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GraphBLAS: Check if C standard function "system" can be used #836

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Jun 11, 2024
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GraphBLAS: Check if C standard function "system" can be used #836

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14 changes: 13 additions & 1 deletion GraphBLAS/cmake_modules/GraphBLAS_JIT_paths.cmake
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Original file line number Diff line number Diff line change
Expand Up @@ -43,8 +43,20 @@ if ( SUITESPARSE_HAS_CUDA AND GRAPHBLAS_USE_CUDA )
# set ( GRAPHBLAS_COMPACT on ) # FIXME
endif ( )

include ( CheckSymbolExists )
check_symbol_exists ( system "stdlib.h" HAVE_C_SYSTEM )

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

if ( GRAPHBLAS_USE_JIT AND NOT HAVE_C_SYSTEM )
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if ( SUITESPARSE_USE_STRICT )
message ( FATAL_ERROR "GRAPHBLAS CPU JIT cannot be built without support for the C standard function 'system'." )
else ( )
message ( STATUS "C standard function 'system' cannot be used. GRAPHBLAS CPU JIT will be disabled." )
set ( GRAPHBLAS_USE_JIT OFF CACHE BOOL "ON (default): use the CPU JIT. OFF: do not use the CPU JIT" FORCE )
endif ( )
endif ( )

if ( GRAPHBLAS_USE_JIT )
message ( STATUS "GraphBLAS CPU JIT: enabled")
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