test

.github/workflows/test.yml

@@ -92,6 +92,12 @@ jobs:
         run: |
           nimble install
 
+      - name: Install multilib support
+        if: ${{ matrix.platform.cpu == 'i386' && contains(matrix.platform.os, 'linux') }}
+        run: |
+          sudo apt-get update
+          sudo apt-get install -y gcc-multilib g++-multilib
+
       - name: Use gcc 14
         if : ${{ matrix.platform.os == 'linux-gcc-14'}}
         run: |

build_libs.sh

@@ -1,14 +1,48 @@
 #!/bin/bash
+set -euo pipefail
+
 root=$(dirname "$0")
 sources=${root}/libs
+tmpdir=$(mktemp -d)
 
+force_i386=false
 
-cmake -S . -B build
+# check args
+for arg in "$@"; do
+  case "$arg" in
+    --i386)
+      force_i386=true
+      ;;
+    *)
+      echo "unknown arg: $arg" >&2
+      exit 1
+      ;;
+  esac
+done
 
+cmake_args=(
+  -DCMAKE_BUILD_TYPE=Release
+  -DBUILD_SHARED_LIBS=OFF
+  -DBUILD_TESTING=OFF
+  -DFIPS=OFF
+  -DBUILD_TOOL=OFF
+  -DDISABLE_GO=ON
+)
+
+# optionally inject i386 toolchain
+if [ "$force_i386" = true ]; then
+  toolchain_file=$(mktemp)
+  cat > "$toolchain_file" <<EOF
+set(CMAKE_SYSTEM_NAME Linux)
+set(CMAKE_SYSTEM_PROCESSOR i386)
+set(CMAKE_C_FLAGS "\${CMAKE_C_FLAGS} -m32")
+set(CMAKE_CXX_FLAGS "\${CMAKE_CXX_FLAGS} -m32")
+EOF
+  cmake_args+=("-DCMAKE_TOOLCHAIN_FILE=$toolchain_file")
+fi
 
 # build aws-lc
-tmpdir=$(mktemp -d)
-cmake -S ./libs/aws-lc -B "$tmpdir" -DCMAKE_BUILD_TYPE=Release -DBUILD_SHARED_LIBS=OFF -DBUILD_TESTING=OFF -DFIPS=OFF -DBUILD_TOOL=OFF -DDISABLE_GO=ON
+cmake -S ./libs/aws-lc -B "$tmpdir" "${cmake_args[@]}"
 cmake --build "$tmpdir" --target all
 cp "$tmpdir"/ssl/libssl.a ./build/.
-cp "$tmpdir"/crypto/libcrypto.a ./build/.
+cp "$tmpdir"/crypto/libcrypto.a ./build/.