.

.github/workflows/build_and_release.yml

@@ -9,7 +9,7 @@ on:
       version-tag:
         description: Python package version to release to PyPI (without 'v')
         required: true
-        default: 4.14.post5
+        default: 4.14.post7
       dry-run:
         description: Dry run
         type: boolean
@@ -21,9 +21,8 @@ jobs:
     strategy:
       matrix:
         platform:
-          # Use old ubuntu for binary compatibility with older glibc
-          - runner: ubuntu-20.04
-            target: manylinux_2_28_x86_64
+          - runner: ubuntu-24.04
+            target: manylinux_2_17_x86_64.manylinux2014_x86_64
     steps:
       - uses: actions/checkout@v4
       - name: Install dependencies
@@ -33,7 +32,7 @@ jobs:
           uv tool install wheel
       - name: Build app
         run: |
-          bash build_reduce.sh ${{ inputs.reduce-release-tag }}
+          bash build_reduce_linux.sh ${{ inputs.reduce-release-tag }}
       - name: Build python wheel
         run: |
           bash build_python.sh wheel ${{ inputs.version-tag }} ${{ matrix.platform.target }}
@@ -77,7 +76,7 @@ jobs:
           brew install gnu-sed
       - name: Build app
         run: |
-          MACOSX_DEPLOYMENT_TARGET=${{ matrix.platform.target_env }} bash build_reduce.sh ${{ inputs.reduce-release-tag }}
+          MACOSX_DEPLOYMENT_TARGET=${{ matrix.platform.target_env }} bash build_reduce_mac.sh ${{ inputs.reduce-release-tag }}
       - name: Build python wheel
         run: |
           export PATH="/Users/runner/.local/bin:$PATH"

.gitignore

@@ -1,3 +1,4 @@
+/build_glibc_dependency.txt
 /build/
 /build_python/
 # Created by https://www.toptal.com/developers/gitignore/api/python

build_glibc_dependencies.txt

@@ -0,0 +1 @@
+2.4

build_reduce_linux.sh

@@ -9,12 +9,33 @@ if [[ $# -ge 1 ]]; then
 	REDUCE_RELEASE_TAG=$1
 else
     echo "usage: $0 <REDUCE-RELEASE-TAG>"
+    exit 1
 fi
 
 docker build . -f linux_build.Dockerfile -t reduce-build --build-arg REDUCE_RELEASE_TAG="$REDUCE_RELEASE_TAG"
 
 docker rm -f reducecontainer
 docker create -ti --name reducecontainer reduce-build bash
 docker cp reducecontainer:/opt/build .
-docker rm -f reducecontainer
+docker cp reducecontainer:/opt/binary_glibc_dependency.txt .
+BINARY_GLIBC_DEPENDENCY=$(cat binary_glibc_dependency.txt)
+rm binary_glibc_dependency.txt
+
+# Check if the glibc dependency is lower than 2.17
+# this should be 2.17. Only if the dependency is higher than 2.17, the value will be different
+dependency_lower_than_2_17=$(printf "%s\n2.17" "$BINARY_GLIBC_DEPENDENCY" | sort -Vu | tail -1)
+
+if [[ "$dependency_lower_than_2_17" != "2.17" ]]; then
+    echo "⚠️ The glibc dependency is higher than 2.17."
+    echo "⚠️ The binary may not run on all systems."
+    echo "⚠️ Dependency: $BINARY_GLIBC_DEPENDENCY"
+    exit 1
+else
+    echo "✅ The glibc dependency is lower than 2.17."
+    echo "✅ The binary should run on most systems."
+    echo "✅ Dependency: $BINARY_GLIBC_DEPENDENCY"
+    exit 1
+fi
+
+# docker rm -f reducecontainer
 

build_reduce_mac.sh

@@ -8,6 +8,7 @@ if [[ $# -ge 1 ]]; then
 	REDUCE_RELEASE_TAG=$1
 else
     echo "usage: $0 <REDUCE-RELEASE-TAG>"
+    exit 1
 fi
 
 ## Fetch Code

linux_build.Dockerfile

@@ -1,8 +1,8 @@
 FROM ubuntu:18.04 as builder
 ## USAGE: docker build . -f linux_build.Dockerfile -t reduce-appimage --build-arg REDUCE_RELEASE_TAG=v4.14
 RUN apt-get update && apt-get install -y \
-            g++ make cmake \
-            curl git
+            g++ make cmake git \
+			binutils  # to check the minimum required glibc version
 
 ENV BUILD_DIR=/opt/build
 RUN mkdir -p $BUILD_DIR
@@ -21,3 +21,6 @@ ENV CPPFLAGS="-I$BUILD_DIR/include"
 ENV LDFLAGS="-L$BUILD_DIR/lib"
 RUN cmake . -DCMAKE_INSTALL_PREFIX="$BUILD_DIR"
 RUN make -j4 && make install
+
+## Check the minimum required glibc version
+RUN objdump -T "$BUILD_DIR/bin/reduce" | grep -v GLIBCXX | grep GLIBC | sed 's/.*GLIBC_\([.0-9]*\).*/\1/g' | sort -Vu | tail -1 > /opt/binary_glibc_dependency.txt