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-rw-r--r--ports/glibmm/CMakeLists.txt4
1 files changed, 3 insertions, 1 deletions
diff --git a/ports/glibmm/CMakeLists.txt b/ports/glibmm/CMakeLists.txt
index d48d9261b..c6fa7027a 100644
--- a/ports/glibmm/CMakeLists.txt
+++ b/ports/glibmm/CMakeLists.txt
@@ -43,7 +43,9 @@ endif()
# Activate workaround for exporting all symbols from Windows DLLs to mimic the
# behavior on Linux, where dynamic libraries always export all symbols.
# The same approach was already used by the upstream MSVC build (see MSVC_NMake/gendef/gendef.cc)
-set(CMAKE_WINDOWS_EXPORT_ALL_SYMBOLS TRUE)
+if (WIN32)
+ set(CMAKE_WINDOWS_EXPORT_ALL_SYMBOLS TRUE)
+endif()
if(BUILD_SHARED_LIBS)
add_definitions(-DGLIBMM_DLL -DGIOMM_DLL)