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-rw-r--r--configure.ac3
1 files changed, 3 insertions, 0 deletions
diff --git a/configure.ac b/configure.ac
index 52ddb3d..dd8cbff 100644
--- a/configure.ac
+++ b/configure.ac
@@ -43,6 +43,9 @@ PKG_CHECK_MODULES(XBIFF, xaw7 xmu xbitmaps xext x11)
# Checks for headers
AC_CHECK_HEADERS([paths.h])
+# Checks for typedefs, structures, and compiler characteristics.
+AC_SYS_LARGEFILE
+
# Allow builder to set path to look for mailboxes
AC_MSG_CHECKING([for mailbox directory])
AC_ARG_WITH([mailbox-directory],