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| author | Eelco Dolstra <eelco.dolstra@logicblox.com> | 2012-07-23T22·42-0400 |
|---|---|---|
| committer | Eelco Dolstra <eelco.dolstra@logicblox.com> | 2012-07-23T22·42-0400 |
| commit | e98c029717016dfa3e5c618c9fc46da9b2142dcc (patch) | |
| tree | 77a1f6aa7366091f5d2fa3307839e960dbdc07c0 /configure.ac | |
| parent | fd63c8bfcd75624e7fbba8899365095400534e01 (diff) | |
Handle platforms that don't support linking to a symlink
E.g. Darwin doesn't allow this.
Diffstat (limited to 'configure.ac')
| -rw-r--r-- | configure.ac | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/configure.ac b/configure.ac index a2512cfe92..f920b8c10e 100644 --- a/configure.ac +++ b/configure.ac @@ -120,6 +120,18 @@ AC_CHECK_HEADERS([sys/mount.h], [], [], 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]) |