X-Git-Url: https://sigrok.org/gitweb/?a=blobdiff_plain;f=bindings%2Fcxx%2Fclasses.cpp;h=d25c53cf13e4a909809faacf73e6ffe46d1df514;hb=fe1aa53613c2421fd6b2c2991122584cbe34342a;hp=a0b161a62a35aee683894cfe87b0b8c521d8d42a;hpb=6ad2fbaad2722f0aa18c3600cdbdddf812784b2d;p=libsigrok.git

diff --git a/bindings/cxx/classes.cpp b/bindings/cxx/classes.cpp
index a0b161a6..d25c53cf 100644
--- a/bindings/cxx/classes.cpp
+++ b/bindings/cxx/classes.cpp
@@ -18,8 +18,9 @@
  */
 
 /* Needed for isascii(), as used in the GNU libstdc++ headers */
+/* Needed in strutil.c for POSIX.1-2008 locale functions */
 #ifndef _XOPEN_SOURCE
-#define _XOPEN_SOURCE 600
+#define _XOPEN_SOURCE 700
 #endif
 
 #include <config.h>