build(linux): enable fedora 42

docs/getting_started.md

@@ -30,7 +30,9 @@ See [Docker](../DOCKER_README.md) for more information.
 
 CUDA is used for NVFBC capture.
 
-@tip{See [CUDA GPUS](https://developer.nvidia.com/cuda-gpus) to cross-reference Compute Capability to your GPU.}
+@tip{See [CUDA GPUS](https://developer.nvidia.com/cuda-gpus) to cross-reference Compute Capability to your GPU.
+The table below applies to packages provided by LizardByte. If you use an official LizardByte package then you do not
+need to install CUDA.}
 
 <table>
     <caption>CUDA Compatibility</caption>
@@ -55,7 +57,7 @@ CUDA is used for NVFBC capture.
     <tr>
         <td rowspan="1">12.0.0</td>
         <td rowspan="2">525.60.13</td>
-        <td rowspan="4">50;52;60;61;62;70;72;75;80;86;87;89;90</td>
+        <td rowspan="5">50;52;60;61;62;70;72;75;80;86;87;89;90</td>
         <td>sunshine-debian-bookworm-{arch}.deb</td>
     </tr>
     <tr>
@@ -68,7 +70,12 @@ CUDA is used for NVFBC capture.
         <td>sunshine_{arch}.flatpak</td>
     </tr>
     <tr>
-        <td>Sunshine (copr)</td>
+        <td>Sunshine (copr - Fedora 40/41)</td>
+    </tr>
+    <tr>
+        <td rowspan="1">12.8.1</td>
+        <td rowspan="1">570.124.06</td>
+        <td>Sunshine (copr - Fedora 42)</td>
     </tr>
 </table>
 

packaging/linux/fedora/Sunshine.spec

@@ -17,8 +17,6 @@ Source0: tarball.tar.gz
 
 # BuildRequires: boost-devel >= 1.86.0
 BuildRequires: cmake >= 3.25.0
-BuildRequires: gcc
-BuildRequires: gcc-c++
 BuildRequires: libayatana-appindicator3-devel
 BuildRequires: libcap-devel
 BuildRequires: libcurl-devel
@@ -54,11 +52,22 @@ BuildRequires: which
 BuildRequires: xorg-x11-server-Xvfb
 
 # Conditional BuildRequires for cuda-gcc based on Fedora version
-%if 0%{?fedora} >= 40
-# this package conflicts with gcc on f39
-BuildRequires: cuda-gcc-c++
+%if 0%{?fedora} >= 40 && 0%{?fedora} <= 41
+BuildRequires: gcc13
+BuildRequires: gcc13-c++
+%global gcc_version 13
+%global cuda_version 12.6.3
+%global cuda_build 560.35.05
+%elif %{?fedora} >= 42
+BuildRequires: gcc14
+BuildRequires: gcc14-c++
+%global gcc_version 14
+%global cuda_version 12.8.1
+%global cuda_build 570.124.06
 %endif
 
+%global cuda_dir %{_builddir}/cuda
+
 Requires: libcap >= 2.22
 Requires: libcurl >= 7.0
 Requires: libdrm > 2.4.97
@@ -88,20 +97,14 @@ ls -a %{_builddir}/Sunshine
 %autopatch -p1
 
 %build
+# exit on error
+set -e
+
 # Detect the architecture and Fedora version
 architecture=$(uname -m)
-fedora_version=%{fedora}
 
 cuda_supported_architectures=("x86_64" "aarch64")
 
-# set cuda_version based on Fedora version
-case "$fedora_version" in
-  *)
-    cuda_version="12.6.3"
-    cuda_build="560.35.05"
-    ;;
-esac
-
 # prepare CMAKE args
 cmake_args=(
   "-B=%{_builddir}/Sunshine/build"
@@ -121,27 +124,23 @@ cmake_args=(
   "-DSUNSHINE_PUBLISHER_ISSUE_URL=https://app.lizardbyte.dev/support"
 )
 
+export CC=gcc-%{gcc_version}
+export CXX=g++-%{gcc_version}
+
 function install_cuda() {
   # check if we need to install cuda
-  if [ -f "%{_builddir}/cuda/bin/nvcc" ]; then
+  if [ -f "%{cuda_dir}/bin/nvcc" ]; then
     echo "cuda already installed"
     return
   fi
 
-  if [ "$fedora_version" -ge 40 ]; then
-    # update environment variables for CUDA, necessary when using cuda-gcc-c++
-    export NVCC_PREPEND_FLAGS='-ccbin /usr/bin/g++-13'
-    export PATH=/usr/bin/cuda:"%{_builddir}/cuda/bin:${PATH}"
-    export LD_LIBRARY_PATH="%{_builddir}/cuda/lib64:${LD_LIBRARY_PATH}"
-  fi
-
   local cuda_prefix="https://developer.download.nvidia.com/compute/cuda/"
   local cuda_suffix=""
   if [ "$architecture" == "aarch64" ]; then
     local cuda_suffix="_sbsa"
   fi
 
-  local url="${cuda_prefix}${cuda_version}/local_installers/cuda_${cuda_version}_${cuda_build}_linux${cuda_suffix}.run"
+  local url="${cuda_prefix}%{cuda_version}/local_installers/cuda_%{cuda_version}_%{cuda_build}_linux${cuda_suffix}.run"
   echo "cuda url: ${url}"
   wget \
     "$url" \
@@ -157,23 +156,31 @@ function install_cuda() {
     --override \
     --silent \
     --toolkit \
-    --toolkitpath="%{_builddir}/cuda"
+    --toolkitpath="%{cuda_dir}"
   rm "%{_builddir}/cuda.run"
-}
 
-# we need to clear these flags to avoid linkage errors with cuda-gcc-c++
-export CFLAGS=""
-export CXXFLAGS=""
-export FFLAGS=""
-export FCFLAGS=""
-export LDFLAGS=""
-export CC=gcc-13
-export CXX=g++-13
+  # we need to patch math_functions.h on fedora 42
+  # see https://forums.developer.nvidia.com/t/error-exception-specification-is-incompatible-for-cospi-sinpi-cospif-sinpif-with-glibc-2-41/323591/3
+  if [ "%{?fedora}" -eq 42 ]; then
+    echo "Original math_functions.h:"
+    find "%{cuda_dir}" -name math_functions.h -exec cat {} \;
+
+    # Apply the patch
+    patch -p2 \
+      --backup \
+      --directory="%{cuda_dir}" \
+      --verbose \
+      < "%{_builddir}/Sunshine/packaging/linux/fedora/patches/f42/${architecture}/01-math_functions.patch"
+  fi
+}
 
-if [ -n "$cuda_version" ] && [[ " ${cuda_supported_architectures[@]} " =~ " ${architecture} " ]]; then
+if [ -n "%{cuda_version}" ] && [[ " ${cuda_supported_architectures[@]} " =~ " ${architecture} " ]]; then
   install_cuda
   cmake_args+=("-DSUNSHINE_ENABLE_CUDA=ON")
-  cmake_args+=("-DCMAKE_CUDA_COMPILER:PATH=%{_builddir}/cuda/bin/nvcc")
+  cmake_args+=("-DCMAKE_CUDA_COMPILER:PATH=%{cuda_dir}/bin/nvcc")
+  cmake_args+=("-DCMAKE_CUDA_HOST_COMPILER=gcc-%{gcc_version}")
+else
+  cmake_args+=("-DSUNSHINE_ENABLE_CUDA=OFF")
 fi
 
 # setup the version

packaging/linux/fedora/patches/f42/aarch64/01-math_functions.patch

@@ -0,0 +1,39 @@
+diff '--color=auto' -ur a/cuda/targets/sbsa-linux/include/crt/math_functions.h b/cuda/targets/sbsa-linux/include/crt/math_functions.h
+--- a/cuda/targets/sbsa-linux/include/crt/math_functions.h	2024-08-23 00:25:39.000000000 +0200
++++ b/cuda/targets/sbsa-linux/include/crt/math_functions.h	2025-02-17 01:19:44.270292640 +0100
+@@ -2553,7 +2553,7 @@
+  *
+  * \note_accuracy_double
+  */
+-extern __DEVICE_FUNCTIONS_DECL__ __device_builtin__ double                 sinpi(double x);
++extern __DEVICE_FUNCTIONS_DECL__ __device_builtin__ double                 sinpi(double x) noexcept (true);
+ /**
+  * \ingroup CUDA_MATH_SINGLE
+  * \brief Calculate the sine of the input argument
+@@ -2576,7 +2576,7 @@
+  *
+  * \note_accuracy_single
+  */
+-extern __DEVICE_FUNCTIONS_DECL__ __device_builtin__ float                  sinpif(float x);
++extern __DEVICE_FUNCTIONS_DECL__ __device_builtin__ float                  sinpif(float x) noexcept (true);
+ /**
+  * \ingroup CUDA_MATH_DOUBLE
+  * \brief Calculate the cosine of the input argument
+@@ -2598,7 +2598,7 @@
+  *
+  * \note_accuracy_double
+  */
+-extern __DEVICE_FUNCTIONS_DECL__ __device_builtin__ double                 cospi(double x);
++extern __DEVICE_FUNCTIONS_DECL__ __device_builtin__ double                 cospi(double x) noexcept (true);
+ /**
+  * \ingroup CUDA_MATH_SINGLE
+  * \brief Calculate the cosine of the input argument
+@@ -2620,7 +2620,7 @@
+  *
+  * \note_accuracy_single
+  */
+-extern __DEVICE_FUNCTIONS_DECL__ __device_builtin__ float                  cospif(float x);
++extern __DEVICE_FUNCTIONS_DECL__ __device_builtin__ float                  cospif(float x) noexcept (true);
+ /**
+  * \ingroup CUDA_MATH_DOUBLE
+  * \brief  Calculate the sine and cosine of the first input argument

packaging/linux/fedora/patches/f42/x86_64/01-math_functions.patch

@@ -0,0 +1,39 @@
+diff '--color=auto' -ur a/cuda/targets/x86_64-linux/include/crt/math_functions.h b/cuda/targets/x86_64-linux/include/crt/math_functions.h
+--- a/cuda/targets/x86_64-linux/include/crt/math_functions.h	2024-08-23 00:25:39.000000000 +0200
++++ b/cuda/targets/x86_64-linux/include/crt/math_functions.h	2025-02-17 01:19:44.270292640 +0100
+@@ -2553,7 +2553,7 @@
+  *
+  * \note_accuracy_double
+  */
+-extern __DEVICE_FUNCTIONS_DECL__ __device_builtin__ double                 sinpi(double x);
++extern __DEVICE_FUNCTIONS_DECL__ __device_builtin__ double                 sinpi(double x) noexcept (true);
+ /**
+  * \ingroup CUDA_MATH_SINGLE
+  * \brief Calculate the sine of the input argument
+@@ -2576,7 +2576,7 @@
+  *
+  * \note_accuracy_single
+  */
+-extern __DEVICE_FUNCTIONS_DECL__ __device_builtin__ float                  sinpif(float x);
++extern __DEVICE_FUNCTIONS_DECL__ __device_builtin__ float                  sinpif(float x) noexcept (true);
+ /**
+  * \ingroup CUDA_MATH_DOUBLE
+  * \brief Calculate the cosine of the input argument
+@@ -2598,7 +2598,7 @@
+  *
+  * \note_accuracy_double
+  */
+-extern __DEVICE_FUNCTIONS_DECL__ __device_builtin__ double                 cospi(double x);
++extern __DEVICE_FUNCTIONS_DECL__ __device_builtin__ double                 cospi(double x) noexcept (true);
+ /**
+  * \ingroup CUDA_MATH_SINGLE
+  * \brief Calculate the cosine of the input argument
+@@ -2620,7 +2620,7 @@
+  *
+  * \note_accuracy_single
+  */
+-extern __DEVICE_FUNCTIONS_DECL__ __device_builtin__ float                  cospif(float x);
++extern __DEVICE_FUNCTIONS_DECL__ __device_builtin__ float                  cospif(float x) noexcept (true);
+ /**
+  * \ingroup CUDA_MATH_DOUBLE
+  * \brief  Calculate the sine and cosine of the first input argument