use mold

Dockerfile

@@ -21,7 +21,7 @@ cp -r $(dirname $SCC_SETUP_ENV)/../../lib $(dirname $SCC_SETUP_ENV)/../../../spa
 . $(dirname $SCC_SETUP_ENV)/../../../spack/share/spack/setup-env.sh
 # Ensure generic targets for maximum matching with buildcaches
 spack config --scope site add "packages:all:require:["${SCC_TARGET}"]"
-$(dirname $SCC_SETUP_ENV)/init-default-compiler.sh "builtin.gcc@12.3.0 target=x86_64_v3 os=ubuntu22.04" "gcc@12.3.0%gcc@12.3.0+binutils" "gcc@12.3.0"
+$(dirname $SCC_SETUP_ENV)/init-default-compiler.sh "builtin.gcc@12.3.0 target=x86_64_v3 os=ubuntu22.04" "gcc@12.3.0%gcc@12.3.0+mold" "gcc@12.3.0"
 spack env create sccenv $(dirname $SCC_SETUP_ENV)/../../spack.yaml
 spack env activate -p sccenv
 spack install --fail-fast -y && spack gc -y && spack clean -ab

README.md

@@ -44,7 +44,7 @@ $(dirname $SCC_SETUP_ENV)/init-env.sh v0.23.0
 
 # 从 spack 官方镜像下载一个预编译的编译器，重新源码自编译一遍作为默认编译器
 # see <https://cache.spack.io/package/v0.23.0/gcc/specs/>
-$(dirname $SCC_SETUP_ENV)/init-default-compiler.sh "builtin.gcc@12.3.0 target=x86_64_v3 os=ubuntu22.04" "gcc@12.3.0%gcc@12.3.0+binutils" "gcc@12.3.0"
+$(dirname $SCC_SETUP_ENV)/init-default-compiler.sh "builtin.gcc@12.3.0 target=x86_64_v3 os=ubuntu22.04" "gcc@12.3.0%gcc@12.3.0+mold" "gcc@12.3.0"
 ```
 
 ### 集成进已有的 spack 环境