From 1bc7c0daece11b36abebc48b9113193056289fe6 Mon Sep 17 00:00:00 2001 From: Thuy Tran Date: Tue, 17 Jul 2018 15:01:56 +0700 Subject: [PATCH] Silenced -Wcast-function-type, -Wsizeof-pointer-div and -Wstringop-truncation options of GCC 8.1 Current GFX source code will get compilation error with GCC 8.1, because it is defined in makefile to use -Wall to enable all Warnings check. -Wcast-function-type, -Wsizeof-pointer-div and -Wstringop-truncation are new Warnings from GCC 8. ===================================================================== * Error generated by -Wcast-function-type rogue_km/binary_r8a7796_linux_release/target_aarch64/kbuild/services/server/env/linux/module_common.c:43: kernel-source/include/linux/timer.h: In function 'timer_setup': error: cast between incompatible function types from 'void (*)(struct timer_list *)' to 'void (*)(long unsigned int)' [-Werror=cast-function-type] __setup_timer(timer, (TIMER_FUNC_TYPE)callback, ^ /ssd/thuy/FS2.6/M1/build_m3ulcb_mmp/tmp/work-shared/m3ulcb/kernel-source/include/linux/timer.h:144:25: note: in definition of macro '__setup_timer' (_timer)->function = (_fn); \ ^~~ ====================================================================== * Error generated by -Wsizeof-pointer-div rogue_km/binary_r8a7796_linux_release/target_aarch64/kbuild/services/server/env/linux/km_apphint.c:229:48: error: division 'sizeof (void *) / sizeof (void)' does not compute the number of array elements [-Werror=sizeof-pointer-div] #define APPHINT_HELP_ARRAY_SIZE(a) (sizeof((a))/(sizeof((a[0])))) ^ rogue_km/binary_r8a7796_linux_release/target_aarch64/kbuild/services/server/env/linux/km_apphint.c:233:49: note: in expansion of macro 'APPHINT_HELP_ARRAY_SIZE' {APPHINT_ID_ ## a, APPHINT_DATA_TYPE_ ## b, e, APPHINT_HELP_ARRAY_SIZE(e) }, ^~~~~~~~~~~~~~~~~~~~~~~ ====================================================================== * Error generated by -Wstringop-truncation rogue_km/binary_r8a7796_linux_release/target_aarch64/kbuild/services/server/devices/rgx/rgxfwutils.c:1294:2: error: 'strncat' output truncated before terminating nul copying 7 bytes from a string of the same length [-Werror=stringop-truncation] strncat(sCCBCtlName, sAppend, APPEND_STR_SIZE); ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ Signed-off-by: Thuy Tran --- build/linux/buildvars.mk | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/build/linux/buildvars.mk b/build/linux/buildvars.mk index a871d37..ddf12eb 100644 --- a/build/linux/buildvars.mk +++ b/build/linux/buildvars.mk @@ -51,7 +51,7 @@ # These flags are used for kernel, User C and User C++ # -COMMON_FLAGS := -W -Wall +COMMON_FLAGS := -W -Wall -Wno-cast-function-type -Wno-sizeof-pointer-div -Wno-stringop-truncation # Enable 64-bit file & memory handling on 32-bit systems. # -- 2.7.4