chrono: Use typedefs.

[gcc.git] / configure.ac

diff --git a/configure.ac b/configure.ac
index 6af4be17a82fe1013d6eb4f565edcbe99110a992..ac44863917d35be30e864cdeb646903ca83121da 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -221,7 +221,14 @@ target_configdirs=`echo ${target_libraries} ${target_tools}`
 build_configdirs=`echo ${build_libs} ${build_tools}`
 
 m4_divert_text([PARSE_ARGS],
-[ac_subdirs_all=`cd $srcdir && echo */configure | sed 's,/configure,,g'`
+[case $srcdir in
+  *" "*)
+m4_pushdef([AS_MESSAGE_LOG_FD], [])dnl
+    AC_MSG_ERROR([path to source, $srcdir, contains spaces])
+m4_popdef([AS_MESSAGE_LOG_FD])dnl
+    ;;
+esac
+ac_subdirs_all=`cd $srcdir && echo */configure | sed 's,/configure,,g'`
 ])
 
 ################################################################################
@@ -1786,9 +1793,11 @@ to specify its location.])
   # Flags needed for libelf.
   AC_SUBST(libelflibs)
   AC_SUBST(libelfinc)
+  # ELF platforms build the lto-plugin when GOLD is in use.
+  build_lto_plugin=${ENABLE_GOLD}
 fi],[if test x"$default_enable_lto" = x"yes" ; then
     case $target in
-      *-apple-darwin*) ;;
+      *-apple-darwin* | *-cygwin* | *-mingw*) ;;
       # On other non-ELF platforms, LTO must be explicitly enabled.
       *) enable_lto=no ;;
     esac
@@ -1799,13 +1808,18 @@ fi],[if test x"$default_enable_lto" = x"yes" ; then
   # warn during gcc/ subconfigure; unless you're bootstrapping with
   # -flto it won't be needed until after installation anyway.
     case $target in
-      *-cygwin*|*-mingw* | *-apple-darwin*) ;;
+      *-cygwin* | *-mingw* | *-apple-darwin*) ;;
       *) if test x"$enable_lto" = x"yes"; then
        AC_MSG_ERROR([LTO support is not enabled for this target.])
         fi
       ;;
     esac
   fi
+  # Among non-ELF, only Windows platforms support the lto-plugin so far.
+  case $target in
+    *-cygwin* | *-mingw*) build_lto_plugin=yes ;;
+    *) ;;
+  esac
   default_enable_lto=no])
 
 
@@ -1884,7 +1898,7 @@ if test -d ${srcdir}/gcc; then
       *,lto,*) ;;
       *) enable_languages="${enable_languages},lto" ;;
     esac
-    if test "${ENABLE_GOLD}" = "yes" ; then
+    if test "${build_lto_plugin}" = "yes" ; then
       configdirs="$configdirs lto-plugin"
       extra_host_libiberty_configure_flags=--enable-shared
     fi