# darwin 5.x (macOS 10.1) onwards we only need to adjust when the
# deployment target is forced to an earlier version.
case ${MACOSX_DEPLOYMENT_TARGET-UNSET},$host in
- UNSET,*-darwin[[89]]*|UNSET,*-darwin[[12]][[0123456789]]*)
+ UNSET,*-darwin[[89]]*|UNSET,*-darwin[[12]][[0-9]]*)
;;
10.[[012]][[,.]]*)
_lt_dar_allow_undefined='${wl}-flat_namespace ${wl}-undefined ${wl}suppress'
m4_defun([_LT_DARWIN_LINKER_FEATURES],
[
m4_require([_LT_REQUIRED_DARWIN_CHECKS])
+
+ # Publish an arg to allow the user to select that Darwin host (and target)
+ # libraries should be given install-names like @rpath/libfoo.dylib. This
+ # requires that the user of the library then adds an 'rpath' to the DSO that
+ # needs access.
+ # NOTE: there are defaults below, for systems that support rpaths. The person
+ # configuring can override the defaults for any system version that supports
+ # them - they are, however, forced off for system versions without support.
+ AC_ARG_ENABLE([darwin-at-rpath],
+ AS_HELP_STRING([--enable-darwin-at-rpath],
+ [install libraries with @rpath/library-name, requires rpaths to be added to executables]),
+ [if test "x$enable_darwin_at_rpath" = "xyes"; then
+ # This is not supported before macOS 10.5 / Darwin9.
+ case ${MACOSX_DEPLOYMENT_TARGET-UNSET},$host_os in
+ UNSET,darwin[[4-8]]*|UNSET,rhapsody*|10.[[0-4]][[,.]]*)
+ AC_MSG_WARN([Darwin @rpath library names are incompatible with OSX versions earlier than 10.5 (rpaths disabled)])
+ enable_darwin_at_rpath=no
+ ;;
+ esac
+ fi],
+ [case ${MACOSX_DEPLOYMENT_TARGET-UNSET},$host_os in
+ # As above, before 10.5 / Darwin9 this does not work.
+ UNSET,darwin[[4-8]]*|UNSET,rhapsody*|10.[[0-4]][[,.]]*)
+ enable_darwin_at_rpath=no
+ ;;
+
+ # We cannot build and test reliably on macOS 10.11+ (Darwin15+) without use
+ # of rpaths, since runpaths set via DYLD_LIBRARY_PATH are elided by key
+ # system executables (e.g. /bin/sh). Force rpaths on for these systems.
+ UNSET,darwin1[[5-9]]*|UNSET,darwin2*|10.1[[1-9]][[,.]]*|1[[1-9]].*[[,.]]* )
+ AC_MSG_NOTICE([@rpath library names are needed on macOS versions later than 10.11 (rpaths have been enabled)])
+ enable_darwin_at_rpath=yes
+ ;;
+ # NOTE: we are not (yet) doing anything for 10.5 .. 10.10, since they can
+ # work with either DYLD_LIBRARY_PATH or embedded rpaths.
+
+ esac
+ ])
+
_LT_TAGVAR(archive_cmds_need_lc, $1)=no
_LT_TAGVAR(hardcode_direct, $1)=no
_LT_TAGVAR(hardcode_automatic, $1)=yes
esac
if test "$_lt_dar_can_shared" = "yes"; then
output_verbose_link_cmd=func_echo_all
- _LT_TAGVAR(archive_cmds, $1)="\$CC -dynamiclib \$allow_undefined_flag -o \$lib \$libobjs \$deplibs \$compiler_flags -install_name \$rpath/\$soname \$verstring $_lt_dar_single_mod${_lt_dsymutil}"
+ _lt_install_name='\$rpath/\$soname'
+ if test "x$enable_darwin_at_rpath" = "xyes"; then
+ _lt_install_name='@rpath/\$soname'
+ fi
+ _LT_TAGVAR(archive_cmds, $1)="\$CC -dynamiclib \$allow_undefined_flag -o \$lib \$libobjs \$deplibs \$compiler_flags -install_name ${_lt_install_name} \$verstring ${_lt_dsymutil}"
_LT_TAGVAR(module_cmds, $1)="\$CC \$allow_undefined_flag -o \$lib -bundle \$libobjs \$deplibs \$compiler_flags${_lt_dsymutil}"
- _LT_TAGVAR(archive_expsym_cmds, $1)="sed 's,^,_,' < \$export_symbols > \$output_objdir/\${libname}-symbols.expsym~\$CC -dynamiclib \$allow_undefined_flag -o \$lib \$libobjs \$deplibs \$compiler_flags -install_name \$rpath/\$soname \$verstring ${_lt_dar_single_mod}${_lt_dar_export_syms}${_lt_dsymutil}"
+ _LT_TAGVAR(archive_expsym_cmds, $1)="sed 's,^,_,' < \$export_symbols > \$output_objdir/\${libname}-symbols.expsym~\$CC -dynamiclib \$allow_undefined_flag -o \$lib \$libobjs \$deplibs \$compiler_flags -install_name ${_lt_install_name} \$verstring ${_lt_dar_export_syms}${_lt_dsymutil}"
_LT_TAGVAR(module_expsym_cmds, $1)="sed -e 's,^,_,' < \$export_symbols > \$output_objdir/\${libname}-symbols.expsym~\$CC \$allow_undefined_flag -o \$lib -bundle \$libobjs \$deplibs \$compiler_flags${_lt_dar_export_syms}${_lt_dsymutil}"
m4_if([$1], [CXX],
[ if test "$lt_cv_apple_cc_single_mod" != "yes"; then
- _LT_TAGVAR(archive_cmds, $1)="\$CC -r -keep_private_externs -nostdlib -o \${lib}-master.o \$libobjs~\$CC -dynamiclib \$allow_undefined_flag -o \$lib \${lib}-master.o \$deplibs \$compiler_flags -install_name \$rpath/\$soname \$verstring${_lt_dsymutil}"
+ _lt_install_name='\$rpath/\$soname'
+ if test "x$enable_darwin_at_rpath" = "xyes"; then
+ _lt_install_name='@rpath/\$soname'
+ fi
+ _LT_TAGVAR(archive_cmds, $1)="\$CC -r -keep_private_externs -nostdlib -o \${lib}-master.o \$libobjs~\$CC -dynamiclib \$allow_undefined_flag -o \$lib \${lib}-master.o \$deplibs \$compiler_flags -install_name ${_lt_install_name} \$verstring${_lt_dsymutil}"
_LT_TAGVAR(archive_expsym_cmds, $1)="sed 's,^,_,' < \$export_symbols > \$output_objdir/\${libname}-symbols.expsym~\$CC -r -keep_private_externs -nostdlib -o \${lib}-master.o \$libobjs~\$CC -dynamiclib \$allow_undefined_flag -o \$lib \${lib}-master.o \$deplibs \$compiler_flags -install_name \$rpath/\$soname \$verstring${_lt_dar_export_syms}${_lt_dsymutil}"
fi
],[])
AC_LANG_POP
])# _LT_LANG_CXX_CONFIG
-
# _LT_SYS_HIDDEN_LIBDEPS([TAGNAME])
# ---------------------------------
# Figure out "hidden" library dependencies from verbose