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-rw-r--r--src/Tupfile1
1 files changed, 1 insertions, 0 deletions
diff --git a/src/Tupfile b/src/Tupfile
index b6f6d4a..8cc54a0 100644
--- a/src/Tupfile
+++ b/src/Tupfile
@@ -3,6 +3,7 @@ CFLAGS += -Wall -Wextra -Wpedantic -Werror
CFLAGS += -march=native -mtune=native
CFLAGS += -fomit-frame-pointer -flto -O3
CFLAGS += -pipe
+CFLAGS += -D_GNU_SOURCE
import CC=cc
import AR=ar