Cross-compile Docker container updated to include musl

.github/workflows/build_docker_image.yml

@@ -25,7 +25,7 @@ jobs:
           password: ${{ secrets.GITHUB_TOKEN }}
 
       - name: Set image name
-        run: echo "IMAGE_NAME=ghcr.io/${GITHUB_REPOSITORY_OWNER,,}/cross_compiler_unix:1" >> $GITHUB_ENV
+        run: echo "IMAGE_NAME=ghcr.io/${GITHUB_REPOSITORY_OWNER,,}/cross_compiler_unix:2" >> $GITHUB_ENV
 
       - name: Build Docker image
         run:  docker build -t $IMAGE_NAME ./tools/cross_compiler_unix/

.github/workflows/build_wheels.yml

@@ -10,7 +10,7 @@ jobs:
   build_stencils:
     runs-on: ubuntu-latest
     container:
-      image: ghcr.io/nonannet/cross_compiler_unix:1
+      image: ghcr.io/nonannet/cross_compiler_unix:2
     steps:
       - uses: actions/checkout@v4
 

.github/workflows/ci.yml

@@ -10,7 +10,7 @@ jobs:
   build_stencils:
     runs-on: ubuntu-latest
     container:
-      image: ghcr.io/nonannet/cross_compiler_unix:1
+      image: ghcr.io/nonannet/cross_compiler_unix:2
     steps:
       - uses: actions/checkout@v4
 

tools/cross_compiler_unix/Dockerfile

@@ -5,6 +5,7 @@ WORKDIR /home
 RUN apt-get update && apt-get install -y \
     build-essential \
     gcc-13 \
+    gcc-12-i686-linux-gnu \
     gcc-13-arm-linux-gnueabihf \
     gcc-13-mips-linux-gnu \
     gcc-13-mipsel-linux-gnu \
@@ -13,3 +14,7 @@ RUN apt-get update && apt-get install -y \
     gcc-13-multilib \
     python3 \
     git
+
+COPY *.sh ./
+
+RUN sh build_musl.sh && ls build/

tools/cross_compiler_unix/build_musl.sh

@@ -0,0 +1,23 @@
+
+#!/bin/sh
+
+git clone --single-branch --branch master --depth 1 https://git.musl-libc.org/git/musl
+cd musl
+
+./configure CFLAGS="-O2 -fno-stack-protector -ffast-math"
+sh packobjs.sh x86_64
+
+./configure CFLAGS="-O2 -fno-stack-protector" CC=i686-linux-gnu-gcc-13
+sh packobjs.sh x86
+
+./configure CFLAGS="-O2 -fno-stack-protector" CC=aarch64-linux-gnu-gcc-13
+sh packobjs.sh arm64
+
+#./configure CFLAGS="-O2 -fno-stack-protector" CC=mips-linux-gnu-gcc-13
+#sh packobjs.sh mips
+
+#./configure CFLAGS="-O2 -fno-stack-protector" CC=riscv64-linux-gnu-gcc-13
+#sh packobjs.sh riscv64
+
+
+

tools/cross_compiler_unix/packobjs.sh

@@ -0,0 +1,16 @@
+#!/bin/sh
+
+ARCH=$1
+
+mkdir -p ../build/stencil_objs
+
+cd ../build/stencil_objs
+ar x ../../../musl/lib/libc.a sinf.lo cosf.lo tanf.lo asinf.lo acosf.lo atanf.lo atan2f.lo
+ar x ../../../musl/lib/libc.a sqrtf.lo logf.lo expf.lo sqrt.lo
+ar x ../../../musl/lib/libc.a logf_data.lo __tandf.lo __cosdf.lo __sindf.lo __rem_pio2f.lo __math_invalidf.lo __stack_chk_fail.lo __math_divzerof.lo __math_oflowf.lo __rem_pio2_large.lo scalbn.lo floor.lo exp2f_data.lo powf.lo powf_data.lo __math_uflowf.lo __math_xflowf.lo
+ar x ../../../musl/lib/libc.a fabsf.lo
+
+ld -r *.lo -o ../musl_objects_{$ARCH}.o
+
+rm ../build/stencil_objs/*
+cd ../../musl