check-type.m4 725 B

12345678910111213141516171819202122232425262728
  1. dnl SYLPHEED_CHECK_TYPE(TYPE, DEFAULT [, INCLUDES, COMMENT])
  2. dnl
  3. dnl Like AC_CHECK_TYPE, but in addition to `sys/types.h', `stdlib.h' and
  4. dnl `stddef.h' checks files included by INCLUDES, which should be a
  5. dnl series of #include statements. If TYPE is not defined, define it
  6. dnl to DEFAULT.
  7. dnl
  8. AC_DEFUN([SYLPHEED_CHECK_TYPE],
  9. [AC_REQUIRE([AC_HEADER_STDC])dnl
  10. AC_MSG_CHECKING(for $1)
  11. AC_CACHE_VAL(sylpheed_cv_type_$1,
  12. [AC_TRY_COMPILE([
  13. #include <sys/types.h>
  14. #if STDC_HEADERS
  15. #include <stdlib.h>
  16. #include <stddef.h>
  17. #endif
  18. $3
  19. ], [
  20. #undef $1
  21. int a = sizeof($1);
  22. ], sylpheed_cv_type_$1=yes, sylpheed_cv_type_$1=no)])dnl
  23. AC_MSG_RESULT($sylpheed_cv_type_$1)
  24. if test $sylpheed_cv_type_$1 = no; then
  25. AC_DEFINE($1, $2, $4)
  26. fi
  27. ])