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Set symbol visibility to hidden by default on macOS and Linux #27384

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Set symbol visibility to hidden by default on macOS and Linux #27384

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7 changes: 7 additions & 0 deletions scripts/toolchains/linux.cmake
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Original file line number Diff line number Diff line change
Expand Up @@ -46,6 +46,13 @@ elseif(VCPKG_TARGET_ARCHITECTURE STREQUAL "arm64")
endif()
endif()

if(POLICY CMP0063)
cmake_policy(SET CMP0063 NEW)
endif()

set(CMAKE_CXX_VISIBILITY_PRESET hidden)
set(CMAKE_VISIBILITY_INLINES_HIDDEN TRUE)

get_property( _CMAKE_IN_TRY_COMPILE GLOBAL PROPERTY IN_TRY_COMPILE )
if(NOT _CMAKE_IN_TRY_COMPILE)
string(APPEND CMAKE_C_FLAGS_INIT " -fPIC ${VCPKG_C_FLAGS} ")
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7 changes: 7 additions & 0 deletions scripts/toolchains/osx.cmake
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Original file line number Diff line number Diff line change
Expand Up @@ -34,6 +34,13 @@ if(CMAKE_HOST_SYSTEM_NAME STREQUAL "Darwin")
endif()
endif()

if(POLICY CMP0063)
cmake_policy(SET CMP0063 NEW)
endif()

set(CMAKE_CXX_VISIBILITY_PRESET hidden)
set(CMAKE_VISIBILITY_INLINES_HIDDEN TRUE)

get_property( _CMAKE_IN_TRY_COMPILE GLOBAL PROPERTY IN_TRY_COMPILE )
if(NOT _CMAKE_IN_TRY_COMPILE)
string(APPEND CMAKE_C_FLAGS_INIT " -fPIC ${VCPKG_C_FLAGS} ")
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