gcc native: move cross compiler outside source tree

cross/patch/gcc/config.sub

@@ -1,3 +0,0 @@
-	-jehanne*)
-		os=-jehanne
-		;;

cross/patch/gcc/contrib/download_prerequisites

@@ -1,71 +0,0 @@
-#! /bin/sh
-
-# Download some prerequisites needed by gcc.
-# Run this from the top level of the gcc source tree and the gcc
-# build will do the right thing.
-#
-# (C) 2010 Free Software Foundation
-#
-# This program is free software: you can redistribute it and/or modify
-# it under the terms of the GNU General Public License as published by
-# the Free Software Foundation, either version 3 of the License, or
-# (at your option) any later version.
-# 
-# This program is distributed in the hope that it will be useful, but
-# WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
-# General Public License for more details.
-# 
-# You should have received a copy of the GNU General Public License
-# along with this program. If not, see http://www.gnu.org/licenses/.
-
-# If you want to build GCC with the Graphite loop optimizations,
-# set GRAPHITE_LOOP_OPT=yes to download optional prerequisties
-# ISL Library and CLooG.
-GRAPHITE_LOOP_OPT=yes
-
-if [ ! -e gcc/BASE-VER ] ; then
-	echo "You must run this script in the top level GCC source directory."
-	exit 1
-fi
-
-# Necessary to build GCC.
-MPFR=mpfr-2.4.2
-GMP=gmp-4.3.2
-MPC=mpc-0.8.1
-
-if [ ! -d $MPFR ]; then
-	wget http://ftp.mirrorservice.org/sites/sourceware.org/pub/gcc/infrastructure/$MPFR.tar.bz2 || exit 1
-	tar xjf $MPFR.tar.bz2 || exit 1
-	ln -sf $MPFR mpfr || exit 1
-fi
-
-if [ ! -d $GMP ]; then
-	wget http://ftp.mirrorservice.org/sites/sourceware.org/pub/gcc/infrastructure/$GMP.tar.bz2 || exit 1
-	tar xjf $GMP.tar.bz2  || exit 1
-	ln -sf $GMP gmp || exit 1
-fi
-
-if [ ! -d $MPC ]; then
-	wget http://ftp.mirrorservice.org/sites/sourceware.org/pub/gcc/infrastructure/$MPC.tar.gz || exit 1
-	tar xzf $MPC.tar.gz || exit 1
-	ln -sf $MPC mpc || exit 1
-fi
-
-# Necessary to build GCC with the Graphite loop optimizations.
-if [ "$GRAPHITE_LOOP_OPT" = "yes" ] ; then
-	ISL=isl-0.12.2
-	CLOOG=cloog-0.18.1
-
-	if [ ! -d $ISL ]; then
-		wget http://ftp.mirrorservice.org/sites/sourceware.org/pub/gcc/infrastructure/$ISL.tar.bz2 || exit 1
-		tar xjf $ISL.tar.bz2  || exit 1
-		ln -sf $ISL isl || exit 1
-	fi
-
-	if [ ! -d $CLOOG ]; then
-		wget http://ftp.mirrorservice.org/sites/sourceware.org/pub/gcc/infrastructure/$CLOOG.tar.gz || exit 1
-		tar xzf $CLOOG.tar.gz || exit 1
-		ln -sf $CLOOG cloog || exit 1
-	fi
-fi

cross/patch/gcc/fixincludes/mkfixinc.sh

@@ -1 +0,0 @@
-    *-jehanne* | \

cross/patch/gcc/gcc/config.gcc

@@ -1,31 +0,0 @@
-diff --git a/src/gcc/gcc/config.gcc b/src/gcc/gcc/config.gcc
-index f02ddbd..e5ebfe0 100644
---- a/src/gcc/gcc/config.gcc
-+++ b/src/gcc/gcc/config.gcc
-@@ -862,6 +862,16 @@ case ${target} in
-     tmake_file="$tmake_file vms/t-vmsnative"
-   fi
-   ;;
-+*-*-jehanne*)
-+  gas=yes
-+  gnu_ld=yes
-+  default_use_cxa_atexit=yes
-+  case $target in
-+  x86_64-*)
-+    native_system_header_dir="/arch/amd64/include"
-+    ;;
-+  esac
-+  ;;
- *-*-vxworks*)
-   tmake_file=t-vxworks
-   xm_defines=POSIX
-@@ -1347,6 +1357,9 @@ x86_64-*-darwin*)
- i[34567]86-*-elf*)
- 	tm_file="${tm_file} i386/unix.h i386/att.h dbxelf.h elfos.h newlib-stdint.h i386/i386elf.h"
- 	;;
-+x86_64-*-jehanne*)
-+	tm_file="${tm_file} i386/unix.h i386/att.h dbxelf.h elfos.h glibc-stdint.h i386/i386elf.h i386/x86-64.h jehanne.h"
-+	;;
- x86_64-*-elf*)
- 	tm_file="${tm_file} i386/unix.h i386/att.h dbxelf.h elfos.h newlib-stdint.h i386/i386elf.h i386/x86-64.h"
- 	;;

cross/patch/gcc/gcc/config/jehanne.h

@@ -1,7 +1,7 @@
 /*
  * This file is part of Jehanne.
  *
- * Copyright (C) 2016 Giacomo Tesio <giacomo@tesio.it>
+ * Copyright (C) 2016-2019 Giacomo Tesio <giacomo@tesio.it>
  *
  * Jehanne is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -68,10 +68,6 @@
 #undef ENDFILE_SPEC
 #define ENDFILE_SPEC "crtend.o%s crtn.o%s"
  
-/* Don't automatically add extern "C" { } around header files. */
-#undef  NO_IMPLICIT_EXTERN_C
-#define NO_IMPLICIT_EXTERN_C 1
-
 /* Fix https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67132 */
 #undef	WCHAR_TYPE
 #define WCHAR_TYPE "unsigned int"

cross/patch/gcc/libgcc/config.host

@@ -1,4 +0,0 @@
-x86_64-*-jehanne*)
-	extra_parts="$extra_parts crtbegin.o crtend.o"
-	tmake_file="$tmake_file i386/t-crtstuff t-crtstuff-pic t-libgcc-pic"
-	;;

cross/patch/gcc/libgcc/config.host.sed

@@ -1,3 +0,0 @@
-/enable_execute_stack=enable-execute-stack-empty.c;/,/Configuration ${host} not supported/{
-	/^case ${host} in$/r ../patch/gcc/libgcc/config.host
-}

cross/patch/gcc/libstdc++-v3/crossconfig.m4

@@ -1,6 +0,0 @@
-  *-jehanne*)
-    GLIBCXX_CHECK_COMPILER_FEATURES
-    GLIBCXX_CHECK_LINKER_FEATURES
-    GLIBCXX_CHECK_MATH_SUPPORT
-    GLIBCXX_CHECK_STDLIB_SUPPORT
-    ;;