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Subject: Only use -fstack-protector-all if it is supported
This flag isn't available on all Debian ports.
Origin: vendor
From: Colin Watson <cjwatson@debian.org>
Reviewed-by: nicoo <nicoo@debian.org>
Forwarded: https://github.com/Yubico/libfido2/pull/130
Applied-Upstream: not-yet
Last-Update: 2020-02-23
---
CMakeLists.txt | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/CMakeLists.txt b/CMakeLists.txt
index c7c5991..07ca5e1 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -114,7 +114,10 @@ else()
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wbad-function-cast")
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -pedantic")
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -pedantic-errors")
- set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -fstack-protector-all")
+ check_c_compiler_flag("-fstack-protector-all" HAVE_STACK_PROTECTOR_ALL)
+ if(HAVE_STACK_PROTECTOR_ALL)
+ set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -fstack-protector-all")
+ endif()
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -std=c99")
set(CMAKE_C_FLAGS_DEBUG "${CMAKE_C_FLAGS_DEBUG} -g2")
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