Compile with std=c11 and set appropriate glibc feature test macros

might resolve #333 and #348

1 files changed, 3 insertions, 0 deletions

diff --git a/config.mk b/config.mk
index b230e3d..394a13f 100644
--- a/config.mk
+++ b/config.mk
@@ -37,6 +37,9 @@ scalable_icon_dir = ${icon_dir}/scalable/apps
 CFLAGS ?= -g -O2
 CFLAGS += -Wall -Wextra -pedantic
 
+# Settings for glibc >= 2.19 - may need to be adjusted for other systems
+CFLAGS += -std=c11 -D_POSIX_C_SOURCE=200809L -D_XOPEN_SOURCE=500
+
 ifeq (${curl},1)
 	CFLAGS += -DHAVE_LIBCURL
 	LDLIBS += -lcurl