diff options
Diffstat (limited to 'configure.ac')
| -rw-r--r-- | configure.ac | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/configure.ac b/configure.ac index 53d653a0eed6..21a87194f477 100644 --- a/configure.ac +++ b/configure.ac @@ -115,6 +115,23 @@ AC_CHECK_HEADERS([sys/mount.h], [], [], ]) +# Check for lutimes, optionally used for changing the mtime of +# symlinks. +AC_CHECK_FUNCS([lutimes]) + + +# Check whether the store optimiser can optimise symlinks. +AC_MSG_CHECKING([whether it is possible to create a link to a symlink]) +ln -s bla tmp_link +if ln tmp_link tmp_link2 2> /dev/null; then + AC_MSG_RESULT(yes) + AC_DEFINE(CAN_LINK_SYMLINK, 1, [Whether link() works on symlinks.]) +else + AC_MSG_RESULT(no) +fi +rm -f tmp_link tmp_link2 + + # Check for <locale>. AC_LANG_PUSH(C++) AC_CHECK_HEADERS([locale]) |