* Makefile.am (ALL_EMULATIONS): Remove ehppaelf.o.

[deliverable/binutils-gdb.git] / ld / configure.in

diff --git a/ld/configure.in b/ld/configure.in
index 01b802eeaeea7b63850795067480a8a91239ed7a..32fc5f65ad16a91b847585264d08e65ee46b6a8f 100644 (file)
--- a/ld/configure.in
+++ b/ld/configure.in
@@ -68,6 +68,25 @@ BFD_NEED_DECLARATION(sbrk)
 BFD_NEED_DECLARATION(getenv)
 BFD_NEED_DECLARATION(environ)
 
+# When converting linker scripts into strings for use in emulation
+# files, use astring.sed if the compiler supports ANSI string
+# concatenation, or ostring.sed otherwise.  This is to support the
+# broken Microsoft MSVC compiler, which limits the length of string
+# constants, while still supporting pre-ANSI compilers which do not
+# support string concatenation.
+AC_MSG_CHECKING([whether ANSI C string concatenation works])
+AC_CACHE_VAL(ld_cv_string_concatenation,
+[AC_TRY_COMPILE(,[char *a = "a" "a";],
+  [ld_cv_string_concatenation=yes],
+  [ld_cv_string_concatenation=no])])
+AC_MSG_RESULT($ld_cv_string_concatenation)
+if test "$ld_cv_string_concatenation" = "yes"; then
+  STRINGIFY=astring.sed
+else
+  STRINGIFY=ostring.sed
+fi
+AC_SUBST(STRINGIFY)
+
 # target-specific stuff:
 
 all_targets=
@@ -88,7 +107,7 @@ do
     all_targets=true
   else
     # Canonicalize the secondary target names.
-    result=`${CONFIG_SHELL-/bin/sh} $ac_config_sub $targ_alias 2>/dev/null`
+    result=`$ac_config_sub $targ_alias 2>/dev/null`
     if test -n "$result"; then
        targ=$result
     else
@@ -169,5 +188,15 @@ else
 fi
 AC_SUBST(TESTBFDLIB)
 
+target_vendor=${target_vendor=$host_vendor}
+case "$target_vendor" in
+  hp) EXTRA_SHLIB_EXTENSION=".sl" ;;
+  *)  EXTRA_SHLIB_EXTENSION= ;;
+esac
+if test x${EXTRA_SHLIB_EXTENSION} != x ; then
+  AC_DEFINE_UNQUOTED(EXTRA_SHLIB_EXTENSION, "$EXTRA_SHLIB_EXTENSION",
+   [Additional extension a shared object might have.])
+fi
+
 AC_OUTPUT(Makefile po/Makefile.in:po/Make-in,
 [sed -e '/POTFILES =/r po/POTFILES' po/Makefile.in > po/Makefile])