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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 347249b..ed5b51f 100644
--- a/configure.ac
+++ b/configure.ac
@@ -39,6 +39,9 @@ m4_ifndef([XORG_MACROS_VERSION],
XORG_MACROS_VERSION(1.8)
XORG_DEFAULT_OPTIONS
+# Checks for typedefs, structures, and compiler characteristics.
+AC_SYS_LARGEFILE
+
# Checks for library functions.
AC_CHECK_FUNCS([asprintf])