Mercurial > hg > octave-lojdl > gnulib-hg
changeset 16824:fffdb275f345
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".
author | Bruno Haible <bruno@clisp.org> |
---|---|
date | Sat, 05 May 2012 11:55:41 +0200 |
parents | c663938a6408 |
children | 577fb1a57190 |
files | ChangeLog m4/d-ino.m4 |
diffstat | 2 files changed, 23 insertions(+), 7 deletions(-) [+] |
line wrap: on
line diff
--- a/ChangeLog +++ b/ChangeLog @@ -1,3 +1,10 @@ +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.
--- 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 @@ # 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 @@ ]])], [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 ] )