llvm-project/llvm/autoconf/m4/single_cxx_check.m4

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392 B
Plaintext

dnl
dnl AC_SINGLE_CXX_CHECK(CACHEVAR, FUNCTION, HEADER, PROGRAM)
dnl $1, $2, $3, $4,
AC_DEFUN([AC_SINGLE_CXX_CHECK],
[
AC_CACHE_CHECK([for $2 in $3], [$1],
[
AC_LANG_PUSH([C++])
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include ]][$3], [$4])],
[$1][[=yes]],
[$1][[=no]])
AC_LANG_POP([C++])
])
])