--- exiv2-0.27.4/cmake/mainSetup.cmake.visibility	2021-05-22 12:07:56.000000000 +0000
+++ exiv2-0.27.4/cmake/mainSetup.cmake	2021-06-14 16:52:04.331553619 +0000
@@ -16,7 +16,9 @@
 
 if (NOT CMAKE_CXX_COMPILER_ID STREQUAL "AppleClang")
     set(CMAKE_CXX_VISIBILITY_PRESET hidden)
-    set(CMAKE_VISIBILITY_INLINES_HIDDEN 1)
+    if (EXIV2_VISIBILITY_INLINES_HIDDEN)
+	set(CMAKE_VISIBILITY_INLINES_HIDDEN 1)
+    endif()
 endif()
 
 if (UNIX)