diff --git a/CMakeLists.txt b/CMakeLists.txt
index d5533f0a5..250f4ef80 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -40,6 +40,7 @@ OPTION(DISABLE_NCURSES       "Disable Ncurses interface")
 OPTION(ENABLE_GTK            "Enable GTK interface")
 OPTION(DISABLE_NLS           "Disable Native Language Support")
 OPTION(DISABLE_GNUTLS        "Disable SSLv3/TLS connection support")
+OPTION(DISABLE_LARGEFILE     "Disable Large File Support")
 OPTION(DISABLE_ALIAS         "Disable Alias plugin")
 OPTION(ENABLE_ASPELL         "Enable Aspell plugin")
 OPTION(DISABLE_CHARSET       "Disable Charset plugin")
diff --git a/configure.in b/configure.in
index b05b3db4a..cb79828f5 100644
--- a/configure.in
+++ b/configure.in
@@ -117,6 +117,7 @@ AC_ARG_ENABLE(wxwidgets,    [  --enable-wxwidgets      turn on WxWidgets interfa
 AC_ARG_ENABLE(gtk,          [  --enable-gtk            turn on Gtk interface (default=off)],enable_gtk=$enableval,enable_gtk=no)
 AC_ARG_ENABLE(qt,           [  --enable-qt             turn on Qt interface (default=off)],enable_qt=$enableval,enable_qt=no)
 AC_ARG_ENABLE(gnutls,       [  --disable-gnutls        turn off gnutls support (default=compiled if found)],enable_gnutls=$enableval,enable_gnutls=yes)
+AC_ARG_ENABLE(largefile,    [  --disable-largefile     turn off Large File Support (default=on)],enable_largefile=$enableval,enable_largefile=yes)
 AC_ARG_ENABLE(alias,        [  --disable-alias         turn off Alias plugin (default=compiled)],enable_alias=$enableval,enable_alias=yes)
 AC_ARG_ENABLE(aspell,       [  --enable-aspell         turn on Aspell plugin (default=off)],enable_aspell=$enableval,enable_aspell=no)
 AC_ARG_ENABLE(charset,      [  --disable-charset       turn off Charset plugin (default=compiled if found)],enable_charset=$enableval,enable_charset=yes)
@@ -750,6 +751,15 @@ else
     not_found="$not_found flock"
 fi
 
+# ------------------------------------------------------------------------------
+#                               large file support
+# ------------------------------------------------------------------------------
+if test "x$enable_largefile" = "xyes" ; then
+   CFLAGS="$CFLAGS -D_LARGEFILE_SOURCE -D_FILE_OFFSET_BITS=64 -D_LARGEFILE64_SOURCE"
+else
+   not_asked="$not_asked largefile"
+fi
+
 # ------------------------------------------------------------------------------
 #                                  backtrace
 # ------------------------------------------------------------------------------
@@ -1032,6 +1042,9 @@ fi
 if test "x$enable_flock" = "xyes"; then
     listoptional="$listoptional flock"
 fi
+if test "x$enable_largefile" = "xyes"; then
+    listoptional="$listoptional largefile"
+fi
 if test "x$enable_backtrace" = "xyes"; then
     listoptional="$listoptional backtrace"
 fi
diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index 26d8b5deb..2e74baec0 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -62,6 +62,11 @@ CHECK_FUNCTION_EXISTS(strstr HAVE_STRSTR)
 # FIXME: weechat_gui_common MUST be the first lib in the list
 SET(STATIC_LIBS weechat_gui_common)
 
+# Check for Large File Support
+IF (NOT DISABLE_LARGEFILE)
+  ADD_DEFINITIONS(-D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE -D_LARGE_FILES)
+ENDIF (NOT DISABLE_LARGEFILE)
+
 # Check for Gettext
 IF(NOT DISABLE_NLS)
   FIND_PACKAGE(Gettext)