* config/rs6000/rs6000.c (rs6000_register_move_cost): Make LR/CTR

[pf3gnuchains/gcc-fork.git] / libgcc / configure

diff --git a/libgcc/configure b/libgcc/configure
index 5c8e3a0..8a27aab 100644 (file)
--- a/libgcc/configure
+++ b/libgcc/configure
@@ -576,10 +576,13 @@ RANLIB
 NM
 LIPO
 AR
+toolexeclibdir
+toolexecdir
 target_subdir
 host_subdir
 build_subdir
 build_libsubdir
+target_noncanonical
 host_noncanonical
 host_os
 host_vendor
@@ -2174,6 +2177,8 @@ esac
 esac
 
 
+
+
 # post-stage1 host modules use a different CC_FOR_BUILD so, in order to
 # have matching libraries, they should use host libraries: Makefile.tpl
 # arranges to pass --with-build-libsubdir=$(HOST_SUBDIR).
@@ -2204,6 +2209,36 @@ fi
 target_subdir=${target_noncanonical}
 
 
+# Calculate toolexeclibdir
+# Also toolexecdir, though it's only used in toolexeclibdir
+case ${version_specific_libs} in
+  yes)
+    # Need the gcc compiler version to know where to install libraries
+    # and header files if --enable-version-specific-runtime-libs option
+    # is selected.
+    toolexecdir='$(libdir)/gcc/$(target_noncanonical)'
+    toolexeclibdir='$(toolexecdir)/$(gcc_version)$(MULTISUBDIR)'
+    ;;
+  no)
+    if test -n "$with_cross_host" &&
+       test x"$with_cross_host" != x"no"; then
+      # Install a library built with a cross compiler in tooldir, not libdir.
+      toolexecdir='$(exec_prefix)/$(target_noncanonical)'
+      toolexeclibdir='$(toolexecdir)/lib'
+    else
+      toolexecdir='$(libdir)/gcc-lib/$(target_noncanonical)'
+      toolexeclibdir='$(libdir)'
+    fi
+    multi_os_directory=`$CC -print-multi-os-directory`
+    case $multi_os_directory in
+      .) ;; # Avoid trailing /.
+      *) toolexeclibdir=$toolexeclibdir/$multi_os_directory ;;
+    esac
+    ;;
+esac
+
+
+
 if test -n "$ac_tool_prefix"; then
   # Extract the first word of "${ac_tool_prefix}ar", so it can be a program name with args.
 set dummy ${ac_tool_prefix}ar; ac_word=$2
@@ -3707,6 +3742,30 @@ $as_echo "$libgcc_cv_fixed_point" >&6; }
 fixed_point=$libgcc_cv_fixed_point
 
 
+# Check for assembler CFI support.
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether assembler supports CFI directives" >&5
+$as_echo_n "checking whether assembler supports CFI directives... " >&6; }
+if test "${libgcc_cv_cfi+set}" = set; then :
+  $as_echo_n "(cached) " >&6
+else
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+asm("\n\
+       .text\n\
+       .cfi_startproc\n\
+       .cfi_personality 0, symbol\n\
+       .cfi_endproc");
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+  libgcc_cv_cfi=yes
+else
+  libgcc_cv_cfi=no
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libgcc_cv_cfi" >&5
+$as_echo "$libgcc_cv_cfi" >&6; }
+
 # Check 32bit or 64bit for x86.
 case ${host} in
 i?86*-*-* | x86_64*-*-*)
@@ -3730,7 +3789,7 @@ esac
 # Link with -nostartfiles -nodefaultlibs since neither are present while
 # building libgcc.
 case ${host} in
-i?86-*-solaris2.1[0-9]*)
+i?86-*-solaris2*)
   cat > conftest.s <<EOF
        .section        .eh_frame,"a",@unwind
        .zero   4