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-rw-r--r--configure.ac4
1 files changed, 4 insertions, 0 deletions
diff --git a/configure.ac b/configure.ac
index 6859833f..5893c841 100644
--- a/configure.ac
+++ b/configure.ac
@@ -10,6 +10,10 @@ AC_ARG_ENABLE(debug,
AC_DISABLE_STATIC
AC_PROG_LIBTOOL
AC_PROG_CXX
+
+AC_SYS_LARGEFILE
+CXXFLAGS="$CXXFLAGS -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64"
+
AC_CHECK_PROGS(YACC, 'bison -y', [no])
[if test "$YACC" = "no"]
[then]