cmake HAVE_C_SYSTEM examples

DrTimothyAldenDavis/GraphBLAS cmake_modules/GraphBLAS_JIT_paths.cmake :47 

check_symbol_exists ( system "stdlib.h" HAVE_C_SYSTEM )

DrTimothyAldenDavis/GraphBLAS cmake_modules/GraphBLAS_JIT_paths.cmake :50 

option ( GRAPHBLAS_USE_JIT "ON (default): use the CPU JIT.  OFF: do not use the CPU JIT" ${HAVE_C_SYSTEM} )

FalkorDB/FalkorDB deps/GraphBLAS/cmake_modules/GraphBLAS_JIT_paths.cmake :47 

check_symbol_exists ( system "stdlib.h" HAVE_C_SYSTEM )

FalkorDB/FalkorDB deps/GraphBLAS/cmake_modules/GraphBLAS_JIT_paths.cmake :50 

option ( GRAPHBLAS_USE_JIT "ON (default): use the CPU JIT.  OFF: do not use the CPU JIT" ${HAVE_C_SYSTEM} )

DrTimothyAldenDavis/SuiteSparse GraphBLAS/cmake_modules/GraphBLAS_JIT_paths.cmake :47 

check_symbol_exists ( system "stdlib.h" HAVE_C_SYSTEM )

DrTimothyAldenDavis/SuiteSparse GraphBLAS/cmake_modules/GraphBLAS_JIT_paths.cmake :50 

option ( GRAPHBLAS_USE_JIT "ON (default): use the CPU JIT.  OFF: do not use the CPU JIT" ${HAVE_C_SYSTEM} )