gcc native: no __application_newlib_init (apparently there is no need for SIGCHLD)

cross/patch/gcc.patch

@@ -2,16 +2,13 @@ diff --git a/src/gcc/gcc/config.gcc b/src/gcc/gcc/config.gcc
 index ddd3b8f..702aa59 100644
 --- a/src/gcc/gcc/config.gcc
 +++ b/src/gcc/gcc/config.gcc
-@@ -947,6 +947,18 @@ case ${target} in
+@@ -947,6 +947,16 @@ case ${target} in
      tmake_file="$tmake_file vms/t-vmsnative"
    fi
    ;;
 +*-*-jehanne*)
 +  gas=yes
 +  gnu_ld=yes
-+  tmake_file=t-jehanne
-+  extra_objs="${extra_objs} jehanne.o"
-+  extra_gcc_objs="${extra_gcc_objs} jehanne.o"
 +  default_use_cxa_atexit=yes
 +  case $target in
 +  x86_64-*)

cross/patch/gcc/gcc/config/jehanne.c

@@ -1,33 +0,0 @@
-/*
- * This file is part of Jehanne.
- *
- * Copyright (C) 2020 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
- * the Free Software Foundation, version 2 of the License.
- *
- * Jehanne 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 Jehanne.  If not, see <http://www.gnu.org/licenses/>.
- */
-extern "C" {
-	
-#include <u.h>
-#include <libc.h>
-#include <posix.h>
-
-void __application_newlib_init(int argc, char *argv[]);
-
-}
-
-__attribute__((__used__)) void
-__application_newlib_init(int argc, char *argv[])
-{
-	sys_rfork(RFFDG | RFREND | RFNOTEG);
-	libposix_emulate_SIGCHLD();
-}

cross/patch/gcc/gcc/config/t-jehanne

@@ -1,19 +0,0 @@
-# This file is part of Jehanne.
-# 
-# Copyright (C) 2020 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
-# the Free Software Foundation, version 2 of the License.
-#
-# Jehanne 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 Jehanne.  If not, see <http://www.gnu.org/licenses/>.
-
-jehanne.o: $(srcdir)/config/jehanne.c
-	$(COMPILE) $<
-	$(POSTCOMPILE)