tree: Fix up component_ref_sam_type handling of arrays of 0 sized elements [PR109215]

[people/ms/gcc.git] / libtool.m4

diff --git a/libtool.m4 b/libtool.m4
index efa62bfcbf0992c850588d1340e3b58afa85e808..b92e284d9f95a9662faca5e5396cc4fa00287e86 100644 (file)
--- a/libtool.m4
+++ b/libtool.m4
@@ -1325,26 +1325,8 @@ need_locks="$enable_libtool_lock"
 # _LT_CMD_OLD_ARCHIVE
 # -------------------
 m4_defun([_LT_CMD_OLD_ARCHIVE],
-[plugin_option=
-plugin_names="liblto_plugin.so liblto_plugin-0.dll cyglto_plugin-0.dll"
-for plugin in $plugin_names; do
-  plugin_so=`${CC} ${CFLAGS} --print-prog-name $plugin`
-  if test x$plugin_so = x$plugin; then
-    plugin_so=`${CC} ${CFLAGS} --print-file-name $plugin`
-  fi
-  if test x$plugin_so != x$plugin; then
-    plugin_option="--plugin $plugin_so"
-    break
-  fi
-done
-
-AC_CHECK_TOOL(AR, ar, false)
+[AC_CHECK_TOOL(AR, ar, false)
 test -z "$AR" && AR=ar
-if test -n "$plugin_option"; then
-  if $AR --help 2>&1 | grep -q "\--plugin"; then
-    AR="$AR $plugin_option"
-  fi
-fi
 test -z "$AR_FLAGS" && AR_FLAGS=cru
 _LT_DECL([], [AR], [1], [The archiver])
 _LT_DECL([], [AR_FLAGS], [1])
@@ -1355,11 +1337,6 @@ _LT_DECL([], [STRIP], [1], [A symbol stripping program])
 
 AC_CHECK_TOOL(RANLIB, ranlib, :)
 test -z "$RANLIB" && RANLIB=:
-if test -n "$plugin_option" && test "$RANLIB" != ":"; then
-  if $RANLIB --help 2>&1 | grep -q "\--plugin"; then
-    RANLIB="$RANLIB $plugin_option"
-  fi
-fi
 _LT_DECL([], [RANLIB], [1],
     [Commands used to install an old-style archive])
 
@@ -2698,6 +2675,25 @@ uts4*)
   shlibpath_var=LD_LIBRARY_PATH
   ;;
 
+# Shared libraries for VwWorks, >= 7 only at this stage
+# and (fpic) still incompatible with "large" code models
+# in a few configurations. Only for RTP mode in any case,
+# and upon explicit request at configure time.
+vxworks7*)
+  dynamic_linker=no
+  case ${with_multisubdir}-${enable_shared} in
+    *large*)
+      ;;
+    *mrtp*-yes)
+      version_type=linux
+      need_lib_prefix=no
+      need_version=no
+      library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}'
+      soname_spec='${libname}${release}${shared_ext}$major'
+      dynamic_linker="$host_os module_loader"
+      ;;
+  esac
+  ;;
 *)
   dynamic_linker=no
   ;;
@@ -3185,6 +3181,11 @@ sysv4 | sysv4.3*)
 tpf*)
   lt_cv_deplibs_check_method=pass_all
   ;;
+vxworks*)
+  # Assume VxWorks cross toolchains are built on Linux, possibly
+  # as canadian for Windows hosts.
+  lt_cv_deplibs_check_method=pass_all
+  ;;
 esac
 ])
 file_magic_cmd=$lt_cv_file_magic_cmd
@@ -6419,8 +6420,9 @@ if test "$_lt_caught_CXX_error" != yes; then
         ;;
 
       vxworks*)
-        # FIXME: insert proper C++ library support
-        _LT_TAGVAR(ld_shlibs, $1)=no
+        # For VxWorks ports, we assume the use of a GNU linker with
+        # standard elf conventions.
+        _LT_TAGVAR(ld_shlibs, $1)=yes
         ;;
 
       *)