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[newlib-cygwin] Sync toplevel configure with upstream GCC.

https://sourceware.org/git/gitweb.cgi?p=newlib-cygwin.git;h=d5632bcfd465b7f980c0e0d2ef0d3a7438c98878

commit d5632bcfd465b7f980c0e0d2ef0d3a7438c98878
Author: Anton Kolesov <Anton.Kolesov@synopsys.com>
Date:   Tue May 17 14:08:32 2016 +0300

    Sync toplevel configure with upstream GCC.
    
    This fixes a problem, where libgloss wouldn't be built for ARC processors,
    even though it is actually supported. The original patch that introduced
    support for ARC in libgloss hasn't been submitted to GCC maillist, hence
    when top-level configure has been synced with GCC - this libgloss patch has
    been effectively reverted.
    
    Libgloss support for ARC has been accepted in GCC:
    https://gcc.gnu.org/ml/gcc-patches/2016-05/msg01148.html
    
    ChangeLog
    
    2016-05-17  Anton Kolesov  <Anton.Kolesov@synopsys.com>
    
    	* configure.ac: Sync with upstream GCC.
    	* configure: Regenerate.
    
    Signed-off-by: Anton Kolesov <Anton.Kolesov@synopsys.com>

Diff:
---
 configure    | 35 ++++++++++++-----------------------
 configure.ac | 35 ++++++++++++-----------------------
 2 files changed, 24 insertions(+), 46 deletions(-)

diff --git a/configure b/configure
index 35f231e..ea63784 100755
--- a/configure
+++ b/configure
@@ -3446,8 +3446,6 @@ case "${target}" in
     ;;
   sh-*-* | sh[34]*-*-*)
     ;;
-  sh64-*-* | sh5*-*-*)
-    ;;
   sparc*-*-*)
     ;;
   x86_64-*-*)
@@ -3758,9 +3756,6 @@ case "${target}" in
   sh*-*-pe|mips*-*-pe|*arm-wince-pe)
     noconfigdirs="$noconfigdirs tcl tk itcl libgui sim"
     ;;
-  arc-*-*|arceb-*-*)
-    noconfigdirs="$noconfigdirs target-libgloss"
-    ;;
   arm-*-pe*)
     noconfigdirs="$noconfigdirs target-libgloss"
     ;;
@@ -3946,7 +3941,7 @@ case "${target}" in
   or1k*-*-*)
     noconfigdirs="$noconfigdirs gdb"
     ;;
-  sh-*-* | sh64-*-*)
+  sh-*-*)
     case "${target}" in
       sh*-*-elf)
          ;;
@@ -5570,16 +5565,9 @@ if test "x$with_mpfr_lib" != x; then
   gmplibs="-L$with_mpfr_lib $gmplibs"
 fi
 if test "x$with_mpfr$with_mpfr_include$with_mpfr_lib" = x && test -d ${srcdir}/mpfr; then
-  # MPFR v3.1.0 moved the sources into a src sub-directory.
-  if test -d ${srcdir}/mpfr/src; then
-    gmplibs='-L$$r/$(HOST_SUBDIR)/mpfr/src/'"$lt_cv_objdir $gmplibs"
-    gmpinc='-I$$r/$(HOST_SUBDIR)/mpfr/src -I$$s/mpfr/src '"$gmpinc"
-    extra_mpc_mpfr_configure_flags='--with-mpfr-include=$$s/mpfr/src --with-mpfr-lib=$$r/$(HOST_SUBDIR)/mpfr/src/'"$lt_cv_objdir"
-  else
-    gmplibs='-L$$r/$(HOST_SUBDIR)/mpfr/'"$lt_cv_objdir $gmplibs"
-    gmpinc='-I$$r/$(HOST_SUBDIR)/mpfr -I$$s/mpfr '"$gmpinc"
-    extra_mpc_mpfr_configure_flags='--with-mpfr-include=$$s/mpfr --with-mpfr-lib=$$r/$(HOST_SUBDIR)/mpfr/'"$lt_cv_objdir"
-  fi
+  gmplibs='-L$$r/$(HOST_SUBDIR)/mpfr/src/'"$lt_cv_objdir $gmplibs"
+  gmpinc='-I$$r/$(HOST_SUBDIR)/mpfr/src -I$$s/mpfr/src '"$gmpinc"
+  extra_mpc_mpfr_configure_flags='--with-mpfr-include=$$s/mpfr/src --with-mpfr-lib=$$r/$(HOST_SUBDIR)/mpfr/src/'"$lt_cv_objdir"
   # Do not test the mpfr version.  Assume that it is sufficient, since
   # it is in the source tree, and the library has not been built yet
   # but it would be included on the link line in the version check below
@@ -14850,16 +14838,17 @@ else
   # For --disable-checking or implicit --enable-checking=release, avoid
   # setting --enable-checking=gc in the default stage1 checking for LTO
   # bootstraps.  See PR62077.
-  stage1_checking=--enable-checking=release,misc,gimple,rtlflag,tree,types
   case $BUILD_CONFIG in
     *lto*)
-      if test "x$enable_checking" = x && \
-	 test -d ${srcdir}/gcc && \
-	 test x"`cat ${srcdir}/gcc/DEV-PHASE`" = xexperimental; then
-	stage1_checking=--enable-checking=yes,types
-      fi;;
-    *) stage1_checking=--enable-checking=yes,types;;
+      stage1_checking=--enable-checking=release,misc,gimple,rtlflag,tree,types;;
+    *)
+      stage1_checking=--enable-checking=yes,types;;
   esac
+  if test "x$enable_checking" = x && \
+     test -d ${srcdir}/gcc && \
+     test x"`cat ${srcdir}/gcc/DEV-PHASE`" = xexperimental; then
+    stage1_checking=--enable-checking=yes,types,extra
+  fi
 else
   stage1_checking=--enable-checking=$enable_checking,types
 fi
diff --git a/configure.ac b/configure.ac
index 74bf58a..54558df 100644
--- a/configure.ac
+++ b/configure.ac
@@ -782,8 +782,6 @@ case "${target}" in
     ;;
   sh-*-* | sh[[34]]*-*-*)
     ;;
-  sh64-*-* | sh5*-*-*)
-    ;;
   sparc*-*-*)
     ;;
   x86_64-*-*)
@@ -1094,9 +1092,6 @@ case "${target}" in
   sh*-*-pe|mips*-*-pe|*arm-wince-pe)
     noconfigdirs="$noconfigdirs tcl tk itcl libgui sim"
     ;;
-  arc-*-*|arceb-*-*)
-    noconfigdirs="$noconfigdirs target-libgloss"
-    ;;
   arm-*-pe*)
     noconfigdirs="$noconfigdirs target-libgloss"
     ;;
@@ -1282,7 +1277,7 @@ case "${target}" in
   or1k*-*-*)
     noconfigdirs="$noconfigdirs gdb"
     ;;
-  sh-*-* | sh64-*-*)
+  sh-*-*)
     case "${target}" in
       sh*-*-elf)
          ;;
@@ -1550,16 +1545,9 @@ if test "x$with_mpfr_lib" != x; then
   gmplibs="-L$with_mpfr_lib $gmplibs"
 fi
 if test "x$with_mpfr$with_mpfr_include$with_mpfr_lib" = x && test -d ${srcdir}/mpfr; then
-  # MPFR v3.1.0 moved the sources into a src sub-directory.
-  if test -d ${srcdir}/mpfr/src; then
-    gmplibs='-L$$r/$(HOST_SUBDIR)/mpfr/src/'"$lt_cv_objdir $gmplibs"
-    gmpinc='-I$$r/$(HOST_SUBDIR)/mpfr/src -I$$s/mpfr/src '"$gmpinc"
-    extra_mpc_mpfr_configure_flags='--with-mpfr-include=$$s/mpfr/src --with-mpfr-lib=$$r/$(HOST_SUBDIR)/mpfr/src/'"$lt_cv_objdir"
-  else
-    gmplibs='-L$$r/$(HOST_SUBDIR)/mpfr/'"$lt_cv_objdir $gmplibs"
-    gmpinc='-I$$r/$(HOST_SUBDIR)/mpfr -I$$s/mpfr '"$gmpinc"
-    extra_mpc_mpfr_configure_flags='--with-mpfr-include=$$s/mpfr --with-mpfr-lib=$$r/$(HOST_SUBDIR)/mpfr/'"$lt_cv_objdir"
-  fi
+  gmplibs='-L$$r/$(HOST_SUBDIR)/mpfr/src/'"$lt_cv_objdir $gmplibs"
+  gmpinc='-I$$r/$(HOST_SUBDIR)/mpfr/src -I$$s/mpfr/src '"$gmpinc"
+  extra_mpc_mpfr_configure_flags='--with-mpfr-include=$$s/mpfr/src --with-mpfr-lib=$$r/$(HOST_SUBDIR)/mpfr/src/'"$lt_cv_objdir"
   # Do not test the mpfr version.  Assume that it is sufficient, since
   # it is in the source tree, and the library has not been built yet
   # but it would be included on the link line in the version check below
@@ -3530,16 +3518,17 @@ AC_ARG_ENABLE(stage1-checking,
   # For --disable-checking or implicit --enable-checking=release, avoid
   # setting --enable-checking=gc in the default stage1 checking for LTO
   # bootstraps.  See PR62077.
-  stage1_checking=--enable-checking=release,misc,gimple,rtlflag,tree,types
   case $BUILD_CONFIG in
     *lto*)
-      if test "x$enable_checking" = x && \
-	 test -d ${srcdir}/gcc && \
-	 test x"`cat ${srcdir}/gcc/DEV-PHASE`" = xexperimental; then
-	stage1_checking=--enable-checking=yes,types
-      fi;;
-    *) stage1_checking=--enable-checking=yes,types;;
+      stage1_checking=--enable-checking=release,misc,gimple,rtlflag,tree,types;;
+    *)
+      stage1_checking=--enable-checking=yes,types;;
   esac
+  if test "x$enable_checking" = x && \
+     test -d ${srcdir}/gcc && \
+     test x"`cat ${srcdir}/gcc/DEV-PHASE`" = xexperimental; then
+    stage1_checking=--enable-checking=yes,types,extra
+  fi
 else
   stage1_checking=--enable-checking=$enable_checking,types
 fi])
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