+2012-05-05 Bruno Haible <bruno@clisp.org>
+
+ d-ino: Avoid guessing "no" when cross-compiling to glibc/Linux systems.
+ * m4/d-ino.m4 (gl_CHECK_TYPE_STRUCT_DIRENT_D_INO): Require
+ AC_CANONICAL_HOST. When cross-compiling to a glibc/Linux platform,
+ set gl_cv_struct_dirent_d_ino to "guessing yes".
+
2012-05-05 Bruno Haible <bruno@clisp.org>
fseeko-tests, ftello-tests: Avoid "guessing no" when cross-compiling.
-# serial 12
+# serial 13
dnl From Jim Meyering.
dnl
# with or without modifications, as long as this notice is preserved.
AC_DEFUN([gl_CHECK_TYPE_STRUCT_DIRENT_D_INO],
- [AC_CACHE_CHECK([for d_ino member in directory struct],
+ [AC_REQUIRE([AC_CANONICAL_HOST]) dnl for cross-compiles
+ AC_CACHE_CHECK([for d_ino member in directory struct],
gl_cv_struct_dirent_d_ino,
[AC_RUN_IFELSE(
[AC_LANG_PROGRAM(
]])],
[gl_cv_struct_dirent_d_ino=yes],
[gl_cv_struct_dirent_d_ino=no],
- [gl_cv_struct_dirent_d_ino=no])])
- if test $gl_cv_struct_dirent_d_ino = yes; then
- AC_DEFINE([D_INO_IN_DIRENT], [1],
- [Define if struct dirent has a member d_ino that actually works.])
- fi
+ [case "$host_os" in
+ # Guess yes on glibc systems with Linux kernel.
+ linux*-gnu*) gl_cv_struct_dirent_d_ino="guessing yes" ;;
+ # If we don't know, assume the worst.
+ *) gl_cv_struct_dirent_d_ino="guessing no" ;;
+ esac
+ ])])
+ case "$gl_cv_struct_dirent_d_ino" in
+ *yes)
+ AC_DEFINE([D_INO_IN_DIRENT], [1],
+ [Define if struct dirent has a member d_ino that actually works.])
+ ;;
+ esac
]
)