Add support for mipsel

Again all the credit goes to @mara0004
See #93

Author: bblanchon

.github/workflows/build-all.yml

@@ -316,6 +316,17 @@ jobs:
       target_cpu: arm64
       enable_v8: true
 
+  linux_mipsel:
+    name: Linux mipsel
+    uses: ./.github/workflows/build.yml
+    with:
+      branch: ${{ github.event.inputs.branch }}
+      version: ${{ github.event.inputs.version }}
+      is_debug: ${{ github.event.inputs.is_debug == 'true' }}
+      target_os: linux
+      target_cpu: mipsel
+      enable_v8: false
+
   linux_mips64el:
     name: Linux mips64el
     uses: ./.github/workflows/build.yml
@@ -760,6 +771,7 @@ jobs:
       - linux_musl_arm64
       - linux_musl_x64
       - linux_musl_x86
+      - linux_mipsel
       - linux_mips64el
       - linux_ppc64
       - linux_x64

.github/workflows/build-one.yml

@@ -27,6 +27,7 @@ on:
         options:
           - arm
           - arm64
+          - mipsel
           - mips64el
           - ppc64
           - x64

.github/workflows/build.yml

@@ -28,7 +28,7 @@ on:
         type: string
         required: true
       target_cpu:
-        description: Target (CPU arm|arm64|mips64el|ppc64|x64|x86|wasm)
+        description: Target (CPU arm|arm64|mipsel|mips64el|ppc64|x64|x86|wasm)
         type: string
         required: true
       target_environment:

.github/workflows/patch.yml

@@ -59,6 +59,8 @@ jobs:
             environment: musl
           - os: linux
             cpu: ppc64
+          - os: linux
+            cpu: mipsel
           - os: linux
             cpu: mips64el
           - os: emscripten

README.md

@@ -97,6 +97,11 @@ Here are the download links for latest release:
     <td><a href="https://github.com/bblanchon/pdfium-binaries/releases/latest/download/pdfium-linux-arm64.tgz">pdfium-linux-arm64.tgz</a></td>
     <td><a href="https://github.com/bblanchon/pdfium-binaries/releases/latest/download/pdfium-v8-linux-arm64.tgz">pdfium-v8-linux-arm64.tgz</a></td>
   </tr>
+  <tr>
+    <td>mipsel</td>
+    <td><a href="https://github.com/bblanchon/pdfium-binaries/releases/latest/download/pdfium-linux-mipsel.tgz">pdfium-linux-mipsel.tgz</a></td>
+    <td>not tested yet</td>
+  </tr>
   <tr>
     <td>mips64el</td>
     <td><a href="https://github.com/bblanchon/pdfium-binaries/releases/latest/download/pdfium-linux-mips64el.tgz">pdfium-linux-mips64el.tgz</a></td>

build.sh

@@ -1,7 +1,7 @@
 #!/bin/bash -eu
 
 OS_NAMES="android|emscripten|ios|linux|mac|win"
-CPU_NAMES="arm|arm64|mips64el|ppc64|x64|x86|wasm"
+CPU_NAMES="arm|arm64|mipsel|mips64el|ppc64|x64|x86|wasm"
 ENV_NAMES="catalyst|device|musl|simulator"
 OS_ENV_COMBINATIONS="linux musl|ios (catalyst|device|simulator)"
 STEP_REGEX="[0-9]|10"

steps/01-install.sh

@@ -81,6 +81,14 @@ case "$TARGET_OS" in
           sudo apt-get install -y libc6-i386 gcc-10-multilib g++-10-aarch64-linux-gnu gcc-10-aarch64-linux-gnu
           ;;
 
+        mipsel)
+          sudo apt-get install -y gcc-11-multilib g++-11-mipsel-linux-gnu gcc-11-mipsel-linux-gnu
+          sudo update-alternatives --install /usr/bin/mipsel-linux-gnu-gcc mipsel-linux-gnu-gcc /usr/bin/mipsel-linux-gnu-gcc-11 100
+          sudo update-alternatives --install /usr/bin/mipsel-linux-gnu-g++ mipsel-linux-gnu-g++ /usr/bin/mipsel-linux-gnu-g++-11 100
+          sudo update-alternatives --set mipsel-linux-gnu-gcc /usr/bin/mipsel-linux-gnu-gcc-11
+          sudo update-alternatives --set mipsel-linux-gnu-g++ /usr/bin/mipsel-linux-gnu-g++-11
+          ;;
+
         mips64el)
           sudo apt-get install -y gcc-11-multilib g++-11-mips64el-linux-gnuabi64 gcc-11-mips64el-linux-gnuabi64
           sudo update-alternatives --install /usr/bin/mips64el-linux-gnuabi64-gcc mips64el-linux-gnuabi64-gcc /usr/bin/mips64el-linux-gnuabi64-gcc-11 100

steps/03-patch.sh

@@ -80,7 +80,7 @@ case "$TARGET_ENVIRONMENT" in
 esac
 
 case "$TARGET_CPU" in
-  mips64el)
+  mipsel|mips64el)
     apply_patch "$PATCHES/mips64el/build.patch" build
     ;;
   ppc64)

steps/09-test.sh

@@ -86,6 +86,9 @@ case "$OS" in
           SUFFIX="-10"
         fi
         ;;
+      mipsel)
+        PREFIX="mipsel-linux-gnu-"
+        ;;
       mips64el)
         PREFIX="mips64el-linux-gnuabi64-"
         ;;