Add mold linker to build images (#49)

This change adds https://github.com/rui314/mold/ to build images. It
will help us to build `rippled` faster.

Author: Bronek

.github/workflows/debian.yml

@@ -22,6 +22,7 @@ env:
   CONAN_VERSION: 2.19.1
   GCOVR_VERSION: 8.3
   CMAKE_VERSION: 3.31.6
+  MOLD_VERSION: 2.40.4
   FALLBACK_GCC: 12
   FALLBACK_CLANG: 16
 
@@ -155,6 +156,7 @@ jobs:
             GCC_VERSION=${{ matrix.os.compiler_name == 'gcc' && matrix.os.compiler_version || env.FALLBACK_GCC }}
             GCOVR_VERSION=${{ env.GCOVR_VERSION }}
             CMAKE_VERSION=${{ env.CMAKE_VERSION }}
+            MOLD_VERSION=${{ env.MOLD_VERSION }}
             DEBIAN_VERSION=${{ matrix.os.release }}
             BASE_IMAGE=${{ env.CONTAINER_IMAGE_GCC && format('{0}@{1}', env.CONTAINER_IMAGE_GCC, steps.build-gcc.outputs.digest) || format('gcc:{0}-{1}', matrix.os.compiler_version, matrix.os.release) }}
           context: .

.github/workflows/rhel.yml

@@ -23,6 +23,7 @@ env:
   CONAN_VERSION: 2.19.1
   GCOVR_VERSION: 8.3
   CMAKE_VERSION: 3.31.6
+  MOLD_VERSION: 2.40.4
 
 jobs:
   # Build the Docker image for Red Hat Enterprise Linux using different versions
@@ -115,6 +116,7 @@ jobs:
             GCC_VERSION=${{ matrix.os.compiler_version }}
             GCOVR_VERSION=${{ env.GCOVR_VERSION }}
             CMAKE_VERSION=${{ env.CMAKE_VERSION }}
+            MOLD_VERSION=${{ env.MOLD_VERSION }}
             RHEL_VERSION=${{ matrix.os.release }}
           context: .
           file: docker/rhel/Dockerfile

.github/workflows/ubuntu.yml

@@ -22,6 +22,7 @@ env:
   CONAN_VERSION: 2.19.1
   GCOVR_VERSION: 8.3
   CMAKE_VERSION: 3.31.6
+  MOLD_VERSION: 2.40.4
   FALLBACK_GCC: 12
   FALLBACK_CLANG: 16
 
@@ -111,6 +112,7 @@ jobs:
             GCC_VERSION=${{ matrix.os.compiler_name == 'gcc' && matrix.os.compiler_version || env.FALLBACK_GCC }}
             GCOVR_VERSION=${{ env.GCOVR_VERSION }}
             CMAKE_VERSION=${{ env.CMAKE_VERSION }}
+            MOLD_VERSION=${{ env.MOLD_VERSION }}
             UBUNTU_VERSION=${{ matrix.os.release }}
           context: .
           file: docker/ubuntu/Dockerfile

docker/debian/Dockerfile

@@ -46,6 +46,7 @@ pkgs+=(git)             # Required build tool.
 pkgs+=(gpg)             # Dependency for tools requiring signing or encrypting/decrypting.
 pkgs+=(gpg-agent)       # Dependency for tools requiring signing or encrypting/decrypting.
 pkgs+=(jq)              # JSON manipulation.
+pkgs+=(libatomic1)      # Required by mold linker.
 pkgs+=(libc6-dev)       # Required build tool.
 pkgs+=(ninja-build)     # Required build tool.
 pkgs+=(python3-venv)    # Python environment management tool.
@@ -71,6 +72,17 @@ RUN pip install --no-cache \
   gcovr==${GCOVR_VERSION} \
   cmake==${CMAKE_VERSION}
 
+# Install mold https://github.com/rui314/mold
+ARG MOLD_VERSION
+
+RUN <<EOF
+ARCH=$(uname -m)
+wget -O mold.tar.gz https://github.com/rui314/mold/releases/download/v${MOLD_VERSION}/mold-${MOLD_VERSION}-${ARCH}-linux.tar.gz
+tar -xzf mold.tar.gz --strip-components=1 -C /usr/local
+rm mold.tar.gz
+mold --version
+EOF
+
 # ====================== GCC IMAGE ======================
 FROM base AS gcc
 

docker/debian/README.md

@@ -69,6 +69,7 @@ GCC_VERSION=12
 CONAN_VERSION=2.19.1
 GCOVR_VERSION=8.3
 CMAKE_VERSION=3.31.6
+MOLD_VERSION=2.40.4
 CONTAINER_IMAGE=xrplf/ci/debian-${DEBIAN_VERSION}:gcc-${GCC_VERSION}
 
 docker buildx build . \
@@ -81,6 +82,7 @@ docker buildx build . \
   --build-arg GCC_VERSION=${GCC_VERSION} \
   --build-arg GCOVR_VERSION=${GCOVR_VERSION} \
   --build-arg CMAKE_VERSION=${CMAKE_VERSION} \
+  --build-arg MOLD_VERSION=${MOLD_VERSION} \
   --tag ${CONTAINER_REGISTRY}/${CONTAINER_IMAGE}
 ```
 
@@ -93,6 +95,7 @@ GCC_VERSION=12
 CONAN_VERSION=2.19.1
 GCOVR_VERSION=8.3
 CMAKE_VERSION=3.31.6
+MOLD_VERSION=2.40.4
 BASE_IMAGE=localhost.localdomain/gcc:12-bullseye
 CONTAINER_IMAGE=xrplf/ci/debian-${DEBIAN_VERSION}:gcc-${GCC_VERSION}
 
@@ -106,6 +109,7 @@ docker buildx build . \
   --build-arg GCC_VERSION=${GCC_VERSION} \
   --build-arg GCOVR_VERSION=${GCOVR_VERSION} \
   --build-arg CMAKE_VERSION=${CMAKE_VERSION} \
+  --build-arg MOLD_VERSION=${MOLD_VERSION} \
   --build-arg BASE_IMAGE=${BASE_IMAGE} \
   --tag ${CONTAINER_REGISTRY}/${CONTAINER_IMAGE}
 ```
@@ -121,6 +125,7 @@ CLANG_VERSION=17
 CONAN_VERSION=2.19.1
 GCOVR_VERSION=8.3
 CMAKE_VERSION=3.31.6
+MOLD_VERSION=2.40.4
 CONTAINER_IMAGE=xrplf/ci/debian-${DEBIAN_VERSION}:clang-${CLANG_VERSION}
 
 docker buildx build . \
@@ -133,6 +138,7 @@ docker buildx build . \
   --build-arg DEBIAN_VERSION=${DEBIAN_VERSION} \
   --build-arg GCOVR_VERSION=${GCOVR_VERSION} \
   --build-arg CMAKE_VERSION=${CMAKE_VERSION} \
+  --build-arg MOLD_VERSION=${MOLD_VERSION} \
   --tag ${CONTAINER_REGISTRY}/${CONTAINER_IMAGE}
 ```
 

docker/rhel/Dockerfile

@@ -1,5 +1,6 @@
 # ====================== BASE IMAGE ======================
 ARG RHEL_VERSION
+
 FROM registry.redhat.io/ubi${RHEL_VERSION%.*}/ubi:${RHEL_VERSION} AS base
 
 # Use Bash as the default shell for RUN commands, using the options
@@ -16,6 +17,7 @@ pkgs+=(git)               # Required build tool.
 pkgs+=(gpg)               # Dependency for tools requiring signing or encrypting/decrypting.
 pkgs+=(gnupg2)            # Dependency for tools requiring signing or encrypting/decrypting.
 pkgs+=(jq)                # JSON manipulation.
+pkgs+=(libatomic)         # Required by mold linker.
 pkgs+=(libstdc++-static)  # Required to statically link libraries into rippled.
 pkgs+=(ninja-build)       # Required build tool.
 pkgs+=(perl-FindBin)      # Required to compile OpenSSL.
@@ -63,6 +65,17 @@ RUN pip install --no-cache \
   gcovr==${GCOVR_VERSION} \
   cmake==${CMAKE_VERSION}
 
+# Install mold https://github.com/rui314/mold
+ARG MOLD_VERSION
+
+RUN <<EOF
+ARCH=$(uname -m)
+wget -O mold.tar.gz https://github.com/rui314/mold/releases/download/v${MOLD_VERSION}/mold-${MOLD_VERSION}-${ARCH}-linux.tar.gz
+tar -xzf mold.tar.gz --strip-components=1 -C /usr/local
+rm mold.tar.gz
+mold --version
+EOF
+
 # ====================== GCC IMAGE ======================
 FROM base AS gcc
 

docker/rhel/README.md

@@ -65,6 +65,7 @@ GCC_VERSION=13
 CONAN_VERSION=2.19.1
 GCOVR_VERSION=8.3
 CMAKE_VERSION=3.31.6
+MOLD_VERSION=2.40.4
 CONTAINER_IMAGE=xrplf/ci/rhel-${RHEL_VERSION}:gcc-${GCC_VERSION}
 
 docker buildx build . \
@@ -76,6 +77,7 @@ docker buildx build . \
   --build-arg GCC_VERSION=${GCC_VERSION} \
   --build-arg GCOVR_VERSION=${GCOVR_VERSION} \
   --build-arg CMAKE_VERSION=${CMAKE_VERSION} \
+  --build-arg MOLD_VERSION=${MOLD_VERSION} \
   --build-arg RHEL_VERSION=${RHEL_VERSION} \
   --tag ${CONTAINER_REGISTRY}/${CONTAINER_IMAGE}
 ```
@@ -90,6 +92,7 @@ RHEL_VERSION=9.6
 CONAN_VERSION=2.19.1
 GCOVR_VERSION=8.3
 CMAKE_VERSION=3.31.6
+MOLD_VERSION=2.40.4
 CONTAINER_IMAGE=xrplf/ci/rhel-${RHEL_VERSION}:clang-any
 
 docker buildx build . \
@@ -100,6 +103,7 @@ docker buildx build . \
   --build-arg CONAN_VERSION=${CONAN_VERSION} \
   --build-arg GCOVR_VERSION=${GCOVR_VERSION} \
   --build-arg CMAKE_VERSION=${CMAKE_VERSION} \
+  --build-arg MOLD_VERSION=${MOLD_VERSION} \
   --build-arg RHEL_VERSION=${RHEL_VERSION} \
   --tag ${CONTAINER_REGISTRY}/${CONTAINER_IMAGE}
 ```

docker/ubuntu/Dockerfile

@@ -33,6 +33,7 @@ pkgs+=(git)             # Required build tool.
 pkgs+=(gpg)             # Dependency for tools requiring signing or encrypting/decrypting.
 pkgs+=(gpg-agent)       # Dependency for tools requiring signing or encrypting/decrypting.
 pkgs+=(jq)              # JSON manipulation.
+pkgs+=(libatomic1)      # Required by mold linker.
 pkgs+=(libc6-dev)       # Required build tool.
 pkgs+=(ninja-build)     # Required build tool.
 pkgs+=(python3-venv)    # Python environment management tool.
@@ -58,6 +59,17 @@ RUN pip install --no-cache \
   gcovr==${GCOVR_VERSION} \
   cmake==${CMAKE_VERSION}
 
+# Install mold https://github.com/rui314/mold
+ARG MOLD_VERSION
+
+RUN <<EOF
+ARCH=$(uname -m)
+wget -O mold.tar.gz https://github.com/rui314/mold/releases/download/v${MOLD_VERSION}/mold-${MOLD_VERSION}-${ARCH}-linux.tar.gz
+tar -xzf mold.tar.gz --strip-components=1 -C /usr/local
+rm mold.tar.gz
+mold --version
+EOF
+
 # ====================== GCC IMAGE ======================
 FROM base AS gcc
 

docker/ubuntu/README.md

@@ -45,6 +45,7 @@ GCC_VERSION=14
 CONAN_VERSION=2.19.1
 GCOVR_VERSION=8.3
 CMAKE_VERSION=3.31.6
+MOLD_VERSION=2.40.4
 CONTAINER_IMAGE=xrplf/ci/ubuntu-${UBUNTU_VERSION}:gcc-${GCC_VERSION}
 
 docker buildx build . \
@@ -56,6 +57,7 @@ docker buildx build . \
   --build-arg GCC_VERSION=${GCC_VERSION} \
   --build-arg GCOVR_VERSION=${GCOVR_VERSION} \
   --build-arg CMAKE_VERSION=${CMAKE_VERSION} \
+  --build-arg MOLD_VERSION=${MOLD_VERSION} \
   --build-arg UBUNTU_VERSION=${UBUNTU_VERSION} \
   --tag ${CONTAINER_REGISTRY}/${CONTAINER_IMAGE}
 ```
@@ -71,6 +73,7 @@ CLANG_VERSION=18
 CONAN_VERSION=2.19.1
 GCOVR_VERSION=8.3
 CMAKE_VERSION=3.31.6
+MOLD_VERSION=2.40.4
 CONTAINER_IMAGE=xrplf/ci/ubuntu-${UBUNTU_VERSION}:clang-${CLANG_VERSION}
 
 docker buildx build . \
@@ -82,6 +85,7 @@ docker buildx build . \
   --build-arg CONAN_VERSION=${CONAN_VERSION} \
   --build-arg GCOVR_VERSION=${GCOVR_VERSION} \
   --build-arg CMAKE_VERSION=${CMAKE_VERSION} \
+  --build-arg MOLD_VERSION=${MOLD_VERSION} \
   --build-arg UBUNTU_VERSION=${UBUNTU_VERSION} \
   --tag ${CONTAINER_REGISTRY}/${CONTAINER_IMAGE}
 ```