fix cmake settings to work with gcc
fix cmake settings to work with gcc

FFIG/ffig,FFIG/ffig,jbcoe/C_API_generation,FFIG/ffig,jbcoe/C_API_generation,FFIG/ffig,FFIG/ffig,FFIG/ffig,FFIG/ffig,jbcoe/C_API_generation,FFIG/ffig,jbcoe/C_API_generation