Allow higher _FORTIFY_SOURCE levels

firedancer-io · Jan 5, 2025 · 8d4de28 · 8d4de28
1 parent 23a66e6
commit 8d4de28
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Showing 2 changed files with 4 additions and 1 deletion.
diff --git a/config/base.mk b/config/base.mk
@@ -43,3 +43,6 @@ FUZZFLAGS:=-max_total_time=600 -timeout=10 -runs=10
 # Obtain compiler version so that decisions can be made on disabling/enabling
 # certain flags
 CC_MAJOR_VERSION=$(shell $(CC) -dumpversion | cut -f1 -d.)
+
+# Default _FORTIFY_SOURCE level
+FORTIFY_SOURCE?=2
diff --git a/config/extra/with-security.mk b/config/extra/with-security.mk
@@ -9,5 +9,5 @@ LDFLAGS+=-fstack-protector-strong
 
 # _FORTIFY_SOURCE only works when optimization is enabled
 ifeq ($(FD_DISABLE_OPTIMIZATION),)
-CPPFLAGS+=-D_FORTIFY_SOURCE=2
+CPPFLAGS+=-D_FORTIFY_SOURCE=$(FORTIFY_SOURCE)
 endif