blob: bc1b30e2d31ae204857f1202b9dc17efe14042a8 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
|
#!/bin/sh
# This script runs `musl-cross-make` to prepare C toolchain (Binutils, GCC, musl itself)
# and builds static libunwind that we distribute for static target.
#
# Versions of the toolchain components are configurable in `musl-cross-make/Makefile` and
# musl unlike GLIBC is forward compatible so upgrading it shouldn't break old distributions.
# Right now we have: Binutils 2.31.1, GCC 9.2.0, musl 1.2.3.
# ignore-tidy-linelength
set -ex
hide_output() {
set +x
on_err="
echo ERROR: An error was encountered with the build.
cat /tmp/build.log
exit 1
"
trap "$on_err" ERR
bash -c "while true; do sleep 30; echo \$(date) - building ...; done" &
PING_LOOP_PID=$!
"$@" &> /tmp/build.log
trap - ERR
kill $PING_LOOP_PID
rm /tmp/build.log
set -x
}
ARCH=$1
TARGET=$ARCH-linux-musl
# Don't depend on the mirrors of sabotage linux that musl-cross-make uses.
LINUX_HEADERS_SITE=https://ci-mirrors.rust-lang.org/rustc/sabotage-linux-tarballs
LINUX_VER=headers-4.19.88
OUTPUT=/usr/local
shift
# Ancient binutils versions don't understand debug symbols produced by more recent tools.
# Apparently applying `-fPIC` everywhere allows them to link successfully.
# Enable debug info. If we don't do so, users can't debug into musl code,
# debuggers can't walk the stack, etc. Fixes #90103.
export CFLAGS="-fPIC -g1 $CFLAGS"
git clone https://github.com/richfelker/musl-cross-make # -b v0.9.9
cd musl-cross-make
# A version that includes support for building musl 1.2.3
git checkout fe915821b652a7fa37b34a596f47d8e20bc72338
hide_output make -j$(nproc) TARGET=$TARGET MUSL_VER=1.2.3 LINUX_HEADERS_SITE=$LINUX_HEADERS_SITE LINUX_VER=$LINUX_VER
hide_output make install TARGET=$TARGET MUSL_VER=1.2.3 LINUX_HEADERS_SITE=$LINUX_HEADERS_SITE LINUX_VER=$LINUX_VER OUTPUT=$OUTPUT
cd -
# Install musl library to make binaries executable
ln -s $OUTPUT/$TARGET/lib/libc.so /lib/ld-musl-$ARCH.so.1
echo $OUTPUT/$TARGET/lib >> /etc/ld-musl-$ARCH.path
# Now when musl bootstraps itself create proper toolchain symlinks to make build and tests easier
if [ "$REPLACE_CC" = "1" ]; then
for exec in cc gcc; do
ln -s $TARGET-gcc /usr/local/bin/$exec
done
for exec in cpp c++ g++; do
ln -s $TARGET-g++ /usr/local/bin/$exec
done
fi
|
