OBJC_BOEHM_GC_INCLUDES
OBJC_BOEHM_GC
OBJC_GCFLAGS
+extra_ldflags_libobjc
+ENABLE_DARWIN_AT_RPATH_FALSE
+ENABLE_DARWIN_AT_RPATH_TRUE
SET_MAKE
CPP
OTOOL64
AR
AS
XCFLAGS
-extra_ldflags_libobjc
lt_host_flags
OBJEXT
EXEEXT
enable_fast_install
with_gnu_ld
enable_libtool_lock
+enable_darwin_at_rpath
enable_tls
enable_objc_gc
with_target_bdw_gc
--enable-fast-install[=PKGS]
optimize for fast installation [default=yes]
--disable-libtool-lock avoid locking (might break parallel builds)
+ --enable-darwin-at-rpath
+ install libraries with @rpath/library-name, requires
+ rpaths to be added to executables
--enable-tls Use thread-local storage [default=yes]
--enable-objc-gc enable use of Boehm's garbage collector with the GNU
Objective-C runtime
-case "${host}" in
- *-darwin*)
- # Darwin needs -single_module when linking libobjc
- extra_ldflags_libobjc='$(lt_host_flags) -Wl,-single_module'
- ;;
- *-cygwin*|*-mingw*)
- # Tell libtool to build DLLs on Windows
- extra_ldflags_libobjc='$(lt_host_flags)'
- ;;
-esac
-
# Add CET specific flags if CET is enabled
# 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 ${wl}suppress'
darwin* | rhapsody*)
+
+ # Publish an arg to allow the user to select that Darwin host (and target)
+ # libraries should be given install-names like @rpath/libfoo.dylib. This
+ # requires that the user of the library then adds an 'rpath' to the DSO that
+ # needs access.
+ # NOTE: there are defaults below, for systems that support rpaths. The person
+ # configuring can override the defaults for any system version that supports
+ # them - they are, however, forced off for system versions without support.
+ # Check whether --enable-darwin-at-rpath was given.
+if test "${enable_darwin_at_rpath+set}" = set; then :
+ enableval=$enable_darwin_at_rpath; if test "x$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][,.]*)
+ { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: Darwin @rpath library names are incompatible with OSX versions earlier than 10.5 (rpaths disabled)" >&5
+$as_echo "$as_me: WARNING: Darwin @rpath library names are incompatible with OSX versions earlier than 10.5 (rpaths disabled)" >&2;}
+ enable_darwin_at_rpath=no
+ ;;
+ esac
+ fi
+else
+ 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].*[,.]* )
+ { $as_echo "$as_me:${as_lineno-$LINENO}: @rpath library names are needed on macOS versions later than 10.11 (rpaths have been enabled)" >&5
+$as_echo "$as_me: @rpath library names are needed on macOS versions later than 10.11 (rpaths have been enabled)" >&6;}
+ 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
+
+fi
+
+
archive_cmds_need_lc=no
hardcode_direct=no
hardcode_automatic=yes
esac
if test "$_lt_dar_can_shared" = "yes"; then
output_verbose_link_cmd=func_echo_all
- archive_cmds="\$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
+ archive_cmds="\$CC -dynamiclib \$allow_undefined_flag -o \$lib \$libobjs \$deplibs \$compiler_flags -install_name ${_lt_install_name} \$verstring ${_lt_dsymutil}"
module_cmds="\$CC \$allow_undefined_flag -o \$lib -bundle \$libobjs \$deplibs \$compiler_flags${_lt_dsymutil}"
- archive_expsym_cmds="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}"
+ archive_expsym_cmds="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}"
module_expsym_cmds="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}"
else
lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
lt_status=$lt_dlunknown
cat > conftest.$ac_ext <<_LT_EOF
-#line 10837 "configure"
+#line 10879 "configure"
#include "confdefs.h"
#if HAVE_DLFCN_H
lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
lt_status=$lt_dlunknown
cat > conftest.$ac_ext <<_LT_EOF
-#line 10943 "configure"
+#line 10985 "configure"
#include "confdefs.h"
#if HAVE_DLFCN_H
fi
+ if test x$enable_darwin_at_rpath = xyes; then
+ ENABLE_DARWIN_AT_RPATH_TRUE=
+ ENABLE_DARWIN_AT_RPATH_FALSE='#'
+else
+ ENABLE_DARWIN_AT_RPATH_TRUE='#'
+ ENABLE_DARWIN_AT_RPATH_FALSE=
+fi
+
+
+# Must come after libtool is initialized.
+case "${host}" in
+ *-darwin[4567]*)
+ # Earlier Darwin versions need -single_module when linking libobjc; they
+ # do not support @rpath.
+ extra_ldflags_libobjc='$(lt_host_flags) -Wl,-single_module'
+ ;;
+ *-darwin*)
+ # Otherwise, single_module is the default and multi-module is ignored and
+ # obsolete.
+ extra_ldflags_libobjc='$(lt_host_flags)'
+ if test "x$enable_darwin_at_rpath" = "xyes"; then
+ extra_ldflags_libobjc="${extra_ldflags_libobjc} -Wc,-nodefaultrpaths"
+ extra_ldflags_libobjc="${extra_ldflags_libobjc} -Wl,-rpath,@loader_path"
+ fi
+ ;;
+ *-cygwin*|*-mingw*)
+ # Tell libtool to build DLLs on Windows
+ extra_ldflags_libobjc='$(lt_host_flags)'
+ ;;
+esac
+
+
# -------
# Headers
# -------
as_fn_error $? "conditional \"MAINTAINER_MODE\" was never defined.
Usually this means the macro was only invoked conditionally." "$LINENO" 5
fi
+if test -z "${ENABLE_DARWIN_AT_RPATH_TRUE}" && test -z "${ENABLE_DARWIN_AT_RPATH_FALSE}"; then
+ as_fn_error $? "conditional \"ENABLE_DARWIN_AT_RPATH\" was never defined.
+Usually this means the macro was only invoked conditionally." "$LINENO" 5
+fi
: "${CONFIG_STATUS=./config.status}"
ac_write_fail=0
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