config.mk: fix _XOPEN_SOURCE=700 for getline()

diff --git a/config.mk b/config.mk
index 7b08bf165073d3c29cd7385284ef797d5254b59e..ea23da4f3bfb6b0bd441ed5ccd9fb58a9918a805 100644 (file)
--- a/config.mk
+++ b/config.mk
@@ -23,7 +23,7 @@ INCS = -I${X11INC} -I${FREETYPEINC}
 LIBS = -L${X11LIB} -lX11 ${XINERAMALIBS} ${FREETYPELIBS}
 
 # flags
-CPPFLAGS = -D_BSD_SOURCE -D_XOPEN_SOURCE=500 -D_POSIX_C_SOURCE=200809L -DVERSION=\"${VERSION}\" ${XINERAMAFLAGS}
+CPPFLAGS = -D_BSD_SOURCE -D_XOPEN_SOURCE=700 -D_POSIX_C_SOURCE=200809L -DVERSION=\"${VERSION}\" ${XINERAMAFLAGS}
 CFLAGS   = -ansi -pedantic -Wall -Os ${INCS} ${CPPFLAGS}
 LDFLAGS  = -s ${LIBS}