diff options
Diffstat (limited to 'm4/header_major_fixed.m4')
| -rw-r--r-- | m4/header_major_fixed.m4 | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/m4/header_major_fixed.m4 b/m4/header_major_fixed.m4 new file mode 100644 index 0000000..0f156aa --- /dev/null +++ b/m4/header_major_fixed.m4 @@ -0,0 +1,27 @@ +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 <sys/types.h>]], + [[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 <mkdev.h>.])]) + + 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 <sysmacros.h>.])]) + fi +fi +]) |