dev-util/nvidia-cuda-toolkit: ebuild updates

Fix potential breakage from glibc-2.41 when using clang to compile cuda
code.
Use relative symlinks to link to host target.

Signed-off-by: Paul Zander <negril.nx+gentoo@gmail.com>
Part-of: https://github.com/gentoo/gentoo/pull/41967
Signed-off-by: Sam James <sam@gentoo.org>

dev-util/nvidia-cuda-toolkit/files/nvidia-cuda-toolkit-glibc-2.41-r1.patch

@@ -12,6 +12,16 @@ of
 
    extern double cospi (double __x) noexcept (true); extern double __cospi (double __x) noexcept (true);
 
+/opt/cuda-12.8.1/bin/../targets/x86_64-linux/include/crt/math_functions.hpp:2982:17: error: 'sinpi' is missing exception specification 'throw()'
+ 2982 | __func__(double sinpi(double a))
+      |                 ^
+      |                                  throw()
+/opt/cuda-12.8.1/bin/../targets/x86_64-linux/include/crt/func_macro.h:37:16: note: expanded from macro '__func__'
+   37 |         inline decl
+      |                ^
+/opt/cuda-12.8.1/bin/../targets/x86_64-linux/include/crt/math_functions.h:6006:17: note: previous declaration is here
+ 6006 | __func__(double sinpi(double a));
+
 See-Also: https://sourceware.org/git/?p=glibc.git;a=commit;h=0ae0af68d8fa3bf6cbe1e4f1de5929ff71de67b3
 Signed-off-by: Paul Zander <negril.nx@gmail.com>
 
@@ -67,6 +77,43 @@ index d8201f9..a9b19d4 100644
  /**
   * \ingroup CUDA_MATH_DOUBLE
   * \brief  Calculate the sine and cosine of the first input argument 
+diff --git a/builds/cuda_nvcc/targets/x86_64-linux/include/crt/math_functions.hpp b/builds/cuda_nvcc/targets/x86_64-linux/include/crt/math_functions.hpp
+index cc09b91..11eec71 100644
+--- a/builds/cuda_nvcc/targets/x86_64-linux/include/crt/math_functions.hpp
++++ b/builds/cuda_nvcc/targets/x86_64-linux/include/crt/math_functions.hpp
+@@ -2979,7 +2979,7 @@ __func__(double rcbrt(const double a))
+   return t;
+ }
+ 
+-__func__(double sinpi(double a))
++__func__(double sinpi(double a)) throw()
+ {
+   int n;
+ 
+@@ -3009,7 +3009,7 @@ __func__(double sinpi(double a))
+   return a;
+ }
+ 
+-__func__(double cospi(double a))
++__func__(double cospi(double a)) throw()
+ {
+   int n;
+ 
+@@ -3340,12 +3340,12 @@ __func__(float rcbrtf(const float a))
+   return static_cast<float>(rcbrt(static_cast<double>(a)));
+ }
+ 
+-__func__(float sinpif(const float a))
++__func__(float sinpif(const float a)) throw()
+ {
+   return static_cast<float>(sinpi(static_cast<double>(a)));
+ }
+ 
+-__func__(float cospif(const float a))
++__func__(float cospif(const float a)) throw()
+ {
+   return static_cast<float>(cospi(static_cast<double>(a)));
+ }
 -- 
 2.48.1
 

dev-util/nvidia-cuda-toolkit/nvidia-cuda-toolkit-12.6.3.ebuild

@@ -139,7 +139,7 @@ src_unpack() {
 		"builds/nvidia_fs"
 	)
 
-	edob -m "failed to extract ${A}" \
+	edob -m "Extracting ${A}" \
 		bash "${DISTDIR}/${A}" --tar xf -X <(printf "%s\n" "${exclude[@]}")
 }
 
@@ -279,8 +279,8 @@ src_install() {
 	fi
 
 	# Add include and lib symlinks
-	dosym "targets/${narch}-linux/include" "${CUDA_PATH}/include"
-	dosym "targets/${narch}-linux/lib" "${CUDA_PATH}/lib64"
+	dosym -r "${CUDA_PATH}/targets/${narch}-linux/include" "${CUDA_PATH}/include"
+	dosym -r "${CUDA_PATH}/targets/${narch}-linux/lib" "${CUDA_PATH}/lib64"
 
 	find "${ED}/${CUDA_PATH}" -empty -delete || die
 
@@ -321,7 +321,7 @@ src_install() {
 
 	# skip til cudnn has been changed #950207
 	# if [[ "${SLOT}" != "${PV}" ]]; then
-	# 	dosym "${CUDA_PATH}" "${CUDA_PATH%"-${PV}"}"
+	# 	dosym -r "${CUDA_PATH}" "${CUDA_PATH%"-${PV}"}"
 	# fi
 
 	fowners -R root:root "${CUDA_PATH}"

dev-util/nvidia-cuda-toolkit/nvidia-cuda-toolkit-12.8.1.ebuild

@@ -139,7 +139,7 @@ src_unpack() {
 		"builds/nvidia_fs"
 	)
 
-	edob -m "failed to extract ${A}" \
+	edob -m "Extracting ${A}" \
 		bash "${DISTDIR}/${A}" --tar xf -X <(printf "%s\n" "${exclude[@]}")
 }
 
@@ -279,8 +279,8 @@ src_install() {
 	fi
 
 	# Add include and lib symlinks
-	dosym "targets/${narch}-linux/include" "${CUDA_PATH}/include"
-	dosym "targets/${narch}-linux/lib" "${CUDA_PATH}/lib64"
+	dosym -r "${CUDA_PATH}/targets/${narch}-linux/include" "${CUDA_PATH}/include"
+	dosym -r "${CUDA_PATH}/targets/${narch}-linux/lib" "${CUDA_PATH}/lib64"
 
 	find "${ED}/${CUDA_PATH}" -empty -delete || die
 
@@ -321,7 +321,7 @@ src_install() {
 
 	# skip til cudnn has been changed #950207
 	# if [[ "${SLOT}" != "${PV}" ]]; then
-	# 	dosym "${CUDA_PATH}" "${CUDA_PATH%"-${PV}"}"
+	# 	dosym -r "${CUDA_PATH}" "${CUDA_PATH%"-${PV}"}"
 	# fi
 
 	fowners -R root:root "${CUDA_PATH}"