AC_DEFUN([AC_HEADER_MAJOR_FIXED], [AC_CACHE_CHECK(whether sys/types.h defines makedev, ac_cv_header_sys_types_h_makedev, [AC_LINK_IFELSE([AC_LANG_PROGRAM([[@%:@include ]], [[return makedev(0, 0);]])], [if grep sys/sysmacros.h conftest.err >/dev/null; then ac_cv_header_sys_types_h_makedev=no else ac_cv_header_sys_types_h_makedev=yes fi], [ac_cv_header_sys_types_h_makedev=no]) ]) if test $ac_cv_header_sys_types_h_makedev = no; then AC_CHECK_HEADER(sys/mkdev.h, [AC_DEFINE(MAJOR_IN_MKDEV, 1, [Define to 1 if `major', `minor', and `makedev' are declared in .])]) if test $ac_cv_header_sys_mkdev_h = no; then AC_CHECK_HEADER(sys/sysmacros.h, [AC_DEFINE(MAJOR_IN_SYSMACROS, 1, [Define to 1 if `major', `minor', and `makedev' are declared in .])]) fi fi ])