/home/teng/buildroot-at91/output/toolchain/gcc-4.7.2-intermediate/./gcc/xgcc -B/home/teng/buildroot-at91/output/toolchain/gcc-4.7.2-intermediate/./gcc/ -B/home/teng/buildroot-at91/output/host/usr/arm-buildroot-linux-uclibcgnueabi/bin/ -B/home/teng/buildroot-at91/output/host/usr/arm-buildroot-linux-uclibcgnueabi/lib/ -isystem /home/teng/buildroot-at91/output/host/usr/arm-buildroot-linux-uclibcgnueabi/include -isystem /home/teng/buildroot-at91/output/host/usr/arm-buildroot-linux-uclibcgnueabi/sys-include -g -Os -O2 -g -Os -DIN_GCC -DCROSS_DIRECTORY_STRUCTURE -W -Wall -Wno-narrowing -Wwrite-strings -Wcast-qual -Wstrict-prototypes -Wmissing-prototypes -Wold-style-definition -isystem ./include -fPIC -fno-inline -g -DIN_LIBGCC2 -fbuilding-libgcc -fno-stack-protector -fPIC -fno-inline -I. -I. -I../.././gcc -I/home/teng/buildroot-at91/output/toolchain/gcc-4.7.2/libgcc -I/home/teng/buildroot-at91/output/toolchain/gcc-4.7.2/libgcc/. -I/home/teng/buildroot-at91/output/toolchain/gcc-4.7.2/libgcc/../gcc -I/home/teng/buildroot-at91/output/toolchain/gcc-4.7.2/libgcc/../include -DHAVE_CC_TLS -o _powisf2.o -MT _powisf2.o -MD -MP -MF _powisf2.dep -DL_powisf2 -c /home/teng/buildroot-at91/output/toolchain/gcc-4.7.2/libgcc/libgcc2.c -fvisibility=hidden -DHIDE_EXPORTS /home/teng/buildroot-at91/output/toolchain/gcc-4.7.2-intermediate/./gcc/xgcc -B/home/teng/buildroot-at91/output/toolchain/gcc-4.7.2-intermediate/./gcc/ -B/home/teng/buildroot-at91/output/host/usr/arm-buildroot-linux-uclibcgnueabi/bin/ -B/home/teng/buildroot-at91/output/host/usr/arm-buildroot-linux-uclibcgnueabi/lib/ -isystem /home/teng/buildroot-at91/output/host/usr/arm-buildroot-linux-uclibcgnueabi/include -isystem /home/teng/buildroot-at91/output/host/usr/arm-buildroot-linux-uclibcgnueabi/sys-include -g -Os -O2 -g -Os -DIN_GCC -DCROSS_DIRECTORY_STRUCTURE -W -Wall -Wno-narrowing -Wwrite-strings -Wcast-qual -Wstrict-prototypes -Wmissing-prototypes -Wold-style-definition -isystem ./include -fPIC -fno-inline -g -DIN_LIBGCC2 -fbuilding-libgcc -fno-stack-protector -fPIC -fno-inline -I. -I. -I../.././gcc -I/home/teng/buildroot-at91/output/toolchain/gcc-4.7.2/libgcc -I/home/teng/buildroot-at91/output/toolchain/gcc-4.7.2/libgcc/. -I/home/teng/buildroot-at91/output/toolchain/gcc-4.7.2/libgcc/../gcc -I/home/teng/buildroot-at91/output/toolchain/gcc-4.7.2/libgcc/../include -DHAVE_CC_TLS -o _powidf2.o -MT _powidf2.o -MD -MP -MF _powidf2.dep -DL_powidf2 -c /home/teng/buildroot-at91/output/toolchain/gcc-4.7.2/libgcc/libgcc2.c -fvisibility=hidden -DHIDE_EXPORTS /home/teng/buildroot-at91/output/toolchain/gcc-4.7.2-intermediate/./gcc/xgcc -B/home/teng/buildroot-at91/output/toolchain/gcc-4.7.2-intermediate/./gcc/ -B/home/teng/buildroot-at91/output/host/usr/arm-buildroot-linux-uclibcgnueabi/bin/ -B/home/teng/buildroot-at91/output/host/usr/arm-buildroot-linux-uclibcgnueabi/lib/ -isystem /home/teng/buildroot-at91/output/host/usr/arm-buildroot-linux-uclibcgnueabi/include -isystem /home/teng/buildroot-at91/output/host/usr/arm-buildroot-linux-uclibcgnueabi/sys-include -g -Os -O2 -g -Os -DIN_GCC -DCROSS_DIRECTORY_STRUCTURE -W -Wall -Wno-narrowing -Wwrite-strings -Wcast-qual -Wstrict-prototypes -Wmissing-prototypes -Wold-style-definition -isystem ./include -fPIC -fno-inline -g -DIN_LIBGCC2 -fbuilding-libgcc -fno-stack-protector -fPIC -fno-inline -I. -I. -I../.././gcc -I/home/teng/buildroot-at91/output/toolchain/gcc-4.7.2/libgcc -I/home/teng/buildroot-at91/output/toolchain/gcc-4.7.2/libgcc/. -I/home/teng/buildroot-at91/output/toolchain/gcc-4.7.2/libgcc/../gcc -I/home/teng/buildroot-at91/output/toolchain/gcc-4.7.2/libgcc/../include -DHAVE_CC_TLS -o _powixf2.o -MT _powixf2.o -MD -MP -MF _powixf2.dep -DL_powixf2 -c /home/teng/buildroot-at91/output/toolchain/gcc-4.7.2/libgcc/libgcc2.c -fvisibility=hidden -DHIDE_EXPORTS /home/teng/buildroot-at91/output/toolchain/gcc-4.7.2-intermediate/./gcc/xgcc -B/home/teng/buildroot-at91/output/toolchain/gcc-4.7.2-intermediate/./gcc/ -B/home/teng/buildroot-at91/output/host/usr/arm-buildroot-linux-uclibcgnueabi/bin/ -B/home/teng/buildroot-at91/output/host/usr/arm-buildroot-linux-uclibcgnueabi/lib/ -isystem /home/teng/buildroot-at91/output/host/usr/arm-buildroot-linux-uclibcgnueabi/include -isystem /home/teng/buildroot-at91/output/host/usr/arm-buildroot-linux-uclibcgnueabi/sys-include -g -Os -O2 -g -Os -DIN_GCC -DCROSS_DIRECTORY_STRUCTURE -W -Wall -Wno-narrowing -Wwrite-strings -Wcast-qual -Wstrict-prototypes -Wmissing-prototypes -Wold-style-definition -isystem ./include -fPIC -fno-inline -g -DIN_LIBGCC2 -fbuilding-libgcc -fno-stack-protector -fPIC -fno-inline -I. -I. -I../.././gcc -I/home/teng/buildroot-at91/output/toolchain/gcc-4.7.2/libgcc -I/home/teng/buildroot-at91/output/toolchain/gcc-4.7.2/libgcc/. -I/home/teng/buildroot-at91/output/toolchain/gcc-4.7.2/libgcc/../gcc -I/home/teng/buildroot-at91/output/toolchain/gcc-4.7.2/libgcc/../include -DHAVE_CC_TLS -o _powitf2.o -MT _powitf2.o -MD -MP -MF _powitf2.dep -DL_powitf2 -c /home/teng/buildroot-at91/output/toolchain/gcc-4.7.2/libgcc/libgcc2.c -fvisibility=hidden -DHIDE_EXPORTS /home/teng/buildroot-at91/output/toolchain/gcc-4.7.2/libgcc/libgcc2.c: In function '__subvdi3':/home/teng/buildroot-at91/output/toolchain/gcc-4.7.2/libgcc/libgcc2.c: In function '__negvdi2':/home/teng/buildroot-at91/output/toolchain/gcc-4.7.2/libgcc/libgcc2.c: In function '__absvdi2':/home/teng/buildroot-at91/output/toolchain/gcc-4.7.2/libgcc/libgcc2.c: In function '__addvdi3': /home/teng/buildroot-at91/output/toolchain/gcc-4.7.2/libgcc/libgcc2.c:111:1: internal compiler error: Segmentation fault Please submit a full bug report, with preprocessed source if appropriate. See <http://bugs.buildroot.net/> for instructions. make[2]: *** [_addvdi3.o] Error 1 make[2]: *** Waiting for unfinished jobs.... /home/teng/buildroot-at91/output/toolchain/gcc-4.7.2/libgcc/libgcc2.c:149:1: internal compiler error: Segmentation fault Please submit a full bug report, with preprocessed source if appropriate. See <http://bugs.buildroot.net/> for instructions. make[2]: *** [_subvdi3.o] Error 1 /home/teng/buildroot-at91/output/toolchain/gcc-4.7.2/libgcc/libgcc2.c:273:1: internal compiler error: Segmentation fault Please submit a full bug report, with preprocessed source if appropriate. See <http://bugs.buildroot.net/> for instructions. make[2]: *** [_absvdi2.o] Error 1 /home/teng/buildroot-at91/output/toolchain/gcc-4.7.2/libgcc/libgcc2.c:214:1: internal compiler error: Segmentation fault Please submit a full bug report, with preprocessed source if appropriate. See <http://bugs.buildroot.net/> for instructions. make[2]: *** [_negvdi2.o] Error 1 /home/teng/buildroot-at91/output/toolchain/gcc-4.7.2/libgcc/libgcc2.c: In function '__mulvsi3': /home/teng/buildroot-at91/output/toolchain/gcc-4.7.2/libgcc/libgcc2.c:162:1: internal compiler error: Segmentation fault Please submit a full bug report, with preprocessed source if appropriate. See <http://bugs.buildroot.net/> for instructions. make[2]: *** [_mulvsi3.o] Error 1 /home/teng/buildroot-at91/output/toolchain/gcc-4.7.2/libgcc/libgcc2.c: In function '__powidf2': /home/teng/buildroot-at91/output/toolchain/gcc-4.7.2/libgcc/libgcc2.c:1779:1: internal compiler error: Segmentation fault Please submit a full bug report, with preprocessed source if appropriate. See <http://bugs.buildroot.net/> for instructions. make[2]: *** [_powidf2.o] Error 1 /home/teng/buildroot-at91/output/toolchain/gcc-4.7.2/libgcc/libgcc2.c: In function '__mulvdi3': /home/teng/buildroot-at91/output/toolchain/gcc-4.7.2/libgcc/libgcc2.c:397:1: internal compiler error: Segmentation fault Please submit a full bug report, with preprocessed source if appropriate. See <http://bugs.buildroot.net/> for instructions. make[2]: *** [_mulvdi3.o] Error 1 /home/teng/buildroot-at91/output/toolchain/gcc-4.7.2/libgcc/libgcc2.c: In function '__popcountdi2': /home/teng/buildroot-at91/output/toolchain/gcc-4.7.2/libgcc/libgcc2.c:849:1: internal compiler error: Segmentation fault Please submit a full bug report, with preprocessed source if appropriate. See <http://bugs.buildroot.net/> for instructions. make[2]: *** [_popcountdi2.o] Error 1 make[2]: Leaving directory `/home/teng/buildroot-at91/output/toolchain/gcc-4.7.2-intermediate/arm-buildroot-linux-uclibcgnueabi/libgcc' make[1]: *** [all-target-libgcc] Error 2 make[1]: Leaving directory `/home/teng/buildroot-at91/output/toolchain/gcc-4.7.2-intermediate' make: *** [/home/teng/buildroot-at91/output/toolchain/gcc-4.7.2-intermediate/.compiled] Error 2
Which Buildroot version are you using? If you're using the Buildroot from https://github.com/linux4sam/buildroot-at91, then this Buildroot is a fork from Atmel, and the Buildroot community cannot provide support for this fork. This bug tracker is for bugs on the official Buildroot version, available from http://buildroot.org. Can you confirm which Buildroot version you're using?
The bug reporter never gave additional informations about which Buildroot version is being used, and specifically if an Atmel-special version was used. Therefore I'm closing this bug. Do not hesitate to reopen it with more details if needed.