1*4882a593SmuzhiyunFrom 25fc567ba8a0cd199e48bfa82863247d953784ea Mon Sep 17 00:00:00 2001 2*4882a593SmuzhiyunFrom: Fabrice Fontaine <fontaine.fabrice@gmail.com> 3*4882a593SmuzhiyunDate: Sun, 30 Aug 2020 20:59:29 +0200 4*4882a593SmuzhiyunSubject: [PATCH] Makefile: add -fno-builtin 5*4882a593Smuzhiyun 6*4882a593SmuzhiyunBuild with gcc 10 fails on: 7*4882a593Smuzhiyun 8*4882a593Smuzhiyun/srv/storage/autobuild/run/instance-2/output-1/host/lib/gcc/arm-buildroot-linux-gnueabihf/10.2.0/../../../../arm-buildroot-linux-gnueabihf/bin/ld: src/foundation/startup.o: in function `reset_handler': 9*4882a593Smuzhiyun/srv/storage/autobuild/run/instance-2/output-1/build/am33x-cm3-11107db2f1e9e58ee75d4fe9cc38423c9a6e4365/src/foundation/startup.c:177: undefined reference to `memcpy' 10*4882a593Smuzhiyun 11*4882a593SmuzhiyunThis is due to the fact that gcc 10 replaces the following statement by 12*4882a593Smuzhiyuna memcpy call: 13*4882a593Smuzhiyun 14*4882a593Smuzhiyun*puldest++ = *pulsrc++; 15*4882a593Smuzhiyun 16*4882a593SmuzhiyunTo fix this build failure, add -fno-builtin 17*4882a593Smuzhiyun 18*4882a593SmuzhiyunFixes: 19*4882a593Smuzhiyun - http://autobuild.buildroot.org/results/a991e6efa012df518ff1bb35017ad2c96c8feedc 20*4882a593Smuzhiyun 21*4882a593SmuzhiyunSigned-off-by: Fabrice Fontaine <fontaine.fabrice@gmail.com> 22*4882a593Smuzhiyun--- 23*4882a593Smuzhiyun Makefile | 2 +- 24*4882a593Smuzhiyun 1 file changed, 1 insertion(+), 1 deletion(-) 25*4882a593Smuzhiyun 26*4882a593Smuzhiyundiff --git a/Makefile b/Makefile 27*4882a593Smuzhiyunindex fe3d844..fa24d4b 100644 28*4882a593Smuzhiyun--- a/Makefile 29*4882a593Smuzhiyun+++ b/Makefile 30*4882a593Smuzhiyun@@ -17,7 +17,7 @@ CFLAGS =-march=armv7-m -mcpu=cortex-m3 -mthumb -nostdlib -Wall -Wundef \ 31*4882a593Smuzhiyun -Werror-implicit-function-declaration -Wstrict-prototypes \ 32*4882a593Smuzhiyun -Wdeclaration-after-statement -fno-delete-null-pointer-checks \ 33*4882a593Smuzhiyun -Wempty-body -fno-strict-overflow -fno-stack-protector \ 34*4882a593Smuzhiyun- -fno-pie -g -I$(INCLUDES) -O2 35*4882a593Smuzhiyun+ -fno-pie -fno-builtin -g -I$(INCLUDES) -O2 36*4882a593Smuzhiyun LDFLAGS =-nostartfiles -fno-exceptions -Tfirmware.ld 37*4882a593Smuzhiyun 38*4882a593Smuzhiyun EXECUTABLE=am335x-pm-firmware.elf 39*4882a593Smuzhiyun-- 40*4882a593Smuzhiyun2.28.0 41*4882a593Smuzhiyun 42