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-rw-r--r--CMakeLists.txt3
1 files changed, 2 insertions, 1 deletions
diff --git a/CMakeLists.txt b/CMakeLists.txt
index 24ff7a989a..30436b6298 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -69,7 +69,8 @@ endif(WITH_COVERAGE)
set(CMAKE_CONFIGURATION_TYPES Debug Release RelWithDebugInfo Sanitize)
-set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++14 -ftemplate-depth=1024 -Wall -Wextra -Wshadow -Wnon-virtual-dtor -Werror -Wno-variadic-macros -Wno-unknown-pragmas")
+set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++14 -ftemplate-depth=1024 -fPIC -fvisibility=hidden -Wall -Wextra -Wshadow -Wnon-virtual-dtor -Werror -Wno-variadic-macros -Wno-unknown-pragmas")
+set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -fPIC -fvisibility=hidden -Wall -Wextra -Wshadow -Werror -Wno-variadic-macros -Wno-unknown-pragmas")
if(APPLE AND CMAKE_CXX_COMPILER_ID MATCHES ".*Clang")
# -Wno-error=unused-command-line-argument is required due to https://llvm.org/bugs/show_bug.cgi?id=7798
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wno-error=unused-command-line-argument")