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-rw-r--r--src/CMakeLists.txt2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index d9c6801..f549496 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -4,7 +4,7 @@ set(UNIONFS_SRCS unionfs.c opts.c debug.c findbranch.c readdir.c
fuse_ops.c)
set(UNIONFSCTL_SRCS unionfsctl.c)
-SET(CMAKE_C_FLAGS "-pipe -W -Wall -DFORTIFY_SOURCE=2")
+SET(CMAKE_C_FLAGS "-pipe -W -Wall -D_FORTIFY_SOURCE=2")
SET(CMAKE_C_FLAGS_RELWITHDEBINFO "-O2 -g")
SET(CMAKE_C_FLAGS_RELEASE "-O2")
SET(CMAKE_C_FLAGS_DEBUG "-O0 -g -DDEBUG")