Automatic date update in version.in

[deliverable/binutils-gdb.git] / bfd / configure.ac

diff --git a/bfd/configure.ac b/bfd/configure.ac
index 6c1b5febd55531f21a3d827984743fce70752c63..bb5c1687b4e86f480f893b40aadf605a1a19a4bc 100644 (file)
--- a/bfd/configure.ac
+++ b/bfd/configure.ac
@@ -256,6 +256,20 @@ AC_CHECK_DECLS(strnlen)
 # This is used only by compress.c.
 AM_ZLIB
 
+save_CFLAGS="$CFLAGS"
+CFLAGS="$CFLAGS -Werror"
+AC_CACHE_CHECK([compiler support for hidden visibility], bfd_cv_hidden,
+[AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
+const char hw[] __attribute__ ((__visibility__ ("hidden"))) = "Hello, World\n";
+extern void print (const char *) __attribute__ ((__visibility__ ("hidden")));]],
+       [[print (hw);]])],
+  [bfd_cv_hidden=yes], [bfd_cv_hidden=no])])
+CFLAGS="$save_CFLAGS"
+if test $bfd_cv_hidden = yes; then
+  AC_DEFINE(HAVE_HIDDEN, 1,
+           [Define if your compiler supports hidden visibility.])
+fi
+
 # Check if linker supports --as-needed and --no-as-needed options
 AC_CACHE_CHECK(linker --as-needed support, bfd_cv_ld_as_needed,
        [bfd_cv_ld_as_needed=no
@@ -509,6 +523,7 @@ do
     m68hc11_elf32_vec)          tb="$tb elf32-m68hc11.lo elf32-m68hc1x.lo elf32.lo $elf" ;;
     m68hc12_elf32_vec)          tb="$tb elf32-m68hc12.lo elf32-m68hc1x.lo elf32.lo $elf" ;;
     m68k_elf32_vec)             tb="$tb elf32-m68k.lo elf32.lo $elf" ;;
+    s12z_elf32_vec)             tb="$tb elf32-s12z.lo elf32.lo $elf" ;;
     mach_o_be_vec)              tb="$tb mach-o.lo dwarf2.lo" ;;
     mach_o_le_vec)              tb="$tb mach-o.lo dwarf2.lo" ;;
     mach_o_fat_vec)             tb="$tb mach-o.lo dwarf2.lo" ;;