3df36ee4c5
git-svn-id: svn://svn.h5l.se/heimdal/trunk/heimdal@5628 ec53bebd-3082-4978-b11e-865c3cabbd6b
183 lines
4.2 KiB
Plaintext
183 lines
4.2 KiB
Plaintext
dnl
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dnl Shared library stuff has to be different everywhere
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dnl
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AC_DEFUN(AC_SHARED_LIBS, [
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dnl Check if we want to use shared libraries
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AC_ARG_ENABLE(shared,
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[ --enable-shared create shared libraries for Kerberos])
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AC_SUBST(CFLAGS)dnl
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AC_SUBST(LDFLAGS)dnl
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case ${enable_shared} in
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yes ) enable_shared=yes;;
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no ) enable_shared=no;;
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* ) enable_shared=no;;
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esac
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# NOTE: Building shared libraries may not work if you do not use gcc!
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#
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# OS $SHLIBEXT
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# HP-UX sl
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# Linux so
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# NetBSD so
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# FreeBSD so
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# OSF so
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# SunOS5 so
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# SunOS4 so.0.5
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# Irix so
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#
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# LIBEXT is the extension we should build (.a or $SHLIBEXT)
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LINK='$(CC)'
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AC_SUBST(LINK)
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lib_deps=yes
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REAL_PICFLAGS="-fpic"
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LDSHARED='$(CC) $(PICFLAGS) -shared'
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LIBPREFIX=lib
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build_symlink_command=@true
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install_symlink_command=@true
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install_symlink_command2=@true
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REAL_SHLIBEXT=so
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changequote({,})dnl
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SHLIB_VERSION=`echo $VERSION | sed 's/\([0-9.]*\).*/\1/'`
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SHLIB_SONAME=`echo $VERSION | sed 's/\([0-9]*\).*/\1/'`
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changequote([,])dnl
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case "${host}" in
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*-*-hpux*)
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REAL_SHLIBEXT=sl
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REAL_LD_FLAGS='-Wl,+b$(libdir)'
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if test -z "$GCC"; then
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LDSHARED="ld -b"
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REAL_PICFLAGS="+z"
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fi
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;;
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*-*-linux*)
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LDSHARED='$(CC) -shared -Wl,-soname,$(LIBNAME).so.'"${SHLIB_SONAME}"
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REAL_LD_FLAGS='-Wl,-rpath,$(libdir)'
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REAL_SHLIBEXT=so.$SHLIB_VERSION
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build_symlink_command='$(LN_S) -f $@ $(LIBNAME).so'
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install_symlink_command='$(LN_S) -f $(LIB) $(DESTDIR)$(libdir)/$(LIBNAME).so.'"${SHLIB_SONAME}"';$(LN_S) -f $(LIB) $(DESTDIR)$(libdir)/$(LIBNAME).so'
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install_symlink_command2='$(LN_S) -f $(LIB2) $(DESTDIR)$(libdir)/$(LIBNAME2).so.'"${SHLIB_SONAME}"';$(LN_S) -f $(LIB2) $(DESTDIR)$(libdir)/$(LIBNAME2).so'
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;;
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*-*-freebsd3*)
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REAL_SHLIBEXT=so.$SHLIB_VERSION
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LDSHARED='ld -Bshareable'
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REAL_LD_FLAGS='-Wl,-R$(libdir)'
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build_symlink_command='$(LN_S) -f $@ $(LIBNAME).so'
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install_symlink_command='$(LN_S) -f $(LIB) $(DESTDIR)$(libdir)/$(LIBNAME).so'
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;;
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*-*-*bsd*)
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REAL_SHLIBEXT=so.$SHLIB_VERSION
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LDSHARED='ld -Bshareable'
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REAL_LD_FLAGS='-Wl,-R$(libdir)'
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;;
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*-*-osf*)
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REAL_LD_FLAGS='-Wl,-rpath,$(libdir)'
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REAL_PICFLAGS=
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LDSHARED='ld -shared -expect_unresolved \*'
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;;
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*-*-solaris2*)
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REAL_LD_FLAGS='-Wl,-R$(libdir)'
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if test -z "$GCC"; then
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LDSHARED='$(CC) -G'
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REAL_PICFLAGS="-Kpic"
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fi
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;;
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*-fujitsu-uxpv*)
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REAL_LD_FLAGS='' # really: LD_RUN_PATH=$(libdir) cc -o ...
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REAL_LINK='LD_RUN_PATH=$(libdir) $(CC)'
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LDSHARED='$(CC) -G'
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REAL_PICFLAGS="-Kpic"
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lib_deps=no # fails in mysterious ways
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;;
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*-*-sunos*)
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REAL_SHLIBEXT=so.$SHLIB_VERSION
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REAL_LD_FLAGS='-Wl,-L$(libdir)'
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lib_deps=no
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;;
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*-*-irix*)
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libdir="${libdir}${abilibdirext}"
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REAL_LD_FLAGS="${abi} -Wl,-rpath,\$(libdir)"
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LD_FLAGS="${abi} -Wl,-rpath,\$(libdir)"
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LDSHARED="\$(CC) -shared ${abi}"
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REAL_PICFLAGS=
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CFLAGS="${abi} ${CFLAGS}"
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;;
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*-*-os2*)
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LIBPREFIX=
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EXECSUFFIX='.exe'
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RANLIB=EMXOMF
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LD_FLAGS=-Zcrtdll
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REAL_SHLIBEXT=nobuild
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;;
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*-*-cygwin32*)
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EXECSUFFIX='.exe'
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REAL_SHLIBEXT=nobuild
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;;
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*) REAL_SHLIBEXT=nobuild
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REAL_PICFLAGS=
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;;
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esac
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if test "${enable_shared}" != "yes" ; then
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PICFLAGS=""
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SHLIBEXT="nobuild"
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LIBEXT="a"
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build_symlink_command=@true
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install_symlink_command=@true
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install_symlink_command2=@true
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else
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PICFLAGS="$REAL_PICFLAGS"
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SHLIBEXT="$REAL_SHLIBEXT"
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LIBEXT="$SHLIBEXT"
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AC_MSG_CHECKING(whether to use -rpath)
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case "$libdir" in
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/lib | /usr/lib | /usr/local/lib)
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AC_MSG_RESULT(no)
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REAL_LD_FLAGS=
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LD_FLAGS=
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;;
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*)
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LD_FLAGS="$REAL_LD_FLAGS"
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test "$REAL_LINK" && LINK="$REAL_LINK"
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AC_MSG_RESULT($LD_FLAGS)
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;;
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esac
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fi
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if test "$lib_deps" = yes; then
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lib_deps_yes=""
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lib_deps_no="# "
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else
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lib_deps_yes="# "
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lib_deps_no=""
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fi
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AC_SUBST(lib_deps_yes)
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AC_SUBST(lib_deps_no)
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# use supplied ld-flags, or none if `no'
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if test "$with_ld_flags" = no; then
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LD_FLAGS=
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elif test -n "$with_ld_flags"; then
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LD_FLAGS="$with_ld_flags"
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fi
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AC_SUBST(REAL_PICFLAGS) dnl
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AC_SUBST(REAL_SHLIBEXT) dnl
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AC_SUBST(REAL_LD_FLAGS) dnl
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AC_SUBST(PICFLAGS) dnl
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AC_SUBST(SHLIBEXT) dnl
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AC_SUBST(LDSHARED) dnl
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AC_SUBST(LD_FLAGS) dnl
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AC_SUBST(LIBEXT) dnl
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AC_SUBST(LIBPREFIX) dnl
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AC_SUBST(EXECSUFFIX) dnl
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AC_SUBST(build_symlink_command)dnl
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AC_SUBST(install_symlink_command)dnl
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AC_SUBST(install_symlink_command2)dnl
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])
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