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authorAndreas Schneider <asn@cryptomilk.org>2018-08-20 16:32:43 +0200
committerAndreas Schneider <asn@cryptomilk.org>2018-08-20 18:42:03 +0200
commit26a40977427797c46f89708001b1e37cf5de534e (patch)
tree86af1d05282ecf1a9cd2d38ae0f5331e4cdde8ce
parent99a9cf0fcb1a04aa194fcee5f029163ea69e7506 (diff)
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cmake: Check for -Werror in ConfigureChecks.cmake
Signed-off-by: Andreas Schneider <asn@cryptomilk.org>
-rw-r--r--ConfigureChecks.cmake5
1 files changed, 4 insertions, 1 deletions
diff --git a/ConfigureChecks.cmake b/ConfigureChecks.cmake
index 3d6f5662..b89244f6 100644
--- a/ConfigureChecks.cmake
+++ b/ConfigureChecks.cmake
@@ -271,7 +271,10 @@ int main(void) {
# For detecting attributes we need to treat warnings as
# errors
if (UNIX)
- set(CMAKE_REQUIRED_FLAGS "-Werror")
+ check_c_compiler_flag("-Werror" REQUIRED_FLAGS_WERROR)
+ if (REQUIRED_FLAGS_WERROR)
+ set(CMAKE_REQUIRED_FLAGS "-Werror")
+ endif()
endif (UNIX)
check_c_source_compiles("