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| author | Bruno Haible <bruno@clisp.org> | 2012-05-05 11:55:41 +0200 |
|---|---|---|
| committer | Bruno Haible <bruno@clisp.org> | 2012-05-05 11:55:41 +0200 |
| commit | b5b852899af5333cb8bef7c988b1b2883ca853bf (patch) | |
| tree | 0bcdd80d3e7bd0e3e5119aa788dca9e3d6048622 /m4/d-ino.m4 | |
| parent | 85324298b2acc2f756c3e162446c810507e4c08f (diff) | |
| download | gnulib-b5b852899af5333cb8bef7c988b1b2883ca853bf.tar.gz | |
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".
Diffstat (limited to 'm4/d-ino.m4')
| -rw-r--r-- | m4/d-ino.m4 | 23 |
1 files changed, 16 insertions, 7 deletions
diff --git a/m4/d-ino.m4 b/m4/d-ino.m4 index 03087bf5e7..16d46aad96 100644 --- a/m4/d-ino.m4 +++ b/m4/d-ino.m4 @@ -1,4 +1,4 @@ -# serial 12 +# serial 13 dnl From Jim Meyering. dnl @@ -13,7 +13,8 @@ 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( @@ -37,10 +38,18 @@ AC_DEFUN([gl_CHECK_TYPE_STRUCT_DIRENT_D_INO], ]])], [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 ] ) |