[patch] workaround patch

flex-2.6.4-glibc-2.26.patch (text/plain), 321 bytes, created by iGentoo on 2017-08-23 17:39:06 UTC

diff --git a/configure.ac b/configure.ac
index d9aab34..163ec18 100644
--- a/configure.ac
+++ b/configure.ac
@@ -53,6 +53,7 @@ AM_PROG_CC_C_O
 AC_PROG_LN_S
 AC_PROG_AWK
 AC_PROG_INSTALL
+AC_USE_SYSTEM_EXTENSIONS
 
 # allow passing a variable `WARNINGFLAGS',
 #   either when invoking `configure', or when invoking `make'