$(SO_MINOR_VERSION)
LDFLAGS_SL := -x -Bshareable -Bforcearchive
CFLAGS += $(CFLAGS_SL)
endif
endif
ifeq ($(PORTNAME), bsdi)
ifdef BSD_SHLIB
ifeq ($(DLSUFFIX), .so)
install-shlib-dep := install-shlib
shlib := lib$(NAME)$(DLSUFFIX).$(SO_MAJOR_VERSION).$(SO_MINOR_VERSION)
LDFLAGS_SL += -shared
CFLAGS += $(CFLAGS_SL)
endif
ifeq ($(DLSUFFIX), .o)
install-shlib-dep := install-shlib
shlib := lib$(NAME)$(DLSUFFIX).$(SO_MAJOR_VERSION).$(SO_MINOR_VERSION)
LD := shlicc
LDFLAGS_SL += -O -r
CFLAGS += $(CFLAGS_SL)
endif
endif
endif
ifeq ($(PORTNAME), hpux)
install-shlib-dep := install-shlib
# HPUX doesn't believe in version numbers for shlibs
shlib := lib$(NAME)$(DLSUFFIX)
LDFLAGS_SL := -b
CFLAGS += $(CFLAGS_SL)
endif
ifeq ($(PORTNAME), linux)
install-shlib-dep := install-shlib
shlib := lib$(NAME)$(DLSUFFIX).$(SO_MAJOR_VERSION).$(SO_MINOR_VERSION)
LDFLAGS_SL := -shared -soname $(shlib)
CFLAGS += $(CFLAGS_SL)
endif
ifeq ($(PORTNAME), solaris_i386)
install-shlib-dep := install-shlib
shlib := lib$(NAME)$(DLSUFFIX).$(SO_MAJOR_VERSION).$(SO_MINOR_VERSION)
LDFLAGS_SL := -G
CFLAGS += $(CFLAGS_SL)
endif
ifeq ($(PORTNAME), solaris_sparc)
install-shlib-dep := install-shlib
shlib := lib$(NAME)$(DLSUFFIX).$(SO_MAJOR_VERSION).$(SO_MINOR_VERSION)
LDFLAGS_SL := -G
CFLAGS += $(CFLAGS_SL)
endif
ifeq ($(PORTNAME), svr4)
install-shlib-dep := install-shlib
shlib := lib$(NAME)$(DLSUFFIX).$(SO_MAJOR_VERSION).$(SO_MINOR_VERSION)
LDFLAGS_SL := -G
CFLAGS += $(CFLAGS_SL)
endif
ifeq ($(PORTNAME), univel)
install-shlib-dep := install-shlib
shlib := lib$(NAME)$(DLSUFFIX).$(SO_MAJOR_VERSION).$(SO_MINOR_VERSION)
LDFLAGS_SL := -G -z text
CFLAGS += $(CFLAGS_SL)
ifeq ($(CXX), CC)
CXXFLAGS += -Xw
COMPILE.cc = $(CXX) $(CXXFLAGS:ll,alloca=ll) $(CPPFLAGS) $(TARGET_ARCH) -c
endif
endif
ifeq ($(PORTNAME), unixware)
install-shlib-dep := install-shlib
shlib := lib$(NAME)$(DLSUFFIX).$(SO_MAJOR_VERSION).$(SO_MINOR_VERSION)
LDFLAGS_SL := -G -z text
CFLAGS += $(CFLAGS_SL)
ifeq ($(CXX), CC)
CXXFLAGS += -Xw
COMPILE.cc = $(CXX) $(CXXFLAGS:ll,alloca=ll) $(CPPFLAGS) $(TARGET_ARCH) -c
endif
endif
# Default target definition. Note shlib is empty if not building a shlib.
all: lib$(NAME).a $(shlib)
# Rules to build regular and shared libraries
lib$(NAME).a: $(OBJS)
ifdef MK_NO_LORDER
$(AR) $(AROPT) $@ $(OBJS)
else
$(AR) $(AROPT) $@ `lorder $(OBJS) | tsort`
endif
$(RANLIB) $@
$(shlib): $(OBJS)
$(LD) $(LDFLAGS_SL) -o $@ $(OBJS) $(SHLIB_LINK)
# Rules to install regular and shared libraries
.PHONY: all install-lib install-shlib
install-lib: lib$(NAME).a
$(INSTALL) $(INSTL_LIB_OPTS) lib$(NAME).a $(LIBDIR)/lib$(NAME).a
install-shlib: $(shlib)
$(INSTALL) $(INSTL_SHLIB_OPTS) $(shlib) $(LIBDIR)/$(shlib)
if [ "$(shlib)" != "lib$(NAME)$(DLSUFFIX).$(SO_MAJOR_VERSION)" ]; then \
cd $(LIBDIR); \
rm -f lib$(NAME)$(DLSUFFIX).$(SO_MAJOR_VERSION); \
$(LN_S) $(shlib) lib$(NAME)$(DLSUFFIX).$(SO_MAJOR_VERSION); \
fi
if [ "$(shlib)" != "lib$(NAME)$(DLSUFFIX)" ]; then \
cd $(LIBDIR); \
rm -f lib$(NAME)$(DLSUFFIX); \
$(LN_S) $(shlib) lib$(NAME)$(DLSUFFIX); \
fi
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