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newlib: better installation; $NEWLIB_OPTIMIZATION drives gcc -O flags

This commit is contained in:
Giacomo Tesio 2017-04-21 23:52:18 +02:00
parent cf1572487e
commit 2872875ca9
3 changed files with 29 additions and 5 deletions
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7
cross/pkgs/build.json Normal file
View File

@ -0,0 +1,7 @@
{
"CrossCompiledPackages": {
"Pre": [
"./newlib.sh"
]
}
}

25
cross/pkgs/newlib.sh
View File

@ -16,13 +16,16 @@
# You should have received a copy of the GNU General Public License
# along with Jehanne. If not, see <http://www.gnu.org/licenses/>.
set -e
if [ "$JEHANNE" = "" ]; then
echo $0 requires the shell started by ./hacking/devshell.sh
exit 1
fi
# To create a Jehanne version of GCC, we need specific OUTDATED versions
# To create a Jehanne version of newlib, we need specific OUTDATED versions
# of Autotools that won't compile easily in a modern Linux distro.
export PATH=$JEHANNE/hacking/cross/tmp/bin:$PATH
function failOnError {
# $1 -> exit status on a previous command
@ -33,19 +36,33 @@ function failOnError {
fi
}
export PATH=$JEHANNE/hacking/cross/tmp/bin:$PATH
export CROSS_DIR=$JEHANNE/hacking/cross
export NEWLIB=$CROSS_DIR/pkgs/newlib/
export NEWLIB_SRC=$NEWLIB/src/
export NEWLIB_BUILD=$NEWLIB/build/
export NEWLIB_PREFIX=$NEWLIB/output/
if [ "$NEWLIB_OPTIMIZATION" = "" ]; then
NEWLIB_OPTIMIZATION=2
fi
# NOTE: we use -O0 because apparently vsprintf functions do not
# work with -O2.
export CFLAGS_FOR_TARGET="-g -gdwarf-2 -ggdb -O$NEWLIB_OPTIMIZATION"
(
rm -fr $NEWLIB_BUILD &&
rm -fr $NEWLIB_PREFIX &&
mkdir $NEWLIB_BUILD &&
mkdir $NEWLIB_PREFIX &&
cd $NEWLIB_BUILD &&
$NEWLIB_SRC/configure --prefix=$NEWLIB_PREFIX --target=x86_64-jehanne &&
make all && make install &&
mv $NEWLIB_PREFIX/x86_64-jehanne/include/* $JEHANNE/sys/posix/newlib/ &&
mv $NEWLIB_PREFIX/x86_64-jehanne/lib/ $JEHANNE/arch/amd64/lib/newlib/
rm -fr $JEHANNE/sys/posix/newlib &&
rm -fr $JEHANNE/arch/amd64/lib/newlib &&
mv $NEWLIB_PREFIX/x86_64-jehanne/include/ $JEHANNE/sys/posix/newlib &&
echo "Newlib headers installed at $JEHANNE/sys/posix/newlib/" &&
mv $NEWLIB_PREFIX/x86_64-jehanne/lib/ $JEHANNE/arch/amd64/lib/newlib/ &&
echo "Newlib libraries installed at $JEHANNE/arch/amd64/lib/newlib/"
)
failOnError $? "building newlib"

2
cross/pkgs/newlib/src

@ -1 +1 @@
Subproject commit 0f0315dbffeb30149c5746dedd307dc1f12eb317
Subproject commit 595d23fca25540206311a6d9954122255f7b6432