GPU (Haiku): add support

CMakeLists.txt

@@ -83,7 +83,7 @@ cmake_dependent_option(ENABLE_DIRECTX_HEADERS "Enable DirectX headers for WSL" O
 cmake_dependent_option(ENABLE_ELF "Enable libelf" ON "LINUX OR ANDROID OR DragonFly" OFF)
 cmake_dependent_option(ENABLE_THREADS "Enable multithreading" ON "Threads_FOUND" OFF)
 cmake_dependent_option(ENABLE_LIBZFS "Enable libzfs" ON "LINUX OR FreeBSD OR SunOS" OFF)
-cmake_dependent_option(ENABLE_PCIACCESS "Enable libpciaccess" ON "NetBSD OR OpenBSD OR SunOS" OFF)
+cmake_dependent_option(ENABLE_PCIACCESS "Enable libpciaccess" ON "NetBSD OR OpenBSD OR SunOS OR Haiku" OFF)
 
 option(ENABLE_SYSTEM_YYJSON "Use system provided (instead of fastfetch embedded) yyjson library" OFF)
 option(ENABLE_ASAN "Build fastfetch with ASAN (address sanitizer)" OFF)
@@ -1116,7 +1116,7 @@ elseif(Haiku)
         src/detection/diskio/diskio_nosupport.c
         src/detection/displayserver/displayserver_haiku.cpp
         src/detection/font/font_haiku.cpp
-        src/detection/gpu/gpu_nosupport.c
+        src/detection/gpu/gpu_general.c
         src/detection/gpu/gpu_pci.c
         src/detection/gtk_qt/gtk.c
         src/detection/host/host_nosupport.c

src/detection/gpu/gpu.h

@@ -48,6 +48,6 @@ const char* ffDetectGPUImpl(const FFGPUOptions* options, FFlist* gpus);
 
 const char* ffGPUGetVendorString(unsigned vendorId);
 
-#if defined(__linux__) || defined(__FreeBSD__) || defined(__sun) || defined(__NetBSD__) || defined(__OpenBSD__)
+#if defined(__linux__) || defined(__FreeBSD__) || defined(__sun) || defined(__NetBSD__) || defined(__OpenBSD__) || defined(__HAIKU__)
 void ffGPUFillVendorAndName(uint8_t subclass, uint16_t vendor, uint16_t device, FFGPUResult* gpu);
 #endif