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-rw-r--r--CMakeLists.txt2
1 files changed, 1 insertions, 1 deletions
diff --git a/CMakeLists.txt b/CMakeLists.txt
index 2d4cec2..ba03fbd 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -69,7 +69,7 @@ endfunction()
function(set_visibility_hidden destTarget)
if(CMAKE_C_COMPILER_ID MATCHES "^(GNU|Clang)$")
target_compile_options(${destTarget} PRIVATE
- -fvisibility=hidden -fvisibility-inlines-hidden)
+ $<$<COMPILE_LANGUAGE:CXX>:-fvisibility-inlines-hidden> -fvisibility=hidden)
target_compile_definitions(${destTarget} PRIVATE
"LIBADLMIDI_VISIBILITY")
endif()