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gcc native: initialize newlib (dedicated environment and SIGCHLD management)

This commit is contained in:
Giacomo Tesio 2019-12-18 18:15:17 +01:00
parent 905f03e6ae
commit 57cedd3786
5 changed files with 80 additions and 22 deletions
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8
cross/init.sh
View File

@ -21,12 +21,12 @@ if [ "$JEHANNE" = "" ]; then
exit 1
fi
REPONAME=`basename $JEHANNE`
WORKING_DIR=`dirname $JEHANNE`
WORKING_DIR="$WORKING_DIR/$REPONAME.TOOLCHAIN"
WORKING_DIR="$JEHANNE_TOOLCHAIN"
CROSS_DIR="$JEHANNE/hacking/cross"
LOG="$WORKING_DIR/cross.build.log"
export LD_PRELOAD=
function failOnError {
# $1 -> exit status on a previous command
# $2 -> task description
@ -110,7 +110,7 @@ mkdir -p $GCC_BUILD_DIR
(
cd $WORKING_DIR &&
( grep -q jehanne src/gcc/gcc/config.gcc || patch -p1 < $CROSS_DIR/patch/gcc.patch ) &&
cp $CROSS_DIR/patch/gcc/gcc/config/jehanne.h src/gcc/gcc/config &&
cp $CROSS_DIR/patch/gcc/gcc/config/* src/gcc/gcc/config &&
sed -i 's/ftp/https/g' src/gcc/contrib/download_prerequisites &&
cd src &&
( cd gcc && ./contrib/download_prerequisites ) &&

34
cross/native.sh
View File

@ -6,14 +6,11 @@ WORKING_DIR=$JEHANNE_TOOLCHAIN
CROSS_DIR="$JEHANNE/hacking/cross"
LOG="$WORKING_DIR/native.build.log"
export LD_PRELOAD=
OPATH=$PATH
export PATH="$CROSS_DIR/wrappers:$PATH"
# include x86_64-jehanne-pkg-config in PATH
#export PATH="$JEHANNE/hacking/cross/:$PATH"
#unset CPATH #set in $JEHANNE/hacking/devshell.sh
#export CPATH="$JEHANNE/posix/include:$JEHANNE/sys/include/apw:$JEHANNE/sys/include:$JEHANNE/arch/amd64/include:$CPATH"
function failOnError {
# $1 -> exit status on a previous command
# $2 -> task description
@ -140,7 +137,7 @@ date > $LOG
# export LIBS="-L$JEHANNE/posix/lib -L$JEHANNE/arch/amd64/lib -lmpc -lmpfr -lgmp -lnewlibc -lposix -lc" &&
# export CC_FOR_BUILD='CPATH="" LIBS="" gcc' &&
# mkdir -p $BINUTILS_BUILD_DIR && cd $BINUTILS_BUILD_DIR &&
# $WORKING_DIR/src/binutils/configure --host=x86_64-jehanne --prefix=/posix --with-sysroot=/ --with-build-sysroot=$JEHANNE --with-gmp=$JEHANNE/posix/ --with-mpfr=$JEHANNE/posix/ --with-mpc=$JEHANNE/posix/ --enable-interwork --enable-multilib --enable-newlib-long-time_t --disable-nls --disable-werror &&
# $WORKING_DIR/src/binutils/configure --host=x86_64-jehanne --with-sysroot=/ --with-build-sysroot=$JEHANNE --prefix=/posix --with-gmp=$JEHANNE/posix/ --with-mpfr=$JEHANNE/posix/ --with-mpc=$JEHANNE/posix/ --enable-interwork --enable-multilib --enable-newlib-long-time_t --disable-nls --disable-werror &&
# cp $CROSS_DIR/patch/MakeNothing.in $WORKING_DIR/src/binutils/bfd/doc/Makefile.in &&
# cp $CROSS_DIR/patch/MakeNothing.in $WORKING_DIR/src/binutils/bfd/po/Makefile.in &&
# cp $CROSS_DIR/patch/MakeNothing.in $WORKING_DIR/src/binutils/gas/doc/Makefile.in &&
@ -162,14 +159,23 @@ echo -n Building gcc... | tee -a $LOG
export GCC_BUILD_DIR=$WORKING_DIR/build/gcc-native &&
mkdir -p $GCC_BUILD_DIR &&
cd $GCC_BUILD_DIR &&
$WORKING_DIR/src/gcc/configure --host=x86_64-jehanne --without-isl --prefix=/posix --with-sysroot=/ --with-build-sysroot=$JEHANNE --enable-languages=c,c++ --with-gmp=$JEHANNE/posix --with-mpfr=$JEHANNE/posix --with-mpc=$JEHANNE/posix --disable-shared --disable-threads --disable-tls --disable-bootstrap --disable-libgomp --disable-werror --disable-nls &&
make all-gcc &&
make DESTDIR=$JEHANNE/pkgs/gcc/9.2.0/ install-gcc &&
mkdir -p $GCC_BUILD_DIR/x86_64-jehanne/libgcc &&
cd $GCC_BUILD_DIR/x86_64-jehanne/libgcc &&
$WORKING_DIR/src/gcc/libgcc/configure --srcdir=$WORKING_DIR/src/gcc/libgcc --without-isl --prefix=/posix --with-sysroot=/ --with-build-sysroot=$JEHANNE --with-gmp=$JEHANNE/posix --with-mpfr=$JEHANNE/posix --with-mpc=$JEHANNE/posix --disable-shared --disable-threads --disable-tls --disable-bootstrap --disable-libgomp --disable-werror --disable-nls --enable-languages=c,c++,lto --program-transform-name=s,y,y, --disable-option-checking --with-target-subdir=x86_64-jehanne --build=x86_64-pc-linux-gnu --host=x86_64-jehanne --target=x86_64-jehanne &&
make &&
cd $GCC_BUILD_DIR && make DESTDIR=$JEHANNE/pkgs/gcc/9.2.0/ install-target-libgcc
$WORKING_DIR/src/gcc/configure --host=x86_64-jehanne \
--prefix=/posix --with-sysroot=/ --with-build-sysroot=$JEHANNE \
--enable-languages=c,c++ \
--disable-multiarch --with-multilib-list=m64 \
--without-isl --with-gmp=$JEHANNE/posix --with-mpfr=$JEHANNE/posix --with-mpc=$JEHANNE/posix \
--disable-shared --disable-threads --disable-tls \
--disable-libgomp --disable-werror --disable-nls &&
make all-gcc all-target-libgcc &&
make DESTDIR=$JEHANNE/pkgs/gcc/9.2.0/ install-gcc install-target-libgcc
# $WORKING_DIR/src/gcc/configure --host=x86_64-jehanne --without-isl --prefix=/posix --with-sysroot=/ --with-build-sysroot=$JEHANNE --enable-languages=c,c++ --with-gmp=$JEHANNE/posix --with-mpfr=$JEHANNE/posix --with-mpc=$JEHANNE/posix --disable-shared --disable-threads --disable-tls --disable-bootstrap --disable-libgomp --disable-werror --disable-nls &&
# make all-gcc &&
# make DESTDIR=$JEHANNE/pkgs/gcc/9.2.0/ install-gcc &&
# mkdir -p $GCC_BUILD_DIR/x86_64-jehanne/libgcc &&
# cd $GCC_BUILD_DIR/x86_64-jehanne/libgcc &&
# $WORKING_DIR/src/gcc/libgcc/configure --srcdir=$WORKING_DIR/src/gcc/libgcc --without-isl --prefix=/posix --with-sysroot=/ --with-build-sysroot=$JEHANNE --with-gmp=$JEHANNE/posix --with-mpfr=$JEHANNE/posix --with-mpc=$JEHANNE/posix --disable-shared --disable-threads --disable-tls --disable-bootstrap --disable-libgomp --disable-werror --disable-nls --enable-languages=c,c++,lto --program-transform-name=s,y,y, --disable-option-checking --with-target-subdir=x86_64-jehanne --build=x86_64-pc-linux-gnu --host=x86_64-jehanne --target=x86_64-jehanne &&
# make &&
# cd $GCC_BUILD_DIR && make DESTDIR=$JEHANNE/pkgs/gcc/9.2.0/ install-target-libgcc
) >> $LOG 2>&1
failOnError $? "building gcc"

10
cross/patch/gcc.patch
View File

@ -1,14 +1,16 @@
diff --git a/src/gcc/gcc/config.gcc b/src/gcc/gcc/config.gcc
index f02ddbd..e5ebfe0 100644
index ddd3b8f..702aa59 100644
--- a/src/gcc/gcc/config.gcc
+++ b/src/gcc/gcc/config.gcc
@@ -862,6 +862,16 @@ case ${target} in
@@ -947,6 +947,18 @@ case ${target} in
tmake_file="$tmake_file vms/t-vmsnative"
fi
;;
+*-*-jehanne*)
+ gas=yes
+ gnu_ld=yes
+ c_target_objs="${c_target_objs} jehanne.o"
+ cxx_target_objs="${cxx_target_objs} jehanne.o"
+ default_use_cxa_atexit=yes
+ case $target in
+ x86_64-*)
@ -19,12 +21,12 @@ index f02ddbd..e5ebfe0 100644
*-*-vxworks*)
tmake_file=t-vxworks
xm_defines=POSIX
@@ -1347,6 +1357,9 @@ x86_64-*-darwin*)
@@ -1635,6 +1647,9 @@ i[34567]86-*-elfiamcu)
i[34567]86-*-elf*)
tm_file="${tm_file} i386/unix.h i386/att.h dbxelf.h elfos.h newlib-stdint.h i386/i386elf.h"
;;
+x86_64-*-jehanne*)
+ tm_file="${tm_file} i386/unix.h i386/att.h dbxelf.h elfos.h glibc-stdint.h i386/i386elf.h i386/x86-64.h jehanne.h"
+ tm_file="${tm_file} i386/unix.h i386/att.h dbxelf.h elfos.h newlib-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"

31
cross/patch/gcc/gcc/config/jehanne.c Normal file
View File

@ -0,0 +1,31 @@
/*
* 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[])
{
sys_rfork(RFFDG | RFREND | RFNOTEG);
libposix_emulate_SIGCHLD();
}

19
cross/patch/gcc/gcc/config/t-jehanne Normal file
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@ -0,0 +1,19 @@
# 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)