Fix meson build default logic and update sm90 in README

Signed-off-by: Michal Shalev <[email protected]>

Author: michal-shalev

README.md

@@ -153,7 +153,7 @@ Common CUDA compute capabilities:
 - `compute_80,code=sm_80`: NVIDIA Ampere (A100, RTX 30xx)
 - `compute_86,code=sm_86`: NVIDIA Ampere (RTX 30xx consumer)
 - `compute_89,code=sm_89`: NVIDIA Ada Lovelace (RTX 40xx)
-- `compute_90,code=sm_90`: NVIDIA Hopper (H100)
+- `compute_90,code=sm_90`: NVIDIA Hopper (H100, H800, H200)
 
 ### Building Documentation
 

meson.build

@@ -92,22 +92,29 @@ if cuda_dep.found()
     cuda_args_option = get_option('cuda_args')
     cuda_link_args_option = get_option('cuda_link_args')
 
-    cuda_args = [
+    # Define default architectures
+    default_cuda_args = [
         '-gencode=arch=compute_80,code=sm_80',
         '-gencode=arch=compute_90,code=sm_90'
     ]
-    cuda_link_args = [
+    default_cuda_link_args = [
         '-gencode=arch=compute_80,code=sm_80',
         '-gencode=arch=compute_90,code=sm_90'
     ]
 
     # Apply defaults only if user hasn't specified custom args
     if cuda_args_option == []
+        cuda_args = default_cuda_args
         add_project_arguments(cuda_args, language: 'cuda')
+    else
+        cuda_args = []
     endif
 
     if cuda_link_args_option == []
+        cuda_link_args = default_cuda_link_args
         add_project_link_arguments(cuda_link_args, language: 'cuda')
+    else
+        cuda_link_args = []
     endif
 
     # Refer to https://mesonbuild.com/Cuda-module.html