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-rw-r--r--config.mk2
1 files changed, 1 insertions, 1 deletions
diff --git a/config.mk b/config.mk
index 394a13f..8769b1d 100644
--- a/config.mk
+++ b/config.mk
@@ -38,7 +38,7 @@ 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
+CFLAGS += -std=c11 -D_POSIX_C_SOURCE=200809L -D_XOPEN_SOURCE=700
ifeq (${curl},1)
CFLAGS += -DHAVE_LIBCURL