1 files changed, 551 insertions, 0 deletions
diff --git a/src/config/shlib.conf b/src/config/shlib.conf
new file mode 100644
index 000000000000..3e4af6c02ed4
--- /dev/null
+++ b/src/config/shlib.conf
@@ -0,0 +1,551 @@
+# This shell script fragment should set a bunch of variables:
+#
+# CC_LINK_STATIC: How to link a program if we're only building static
+#  libraries for krb5 (but may use other shared libs, and there may
+#  be a shared krb5 lib already installed that we shouldn't use).
+# CC_LINK_SHARED: How to link a program if we're building shared
+#  libraries.
+# CXX_LINK_STATIC, CXX_LINK_SHARED: Variants for C++.
+# STLIBEXT: Static library extension.
+# SHLIBEXT: Shared library extension.
+# SHLIBVEXT: Shared library extension, with major version.
+# SHLIBSEXT: Shared library extension, with full version.
+# (... finish documenting these ...)
+
+#
+# Set up some defaults.
+#
+STLIBEXT=.a
+# Default to being unable to build shared libraries.
+SHLIBEXT=.so-nobuild
+SHLIBVEXT=.so.v-nobuild
+SHLIBSEXT=.so.s-nobuild
+# Most systems support profiled libraries.
+PFLIBEXT=_p.a
+# Most systems install shared libs as mode 644, etc. while hpux wants 755
+INSTALL_SHLIB='$(INSTALL_DATA)'
+# Most systems use the same objects for shared libraries and dynamically
+# loadable objects.
+DYNOBJEXT='$(SHLIBEXT)'
+MAKE_DYNOBJ_COMMAND='$(MAKE_SHLIB_COMMAND)'
+DYNOBJ_EXPDEPS='$(SHLIB_EXPDEPS)'
+DYNOBJ_EXPFLAGS='$(SHLIB_EXPFLAGS)'
+#
+use_linker_init_option=no
+use_linker_fini_option=no
+
+STOBJEXT=.o
+SHOBJEXT=.so
+PFOBJEXT=.po
+# Default for systems w/o shared libraries
+CC_LINK_STATIC='$(CC) $(PROG_LIBPATH) $(CFLAGS) $(LDFLAGS)'
+CXX_LINK_STATIC='$(CXX) $(PROG_LIBPATH) $(CXXFLAGS) $(LDFLAGS)'
+#
+SHLIB_EXPORT_FILE_DEP='$(SHLIB_EXPORT_FILE)'
+# This will do for most platforms, and we'll substitute for
+# LDCOMBINE, SHLIB_EXPFLAGS, and LDCOMBINE_TAIL below.
+MAKE_SHLIB_COMMAND=x
+INIT_FINI_PREP=:
+
+# Default to static or shared libraries?
+default_static=no
+default_shared=yes
+
+# Set up architecture-specific variables.
+case $krb5_cv_host in
+alpha*-dec-osf*)
+	SHLIBVEXT='.so.$(LIBMAJOR).$(LIBMINOR)'
+	SHLIBSEXT='.so.$(LIBMAJOR)'
+	SHLIBEXT=.so
+	# Alpha OSF/1 doesn't need separate PIC objects
+	SHOBJEXT=.o
+	INIT_FINI_PREP=initfini=
+	LDCOMBINE='$(CC) $(CFLAGS) $(PTHREAD_CFLAGS) -shared -Wl,-expect_unresolved -Wl,\* -Wl,-update_registry -Wl,$(BUILDTOP)/so_locations -Wl,-soname -Wl,$(LIBPREFIX)$(LIBBASE)$(SHLIBSEXT) -Wl,-hidden -Wl,-input,osf1.exports $$initfini'
+	SHLIB_EXPORT_FILE_DEP=osf1.exports
+	use_linker_init_option=yes
+	use_linker_fini_option=yes
+	EXTRA_FILES="$EXTRA_FILES export"
+	SHLIB_RPATH_FLAGS='-rpath $(SHLIB_RDIRS)'
+	SHLIB_EXPFLAGS='$(SHLIB_RPATH_FLAGS) $(SHLIB_DIRS) $(SHLIB_EXPLIBS)'
+	PROFFLAGS=-pg
+	RPATH_FLAG='-Wl,-rpath -Wl,'
+	PROG_RPATH_FLAGS='$(RPATH_FLAG)$(PROG_RPATH)'
+	CC_LINK_SHARED='$(CC) $(PROG_LIBPATH) $(PROG_RPATH_FLAGS) $(CFLAGS) $(PTHREAD_CFLAGS) $(LDFLAGS)'
+	CXX_LINK_SHARED='$(CXX) $(PROG_LIBPATH) $(PROG_RPATH_FLAGS) $(CXXFLAGS) $(PTHREAD_CFLAGS) $(LDFLAGS)'
+	if test "$ac_cv_c_compiler_gnu" = yes \
+		&& test "$krb5_cv_prog_gnu_ld" = yes; then
+		# Really should check for gnu ld vs system ld, too.
+		CC_LINK_STATIC='$(CC) $(PROG_LIBPATH) $(CFLAGS) $(PTHREAD_CFLAGS) $(LDFLAGS)'
+	else
+		# Need -oldstyle_liblookup to avoid picking up shared libs from
+		# other builds.  OSF/1 / Tru64 ld programs look through the entire
+		# library path for shared libs prior to looking through the
+		# entire library path for static libs.
+		CC_LINK_STATIC='$(CC) $(PROG_LIBPATH) -Wl,-oldstyle_liblookup $(CFLAGS) $(PTHREAD_CFLAGS) $(LDFLAGS)'
+	fi
+	if test "$ac_cv_cxx_compiler_gnu" = yes \
+		&& test "$krb5_cv_prog_gnu_ld" = yes; then
+		# Really should check for gnu ld vs system ld, too.
+		CXX_LINK_STATIC='$(CXX) $(PROG_LIBPATH) $(CXXFLAGS) $(PTHREAD_CFLAGS) $(LDFLAGS)'
+	else
+		# Need -oldstyle_liblookup to avoid picking up shared libs from
+		# other builds.  OSF/1 / Tru64 ld programs look through the entire
+		# library path for shared libs prior to looking through the
+		# entire library path for static libs.
+		CXX_LINK_STATIC='$(CXX) $(PROG_LIBPATH) -Wl,-oldstyle_liblookup $(CXXFLAGS) $(PTHREAD_CFLAGS) $(LDFLAGS)'
+	fi
+	# _RLD_ROOT hack needed to repoint "root" directory for purposes
+	# of searching for shared libs, since RPATHs take precedence over
+	# LD_LIBRARY_PATH.
+	RUN_ENV='LD_LIBRARY_PATH=`echo $(PROG_LIBPATH) | sed -e "s/-L//g" -e "s/ /:/g"`$${LD_LIBRARY_PATH+:$$LD_LIBRARY_PATH} _RLD_ROOT=$${_RLD_ROOT+$$_RLD_ROOT}$${_RLD_ROOT-/}'
+	RUN_VARS='LD_LIBRARY_PATH _RLD_ROOT'
+	;;
+
+# Note: "-Wl,+s" when building executables enables the use of the
+# SHLIB_PATH environment variable for finding shared libraries 
+# in non-standard directories.  If a non-standard search-path for
+#  shared libraries is compiled into the executable (using 
+# -Wl,+b,$KRB5_SHLIBDIR), then the order of "-Wl,+b,..." and "-Wl,+s" 
+# on the commandline of the linker will determine which path
+# (compiled-in or SHLIB_PATH) will be searched first.
+#
+# +I initproc routine gets called at load and unload time for
+#    shl_load calls, but appears to never be called for link-time
+#    specified libraries.
+# +e sym exports symbol and supposedly prevents other symbols
+#    from being exported, according to the man page, but the
+#    latter bit doesn't actually seem to work
+# -O +dpv should display any routines eliminated as unused, but -b
+#	  apparently turns that off
+*-*-hpux*)
+	INSTALL_SHLIB='$(INSTALL)'
+	case $host_cpu in
+	hppa*)
+		SHLIBEXT=.sl
+		;;
+	ia64*)
+		SHLIBEXT=.so
+		;;
+	esac
+	SHLIBVEXT='.$(LIBMAJOR).$(LIBMINOR)'
+	SHLIBSEXT='.$(LIBMAJOR)'
+	RPATH_FLAG='-Wl,+b,'
+	if test "$ac_cv_c_compiler_gnu" = yes; then
+		PICFLAGS=-fPIC
+		SHLIB_RPATH_FLAGS='-Wl,+b,$(SHLIB_RDIRS)'
+		SHLIB_EXPFLAGS='-Wl,+s $(SHLIB_RPATH_FLAGS) $(SHLIB_DIRS) $(SHLIB_EXPLIBS)'
+		LDCOMBINE='gcc -fPIC -shared -Wl,+h,$(LIBPREFIX)$(LIBBASE)$(SHLIBSEXT) -Wl,-c,hpux.exports'
+	else
+		PICFLAGS=+z
+		SHLIB_RPATH_FLAGS='+b $(SHLIB_RDIRS)'
+		SHLIB_EXPFLAGS='$(SHLIB_RPATH_FLAGS) $(SHLIB_DIRS) $(SHLIB_EXPLIBS)'
+		LDCOMBINE='ld -b +h $(LIBPREFIX)$(LIBBASE)$(SHLIBSEXT) -c hpux.exports'
+	fi
+	MAKE_SHLIB_COMMAND="${LDCOMBINE} -o \$@ \$\$objlist \$(LDFLAGS) \$(SHLIB_EXPFLAGS) ${LDCOMBINE_TAIL}"
+	PROG_RPATH_FLAGS='$(RPATH_FLAG)$(PROG_RPATH)'
+	CC_LINK_SHARED='$(CC) $(PROG_LIBPATH) $(PROG_RPATH_FLAGS) $(CFLAGS) $(LDFLAGS)'
+	CC_LINK_STATIC='$(CC) $(PROG_LIBPATH) $(CFLAGS) $(LDFLAGS)'
+	CXX_LINK_SHARED='$(CXX) $(PROG_LIBPATH) $(PROG_RPATH_FLAGS) $(CXXFLAGS) $(LDFLAGS)'
+	CXX_LINK_STATIC='$(CXX) $(PROG_LIBPATH) $(CXXFLAGS) $(LDFLAGS)'
+	RUN_ENV='SHLIB_PATH=`echo $(PROG_LIBPATH) | sed -e "s/-L//g" -e "s/ /:/g"`'
+	RUN_VARS='SHLIB_PATH'
+	SHLIB_EXPORT_FILE_DEP=hpux.exports
+	# Do *not* set use_linker_init_option=yes here, because in the
+	# case where the library is specified at program link time, the
+	# initialization function appears not to get called, only for
+	# shl_load.  But for finalization functions, the shl_load case
+	# is the one we care about.
+	#
+	# Not setting use_linker_init_option here should cause compilation
+	# failures if the user tries to disable delayed initialization.
+	use_linker_fini_option=yes
+	;;
+
+mips-sgi-irix6.3)	# This is a Kludge; see below
+	SHLIBVEXT='.so.$(LIBMAJOR).$(LIBMINOR)'
+	SHLIBSEXT='.so.$(LIBMAJOR)'
+	SHLIBEXT=.so
+	SHOBJEXT=.o
+	# Kludge follows: (gcc makes n32 object files but ld expects o32, so we reeducate ld)
+	if test "$ac_cv_c_compiler_gnu" = yes; then
+		LDCOMBINE='ld -n32 -shared -ignore_unresolved -update_registry $(BUILDTOP)/so_locations -soname $(LIBPREFIX)$(LIBBASE)$(SHLIBSEXT)'
+	else
+		LDCOMBINE='ld -shared -ignore_unresolved -update_registry $(BUILDTOP)/so_locations -soname $(LIBPREFIX)$(LIBBASE)$(SHLIBSEXT)'
+	fi
+	SHLIB_RPATH_FLAGS='-rpath $(SHLIB_RDIRS)'
+	SHLIB_EXPFLAGS='$(SHLIB_RPATH_FLAGS) $(SHLIB_DIRS) $(SHLIB_EXPLIBS)'
+	# no gprof for Irix...
+	PROFFLAGS=-p
+	RPATH_FLAG='-Wl,-rpath -Wl,'
+	PROG_RPATH_FLAGS='$(RPATH_FLAG)$(PROG_RPATH)'
+	CC_LINK_SHARED='$(CC) $(PROG_LIBPATH) $(PROG_RPATH_FLAGS) $(CFLAGS) $(LDFLAGS)'
+	CC_LINK_STATIC='$(CC) $(PROG_LIBPATH) $(CFLAGS) $(LDFLAGS)'
+	CXX_LINK_SHARED='$(CXX) $(PROG_LIBPATH) $(PROG_RPATH_FLAGS) $(CXXFLAGS) $(LDFLAGS)'
+	CXX_LINK_STATIC='$(CXX) $(PROG_LIBPATH) $(CXXFLAGS) $(LDFLAGS)'
+	# This grossness is necessary due to the presence of *three*
+	# supported ABIs on Irix, and the precedence of the rpath over
+	# LD_LIBRARY*_PATH.  Like OSF/1, _RLD*_ROOT needs to be set to
+	# work around this lossage.
+	#
+	# Set the N32 and 64 variables first because the unqualified
+	# variables affect all three and can cause the sed command to fail.
+	#
+	# This loop is to reduce the clutter a slight bit.
+	add='`echo $(PROG_LIBPATH) | sed -e "s/-L//g" -e "s/ /:/g"`'
+	RUN_ENV=
+	for i in N32 64 ''; do
+		RUN_ENV="${RUN_ENV+$RUN_ENV }LD_LIBRARY${i}_PATH=$add\$\${LD_LIBRARY${i}_PATH+:\$\$LD_LIBRARY${i}_PATH}"
+		RUN_ENV="${RUN_ENV} _RLD${i}_ROOT=\$\${_RLD${i}_ROOT+\$\${_RLD${i}_ROOT}}\$\${_RLD${i}_ROOT-/}"
+		RUN_VARS="$RUN_VARS LD_LIBRARY${i}_PATH _RLD${i}_ROOT"
+	done
+	;;
+
+mips-sgi-irix*)
+	SHLIBVEXT='.so.$(LIBMAJOR).$(LIBMINOR)'
+	SHLIBSEXT='.so.$(LIBMAJOR)'
+	SHLIBEXT=.so
+	SHOBJEXT=.o
+	if test "$ac_cv_c_compiler_gnu" = yes; then
+		LDCOMBINE_TAIL=""
+		INIT_FINI_PREP="initfini="
+	else
+		use_linker_init_option=yes
+		use_linker_fini_option=yes
+		INIT_FINI_PREP='initfini=; for f in . $(LIBINITFUNC); do if test $$f = .; then :; else initfini="$$initfini -Wl,-init,$${f}__auxinit"; fi; done; for f in . $(LIBFINIFUNC); do if test $$f = .; then :; else initfini="$$initfini -Wl,-fini,$${f}"; fi; done'
+		LDCOMBINE_TAIL='-Wl,-exports_file -Wl,$(SHLIB_EXPORT_FILE)'
+	fi
+	opts='-Wl,-ignore_unresolved -Wl,-update_registry -Wl,$(BUILDTOP)/so_locations'
+
+	if test "$ac_cv_c_compiler_gnu" = yes \
+		&& test "$krb5_cv_prog_gnu_ld" = yes; then
+		opts=''
+	fi
+	LDCOMBINE='$(CC) -shared '$opts' -Wl,-soname -Wl,$(LIBPREFIX)$(LIBBASE)$(SHLIBSEXT) $$initfini'
+	SHLIB_RPATH_FLAGS='-rpath $(SHLIB_RDIRS)'
+	SHLIB_EXPFLAGS='$(SHLIB_RPATH_FLAGS) $(SHLIB_DIRS) $(SHLIB_EXPLIBS)'
+	# no gprof for Irix...
+	PROFFLAGS=-p
+	RPATH_FLAG='-Wl,-rpath -Wl,'
+	PROG_RPATH_FLAGS='$(RPATH_FLAG)$(PROG_RPATH)'
+	CC_LINK_SHARED='$(CC) $(PROG_LIBPATH) $(PROG_RPATH_FLAGS) $(CFLAGS) $(LDFLAGS)'
+	CC_LINK_STATIC='$(CC) $(PROG_LIBPATH) $(CFLAGS) $(LDFLAGS)'
+	CXX_LINK_SHARED='$(CXX) $(PROG_LIBPATH) $(PROG_RPATH_FLAGS) $(CXXFLAGS) $(LDFLAGS)'
+	CXX_LINK_STATIC='$(CXX) $(PROG_LIBPATH) $(CXXFLAGS) $(LDFLAGS)'
+	# This grossness is necessary due to the presence of *three*
+	# supported ABIs on Irix, and the precedence of the rpath over
+	# LD_LIBRARY*_PATH.  Like OSF/1, _RLD*_ROOT needs to be set to
+	# work around this lossage.
+	#
+	# Set the N32 and 64 variables first because the unqualified
+	# variables affect all three and can cause the sed command to fail.
+	#
+	# This loop is to reduce the clutter a slight bit.
+	add='`echo $(PROG_LIBPATH) | sed -e "s/-L//g" -e "s/ /:/g"`'
+	RUN_ENV=
+	for i in N32 64 ''; do
+		RUN_ENV="${RUN_ENV+$RUN_ENV }LD_LIBRARY${i}_PATH=$add\$\${LD_LIBRARY${i}_PATH+:\$\$LD_LIBRARY${i}_PATH}"
+		RUN_ENV="${RUN_ENV} _RLD${i}_ROOT=\$\${_RLD${i}_ROOT+\$\${_RLD${i}_ROOT}}\$\${_RLD${i}_ROOT-/}"
+		RUN_VARS="$RUN_VARS LD_LIBRARY${i}_PATH _RLD${i}_ROOT"
+	done
+	;;
+
+# untested...
+mips-sni-sysv4)
+	if test "$ac_cv_c_compiler_gnu" = yes; then
+		PICFLAGS=-fpic
+		LDCOMBINE='$(CC) -G -Wl,-h -Wl,$(LIBPREFIX)$(LIBBASE)$(SHLIBSEXT)'
+	else
+		PICFLAGS=-Kpic
+		LDCOMBINE='$(CC) -G -h $(LIBPREFIX)$(LIBBASE)$(SHLIBSEXT)'
+	fi
+	SHLIB_RPATH_FLAGS='-R$(SHLIB_RDIRS)'
+	SHLIB_EXPFLAGS='$(SHLIB_RPATH_FLAGS) $(SHLIB_DIRS) $(SHLIB_EXPLIBS)'
+	SHLIBEXT=.so
+	SHLIBVEXT='.so.$(LIBMAJOR).$(LIBMINOR)'
+	SHLIBSEXT='.so.$(LIBMAJOR)'
+	RPATH_FLAG=-R
+	PROG_RPATH_FLAGS='$(RPATH_FLAG)$(PROG_RPATH)'
+	CC_LINK_SHARED='$(CC) $(PROG_LIBPATH) $(PROG_RPATH_FLAGS) $(CFLAGS) $(LDFLAGS)'
+	CC_LINK_STATIC='$(CC) $(PROG_LIBPATH) $(CFLAGS) $(LDFLAGS)'
+	CXX_LINK_SHARED='$(CXX) $(PROG_LIBPATH) $(PROG_RPATH_FLAGS) $(CXXFLAGS) $(LDFLAGS)'
+	CXX_LINK_STATIC='$(CXX) $(PROG_LIBPATH) $(CXXFLAGS) $(LDFLAGS)'
+	RUN_ENV='LD_LIBRARY_PATH=`echo $(PROG_LIBPATH) | sed -e "s/-L//g" -e "s/ /:/g"`'
+	RUN_VARS='LD_LIBRARY_PATH'
+	PROFFLAGS=-pg
+	;;
+
+mips-*-netbsd*)
+	PICFLAGS=-fPIC
+	SHLIBVEXT='.so.$(LIBMAJOR).$(LIBMINOR)'
+	SHLIBSEXT='.so.$(LIBMAJOR)'
+	SHLIBEXT=.so
+	LDCOMBINE='ld -shared -soname $(LIBPREFIX)$(LIBBASE)$(SHLIBSEXT)'
+	SHLIB_RPATH_FLAGS='-R$(SHLIB_RDIRS)'
+	SHLIB_EXPFLAGS='$(SHLIB_RPATH_FLAGS) $(SHLIB_DIRS) $(SHLIB_EXPLIBS)'
+	RPATH_FLAG='-Wl,-rpath -Wl,'
+	PROG_RPATH_FLAGS='$(RPATH_FLAG)$(PROG_RPATH)'
+	CC_LINK_SHARED='$(CC) $(PROG_LIBPATH) $(PROG_RPATH_FLAGS) $(CFLAGS) $(LDFLAGS)'
+	CC_LINK_STATIC='$(CC) $(PROG_LIBPATH) $(CFLAGS) $(LDFLAGS)'
+	CXX_LINK_SHARED='$(CXX) $(PROG_LIBPATH) $(PROG_RPATH_FLAGS) $(CXXFLAGS) $(LDFLAGS)'
+	CXX_LINK_STATIC='$(CXX) $(PROG_LIBPATH) $(CXXFLAGS) $(LDFLAGS)'
+	RUN_ENV='LD_LIBRARY_PATH=`echo $(PROG_LIBPATH) | sed -e "s/-L//g" -e "s/ /:/g"`'
+	RUN_VARS='LD_LIBRARY_PATH'
+	PROFFLAGS=-pg
+	;;
+
+*-*-netbsd*)
+	PICFLAGS=-fPIC
+	SHLIBVEXT='.so.$(LIBMAJOR).$(LIBMINOR)'
+	SHLIBEXT=.so
+	LDCOMBINE='$(CC) -shared'
+	SHLIB_RPATH_FLAGS='-R$(SHLIB_RDIRS)'
+	SHLIB_EXPFLAGS='$(SHLIB_RPATH_FLAGS) $(SHLIB_DIRS) $(SHLIB_EXPLIBS)'
+	RPATH_FLAG=-R
+	PROG_RPATH_FLAGS='$(RPATH_FLAG)$(PROG_RPATH)'
+	CC_LINK_SHARED='$(CC) $(PROG_LIBPATH) $(PROG_RPATH_FLAGS) $(CFLAGS) $(LDFLAGS)'
+	CC_LINK_STATIC='$(CC) $(PROG_LIBPATH) $(CFLAGS) $(LDFLAGS)'
+	CXX_LINK_SHARED='$(CXX) $(PROG_LIBPATH) $(PROG_RPATH_FLAGS) $(CXXFLAGS) $(LDFLAGS)'
+	CXX_LINK_STATIC='$(CXX) $(PROG_LIBPATH) $(CXXFLAGS) $(LDFLAGS)'
+	RUN_ENV='LD_LIBRARY_PATH=`echo $(PROG_LIBPATH) | sed -e "s/-L//g" -e "s/ /:/g"`'
+	RUN_VARS='LD_LIBRARY_PATH'
+	PROFFLAGS=-pg
+	;;
+
+*-*-freebsd*)
+	case $krb5_cv_host in
+		sparc64-*)
+			PICFLAGS=-fPIC
+			;;
+		*)
+			PICFLAGS=-fpic
+			;;
+	esac
+	SHLIBVEXT='.so.$(LIBMAJOR)'
+	RPATH_FLAG='-Wl,--enable-new-dtags -Wl,-rpath -Wl,'
+	PROG_RPATH_FLAGS='$(RPATH_FLAG)$(PROG_RPATH)'
+	CC_LINK_SHARED='$(CC) $(PROG_LIBPATH) $(PROG_RPATH_FLAGS) $(CFLAGS) $(LDFLAGS)'
+	CXX_LINK_SHARED='$(CXX) $(PROG_LIBPATH) $(PROG_RPATH_FLAGS) $(CXXFLAGS) $(LDFLAGS)'
+	SHLIBEXT=.so
+	LDCOMBINE='ld -Bshareable'
+	SHLIB_RPATH_FLAGS='--enable-new-dtags -rpath $(SHLIB_RDIRS)'
+	SHLIB_EXPFLAGS='$(SHLIB_RPATH_FLAGS) $(SHLIB_DIRS) $(SHLIB_EXPLIBS)'
+	CC_LINK_STATIC='$(CC) $(PROG_LIBPATH) $(CFLAGS) $(LDFLAGS)'
+	CXX_LINK_STATIC='$(CXX) $(PROG_LIBPATH) $(CXXFLAGS) $(LDFLAGS)'
+	RUN_ENV='LD_LIBRARY_PATH=`echo $(PROG_LIBPATH) | sed -e "s/-L//g" -e "s/ /:/g"`'
+	RUN_VARS='LD_LIBRARY_PATH'
+	PROFFLAGS=-pg
+	;;
+
+*-*-openbsd*)
+	PICFLAGS=-fpic
+	SHLIBVEXT='.so.$(LIBMAJOR).$(LIBMINOR)'
+	SHLIBEXT=.so
+	LDCOMBINE='ld -Bshareable'
+	SHLIB_RPATH_FLAGS='-R$(SHLIB_RDIRS)'
+	SHLIB_EXPFLAGS='$(SHLIB_RPATH_FLAGS) $(SHLIB_DIRS) $(SHLIB_EXPLIBS)'
+	RPATH_FLAG=-R
+	PROG_RPATH_FLAGS='$(RPATH_FLAG)$(PROG_RPATH)'
+	CC_LINK_SHARED='$(CC) $(PROG_LIBPATH) $(PROG_RPATH_FLAGS) $(CFLAGS) $(LDFLAGS)'
+	CC_LINK_STATIC='$(CC) $(PROG_LIBPATH) $(CFLAGS) $(LDFLAGS)'
+	CXX_LINK_SHARED='$(CXX) $(PROG_LIBPATH) $(PROG_RPATH_FLAGS) $(CXXFLAGS) $(LDFLAGS)'
+	CXX_LINK_STATIC='$(CXX) $(PROG_LIBPATH) $(CXXFLAGS) $(LDFLAGS)'
+	RUN_ENV='LD_LIBRARY_PATH=`echo $(PROG_LIBPATH) | sed -e "s/-L//g" -e "s/ /:/g"`'
+	RUN_VARS='LD_LIBRARY_PATH'
+	PROFFLAGS=-pg
+	;;
+
+*-*-darwin* | *-*-rhapsody*)
+	SHLIBVEXT='.$(LIBMAJOR).$(LIBMINOR).dylib'
+	SHLIBSEXT='.$(LIBMAJOR).dylib'
+	SHLIB_EXPFLAGS='$(SHLIB_DIRS) $(SHLIB_EXPLIBS)'
+	SHLIBEXT=.dylib
+	DYNOBJEXT=.so
+	SHLIB_EXPORT_FILE_DEP=darwin.exports
+	LDCOMBINE='$(CC) -undefined error -dead_strip -dynamiclib -compatibility_version $(LIBMAJOR) -current_version $(LIBMAJOR).$(LIBMINOR) -install_name "$(KRB5_LIBDIR)/$(LIBPREFIX)$(LIBBASE)$(SHLIBVEXT)" -exported_symbols_list darwin.exports $(CFLAGS)'
+	# The -dylib_file option tells the linker where to find indirect dependent
+	# libraries, without adding them to the dependency list.  We need this because
+	# the direct dependent libraries contain the pathname where the indirect
+	# dependent libraries will be installed (but haven't been yet).
+	LDCOMBINE_TAIL=""
+	for lib in libkrb5support.1.1.dylib libkadm5srv.5.1.dylib libkdb5.4.0.dylib; do
+	    LDCOMBINE_TAIL="$LDCOMBINE_TAIL -dylib_file \"\$(KRB5_LIBDIR)/$lib\":\$(TOPLIBD)/$lib"
+	done
+	MAKE_DYNOBJ_COMMAND='$(CC) -bundle $(CFLAGS) $(LDFLAGS) -o $@ $$objlist $(DYNOBJ_EXPFLAGS) $(LDFLAGS) -exported_symbols_list darwin.exports'" ${LDCOMBINE_TAIL}"
+	CC_LINK_SHARED='$(CC) $(PROG_LIBPATH) -dynamic $(CFLAGS) $(LDFLAGS)'
+	CC_LINK_STATIC='$(CC) $(PROG_LIBPATH) $(CFLAGS) $(LDFLAGS)'
+	CXX_LINK_SHARED='$(CXX) $(PROG_LIBPATH) -dynamic $(CXXFLAGS) $(LDFLAGS)'
+	CXX_LINK_STATIC='$(CXX) $(PROG_LIBPATH) $(CXXFLAGS) $(LDFLAGS)'
+	RUN_ENV='DYLD_LIBRARY_PATH=`echo $(PROG_LIBPATH) | sed -e "s/-L//g" -e "s/ /:/g"`'
+	RUN_VARS='DYLD_LIBRARY_PATH'
+	;;
+
+*-*-solaris*)
+	if test "$ac_cv_c_compiler_gnu" = yes; then
+		PICFLAGS=-fPIC
+		LDCOMBINE='$(CC) $(CFLAGS) -shared -h $(LIBPREFIX)$(LIBBASE)$(SHLIBSEXT)'
+	else
+		PICFLAGS=-KPIC
+		# Solaris cc doesn't default to stuffing the SONAME field...
+		LDCOMBINE='$(CC) $(CFLAGS) -dy -G -z text -h $(LIBPREFIX)$(LIBBASE)$(SHLIBSEXT) $$initfini'
+		#
+		case $krb5_cv_host in
+		*-*-solaris2.[1-7] | *-*-solaris2.[1-7].*)
+		    # Did Solaris 7 and earlier have a linker option for this?
+		    ;;
+		*)
+		    INIT_FINI_PREP='initfini=; for f in . $(LIBINITFUNC); do if test $$f = .; then :; else initfini="$$initfini -Wl,-z,initarray=$${f}__auxinit"; fi; done; for f in . $(LIBFINIFUNC); do if test $$f = .; then :; else initfini="$$initfini -Wl,-z,finiarray=$$f"; fi; done'
+		    use_linker_init_option=yes
+		    use_linker_fini_option=yes
+		    ;;
+		esac
+	fi
+	SHLIBVEXT='.so.$(LIBMAJOR).$(LIBMINOR)'
+	SHLIBSEXT='.so.$(LIBMAJOR)'
+	SHLIBEXT=.so
+	SHLIB_RPATH_FLAGS='-R$(SHLIB_RDIRS)'
+	SHLIB_EXPFLAGS='$(SHLIB_RPATH_FLAGS) $(SHLIB_DIRS) $(SHLIB_EXPLIBS)'
+	PROFFLAGS=-pg
+	RPATH_FLAG=-R
+	PROG_RPATH_FLAGS='$(RPATH_FLAG)$(PROG_RPATH)'
+	CC_LINK_SHARED='$(PURE) $(CC) $(PROG_LIBPATH) $(PROG_RPATH_FLAGS) $(CFLAGS) $(LDFLAGS)'
+	CC_LINK_STATIC='$(PURE) $(CC) $(PROG_LIBPATH) $(CFLAGS) $(LDFLAGS)'
+	CXX_LINK_SHARED='$(PURE) $(CXX) $(PROG_LIBPATH) $(PROG_RPATH_FLAGS) $(CXXFLAGS) $(LDFLAGS)'
+	CXX_LINK_STATIC='$(PURE) $(CXX) $(PROG_LIBPATH) $(CXXFLAGS) $(LDFLAGS)'
+	RUN_ENV='LD_LIBRARY_PATH=`echo $(PROG_LIBPATH) | sed -e "s/-L//g" -e "s/ /:/g"`'
+	RUN_VARS='LD_LIBRARY_PATH'
+	;;
+
+*-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu)
+	PICFLAGS=-fPIC
+	SHLIBVEXT='.so.$(LIBMAJOR).$(LIBMINOR)'
+	SHLIBSEXT='.so.$(LIBMAJOR)'
+	SHLIBEXT=.so
+	# Linux ld doesn't default to stuffing the SONAME field...
+	# Use objdump -x to examine the fields of the library
+	# UNDEF_CHECK is suppressed by --enable-asan
+	LDCOMBINE='$(CC) -shared -fPIC -Wl,-h,$(LIBPREFIX)$(LIBBASE)$(SHLIBSEXT) $(UNDEF_CHECK)'
+	UNDEF_CHECK='-Wl,--no-undefined'
+	# $(EXPORT_CHECK) runs export-check.pl when in maintainer mode.
+	LDCOMBINE_TAIL='-Wl,--version-script binutils.versions $(EXPORT_CHECK)'
+	SHLIB_EXPORT_FILE_DEP=binutils.versions
+	RPATH_FLAG='-Wl,--enable-new-dtags -Wl,-rpath -Wl,'
+	# For cases where we do have dependencies on other libraries
+	# built in this tree...
+	SHLIB_RPATH_FLAGS='$(RPATH_FLAG)$(SHLIB_RDIRS)'
+	SHLIB_EXPFLAGS='$(SHLIB_RPATH_FLAGS) $(SHLIB_DIRS) $(SHLIB_EXPLIBS)'
+	PROFFLAGS=-pg
+	PROG_RPATH_FLAGS='$(RPATH_FLAG)$(PROG_RPATH)'
+	CC_LINK_SHARED='$(CC) $(PROG_LIBPATH) $(PROG_RPATH_FLAGS) $(CFLAGS) $(LDFLAGS)'
+	CC_LINK_STATIC='$(CC) $(PROG_LIBPATH) $(CFLAGS) $(LDFLAGS)'
+	CXX_LINK_SHARED='$(CXX) $(PROG_LIBPATH) $(PROG_RPATH_FLAGS) $(CXXFLAGS) $(LDFLAGS)'
+	CXX_LINK_STATIC='$(CXX) $(PROG_LIBPATH) $(CXXFLAGS) $(LDFLAGS)'
+	RUN_ENV='LD_LIBRARY_PATH=`echo $(PROG_LIBPATH) | sed -e "s/-L//g" -e "s/ /:/g"`'
+	RUN_VARS='LD_LIBRARY_PATH'
+
+	## old version:
+	# Linux libc does weird stuff at shlib link time, must be
+	# explicitly listed here.  This also makes it get used even
+	# for the libraries marked as not having any dependencies; while
+	# that's not strictly correct, the resulting behavior -- not adding
+	# extra -R directories -- is still what we want.
+	#LDCOMBINE='ld -shared -h $(LIBPREFIX)$(LIBBASE)$(SHLIBSEXT)'
+	#LDCOMBINE_TAIL="-lc"
+	#SHLIB_EXPFLAGS='-R$(SHLIB_RDIRS) $(SHLIB_DIRS) $(SHLIB_EXPLIBS)'
+
+	;;
+
+*-*-bsdi4*)
+	PICFLAGS=-fpic
+	SHLIBVEXT='.so.$(LIBMAJOR)'
+	SHLIBEXT=.so
+	LDCOMBINE='ld -Bshareable'
+	SHLIB_RPATH_FLAGS='-R$(SHLIB_RDIRS)'
+	SHLIB_EXPFLAGS='$(SHLIB_RPATH_FLAGS) $(SHLIB_DIRS) $(SHLIB_EXPLIBS)'
+	PROG_RPATH_FLAGS='-Wl,-rpath,$(PROG_RPATH)'
+	CC_LINK_SHARED='$(CC) $(PROG_LIBPATH) $(PROG_RPATH_FLAGS)'
+	CC_LINK_STATIC='$(CC) $(PROG_LIBPATH)'
+	CXX_LINK_SHARED='$(CXX) $(PROG_LIBPATH) $(PROG_RPATH_FLAGS)'
+	CXX_LINK_STATIC='$(CXX) $(PROG_LIBPATH)'
+	RUN_ENV='LD_LIBRARY_PATH=`echo $(PROG_LIBPATH) | sed -e "s/-L//g" -e "s/
+/:/g"`'
+	RUN_VARS='LD_LIBRARY_PATH'
+	PROFFLAGS=-pg
+	;;
+
+*-*-aix5*)
+	SHLIBVEXT='.so.$(LIBMAJOR).$(LIBMINOR)'
+	SHLIBEXT=.so
+	# AIX doesn't need separate PIC objects
+	SHOBJEXT=.o
+	SHLIB_EXPFLAGS='  $(SHLIB_DIRS) $(SHLIB_EXPLIBS)'
+	PROFFLAGS=-pg
+	if test "$ac_cv_c_compiler_gnu" = "yes" ; then
+	  wl_prefix=-Wl,
+	  RPATH_FLAG='-Wl,-blibpath:'
+	  LDCOMBINE='$(CC) -shared -v -o $@ $$objlist -nostartfiles -Xlinker -bgcbypass:1 -Xlinker -bfilelist -Xlinker -bM:SRE -Xlinker -bE:$(SHLIB_EXPORT_FILE) -Xlinker -bernotok -Xlinker -brtl $(SHLIB_EXPFLAGS) $(LDFLAGS) -lc $$initfini'
+	else
+	  wl_prefix=
+	  RPATH_FLAG=-blibpath:
+	  LDCOMBINE='/bin/ld -o $@ $$objlist -H512 -T512 -bnoentry -bgcbypass:1 -bnodelcsect -bfilelist -bM:SRE -bE:$(SHLIB_EXPORT_FILE) -bernotok -brtl $(SHLIB_EXPFLAGS) $(LDFLAGS) -lc $$initfini'
+	fi
+	# Assume initialization always delayed.
+	INIT_FINI_PREP="wl=${wl_prefix}; "'i=1; initfini=; for f in . $(LIBFINIFUNC); do if test $$f != .; then initfini="$$initfini $${wl}-binitfini::$$f:$$i"; else :; fi; i=`expr $$i + 1`; done'
+	use_linker_fini_option=yes
+	MAKE_SHLIB_COMMAND="${INIT_FINI_PREP} && ${LDCOMBINE}"
+	RPATH_TAIL=:/usr/lib:/lib
+	PROG_RPATH_FLAGS='$(RPATH_FLAG)$(PROG_RPATH):'"$RPATH_TAIL"
+	CC_LINK_SHARED='$(CC) $(PROG_LIBPATH) $(PROG_RPATH_FLAGS) $(CFLAGS) $(LDFLAGS)'
+	CC_LINK_STATIC='$(CC) $(PROG_LIBPATH) $(CFLAGS) $(LDFLAGS)'
+	CXX_LINK_SHARED='$(CXX) $(PROG_LIBPATH) $(PROG_RPATH_FLAGS) $(CXXFLAGS) $(LDFLAGS)'
+	CXX_LINK_STATIC='$(CXX) $(PROG_LIBPATH) $(CXXFLAGS) $(LDFLAGS)'
+	# $(PROG_RPATH) is here to handle things like a shared tcl library
+	RUN_ENV='LIBPATH=`echo $(PROG_LIBPATH) | sed -e "s/-L//g" -e "s/ /:/g"`:$(PROG_RPATH):/usr/lib:/usr/local/lib'
+	RUN_VARS='LIBPATH'
+	;;
+
+*-*-aix4.*)
+	SHLIBVEXT='.a.$(LIBMAJOR).$(LIBMINOR)'
+	SHLIBEXT=.a
+	# AIX doesn't need separate PIC objects
+	SHOBJEXT=.o
+	SHLIB_EXPFLAGS='  $(SHLIB_DIRS) $(SHLIB_EXPLIBS)'
+	PROFFLAGS=-pg
+	# Dynamically loaded object can have whatever suffix, but don't
+	# make archives like for shared libraries.
+	DYNOBJEXT=.so
+	#
+	if test "$ac_cv_c_compiler_gnu" = "yes" ; then
+	  wl_prefix=-Wl,
+	  RPATH_FLAG='-Wl,-blibpath:'
+	  LDCOMBINE='$(CC) -shared -v -o shr.o.$(LIBMAJOR).$(LIBMINOR) $$objlist -nostartfiles -Xlinker -bgcbypass:1 -Xlinker -bfilelist -Xlinker -bM:SRE -Xlinker -bE:$(SHLIB_EXPORT_FILE) -Xlinker -bernotok $(SHLIB_EXPFLAGS) $(LDFLAGS) -lc $$initfini'
+	  LDCOMBINE_DYN='$(CC) -shared -v -o $@ $$objlist -nostartfiles -Xlinker -bgcbypass:1 -Xlinker -bfilelist -Xlinker -bM:SRE -Xlinker -bE:$(SHLIB_EXPORT_FILE) -Xlinker -bernotok $(SHLIB_EXPFLAGS) $(LDFLAGS) -lc $$initfini'
+	else
+	  wl_prefix=
+	  RPATH_FLAG=-blibpath:
+	  LDCOMBINE='/bin/ld -o shr.o.$(LIBMAJOR).$(LIBMINOR) $$objlist -H512 -T512 -bnoentry -bgcbypass:1 -bnodelcsect -bfilelist -bM:SRE -bE:$(SHLIB_EXPORT_FILE) -bernotok $(SHLIB_EXPFLAGS) $(LDFLAGS) -lc $$initfini'
+	  LDCOMBINE_DYN='/bin/ld -o $@ $$objlist -H512 -T512 -bnoentry -bgcbypass:1 -bnodelcsect -bfilelist -bM:SRE -bE:$(SHLIB_EXPORT_FILE) -bernotok $(SHLIB_EXPFLAGS) $(LDFLAGS) -lc $$initfini'
+	fi
+	# Assume initialization always delayed.
+	INIT_FINI_PREP="wl=${wl_prefix}; "'i=1; initfini=; for f in . $(LIBFINIFUNC); do if test $$f != .; then initfini="$$initfini $${wl}-binitfini::$$f:$$i"; else :; fi; i=`expr $$i + 1`; done'
+	use_linker_fini_option=yes
+	MAKE_SHLIB_COMMAND="${INIT_FINI_PREP} && ${LDCOMBINE}"' && ar cq $@ shr.o.$(LIBMAJOR).$(LIBMINOR) && chmod +x $@ && rm -f shr.o.$(LIBMAJOR).$(LIBMINOR)'
+	MAKE_DYNOBJ_COMMAND="${INIT_FINI_PREP} && ${LDCOMBINE_DYN}"
+	RPATH_TAIL=:/usr/lib:/lib
+	PROG_RPATH_FLAGS='$(RPATH_FLAG)$(PROG_RPATH):'"$RPATH_TAIL"
+	CC_LINK_SHARED='$(CC) $(PROG_LIBPATH) $(PROG_RPATH_FLAGS) $(CFLAGS) $(LDFLAGS)'
+	CC_LINK_STATIC='$(CC) $(PROG_LIBPATH) $(CFLAGS) $(LDFLAGS)'
+	CXX_LINK_SHARED='$(CXX) $(PROG_LIBPATH) $(PROG_RPATH_FLAGS) $(CXXFLAGS) $(LDFLAGS)'
+	CXX_LINK_STATIC='$(CXX) $(PROG_LIBPATH) $(CXXFLAGS) $(LDFLAGS)'
+	# $(PROG_RPATH) is here to handle things like a shared tcl library
+	RUN_ENV='LIBPATH=`echo $(PROG_LIBPATH) | sed -e "s/-L//g" -e "s/ /:/g"`:$(PROG_RPATH):/usr/lib:/usr/local/lib'
+	RUN_VARS='LIBPATH'
+	;;
+esac
+
+if test "${MAKE_SHLIB_COMMAND}" = "x" ; then
+  if test "${INIT_FINI_PREP}" != ":"; then
+    MAKE_SHLIB_COMMAND="${INIT_FINI_PREP} && ${LDCOMBINE} -o \$@ \$\$objlist \$(SHLIB_EXPFLAGS) \$(LDFLAGS) ${LDCOMBINE_TAIL}"
+  else
+    MAKE_SHLIB_COMMAND="${LDCOMBINE} -o \$@ \$\$objlist \$(SHLIB_EXPFLAGS) \$(LDFLAGS) ${LDCOMBINE_TAIL}"
+  fi
+fi