/3rd_party/llvm/autoconf/m4/single_cxx_check.m4

https://code.google.com/p/softart/ · m4 · 16 lines · 14 code · 2 blank · 0 comment · 0 complexity · 7324f955ac95b8bfca85e28cb6234cd9 MD5 · raw file 

    

  1. dnl
    2. 

  2. dnl AC_SINGLE_CXX_CHECK(CACHEVAR, FUNCTION, HEADER, PROGRAM)
    3. 

  3. dnl                     $1,       $2,       $3,     $4,
    4. 

  4. 

  5. AC_DEFUN([AC_SINGLE_CXX_CHECK],
    6. 

  6. [
    7. 

  7.   AC_CACHE_CHECK([for $2 in $3], [$1],
    8. 

  8.   [
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  9.     AC_LANG_PUSH([C++])
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  10.     AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include ]][$3], [$4])],
    11. 

  11.                       [$1][[=yes]],
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  12.                       [$1][[=no]])
    13. 

  13.     AC_LANG_POP([C++])
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  14.   ])
    15. 

  15. ])
    16.