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-rw-r--r--options.mk4
1 files changed, 3 insertions, 1 deletions
diff --git a/options.mk b/options.mk
index 33b9250..ba4a636 100644
--- a/options.mk
+++ b/options.mk
@@ -6,7 +6,9 @@ FICS_HOME ?= /home/chess/config
PREFIX ?= /home/chess
CC ?= cc
-CFLAGS = -O2 -Wall -pipe -std=c11
+CFLAGS = -O2 -Wall -pipe -std=c11 \
+ -Wsign-compare \
+ -Wstrict-prototypes
CXX ?= c++
CXXFLAGS = -O2 -Wall -pipe -std=c++17