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-rw-r--r--configure.ac16
1 files changed, 16 insertions, 0 deletions
diff --git a/configure.ac b/configure.ac
index 1516ef71..4f3459c3 100644
--- a/configure.ac
+++ b/configure.ac
@@ -83,6 +83,22 @@ AC_FUNC_STRERROR_R
AC_FUNC_VPRINTF
AC_CHECK_FUNCS([flock basename alarm clock_gettime gethostbyname gethostname gettimeofday localtime_r memset mkdir regcomp select setid socket strcasecmp strchr strdup strerror strndup strnlen strrchr strstr strtol strtoul uname ttyname_r])
+# Check for MAXHOSTNAMELEN
+AC_MSG_CHECKING(for MAXHOSTNAMELEN)
+AC_TRY_COMPILE([
+ #include <sys/param.h>
+ ], [
+ return MAXHOSTNAMELEN;
+ ]
+ ,
+ AC_MSG_RESULT(yes)
+ ,
+ # note: we use 1024 here, which should be far more than needed by any system. If that's too low, we simply
+ # life with the need to change it. Most of the code doesn't need it anyways, but there are a few places
+ # where it actually is needed and it makes no sense to change them.
+ AC_DEFINE(MAXHOSTNAMELEN, 1024, [Define with a value if your <sys/param.h> does not define MAXHOSTNAMELEN])
+ AC_MSG_RESULT(no; defined as 64)
+)
# Large file support
AC_ARG_ENABLE(largefile,