* 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 9e8c964a0a9a92a338e11fefa5bd8dac9590e981..32fc5f65ad16a91b847585264d08e65ee46b6a8f 100644 (file)
--- a/ld/configure.in
+++ b/ld/configure.in
@@ -5,7 +5,7 @@ AC_INIT(ldmain.c)
 
 AC_CANONICAL_SYSTEM
 
-AM_INIT_AUTOMAKE(ld, 2.9.4)
+AM_INIT_AUTOMAKE(ld, 2.9.5)
 
 AM_PROG_LIBTOOL
 
@@ -68,12 +68,32 @@ 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=
 EMUL=
 all_emuls=
 all_emul_extras=
+all_libpath=
 
 dnl We need to get an arbitrary number of tdir definitions into
 dnl Makefile.  We can't do it using AC_SUBST, because autoconf does
@@ -87,7 +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
@@ -112,12 +132,15 @@ do
        esac
     done
 
-    all_libpath=$targ_emul
-    for i in $targ_extra_libpath; do
+    for i in $targ_emul $targ_extra_libpath; do
        case " $all_libpath " in
        *" ${i} "*) ;;
        *)
-         all_libpath="$all_libpath ${i}"
+         if test -z "$all_libpath"; then
+           all_libpath=${i}
+         else
+           all_libpath="$all_libpath ${i}"
+         fi
          ;;
        esac
     done
@@ -165,5 +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])