FDPIC: Handle arm*-*-uclinuxfdpiceabi in configure scripts

In libtool.m4, we use uclinuxfdpiceabi in cases where ELF shared
libraries support is required, as uclinux does not guarantee that.

	* libtool.m4: Handle uclinuxfdpiceabi.

diff --git a/libtool.m4 b/libtool.m4
index 1f726c93c8c50bef926869d5e8697496ace26543..e36fdd3c0e2fe42f61b1fa4cc1b6911cba678c07 100644 (file)
--- a/libtool.m4
+++ b/libtool.m4
@@ -2471,7 +2471,12 @@ linux*oldld* | linux*aout* | linux*coff*)
   ;;
 
 # This must be Linux ELF.
-linux* | k*bsd*-gnu | kopensolaris*-gnu | gnu*)
+
+# uclinux* changes (here and below) have been submitted to the libtool
+# project, but have not yet been accepted: they are GCC-local changes
+# for the time being.  (See
+# https://lists.gnu.org/archive/html/libtool-patches/2018-05/msg00000.html)
+linux* | k*bsd*-gnu | kopensolaris*-gnu | gnu* | uclinuxfdpiceabi)
   version_type=linux
   need_lib_prefix=no
   need_version=no
@@ -3130,7 +3135,7 @@ irix5* | irix6* | nonstopux*)
   ;;
 
 # This must be Linux ELF.
-linux* | k*bsd*-gnu | kopensolaris*-gnu)
+linux* | k*bsd*-gnu | kopensolaris*-gnu | uclinuxfdpiceabi)
   lt_cv_deplibs_check_method=pass_all
   ;;
 
@@ -4503,7 +4508,7 @@ _LT_EOF
       _LT_TAGVAR(archive_expsym_cmds, $1)='sed "s,^,_," $export_symbols >$output_objdir/$soname.expsym~$CC -shared $pic_flag $libobjs $deplibs $compiler_flags ${wl}-h,$soname ${wl}--retain-symbols-file,$output_objdir/$soname.expsym ${wl}--image-base,`expr ${RANDOM-$$} % 4096 / 2 \* 262144 + 1342177280` -o $lib'
       ;;
 
-    gnu* | linux* | tpf* | k*bsd*-gnu | kopensolaris*-gnu)
+    gnu* | linux* | tpf* | k*bsd*-gnu | kopensolaris*-gnu | uclinuxfdpiceabi)
       tmp_diet=no
       if test "$host_os" = linux-dietlibc; then
        case $cc_basename in