diff options
Diffstat (limited to 'ares/configure.ac')
| -rw-r--r-- | ares/configure.ac | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/ares/configure.ac b/ares/configure.ac index 46ba266a2..f5adf732f 100644 --- a/ares/configure.ac +++ b/ares/configure.ac @@ -828,8 +828,15 @@ AC_HELP_STRING([--with-random=FILE], [read randomness from FILE (default=/dev/urandom)]), [ RANDOM_FILE="$withval" ], [ - dnl Check for random device - AC_CHECK_FILE("/dev/urandom", [ RANDOM_FILE="/dev/urandom"] ) + dnl Check for random device. If we're cross compiling, we can't + dnl check, and it's better to assume it doesn't exist than it is + dnl to fail on AC_CHECK_FILE or later. + if test "$cross_compiling" = "no"; then + AC_CHECK_FILE("/dev/urandom", [ RANDOM_FILE="/dev/urandom"] ) + else + AC_MSG_WARN([cannot check for /dev/urandom while cross compiling; assuming none]) + fi + ] ) if test -n "$RANDOM_FILE" && test X"$RANDOM_FILE" != Xno ; then |