GPU (Linux): try fixing linking errors when dyamic linking is used

Fix #1295

Author: CarterLi

.github/workflows/ci.yml

@@ -35,7 +35,7 @@ jobs:
         run: uname -a
 
       - name: configure project
-        run: cmake -DSET_TWEAK=Off -DBUILD_TESTS=On -DCMAKE_INSTALL_PREFIX=/usr . -DENABLE_VULKAN=OFF -DENABLE_WAYLAND=OFF -DENABLE_XCB_RANDR=OFF -DENABLE_XCB=OFF -DENABLE_XRANDR=OFF -DENABLE_X11=OFF -DENABLE_DRM=OFF -DENABLE_GIO=OFF -DENABLE_DCONF=OFF -DENABLE_DBUS=OFF -DENABLE_XFCONF=OFF -DENABLE_SQLITE3=OFF -DENABLE_RPM=OFF -DENABLE_IMAGEMAGICK7=OFF -DENABLE_IMAGEMAGICK6=OFF -DENABLE_CHAFA=OFF -DENABLE_ZLIB=OFF -DENABLE_EGL=OFF -DENABLE_GLX=OFF -DENABLE_OSMESA=OFF -DENABLE_OPENCL=OFF -DENABLE_FREETYPE=OFF -DENABLE_PULSE=OFF -DENABLE_DDCUTIL=OFF -DENABLE_ELF=OFF -DENABLE_DIRECTX_HEADERS=OFF -DENABLE_THREADS=OFF
+        run: cmake -DSET_TWEAK=Off -DBUILD_TESTS=On -DCMAKE_INSTALL_PREFIX=/usr . -DENABLE_VULKAN=OFF -DENABLE_WAYLAND=OFF -DENABLE_XCB_RANDR=OFF -DENABLE_XCB=OFF -DENABLE_XRANDR=OFF -DENABLE_X11=OFF -DENABLE_DRM=OFF -DENABLE_DRM_AMDGPU=OFF -DENABLE_GIO=OFF -DENABLE_DCONF=OFF -DENABLE_DBUS=OFF -DENABLE_XFCONF=OFF -DENABLE_SQLITE3=OFF -DENABLE_RPM=OFF -DENABLE_IMAGEMAGICK7=OFF -DENABLE_IMAGEMAGICK6=OFF -DENABLE_CHAFA=OFF -DENABLE_ZLIB=OFF -DENABLE_EGL=OFF -DENABLE_GLX=OFF -DENABLE_OSMESA=OFF -DENABLE_OPENCL=OFF -DENABLE_FREETYPE=OFF -DENABLE_PULSE=OFF -DENABLE_DDCUTIL=OFF -DENABLE_ELF=OFF -DENABLE_DIRECTX_HEADERS=OFF -DENABLE_THREADS=OFF
 
       - name: build project
         run: cmake --build . --target package --verbose -j4

CMakeLists.txt

@@ -51,6 +51,7 @@ cmake_dependent_option(ENABLE_XCB "Enable xcb" ON "LINUX OR FreeBSD OR SunOS" OF
 cmake_dependent_option(ENABLE_XRANDR "Enable xrandr" ON "LINUX OR FreeBSD OR SunOS" OFF)
 cmake_dependent_option(ENABLE_X11 "Enable x11" ON "LINUX OR FreeBSD OR SunOS" OFF)
 cmake_dependent_option(ENABLE_DRM "Enable libdrm" ON "LINUX OR FreeBSD OR SunOS" OFF)
+cmake_dependent_option(ENABLE_DRM_AMDGPU "Enable libdrm_amdgpu" ON "LINUX" OFF)
 cmake_dependent_option(ENABLE_GIO "Enable gio-2.0" ON "LINUX OR FreeBSD OR SunOS" OFF)
 cmake_dependent_option(ENABLE_DCONF "Enable dconf" ON "LINUX OR FreeBSD OR SunOS" OFF)
 cmake_dependent_option(ENABLE_DBUS "Enable dbus-1" ON "LINUX OR FreeBSD OR SunOS" OFF)
@@ -1054,6 +1055,10 @@ ff_lib_enable(DRM
     "libdrm"
     "Libdrm"
 )
+ff_lib_enable(DRM_AMDGPU
+    "libdrm_amdgpu"
+    "Libdrm_Amdgpu"
+)
 ff_lib_enable(GIO
     "gio-2.0"
     "GIO"

src/common/init.c

@@ -191,6 +191,9 @@ void ffListFeatures(void)
         #if FF_HAVE_DRM
             "drm\n"
         #endif
+        #if FF_HAVE_DRM_AMDGPU
+            "drm_amdgpu\n"
+        #endif
         #if FF_HAVE_GIO
             "gio\n"
         #endif

src/detection/gpu/gpu_linux.c

@@ -9,7 +9,7 @@
 
 #include <inttypes.h>
 
-#ifdef FF_HAVE_DRM
+#ifdef FF_HAVE_DRM_AMDGPU
     #include <amdgpu.h>
     #include <amdgpu_drm.h>
     #include <fcntl.h>
@@ -73,8 +73,8 @@ static bool pciDetectDriver(FFstrbuf* result, FFstrbuf* pciDir, FFstrbuf* buffer
 
 static const char* drmDetectAmdSpecific(const FFGPUOptions* options, FFGPUResult* gpu, const char* drmKey, FFstrbuf* buffer)
 {
-    #if FF_HAVE_DRM
-    FF_LIBRARY_LOAD(libdrm, "dlopen libdrm_amdgpu" FF_LIBRARY_EXTENSION " failed", "libdrm_amdgpu" FF_LIBRARY_EXTENSION, 2)
+    #if FF_HAVE_DRM_AMDGPU
+    FF_LIBRARY_LOAD(libdrm, "dlopen libdrm_amdgpu" FF_LIBRARY_EXTENSION " failed", "libdrm_amdgpu" FF_LIBRARY_EXTENSION, 1)
     FF_LIBRARY_LOAD_SYMBOL_MESSAGE(libdrm, amdgpu_device_initialize)
     FF_LIBRARY_LOAD_SYMBOL_MESSAGE(libdrm, amdgpu_get_marketing_name)
     FF_LIBRARY_LOAD_SYMBOL_MESSAGE(libdrm, amdgpu_query_gpu_info)
@@ -135,6 +135,7 @@ static const char* drmDetectAmdSpecific(const FFGPUOptions* options, FFGPUResult
 
     return NULL;
     #else
+    FF_UNUSED(options, gpu, drmKey, buffer);
     return "Fastfetch is compiled without libdrm support";
     #endif
 }