fix(build): ignore compiler warnings (#462)

Author: ReenigneArcher

CMakeLists.txt

@@ -41,6 +41,20 @@ if(UNIX AND NOT APPLE)
     include(GNUInstallDirs)
 endif()
 
+set(EXTRA_COMPILE_FLAGS "-w" CACHE STRING "Extra compiler flags to use for all targets")
+set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${EXTRA_COMPILE_FLAGS}")
+set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${EXTRA_COMPILE_FLAGS}")
+
+# Set compiler the various targets that use make directly
+set(MAKE_COMPILER_FLAGS "CFLAGS='${CMAKE_C_FLAGS}' CXXFLAGS='${CMAKE_CXX_FLAGS}'")
+if(CMAKE_C_COMPILER)
+    set(MAKE_COMPILER_FLAGS "${MAKE_COMPILER_FLAGS} CC=${CMAKE_C_COMPILER}")
+endif()
+if(CMAKE_CXX_COMPILER)
+    set(MAKE_COMPILER_FLAGS "${MAKE_COMPILER_FLAGS} CXX=${CMAKE_CXX_COMPILER}")
+endif()
+message(STATUS "make compiler flags: ${MAKE_COMPILER_FLAGS}")
+
 # if PARALLEL_BUILDS is not defined, set it to the number of processors
 if(NOT DEFINED PARALLEL_BUILDS)
     include(ProcessorCount)

cmake/ffmpeg/nv_codec_headers.cmake

@@ -13,9 +13,9 @@ set(WORKING_DIR "${NV_CODEC_HEADERS_GENERATED_SRC_PATH}")
 UNIX_PATH(WORKING_DIR_UNIX ${WORKING_DIR})
 UNIX_PATH(DEST_DIR_UNIX ${CMAKE_CURRENT_BINARY_DIR})
 add_custom_target(nv-codec-headers ALL
-        COMMAND ${SHELL_CMD} "${MAKE_EXECUTABLE} --jobs=${N_PROC}"
+        COMMAND ${SHELL_CMD} "${MAKE_COMPILER_FLAGS} ${MAKE_EXECUTABLE} --jobs=${N_PROC}"
         # this will install the headers to the CMAKE_CURRENT_BINARY_DIR/usr/local
-        COMMAND ${SHELL_CMD} "DESTDIR=${DEST_DIR_UNIX} ${MAKE_EXECUTABLE} install"
+        COMMAND ${SHELL_CMD} "${MAKE_COMPILER_FLAGS} DESTDIR=${DEST_DIR_UNIX} ${MAKE_EXECUTABLE} install"
         WORKING_DIRECTORY ${WORKING_DIR}
         COMMENT "Target: nv-codec-headers"
         COMMAND_EXPAND_LISTS

cmake/ffmpeg/x264.cmake

@@ -43,27 +43,18 @@ endif()
 # configure command will only take the first argument if not converted to string
 string(REPLACE ";" " " FFMPEG_X264_EXTRA_CONFIGURE "${FFMPEG_X264_EXTRA_CONFIGURE}")
 
-# Set compiler for x264 configure script
-set(X264_COMPILER_FLAGS "")
-if(CMAKE_C_COMPILER)
-    set(X264_COMPILER_FLAGS "CC=${CMAKE_C_COMPILER}")
-endif()
-if(CMAKE_CXX_COMPILER)
-    set(X264_COMPILER_FLAGS "${X264_COMPILER_FLAGS} CXX=${CMAKE_CXX_COMPILER}")
-endif()
-
 # On Windows, the x264 submodule needs to have line endings converted to LF, see the README.md
 
 set(WORKING_DIR "${X264_GENERATED_SRC_PATH}")
 UNIX_PATH(WORKING_DIR_UNIX ${WORKING_DIR})
 add_custom_target(x264 ALL
-        COMMAND ${SHELL_CMD} "${X264_COMPILER_FLAGS} ./configure \
+        COMMAND ${SHELL_CMD} "${MAKE_COMPILER_FLAGS} ./configure \
 --prefix=${CMAKE_CURRENT_BINARY_DIR_UNIX}/x264 \
 --disable-cli \
 --enable-static \
 ${FFMPEG_X264_EXTRA_CONFIGURE}"
-        COMMAND ${SHELL_CMD} "${MAKE_EXECUTABLE} --jobs=${N_PROC}"
-        COMMAND ${SHELL_CMD} "${MAKE_EXECUTABLE} install"
+        COMMAND ${SHELL_CMD} "${MAKE_COMPILER_FLAGS} ${MAKE_EXECUTABLE} --jobs=${N_PROC}"
+        COMMAND ${SHELL_CMD} "${MAKE_COMPILER_FLAGS} ${MAKE_EXECUTABLE} install"
         WORKING_DIRECTORY ${WORKING_DIR}
         COMMENT "Target: x264"
         COMMAND_EXPAND_LISTS