From 9e5ff25be8ff5e2aa581faee804770dca0f29e0d Mon Sep 17 00:00:00 2001
From: Jiahao XU <Jiahao_XU@outlook.com>
Date: Sun, 31 Jul 2022 13:12:27 +1000
Subject: [PATCH] Fix release build: Set `RUSTFLAGS` to link with libgcc
 statically

Signed-off-by: Jiahao XU <Jiahao_XU@outlook.com>
---
 .github/workflows/build.yml    | 2 ++
 ci-scripts/compile-settings.jq | 8 ++++++++
 2 files changed, 10 insertions(+)

diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 57d04169..93a7af04 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -110,6 +110,8 @@ jobs:
 
     - name: Build
       run: ${{ env.CTOOL }} build ${{ env.CARGS }}
+      env:
+        RUSTFLAGS: ${{ env.RUSTFLAGS }}
 
     - name: Get output
       shell: bash
diff --git a/ci-scripts/compile-settings.jq b/ci-scripts/compile-settings.jq
index ae905cf0..72f45153 100644
--- a/ci-scripts/compile-settings.jq
+++ b/ci-scripts/compile-settings.jq
@@ -9,9 +9,16 @@ if $for_release then {
   output: "debug",
   profile: "dev",
   args: ($matrix.debug_build_args // ""),
+  rustflags: "",
   features: ($matrix.debug_features // ["rustls", "fancy-with-backtrace"]),
 } end
 |
+.rustflags = (
+  if $for_release and $matrix.target == "aarch64-unknown-linux-musl" or $matrix.target == "armv7-unknown-linux-musleabihf"
+  then "-C link-arg=-lgcc -Clink-arg=-static-libgcc"
+  else "" end
+)
+|
 .features = (
   if (.features | length > 0)
   then "--no-default-features --features \(.features | join(","))"
@@ -23,6 +30,7 @@ if $for_release then {
   CTOOL: (if ($matrix."use-cross" // false) then "cross" else "cargo" end),
   COUTPUT: .output,
   CARGS: "--target \($matrix.target) --profile \(.profile) \(.features) \(.args)",
+  RUSTFLAGS: .rustflags,
 }
 |
 to_entries[] | "\(.key)=\(.value)"