Create a new release build for linux_x64. (shader-slang#3989)

.github/workflows/dockerfiles/ubuntu-18.04-x64/Dockerfile

@@ -0,0 +1,15 @@
+FROM ubuntu:18.04
+RUN apt update
+RUN apt install -y software-properties-common wget git build-essential zip libx11-dev zlib1g-dev
+RUN add-apt-repository ppa:ubuntu-toolchain-r/test -y
+RUN apt update
+RUN apt install -y gcc-9 g++-9
+RUN update-alternatives \
+    --install /usr/bin/gcc gcc /usr/bin/gcc-9 100 \
+    --slave /usr/bin/g++ g++ /usr/bin/g++-9 \
+    --slave /usr/bin/gcc-ar gcc-ar /usr/bin/gcc-ar-9 \
+    --slave /usr/bin/gcc-nm gcc-nm /usr/bin/gcc-nm-9 \
+    --slave /usr/bin/gcc-ranlib gcc-ranlib /usr/bin/gcc-ranlib-9 \
+    --slave /usr/bin/gcov gcov /usr/bin/gcov-9 \
+    --slave /usr/bin/gcov-dump gcov-dump /usr/bin/gcov-dump-9 \
+    --slave /usr/bin/gcov-tool gcov-tool /usr/bin/gcov-tool-9

.github/workflows/release-linux-glibc-2-27.yml

@@ -0,0 +1,63 @@
+on:
+  push:
+    # Sequence of patterns matched against refs/tags
+    tags:
+    - 'v*' # Push events to matching v*, i.e. v1.0, v20.15.10
+
+name: Linux Release
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Check out the repo
+        uses: actions/checkout@v2
+        with:
+          submodules: 'true'
+          fetch-depth: '0'
+
+      - name: build docker image
+        run: docker build -t ubuntu-18.04-gcc-9 ./.github/workflows/dockerfiles/ubuntu-18.04-x64
+
+      # build the binary in docker image
+      - name: Run the build process with Docker
+        uses: addnab/docker-run-action@v3
+        with:
+            image: ubuntu-18.04-gcc-9
+            options: -v ${{ github.workspace }}:/home/app
+            run: |
+              cd /home/app
+              git config --global --add safe.directory /home/app
+              export CC=gcc
+              export CONFIGURATION=release
+              export ARCH=x64
+              export TARGETARCH=x64
+              export TARGETARCH=x64
+              export GLIBC_COMPATIBLE=1
+              /bin/bash ./github_build.sh
+
+      - name: CreatePackages
+        id: build
+        run: |
+            echo "creating binary archieves..."
+            export SLANG_OS_NAME=linux
+            export SLANG_ARCH_NAME=`uname -p`
+            export TAG_NAME=`git describe --tags`
+            export SLANG_TAG=${TAG_NAME#v}
+            echo "tag:$TAG_NAME"
+            echo "slang-tag:$SLANG_TAG"
+            export SLANG_BINARY_ARCHIVE=slang-${SLANG_TAG}-${SLANG_OS_NAME}-${SLANG_ARCH_NAME}-glibc-2.27.zip
+            export SLANG_BINARY_ARCHIVE_TAR=slang-${SLANG_TAG}-${SLANG_OS_NAME}-${SLANG_ARCH_NAME}-glibc-2.27.tar.gz
+            echo "creating zip"
+            zip -r ${SLANG_BINARY_ARCHIVE} bin/*/*/slangc bin/*/*/slangd bin/*/*/libslang.so bin/*/*/libslang-glslang.so bin/*/*/libgfx.so bin/*/*/libslang-llvm.so docs/*.md README.md LICENSE slang.h slang-com-helper.h slang-com-ptr.h slang-tag-version.h slang-gfx.h prelude/*.h
+            echo "creating tar"
+            tar -czf ${SLANG_BINARY_ARCHIVE_TAR} bin/*/*/slangc bin/*/*/slangd bin/*/*/libslang.so bin/*/*/libslang-glslang.so bin/*/*/libgfx.so bin/*/*/libslang-llvm.so docs/*.md README.md LICENSE slang.h slang-com-helper.h slang-com-ptr.h slang-tag-version.h slang-gfx.h prelude/*.h
+            echo "SLANG_BINARY_ARCHIVE=${SLANG_BINARY_ARCHIVE}" >> $GITHUB_OUTPUT
+            echo "SLANG_BINARY_ARCHIVE_TAR=${SLANG_BINARY_ARCHIVE_TAR}" >> $GITHUB_OUTPUT
+      - name: UploadBinary
+        uses: softprops/action-gh-release@v1
+        with:
+          files: |
+            ${{ steps.build.outputs.SLANG_BINARY_ARCHIVE }}
+            ${{ steps.build.outputs.SLANG_BINARY_ARCHIVE_TAR }}
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

deps/target-deps.json

@@ -23,6 +23,7 @@
                     "windows-x86_64" : { "type" : "url", "path" : "windows-x64-release.zip" },
                     "windows-x86" : { "type": "url", "path" : "windows-win32-release.zip" },
                     "linux-x86_64" : { "type": "url", "path" : "linux-x64-release.zip" },
+                    "linux-x86_64-glibc-2.27" : { "type": "url", "path" : "linux-x64-release-glibc-2.27.zip" },
                     "linux-x86" : { "type": "url", "path" : "linux-x86-release.zip" },
                     "macosx-x86_64" : { "type": "url", "path" : "macosx-x86_64-release.zip" },
                     "windows-aarch64" : { "type" : "url", "path" : "windows-aarch64-release.zip" }

github_build.sh

@@ -20,6 +20,10 @@ if [[ "aarch64" == "${TARGETARCH}"  && "release" == "${CONFIGURATION}" ]]; then
     glslangBuildFlag="--build-glslang=true"
 fi
 
+if [[ ! -z ${GLIBC_COMPATIBLE} ]]; then
+    glibcCompatible="--glibcForwardCompatible=true"
+fi
+
 if [[ "${ARCH}" != "${TARGETARCH}" ]]; then
 
 # Create the makefile
@@ -35,7 +39,7 @@ rm -rf ./bin
 
 else
 # Create the makefile
-./premake5 gmake2 --cc=${CC} --enable-embed-stdlib=true --arch=${TARGETARCH} --deps=true --no-progress=true ${glslangBuildFlag}
+./premake5 gmake2 --cc=${CC} --enable-embed-stdlib=true --arch=${TARGETARCH} --deps=true --no-progress=true ${glslangBuildFlag} ${glibcCompatible}
 fi
 
 # Build the configuration

premake5.lua

@@ -236,6 +236,14 @@ newoption {
     allowed     = { { "true", "True"}, { "false", "False" } }
 }
 
+newoption {
+    trigger     = "glibc-forward-compatible",
+    description = "(Optional) Build slang against older version of glibc (2.27) to be forward compatible with older systems",
+    value       = "bool",
+    default     = "false",
+    allowed     = { { "true", "True"}, { "false", "False" } }
+}
+
 buildLocation = _OPTIONS["build-location"]
 executeBinary = (_OPTIONS["execute-binary"] == "true")
 buildGlslang = (_OPTIONS["build-glslang"] == "true")
@@ -254,6 +262,7 @@ enableAsan = (_OPTIONS["enable-asan"] == "true")
 dxOnVk = (_OPTIONS["dx-on-vk"] == "true")
 enableAftermath = (_OPTIONS["enable-aftermath"] == "true")
 defaultSPIRVDirect = (_OPTIONS["default-spirv-direct"] == "true")
+glibcForwardCompatible = (_OPTIONS["glibc-forward-compatible"] == "true")
 
 -- If stdlib embedding is enabled, disable stdlib source embedding by default
 disableStdlibSource = enableEmbedStdLib
@@ -278,6 +287,10 @@ end
 
 targetInfo = slangUtil.getTargetInfo()
 
+printf("target name " .. targetInfo.name)
+if (targetInfo.name == "linux-x86_64") and (glibcForwardCompatible) then
+    targetInfo.name = targetInfo.name .. "-glibc-2.27"
+end
 --
 -- Update the dependencies for the target
 --