add a script for building musl libc

1 files changed, 53 insertions, 0 deletions

diff --git a/build/musl b/build/musl
new file mode 100755
index 0000000..13487e5
--- /dev/null
+++ b/build/musl
@@ -0,0 +1,53 @@
+#!/bin/sh
+set -e
+set -x
+relver="1.2.2"
+build_dir="/v/pub/musl"
+
+PREFIX="$HOME/musl"
+
+if ! [ -d "$build_dir" ] ; then
+	mkdir -p "$build_dir"
+fi
+cd "$build_dir"
+
+sigLoc="https://musl.libc.org/releases/musl-${relver}.tar.gz.asc"
+sigFn="musl-${relver}.tar.gz.asc"
+arLoc="https://musl.libc.org/releases/musl-${relver}.tar.gz"
+arFn="musl-${relver}.tar.gz"
+
+curl https://musl.libc.org/musl.pub | gpg --import
+
+if ! [ -e "$arFn" ] ; then
+	curl -o "$arFn" "$arLoc"
+fi
+
+if ! [ -e "$sigFn" ] ; then
+	curl -o "$sigFn" "$sigLoc"
+fi
+
+_out="$(mktemp)";
+gpg --fingerprint --verify "$sigFn" >"$_out" 2>&1
+ret=$?
+
+if [ $ret -ne 0 ] ; then
+	cat "$_out"
+	rm "$_out"
+	echo "Bad signature"
+fi
+
+if ! grep -q '^Primary key fingerprint: 8364 8929 0BB6 B70F 99FF  DA05 56BC DB59 3020 450F' \
+	< "$_out" ; then
+	cat "$_out"
+	rm "$_out"
+	echo "Bad signature"
+	exit 1
+fi
+rm "$_out" || printf ""
+
+tar xzvf "$arFn"
+cd "musl-${relver}"
+./configure --prefix="$PREFIX" --bindir="$HOME/bin" --disable-shared \
+	--enable-static
+make
+make install -j$(nproc)