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openssl/Makefile.shared
Richard Levitte fcf80c469a unified build scheme: add the tweaks to build on Cygwin & Mingw 
Cygwin and Mingw name their libraries a bit differently from the rest
of the POSIXly universe, we need to adapt to that.

In Makefile.tmpl, it means that some hunks will only be output
conditionally.

This also means that shared_extension for the Cygwin and Mingw
configurations in Configurations/10-main.conf are changing from .dll.a
to .dll.  Makefile.shared does a fine job without having them
specified, and it's much easier to work with tucking an extra .a at
the end of files in the installation recipes than any amount of name
rewrites, especially with the support of the SHARED_NAME in the top
build.info.

Reviewed-by: Rich Salz <rsalz@openssl.org>
2016-02-10 14:36:04 +01:00

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#
# Helper makefile to link shared libraries in a portable way.
# This is much simpler than libtool, and hopefully not too error-prone.
#
# The following variables need to be set on the command line to build
# properly
# CC contains the current compiler. This one MUST be defined
CC=cc
CFLAGS=$(CFLAG)
# LDFLAGS contains flags to be used when temporary object files (when building
# shared libraries) are created, or when an application is linked.
# SHARED_LDFLAGS contains flags to be used when the shared library is created.
LDFLAGS=$(LDFLAG)
SHARED_LDFLAGS=$(SHARED_LDFLAG)
NM=nm
# LIBNAME contains just the name of the library, without prefix ("lib"
# on Unix, "cyg" for certain forms under Cygwin...) or suffix (.a, .so,
# .dll, ...). This one MUST have a value when using this makefile to
# build shared libraries.
# For example, to build libfoo.so, you need to do the following:
#LIBNAME=foo
LIBNAME=
# APPNAME contains just the name of the application, without suffix (""
# on Unix, ".exe" on Windows, ...). This one MUST have a value when using
# this makefile to build applications.
# For example, to build foo, you need to do the following:
#APPNAME=foo
APPNAME=
# DSTDIR is the directory where the built file should end up in.
DSTDIR=.
# SRCDIR is the top directory of the source tree.
SRCDIR=.
# OBJECTS contains all the object files to link together into the application.
# This must contain at least one object file.
#OBJECTS=foo.o
OBJECTS=
# LIBEXTRAS contains extra modules to link together with the library.
# For example, if a second library, say libbar.a needs to be linked into
# libfoo.so, you need to do the following:
#LIBEXTRAS=libbar.a
# Note that this MUST be used when using the link_o targets, to hold the
# names of all object files that go into the target library.
LIBEXTRAS=
# LIBVERSION contains the current version of the library.
# For example, to build libfoo.so.1.2, you need to do the following:
#LIBVERSION=1.2
LIBVERSION=
# LIBCOMPATVERSIONS contains the compatibility versions (a list) of
# the library. They MUST be in decreasing order.
# For example, if libfoo.so.1.2.1 is backward compatible with libfoo.so.1.2
# and libfoo.so.1, you need to do the following:
#LIBCOMPATVERSIONS=1.2 1
# Note that on systems that use sonames, the last number will appear as
# part of it.
# It's also possible, for systems that support it (Tru64, for example),
# to add extra compatibility info with more precision, by adding a second
# list of versions, separated from the first with a semicolon, like this:
#LIBCOMPATVERSIONS=1.2 1;1.2.0 1.1.2 1.1.1 1.1.0 1.0.0
LIBCOMPATVERSIONS=
# LIBDEPS contains all the flags necessary to cover all necessary
# dependencies to other libraries.
LIBDEPS=
#------------------------------------------------------------------------------
# The rest is private to this makefile.
SET_X=:
#SET_X=set -x
top:
echo "Trying to use this makefile interactively? Don't."
CALC_VERSIONS= \
SHLIB_COMPAT=; SHLIB_SOVER=; \
if [ -n "$(LIBVERSION)$(LIBCOMPATVERSIONS)" ]; then \
prev=""; \
for v in `echo "$(LIBVERSION) $(LIBCOMPATVERSIONS)" | cut -d';' -f1`; do \
SHLIB_SOVER_NODOT=$$v; \
SHLIB_SOVER=.$$v; \
if [ -n "$$prev" ]; then \
SHLIB_COMPAT="$$SHLIB_COMPAT .$$prev"; \
fi; \
prev=$$v; \
done; \
fi
LINK_APP= \
( $(SET_X); \
LIBDEPS="$${LIBDEPS:-$(LIBDEPS)}"; \
LDCMD="$${LDCMD:-$(CC)}"; LDFLAGS="$${LDFLAGS:-$(CFLAGS) $(LDFLAGS)}"; \
LIBPATH=`for x in $$LIBDEPS; do echo $$x; done | sed -e 's/^ *-L//;t' -e d | uniq`; \
LIBPATH=`echo $$LIBPATH | sed -e 's/ /:/g'`; \
echo LD_LIBRARY_PATH=$$LIBPATH:$$LD_LIBRARY_PATH \
$${LDCMD} $${LDFLAGS} -o $${APPNAME:=$(APPNAME)} $(OBJECTS) $${LIBDEPS}; \
LD_LIBRARY_PATH=$$LIBPATH:$$LD_LIBRARY_PATH \
$${LDCMD} $${LDFLAGS} -o $${APPNAME:=$(APPNAME)} $(OBJECTS) $${LIBDEPS} )
LINK_SO= \
( $(SET_X); \
LIBDEPS="$${LIBDEPS:-$(LIBDEPS)}"; \
SHAREDCMD="$${SHAREDCMD:-$(CC)}"; \
SHAREDFLAGS="$${SHAREDFLAGS:-$(CFLAGS) $(SHARED_LDFLAGS)}"; \
LIBPATH=`for x in $$LIBDEPS; do echo $$x; done | sed -e 's/^ *-L//;t' -e d | uniq`; \
LIBPATH=`echo $$LIBPATH | sed -e 's/ /:/g'`; \
echo LD_LIBRARY_PATH=$$LIBPATH:$$LD_LIBRARY_PATH \
$${SHAREDCMD} $${SHAREDFLAGS} \
-o $(DSTDIR)/$$SHLIB$$SHLIB_SOVER$$SHLIB_SUFFIX \
$$ALLSYMSFLAGS $$SHOBJECTS $$NOALLSYMSFLAGS $$LIBDEPS; \
LD_LIBRARY_PATH=$$LIBPATH:$$LD_LIBRARY_PATH \
$${SHAREDCMD} $${SHAREDFLAGS} \
-o $(DSTDIR)/$$SHLIB$$SHLIB_SOVER$$SHLIB_SUFFIX \
$$ALLSYMSFLAGS $$SHOBJECTS $$NOALLSYMSFLAGS $$LIBDEPS \
) && $(SYMLINK_SO)
SYMLINK_SO= \
if [ -n "$$INHIBIT_SYMLINKS" ]; then :; else \
prev=$$SHLIB$$SHLIB_SOVER$$SHLIB_SUFFIX; \
if [ -n "$$SHLIB_COMPAT" ]; then \
for x in $$SHLIB_COMPAT; do \
( $(SET_X); rm -f $(DSTDIR)/$$SHLIB$$x$$SHLIB_SUFFIX; \
ln -s $$prev $(DSTDIR)/$$SHLIB$$x$$SHLIB_SUFFIX ); \
prev=$$SHLIB$$x$$SHLIB_SUFFIX; \
done; \
fi; \
if [ -n "$$SHLIB_SOVER" ]; then \
( $(SET_X); rm -f $(DSTDIR)/$$SHLIB$$SHLIB_SUFFIX; \
ln -s $$prev $(DSTDIR)/$$SHLIB$$SHLIB_SUFFIX ); \
fi; \
fi
LINK_SO_A= SHOBJECTS="$(DSTDIR)/lib$(LIBNAME).a $(LIBEXTRAS)"; $(LINK_SO)
LINK_SO_O= SHOBJECTS="$(LIBEXTRAS)"; $(LINK_SO)
LINK_SO_A_VIA_O= \
SHOBJECTS=$(DSTDIR)/lib$(LIBNAME).o; \
ALL=$$ALLSYMSFLAGS; ALLSYMSFLAGS=; NOALLSYMSFLAGS=; \
( echo ld $(LDFLAGS) -r -o $$SHOBJECTS.o $$ALL lib$(LIBNAME).a $(LIBEXTRAS); \
ld $(LDFLAGS) -r -o $$SHOBJECTS.o $$ALL $(DSTDIR)/lib$(LIBNAME).a $(LIBEXTRAS) ); \
$(LINK_SO) && ( echo rm -f $$SHOBJECTS; rm -f $$SHOBJECTS )
LINK_SO_A_UNPACKED= \
UNPACKDIR=link_tmp.$$$$; rm -rf $$UNPACKDIR; mkdir $$UNPACKDIR; \
(cd $$UNPACKDIR; ar x ../$(DSTDIR)/lib$(LIBNAME).a) && \
([ -z "$(LIBEXTRAS)" ] || cp $(LIBEXTRAS) $$UNPACKDIR) && \
SHOBJECTS=$$UNPACKDIR/*.o; \
$(LINK_SO) && rm -rf $$UNPACKDIR
DETECT_GNU_LD=($(CC) -Wl,-V /dev/null 2>&1 | grep '^GNU ld' )>/dev/null
DO_GNU_SO=$(CALC_VERSIONS); \
SHLIB=lib$(LIBNAME).so; \
SHLIB_SUFFIX=; \
ALLSYMSFLAGS='-Wl,--whole-archive'; \
NOALLSYMSFLAGS='-Wl,--no-whole-archive'; \
SHAREDFLAGS="$(CFLAGS) $(SHARED_LDFLAGS) -shared -Wl,-Bsymbolic -Wl,-soname=$$SHLIB$$SHLIB_SOVER$$SHLIB_SUFFIX"
DO_GNU_APP=LDFLAGS="$(CFLAGS) $(LDFLAGS) -Wl,-rpath,$(LIBRPATH)"
#This is rather special. It's a special target with which one can link
#applications without bothering with any features that have anything to
#do with shared libraries, for example when linking against static
#libraries. It's mostly here to avoid a lot of conditionals everywhere
#else...
link_app.:
$(LINK_APP)
link_o.gnu:
@ $(DO_GNU_SO); $(LINK_SO_O)
link_a.gnu:
@ $(DO_GNU_SO); $(LINK_SO_A)
link_app.gnu:
@ $(DO_GNU_APP); $(LINK_APP)
link_a.linux-shared:
@if [ $(LIBNAME) != "crypto" -a $(LIBNAME) != "ssl" ]; then $(DO_GNU_SO); else \
$(PERL) $(SRCDIR)/util/mkdef.pl $(LIBNAME) linux >$(LIBNAME).map; \
$(CALC_VERSIONS); \
SHLIB=lib$(LIBNAME).so; \
SHLIB_SUFFIX=; \
ALLSYMSFLAGS='-Wl,--whole-archive,--version-script=$(LIBNAME).map'; \
NOALLSYMSFLAGS='-Wl,--no-whole-archive'; \
SHAREDFLAGS="$(CFLAGS) $(SHARED_LDFLAGS) -shared -Wl,-Bsymbolic -Wl,-soname=$$SHLIB$$SHLIB_SOVER$$SHLIB_SUFFIX"; \
fi; $(LINK_SO_A)
link_o.bsd:
@if $(DETECT_GNU_LD); then $(DO_GNU_SO); else \
$(CALC_VERSIONS); \
SHLIB=lib$(LIBNAME).so; \
SHLIB_SUFFIX=; \
LIBDEPS=" "; \
ALLSYMSFLAGS="-Wl,-Bforcearchive"; \
NOALLSYMSFLAGS=; \
SHAREDFLAGS="$(CFLAGS) $(SHARED_LDFLAGS) -shared -nostdlib"; \
fi; $(LINK_SO_O)
link_a.bsd:
@if $(DETECT_GNU_LD); then $(DO_GNU_SO); else \
$(CALC_VERSIONS); \
SHLIB=lib$(LIBNAME).so; \
SHLIB_SUFFIX=; \
LIBDEPS=" "; \
ALLSYMSFLAGS="-Wl,-Bforcearchive"; \
NOALLSYMSFLAGS=; \
SHAREDFLAGS="$(CFLAGS) $(SHARED_LDFLAGS) -shared -nostdlib"; \
fi; $(LINK_SO_A)
link_app.bsd:
@if $(DETECT_GNU_LD); then $(DO_GNU_APP); else \
LDFLAGS="$(CFLAGS) $(LDFLAGS) -Wl,-rpath,$(LIBPATH)"; \
fi; $(LINK_APP)
# For Darwin AKA Mac OS/X (dyld)
# Originally link_o.darwin produced .so, because it was hard-coded
# in dso_dlfcn module. At later point dso_dlfcn switched to .dylib
# extension in order to allow for run-time linking with vendor-
# supplied shared libraries such as libz, so that link_o.darwin had
# to be harmonized with it. This caused minor controversy, because
# it was believed that dlopen can't be used to dynamically load
# .dylib-s, only so called bundle modules (ones linked with -bundle
# flag). The belief seems to be originating from pre-10.4 release,
# where dlfcn functionality was emulated by dlcompat add-on. In
# 10.4 dlopen was rewritten as native part of dyld and is documented
# to be capable of loading both dynamic libraries and bundles. In
# order to provide compatibility with pre-10.4 dlopen, modules are
# linked with -bundle flag, which makes .dylib extension misleading.
# It works, because dlopen is [and always was] extension-agnostic.
# Alternative to this heuristic approach is to develop specific
# MacOS X dso module relying on whichever "native" dyld interface.
link_o.darwin:
@ $(CALC_VERSIONS); \
SHLIB=lib$(LIBNAME); \
SHLIB_SUFFIX=.dylib; \
ALLSYMSFLAGS='-all_load'; \
NOALLSYMSFLAGS=''; \
SHAREDFLAGS="$(CFLAGS) `echo $(SHARED_LDFLAGS) | sed s/dynamiclib/bundle/`"; \
if [ -n "$(LIBVERSION)" ]; then \
SHAREDFLAGS="$$SHAREDFLAGS -current_version $(LIBVERSION)"; \
fi; \
if [ -n "$$SHLIB_SOVER_NODOT" ]; then \
SHAREDFLAGS="$$SHAREDFLAGS -compatibility_version $$SHLIB_SOVER_NODOT"; \
fi; \
$(LINK_SO_O)
link_a.darwin:
@ $(CALC_VERSIONS); \
SHLIB=lib$(LIBNAME); \
SHLIB_SUFFIX=.dylib; \
ALLSYMSFLAGS='-all_load'; \
NOALLSYMSFLAGS=''; \
SHAREDFLAGS="$(CFLAGS) $(SHARED_LDFLAGS)"; \
if [ -n "$(LIBVERSION)" ]; then \
SHAREDFLAGS="$$SHAREDFLAGS -current_version $(LIBVERSION)"; \
fi; \
if [ -n "$$SHLIB_SOVER_NODOT" ]; then \
SHAREDFLAGS="$$SHAREDFLAGS -compatibility_version $$SHLIB_SOVER_NODOT"; \
fi; \
SHAREDFLAGS="$$SHAREDFLAGS -install_name $(INSTALLTOP)/$(LIBDIR)/$$SHLIB$(SHLIB_EXT)"; \
$(LINK_SO_A)
link_app.darwin: # is there run-path on darwin?
$(LINK_APP)
link_o.cygwin:
@ $(CALC_VERSIONS); \
INHIBIT_SYMLINKS=yes; \
SHLIB=cyg$(LIBNAME); \
base=-Wl,--enable-auto-image-base; \
deffile=; \
if expr $(PLATFORM) : 'mingw' > /dev/null; then \
SHLIB=$(LIBNAME)eay32; base=; \
if test -f $(LIBNAME)eay32.def; then \
deffile=$(LIBNAME)eay32.def; \
fi; \
fi; \
SHLIB_SUFFIX=.dll; \
LIBVERSION="$(LIBVERSION)"; \
SHLIB_SOVER=${LIBVERSION:+"-$(LIBVERSION)"}; \
ALLSYMSFLAGS='-Wl,--whole-archive'; \
NOALLSYMSFLAGS='-Wl,--no-whole-archive'; \
SHAREDFLAGS="$(CFLAGS) $(SHARED_LDFLAGS) -shared $$base $$deffile -Wl,-Bsymbolic"; \
$(LINK_SO_O)
#for mingw target if def-file is in use dll-name should match library-name
link_a.cygwin:
@ $(CALC_VERSIONS); \
INHIBIT_SYMLINKS=yes; \
SHLIB=cyg$(LIBNAME); SHLIB_SOVER=-$(LIBVERSION); SHLIB_SUFFIX=.dll; \
dll_name=$$SHLIB$$SHLIB_SOVER$$SHLIB_SUFFIX; extras=; \
base=-Wl,--enable-auto-image-base; \
if expr $(PLATFORM) : 'mingw' > /dev/null; then \
case $(LIBNAME) in \
crypto) SHLIB=libeay;; \
ssl) SHLIB=ssleay;; \
esac; \
SHLIB_SOVER=32; \
extras="$(LIBNAME).def"; \
$(PERL) $(SRCDIR)/util/mkdef.pl 32 $$SHLIB > $$extras; \
base=; [ $(LIBNAME) = "crypto" ] && base=-Wl,--image-base,0x63000000; \
fi; \
dll_name=$$SHLIB$$SHLIB_SOVER$$SHLIB_SUFFIX; \
$(PERL) util/mkrc.pl $$dll_name | \
$(CROSS_COMPILE)windres -o rc.o; \
extras="$$extras rc.o"; \
ALLSYMSFLAGS='-Wl,--whole-archive'; \
NOALLSYMSFLAGS='-Wl,--no-whole-archive'; \
SHAREDFLAGS="$(CFLAGS) $(SHARED_LDFLAGS) -shared $$base -Wl,-Bsymbolic -Wl,--out-implib,lib$(LIBNAME).dll.a $$extras"; \
$(LINK_SO_A) || exit 1; \
rm $$extras
link_app.cygwin:
@if expr "$(CFLAGS)" : '.*OPENSSL_USE_APPLINK' > /dev/null; then \
LIBDEPS="$(SRCDIR)/crypto/applink.o $${LIBDEPS:-$(LIBDEPS)}"; \
export LIBDEPS; \
fi; \
$(LINK_APP)
link_o.alpha-osf1:
@ if $(DETECT_GNU_LD); then \
$(DO_GNU_SO); \
else \
SHLIB=lib$(LIBNAME).so; \
SHLIB_SUFFIX=; \
SHLIB_HIST=`echo "$(LIBCOMPATVERSIONS)" | cut -d';' -f2 | sed -e 's/ */:/'`; \
if [ -n "$$SHLIB_HIST" ]; then \
SHLIB_HIST="$${SHLIB_HIST}:$(LIBVERSION)"; \
else \
SHLIB_HIST="$(LIBVERSION)"; \
fi; \
SHLIB_SOVER=; \
ALLSYMSFLAGS='-all'; \
NOALLSYMSFLAGS='-none'; \
SHAREDFLAGS="$(CFLAGS) $(SHARED_LDFLAGS) -shared -Wl,-B,symbolic"; \
if [ -n "$$SHLIB_HIST" ]; then \
SHAREDFLAGS="$$SHAREDFLAGS -set_version $$SHLIB_HIST"; \
fi; \
fi; \
$(LINK_SO_O)
link_a.alpha-osf1:
@ if $(DETECT_GNU_LD); then \
$(DO_GNU_SO); \
else \
SHLIB=lib$(LIBNAME).so; \
SHLIB_SUFFIX=; \
SHLIB_HIST=`echo "$(LIBCOMPATVERSIONS)" | cut -d';' -f2 | sed -e 's/ */:/'`; \
if [ -n "$$SHLIB_HIST" ]; then \
SHLIB_HIST="$${SHLIB_HIST}:$(LIBVERSION)"; \
else \
SHLIB_HIST="$(LIBVERSION)"; \
fi; \
SHLIB_SOVER=; \
ALLSYMSFLAGS='-all'; \
NOALLSYMSFLAGS='-none'; \
SHAREDFLAGS="$(CFLAGS) $(SHARED_LDFLAGS) -shared -Wl,-B,symbolic"; \
if [ -n "$$SHLIB_HIST" ]; then \
SHAREDFLAGS="$$SHAREDFLAGS -set_version $$SHLIB_HIST"; \
fi; \
fi; \
$(LINK_SO_A)
link_app.alpha-osf1:
@if $(DETECT_GNU_LD); then \
$(DO_GNU_APP); \
else \
LDFLAGS="$(CFLAGS) $(LDFLAGS) -rpath $(LIBRPATH)"; \
fi; \
$(LINK_APP)
link_o.solaris:
@ if $(DETECT_GNU_LD); then \
$(DO_GNU_SO); \
else \
$(CALC_VERSIONS); \
MINUSZ='-z '; \
($(CC) -v 2>&1 | grep gcc) > /dev/null && MINUSZ='-Wl,-z,'; \
SHLIB=lib$(LIBNAME).so; \
SHLIB_SUFFIX=; \
ALLSYMSFLAGS="$${MINUSZ}allextract"; \
NOALLSYMSFLAGS="$${MINUSZ}defaultextract"; \
SHAREDFLAGS="$(CFLAGS) $(SHARED_LDFLAGS) -h $$SHLIB$$SHLIB_SOVER$$SHLIB_SUFFIX -Wl,-Bsymbolic"; \
fi; \
$(LINK_SO_O)
link_a.solaris:
@ if $(DETECT_GNU_LD); then \
$(DO_GNU_SO); \
else \
$(CALC_VERSIONS); \
MINUSZ='-z '; \
($(CC) -v 2>&1 | grep gcc) > /dev/null && MINUSZ='-Wl,-z,'; \
SHLIB=lib$(LIBNAME).so; \
SHLIB_SUFFIX=;\
if [ $(LIBNAME) != "crypto" -a $(LIBNAME) != "ssl" ]; then \
ALLSYMSFLAGS="$${MINUSZ}allextract"; \
else \
$(PERL) $(SRCDIR)/util/mkdef.pl $(LIBNAME) linux >$(LIBNAME).map; \
ALLSYMSFLAGS="$${MINUSZ}allextract,-M,$(LIBNAME).map"; \
fi; \
NOALLSYMSFLAGS="$${MINUSZ}defaultextract"; \
SHAREDFLAGS="$(CFLAGS) $(SHARED_LDFLAGS) -h $$SHLIB$$SHLIB_SOVER$$SHLIB_SUFFIX -Wl,-Bsymbolic"; \
fi; \
$(LINK_SO_A)
link_app.solaris:
@ if $(DETECT_GNU_LD); then \
$(DO_GNU_APP); \
else \
LDFLAGS="$(CFLAGS) $(LDFLAGS) -R $(LIBRPATH)"; \
fi; \
$(LINK_APP)
# OpenServer 5 native compilers used
link_o.svr3:
@ if $(DETECT_GNU_LD); then \
$(DO_GNU_SO); \
else \
$(CALC_VERSIONS); \
SHLIB=lib$(LIBNAME).so; \
SHLIB_SUFFIX=; \
ALLSYMSFLAGS=''; \
NOALLSYMSFLAGS=''; \
SHAREDFLAGS="$(CFLAGS) -G -h $$SHLIB$$SHLIB_SOVER$$SHLIB_SUFFIX"; \
fi; \
$(LINK_SO_O)
link_a.svr3:
@ if $(DETECT_GNU_LD); then \
$(DO_GNU_SO); \
else \
$(CALC_VERSIONS); \
SHLIB=lib$(LIBNAME).so; \
SHLIB_SUFFIX=; \
ALLSYMSFLAGS=''; \
NOALLSYMSFLAGS=''; \
SHAREDFLAGS="$(CFLAGS) -G -h $$SHLIB$$SHLIB_SOVER$$SHLIB_SUFFIX"; \
fi; \
$(LINK_SO_A_UNPACKED)
link_app.svr3:
@$(DETECT_GNU_LD) && $(DO_GNU_APP); \
$(LINK_APP)
# UnixWare 7 and OpenUNIX 8 native compilers used
link_o.svr5:
@ if $(DETECT_GNU_LD); then \
$(DO_GNU_SO); \
else \
$(CALC_VERSIONS); \
SHARE_FLAG='-G'; \
($(CC) -v 2>&1 | grep gcc) > /dev/null && SHARE_FLAG='-shared'; \
SHLIB=lib$(LIBNAME).so; \
SHLIB_SUFFIX=; \
ALLSYMSFLAGS=''; \
NOALLSYMSFLAGS=''; \
SHAREDFLAGS="$(CFLAGS) $${SHARE_FLAG} -h $$SHLIB$$SHLIB_SOVER$$SHLIB_SUFFIX"; \
fi; \
$(LINK_SO_O)
link_a.svr5:
@ if $(DETECT_GNU_LD); then \
$(DO_GNU_SO); \
else \
$(CALC_VERSIONS); \
SHARE_FLAG='-G'; \
($(CC) -v 2>&1 | grep gcc) > /dev/null && SHARE_FLAG='-shared'; \
SHLIB=lib$(LIBNAME).so; \
SHLIB_SUFFIX=; \
ALLSYMSFLAGS=''; \
NOALLSYMSFLAGS=''; \
SHAREDFLAGS="$(CFLAGS) $${SHARE_FLAG} -h $$SHLIB$$SHLIB_SOVER$$SHLIB_SUFFIX"; \
fi; \
$(LINK_SO_A_UNPACKED)
link_app.svr5:
@$(DETECT_GNU_LD) && $(DO_GNU_APP); \
$(LINK_APP)
link_o.irix:
@ if $(DETECT_GNU_LD); then \
$(DO_GNU_SO); \
else \
$(CALC_VERSIONS); \
SHLIB=lib$(LIBNAME).so; \
SHLIB_SUFFIX=; \
MINUSWL=""; \
($(CC) -v 2>&1 | grep gcc) > /dev/null && MINUSWL="-Wl,"; \
ALLSYMSFLAGS="$${MINUSWL}-all"; \
NOALLSYMSFLAGS="$${MINUSWL}-none"; \
SHAREDFLAGS="$(CFLAGS) $(SHARED_LDFLAGS) -shared -Wl,-soname,$$SHLIB$$SHLIB_SOVER$$SHLIB_SUFFIX,-B,symbolic"; \
fi; \
$(LINK_SO_O)
link_a.irix:
@ if $(DETECT_GNU_LD); then \
$(DO_GNU_SO); \
else \
$(CALC_VERSIONS); \
SHLIB=lib$(LIBNAME).so; \
SHLIB_SUFFIX=; \
MINUSWL=""; \
($(CC) -v 2>&1 | grep gcc) > /dev/null && MINUSWL="-Wl,"; \
ALLSYMSFLAGS="$${MINUSWL}-all"; \
NOALLSYMSFLAGS="$${MINUSWL}-none"; \
SHAREDFLAGS="$(CFLAGS) $(SHARED_LDFLAGS) -shared -Wl,-soname,$$SHLIB$$SHLIB_SOVER$$SHLIB_SUFFIX,-B,symbolic"; \
fi; \
$(LINK_SO_A)
link_app.irix:
@LDFLAGS="$(CFLAGS) $(LDFLAGS) -Wl,-rpath,$(LIBRPATH)"; \
$(LINK_APP)
# 32-bit PA-RISC HP-UX embeds the -L pathname of libs we link with, so
# we compensate for it with +cdp ../: and +cdp ./:. Yes, these rewrite
# rules imply that we can only link one level down in catalog structure,
# but that's what takes place for the moment of this writing. +cdp option
# was introduced in HP-UX 11.x and applies in 32-bit PA-RISC link
# editor context only [it's simply ignored in other cases, which are all
# ELFs by the way].
#
link_o.hpux:
@if $(DETECT_GNU_LD); then $(DO_GNU_SO); else \
$(CALC_VERSIONS); \
SHLIB=lib$(LIBNAME).sl; \
expr "$(CFLAGS)" : '.*DSO_DLFCN' > /dev/null && SHLIB=lib$(LIBNAME).so; \
SHLIB_SUFFIX=; \
ALLSYMSFLAGS='-Wl,-Fl'; \
NOALLSYMSFLAGS=''; \
expr $(PLATFORM) : 'hpux64' > /dev/null && ALLSYMSFLAGS='-Wl,+forceload'; \
SHAREDFLAGS="$(CFLAGS) $(SHARED_LDFLAGS) -Wl,-B,symbolic,+vnocompatwarnings,-z,+s,+h,$$SHLIB$$SHLIB_SOVER$$SHLIB_SUFFIX,+cdp,../:,+cdp,./:"; \
fi; \
rm -f $$SHLIB$$SHLIB_SOVER$$SHLIB_SUFFIX || :; \
$(LINK_SO_O) && chmod a=rx $$SHLIB$$SHLIB_SOVER$$SHLIB_SUFFIX
link_a.hpux:
@if $(DETECT_GNU_LD); then $(DO_GNU_SO); else \
$(CALC_VERSIONS); \
SHLIB=lib$(LIBNAME).sl; \
expr $(PLATFORM) : '.*ia64' > /dev/null && SHLIB=lib$(LIBNAME).so; \
SHLIB_SUFFIX=; \
ALLSYMSFLAGS='-Wl,-Fl'; \
NOALLSYMSFLAGS=''; \
expr $(PLATFORM) : 'hpux64' > /dev/null && ALLSYMSFLAGS='-Wl,+forceload'; \
SHAREDFLAGS="$(CFLAGS) $(SHARED_LDFLAGS) -Wl,-B,symbolic,+vnocompatwarnings,-z,+s,+h,$$SHLIB$$SHLIB_SOVER$$SHLIB_SUFFIX,+cdp,../:,+cdp,./:"; \
fi; \
rm -f $$SHLIB$$SHLIB_SOVER$$SHLIB_SUFFIX || :; \
$(LINK_SO_A) && chmod a=rx $$SHLIB$$SHLIB_SOVER$$SHLIB_SUFFIX
link_app.hpux:
@if $(DETECT_GNU_LD); then $(DO_GNU_APP); else \
LDFLAGS="$(CFLAGS) $(LDFLAGS) -Wl,+s,+cdp,../:,+cdp,./:,+b,$(LIBRPATH)"; \
fi; \
$(LINK_APP)
link_o.aix:
@ $(CALC_VERSIONS); \
OBJECT_MODE=`expr "x$(SHARED_LDFLAGS)" : 'x\-[a-z]*\(64\)'` || :; \
OBJECT_MODE=$${OBJECT_MODE:-32}; export OBJECT_MODE; \
SHLIB=lib$(LIBNAME).so; \
SHLIB_SUFFIX=; \
ALLSYMSFLAGS=''; \
NOALLSYMSFLAGS=''; \
SHAREDFLAGS='$(CFLAGS) $(SHARED_LDFLAGS) -Wl,-bexpall,-bnolibpath,-bM:SRE'; \
$(LINK_SO_O);
link_a.aix:
@ $(CALC_VERSIONS); \
OBJECT_MODE=`expr "x$(SHARED_LDFLAGS)" : 'x\-[a-z]*\(64\)'` || : ; \
OBJECT_MODE=$${OBJECT_MODE:-32}; export OBJECT_MODE; \
SHLIB=lib$(LIBNAME).so; \
SHLIB_SUFFIX=; \
ALLSYMSFLAGS='-bnogc'; \
NOALLSYMSFLAGS=''; \
SHAREDFLAGS='$(CFLAGS) $(SHARED_LDFLAGS) -Wl,-bexpall,-bnolibpath,-bM:SRE'; \
$(LINK_SO_A_VIA_O)
link_app.aix:
LDFLAGS="$(CFLAGS) $(LDFLAGS) -Wl,-brtl,-blibpath:$(LIBRPATH):$${LIBPATH:-/usr/lib:/lib}"; \
$(LINK_APP)
# Targets to build symbolic links when needed
symlink.gnu symlink.solaris symlink.svr3 symlink.svr5 symlink.irix \
symlink.aix:
@ $(CALC_VERSIONS); \
SHLIB=lib$(LIBNAME).so; \
$(SYMLINK_SO)
symlink.darwin:
@ $(CALC_VERSIONS); \
SHLIB=lib$(LIBNAME); \
SHLIB_SUFFIX=.dylib; \
$(SYMLINK_SO)
symlink.hpux:
@ $(CALC_VERSIONS); \
SHLIB=lib$(LIBNAME).sl; \
expr $(PLATFORM) : '.*ia64' > /dev/null && SHLIB=lib$(LIBNAME).so; \
$(SYMLINK_SO)
# The following lines means those specific architectures do no symlinks
symlink.cygwin symlink.alpha-osf1 symlink.tru64 symlink.tru64-rpath:
# Compatibility targets
link_o.bsd-gcc-shared link_o.linux-shared link_o.gnu-shared: link_o.gnu
link_a.bsd-gcc-shared link_a.gnu-shared: link_a.gnu
link_app.bsd-gcc-shared link_app.linux-shared link_app.gnu-shared: link_app.gnu
symlink.bsd-gcc-shared symlink.bsd-shared symlink.linux-shared symlink.gnu-shared: symlink.gnu
link_o.bsd-shared: link_o.bsd
link_a.bsd-shared: link_a.bsd
link_app.bsd-shared: link_app.bsd
link_o.darwin-shared: link_o.darwin
link_a.darwin-shared: link_a.darwin
link_app.darwin-shared: link_app.darwin
symlink.darwin-shared: symlink.darwin
link_o.cygwin-shared: link_o.cygwin
link_a.cygwin-shared: link_a.cygwin
link_app.cygwin-shared: link_app.cygwin
symlink.cygwin-shared: symlink.cygwin
link_o.alpha-osf1-shared: link_o.alpha-osf1
link_a.alpha-osf1-shared: link_a.alpha-osf1
link_app.alpha-osf1-shared: link_app.alpha-osf1
symlink.alpha-osf1-shared: symlink.alpha-osf1
link_o.tru64-shared: link_o.tru64
link_a.tru64-shared: link_a.tru64
link_app.tru64-shared: link_app.tru64
symlink.tru64-shared: symlink.tru64
link_o.tru64-shared-rpath: link_o.tru64-rpath
link_a.tru64-shared-rpath: link_a.tru64-rpath
link_app.tru64-shared-rpath: link_app.tru64-rpath
symlink.tru64-shared-rpath: symlink.tru64-rpath
link_o.solaris-shared: link_o.solaris
link_a.solaris-shared: link_a.solaris
link_app.solaris-shared: link_app.solaris
symlink.solaris-shared: symlink.solaris
link_o.svr3-shared: link_o.svr3
link_a.svr3-shared: link_a.svr3
link_app.svr3-shared: link_app.svr3
symlink.svr3-shared: symlink.svr3
link_o.svr5-shared: link_o.svr5
link_a.svr5-shared: link_a.svr5
link_app.svr5-shared: link_app.svr5
symlink.svr5-shared: symlink.svr5
link_o.irix-shared: link_o.irix
link_a.irix-shared: link_a.irix
link_app.irix-shared: link_app.irix
symlink.irix-shared: symlink.irix
link_o.hpux-shared: link_o.hpux
link_a.hpux-shared: link_a.hpux
link_app.hpux-shared: link_app.hpux
symlink.hpux-shared: symlink.hpux
link_o.aix-shared: link_o.aix
link_a.aix-shared: link_a.aix
link_app.aix-shared: link_app.aix
symlink.aix-shared: symlink.aix
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