remove old system nvml build option

Signed-off-by: Stephan Lachnit <stephanlachnit@protonmail.com>

meson.build

@@ -207,11 +207,5 @@ elif sizeof_ptr == 4
   pre_args += '-DMANGOHUD_ARCH="32bit"'
 endif
 
-if get_option('use_system_nvml')
-  cpp_nvml_args = '-DUSE_SYSTEM_NVML'
-else
-  cpp_nvml_args = []
-endif
-
 subdir('modules/ImGui')
 subdir('src')

meson_options.txt

@@ -1,6 +1,5 @@
 option('glibcxx_asserts', type : 'boolean', value : false)
 option('use_system_vulkan', type : 'feature', value : 'disabled', description: 'Use system vulkan headers instead of the provided ones')
-option('use_system_nvml', type : 'boolean', value : false, description : 'Use system nvml headers instead of the provided ones')
 option('mangohud_prefix', type : 'string', value : '', description: 'Add prefix to cross-compiled library, like "lib32-".')
 option('append_libdir_mangohud', type : 'boolean', value : true, description: 'Append "mangohud" to libdir path or not.')
 option('include_doc', type : 'boolean', value : true, description: 'Include the example config')

src/meson.build

@@ -52,6 +52,7 @@ if get_option('with_nvml') == 'system'
   if not nvml_h_found
     error('nvml.h was not found. Disable with \'-Dwith_nvml=disabled\' if gpu stats by NVML is not needed.')
   endif
+  pre_args += '-DUSE_SYSTEM_NVML'
 endif
 
 if nvml_h_found
@@ -119,7 +120,6 @@ vklayer_mesa_overlay = shared_library(
   cpp_args : [
     pre_args,
     cpp_vis_args,
-    cpp_nvml_args,
     vulkan_wsi_args
     ],
   dependencies : [