use $AOMP/include rather than hard coded directory for isystem in FLAGS tests
-OFFLOAD_DEBUG=1 flags.c -isystem/home/estewart/rocm/aomp/include -O2 -target ${AOMP_CPUTARGET} -fopenmp -fopenmp-targets=amdgcn-amd-amdhsa -Xopenmp-target=amdgcn-amd-amdhsa -march=AOMP_GPU_or_auto_detect
-flags.c -isystem/home/estewart/rocm/aomp/include -O2 -target ${AOMP_CPUTARGET} -fopenmp -fopenmp-targets=amdgcn-amd-amdhsa -Xopenmp-target=amdgcn-amd-amdhsa -march=AOMP_GPU_or_auto_detect
+OFFLOAD_DEBUG=1 flags.c -isystem${AOMP}/include -O2 -target ${AOMP_CPUTARGET} -fopenmp -fopenmp-targets=amdgcn-amd-amdhsa -Xopenmp-target=amdgcn-amd-amdhsa -march=AOMP_GPU_or_auto_detect
+flags.c -isystem${AOMP}/include -O2 -target ${AOMP_CPUTARGET} -fopenmp -fopenmp-targets=amdgcn-amd-amdhsa -Xopenmp-target=amdgcn-amd-amdhsa -march=AOMP_GPU_or_auto_detect
flags.c -target ${AOMP_CPUTARGET} -fopenmp -fopenmp-targets=amdgcn-amd-amdhsa -Xopenmp-target=amdgcn-amd-amdhsa -march=AOMP_GPU_or_auto_detect
flags.c -fopenmp -fopenmp-targets=amdgcn-amd-amdhsa -Xopenmp-target=amdgcn-amd-amdhsa -march=AOMP_GPU_or_auto_detect
flags.c -fopenmp -save-temps -target ${AOMP_CPUTARGET} -fopenmp-targets=${AOMP_CPUTARGET}
