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build(linux): explicitely set CC and CXX compilers #4325

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Merged
ReenigneArcher merged 5 commits into from
Oct 11, 2025
Merged

build(linux): explicitely set CC and CXX compilers #4325

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2beecac
build(linux): fix relative path errors
PVermeer Oct 9, 2025
0279b20
build(linux): in fedora explicitly set compilers for cmake
PVermeer Oct 9, 2025
16918a8
build(linux): cuda now builds in fedora
PVermeer Oct 9, 2025
699e834
build(linux): set compiler versions per distro
PVermeer Oct 10, 2025
20cec98
ci(linux): added compiler info to github env from build script
PVermeer Oct 11, 2025
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18 changes: 16 additions & 2 deletions scripts/linux_build.sh
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Original file line number Diff line number Diff line change
Expand Up @@ -340,6 +340,11 @@ function install_cuda() {
return
fi

local cuda_override_arg=""
if [ "$distro" == "fedora" ]; then
cuda_override_arg="--override"
fi

local cuda_prefix="https://developer.download.nvidia.com/compute/cuda/"
local cuda_suffix=""
if [ "$architecture" == "aarch64" ]; then
Expand Down Expand Up @@ -371,7 +376,7 @@ function install_cuda() {
echo "cuda url: ${url}"
wget "$url" --progress=bar:force:noscroll -q --show-progress -O "${build_dir}/cuda.run"
chmod a+x "${build_dir}/cuda.run"
"${build_dir}/cuda.run" --silent --toolkit --toolkitpath="${build_dir}/cuda" --no-opengl-libs --no-man-page --no-drm
"${build_dir}/cuda.run" --silent --toolkit --toolkitpath="${build_dir}/cuda" --no-opengl-libs --no-man-page --no-drm "$cuda_override_arg"
rm "${build_dir}/cuda.run"

# run cuda patches
Expand Down Expand Up @@ -455,6 +460,9 @@ function run_step_deps() {
if [ "$distro" == "arch" ]; then
export CC=gcc-14
export CXX=g++-14
elif [ "$distro" == "fedora" ]; then
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export CC=gcc-${gcc_version}
export CXX=g++-${gcc_version}
elif [ "$distro" == "debian" ] || [ "$distro" == "ubuntu" ]; then
for file in "${gcc_alternative_files[@]}"; do
file_path="/etc/alternatives/$file"
Expand Down Expand Up @@ -537,6 +545,11 @@ function run_step_cmake() {
nvcc_path=$(detect_nvcc_path)
fi

if [ "$distro" == "fedora" ]; then
export CC=gcc-${gcc_version}
export CXX=g++-${gcc_version}
fi

# prepare CMAKE args
cmake_args=(
"-B=build"
Expand Down Expand Up @@ -579,6 +592,7 @@ function run_step_cmake() {
cmake_args+=("-DSUNSHINE_ENABLE_CUDA=ON")
if [ -n "$nvcc_path" ]; then
cmake_args+=("-DCMAKE_CUDA_COMPILER:PATH=$nvcc_path")
cmake_args+=("-DCMAKE_CUDA_HOST_COMPILER=gcc-${gcc_version}")
fi
else
cmake_args+=("-DSUNSHINE_ENABLE_CUDA=OFF")
Expand Down Expand Up @@ -777,7 +791,7 @@ fi

# get directory of this script
script_dir="$( cd "$( dirname "${BASH_SOURCE[0]}" )" >/dev/null 2>&1 && pwd )"
build_dir="$script_dir/../build"
build_dir=$(readlink -f "$script_dir/../build")
echo "Script Directory: $script_dir"
echo "Build Directory: $build_dir"
mkdir -p "$build_dir"
Expand Down