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-rw-r--r--src/ci/docker/scripts/musl-toolchain.sh6
1 files changed, 6 insertions, 0 deletions
diff --git a/src/ci/docker/scripts/musl-toolchain.sh b/src/ci/docker/scripts/musl-toolchain.sh
index 7802e15f188..e168760f449 100644
--- a/src/ci/docker/scripts/musl-toolchain.sh
+++ b/src/ci/docker/scripts/musl-toolchain.sh
@@ -1,3 +1,9 @@
+# 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 2.27, GCC 6.3.0, musl 1.1.18
 set -ex
 
 hide_output() {