compile error on SuSE Enterprise 11 SP4 - x86intrin.h: No such file or directory

[ds2k5]

make

cc -O2 -msse2 -c -o meltdown.o meltdown.c
meltdown.c:11:23: error: x86intrin.h: No such file or directory
meltdown.c: In function ‘main’:
meltdown.c:296: warning: incompatible implicit declaration of built-in function ‘exit’
make: *** [meltdown.o] Error 1

make CFLAGS=-DHAVE_RDTSCP=0 clean all

rm -f meltdown.o meltdown
cc -DHAVE_RDTSCP=0 -c -o meltdown.o meltdown.c
meltdown.c:11:23: error: x86intrin.h: No such file or directory
meltdown.c: In function ‘main’:
meltdown.c:296: warning: incompatible implicit declaration of built-in function ‘exit’
make: *** [meltdown.o] Error 1

gcc 4.3.4
GNU Make 3.81

[ds2k5]

Installed gcc-4.8 an did a manual compile

gcc-4.8 meltdown.c -o meltdown