Replace our fftpack version with Numpy's version
[gromacs.git] / cmake / gmxTestRestrict.cmake
blobd2bc2b5b3c12aad96785c857bc8ddf789a621930
1 # - Define macro to check restrict keyword
3 #  GMX_TEST_RESTRICT(VARIABLE)
5 #  VARIABLE will be set to the keyword
7 #  Remember to have a cmakedefine for it too...
9 MACRO(GMX_TEST_RESTRICT VARIABLE)
10     IF(NOT DEFINED TEST_${VARIABLE})
12         MESSAGE(STATUS "Checking for restrict keyword")
14 # Start with __restrict__, since that is the C++ default keyword.
15         FOREACH(KEYWORD "__restrict__" "__restrict" "restrict")
16             IF(NOT TEST_${VARIABLE})
17                 TRY_COMPILE(TEST_${VARIABLE} "${CMAKE_BINARY_DIR}"    
18                             "${CMAKE_SOURCE_DIR}/cmake/TestRestrict.c"
19                             COMPILE_DEFINITIONS "-DTESTRESTRICTDEF=${KEYWORD}" )
20                 SET(CHK_RESTRICT_KEYWORD ${KEYWORD})
21             ENDIF(NOT TEST_${VARIABLE})
22         ENDFOREACH(KEYWORD)
23              
24         IF(TEST_${VARIABLE})
25             SET(${VARIABLE} ${KEYWORD})
26             MESSAGE(STATUS "Checking for restrict keyword - ${CHK_RESTRICT_KEYWORD}")
27         ELSE(TEST_${VARIABLE})
28             SET(${VARIABLE} " ")
29             MESSAGE(STATUS "Checking for restrict keyword - not found")
30         ENDIF(TEST_${VARIABLE})
32     ENDIF(NOT DEFINED TEST_${VARIABLE})        
33 ENDMACRO(GMX_TEST_RESTRICT VARIABLE)