-[AC_CACHE_CHECK([for $3 in $4], [$2],
- [AC_LANG_PUSH([C++])
- AC_COMPILE_IFELSE(AC_LANG_SOURCE([$5]),[$2=yes],[$2=no])
- AC_LANG_POP([C++])])
- if test "$$2" = "yes"
- then
- AC_DEFINE($1, 1, [Define to 1 if your compiler defines $3 in the $4
- header file.])
- fi])
+ [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++])])
+ ])