Error Ubuntu 19.10 compilation [-Werror=format-truncation=]

[josephmoresena]

I'm trying to compile ESIF_UF on Ubuntu 19.10 treated at Step 6 but I'm getting this error.
++++ ++++ ESIF_UF x64 Release Linux GMIN=1 ++++ gcc -c -Wno-multichar -Werror -fPIE -fPIC -O2 -D_FORTIFY_SOURCE=2 -Wformat -Wformat-security -fno-strict-overflow -fno-delete-null-pointer-checks -fwrapv -fstack-protector-strong -m64 -I../../ESIF_UF/Sources -I../../ESIF_CM/Sources -I../../ESIF_LIB/Sources -I../../../../Common -DESIF_ATTR_USER -DESIF_ATTR_DAEMON -DESIF_FEAT_OPT_COMPRESS -DESIF_ATTR_OS_LINUX -DESIF_ATTR_OS_LINUX_HAVE_READLINE -std=gnu99 -DESIF_FEAT_OPT_ACTION_SYSFS -o ../../ESIF_UF/Sources/lin/esif_uf_action_sysfs_os_lin.o ../../ESIF_UF/Sources/lin/esif_uf_action_sysfs_os_lin.c In file included from ../../../../Common/esif_ccb_string.h:72, from ../../../../Common/esif_ccb_library_lin_user.h:28, from ../../../../Common/esif_ccb_library.h:28, from ../../ESIF_CM/Sources/esif.h:194, from ../../ESIF_UF/Sources/esif_uf.h:22, from ../../ESIF_UF/Sources/lin/esif_uf_action_sysfs_os_lin.c:23: ../../ESIF_UF/Sources/lin/esif_uf_action_sysfs_os_lin.c: In function ‘ActionSysfsGet’: ../../../../Common/esif_ccb_string_lin_user.h:83:48: error: ‘%s’ directive output may be truncated writing up to 537 bytes into a region of size between 0 and 537 [-Werror=format-truncation=] 83 | #define esif_ccb_sprintf(siz, str, fmt, ...) esif_ccb_sprintf_len(siz, snprintf(str, siz, fmt, ##__VA_ARGS__)) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../../ESIF_UF/Sources/lin/esif_uf_action_sysfs_os_lin.c:1340:2: note: in expansion of macro ‘esif_ccb_sprintf’ 1340 | esif_ccb_sprintf(MAX_SYSFS_PATH, cur_path, "%s/%s/power_limits", path, node); | ^~~~~~~~~~~~~~~~ In file included from /usr/include/stdio.h:867, from ../../../../Common/esif_ccb.h:90, from ../../../../Common/esif_sdk.h:56, from ../../ESIF_CM/Sources/esif.h:56, from ../../ESIF_UF/Sources/esif_uf.h:22, from ../../ESIF_UF/Sources/lin/esif_uf_action_sysfs_os_lin.c:23: /usr/include/x86_64-linux-gnu/bits/stdio2.h:67:10: note: ‘__builtin___snprintf_chk’ output between 15 and 1089 bytes into a destination of size 538 67 | return __builtin___snprintf_chk (__s, __n, __USE_FORTIFY_LEVEL - 1, | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 68 | __bos (__s), __fmt, __va_arg_pack ()); | ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ cc1: all warnings being treated as errors make: *** [Makefile:190: ../../ESIF_UF/Sources/lin/esif_uf_action_sysfs_os_lin.o] Error 1

Searching into this repo I found that this error was fixed for Ubuntu 18.04 in f6983da but I'm still getting it on Ubuntu 19.10

[bbian]

We are still on Ubuntu 18.04/GCC 7.4.0 so did not face this issue. We will fix this issue once we move to the next LTS 20.04. For now please add this line to ESIF/Products/ESIF_UF/Linux/Makefile, line 53 to disable this compiler warning:

CFLAGS += -Wno-format-truncation