Update libva build for FreeBSD and add Wayland support

Removes unused LIBVA_MAKE_ENV variable and adds --disable-dependency-tracking for FreeBSD to address make/gmake compatibility. Also includes libva-wayland.a in the build outputs.

Author: ReenigneArcher

cmake/ffmpeg/libva.cmake

@@ -14,8 +14,6 @@ endif()
 set(WORKING_DIR "${LIBVA_GENERATED_SRC_PATH}")
 UNIX_PATH(WORKING_DIR_UNIX ${WORKING_DIR})
 
-set(LIBVA_MAKE_ENV "MAKE=${MAKE_EXECUTABLE}")
-
 # Configure options for libva
 list(APPEND LIBVA_EXTRA_CONFIGURE
         --prefix=${CMAKE_CURRENT_BINARY_DIR_UNIX}/libva
@@ -28,6 +26,11 @@ list(APPEND LIBVA_EXTRA_CONFIGURE
         --without-legacy
 )
 
+# On FreeBSD, disable dependency tracking to avoid gmake/make compatibility issues
+if(FREEBSD)
+    list(APPEND LIBVA_EXTRA_CONFIGURE --disable-dependency-tracking)
+endif()
+
 if(CMAKE_CROSSCOMPILING)
     set(LIBVA_EXTRA_CONFIGURE
             ${LIBVA_EXTRA_CONFIGURE}
@@ -40,7 +43,7 @@ endif()
 string(REPLACE ";" " " LIBVA_EXTRA_CONFIGURE "${LIBVA_EXTRA_CONFIGURE}")
 
 add_custom_target(libva ALL
-        COMMAND ${SHELL_CMD} "${MAKE_COMPILER_FLAGS} ${LIBVA_MAKE_ENV} ./autogen.sh ${LIBVA_EXTRA_CONFIGURE}"
+        COMMAND ${SHELL_CMD} "${MAKE_COMPILER_FLAGS} ./autogen.sh ${LIBVA_EXTRA_CONFIGURE}"
         COMMAND ${SHELL_CMD} "${MAKE_COMPILER_FLAGS} ${MAKE_EXECUTABLE} --jobs=${N_PROC}"
         COMMAND ${SHELL_CMD} "${MAKE_COMPILER_FLAGS} ${MAKE_EXECUTABLE} install"
         WORKING_DIRECTORY ${WORKING_DIR}
@@ -53,6 +56,7 @@ add_custom_target(libva ALL
             "${CMAKE_CURRENT_BINARY_DIR}/libva/lib/libva-drm.a"
             "${CMAKE_CURRENT_BINARY_DIR}/libva/lib/libva-x11.a"
             "${CMAKE_CURRENT_BINARY_DIR}/libva/lib/libva-glx.a"
+            "${CMAKE_CURRENT_BINARY_DIR}/libva/lib/libva-wayland.a"
 )
 add_dependencies(${CMAKE_PROJECT_NAME} libva)