diff options
Diffstat (limited to 'CMakeLists.txt')
| -rw-r--r-- | CMakeLists.txt | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/CMakeLists.txt b/CMakeLists.txt index 117f2c66..61103c7e 100644 --- a/CMakeLists.txt +++ b/CMakeLists.txt @@ -853,6 +853,26 @@ if(WIN32) # Export the public API symbols with __declspec(dllexport). target_compile_definitions(liblzma PRIVATE DLL_EXPORT) + + if(NOT MSVC) + # Create a DEF file. The linker puts the ordinal numbers there + # too so the output from the linker isn't our final file. + target_link_options(liblzma PRIVATE + "-Wl,--output-def,liblzma.def.in") + + # Remove the ordinal numbers from the DEF file so that + # no one will create an import library that links by ordinal + # instead of by name. We don't maintain a DEF file so the + # ordinal numbers aren't stable. + add_custom_command(TARGET liblzma POST_BUILD + COMMAND "${CMAKE_COMMAND}" + -DINPUT_FILE=liblzma.def.in + -DOUTPUT_FILE=liblzma.def + -P + "${CMAKE_CURRENT_SOURCE_DIR}/cmake/remove-ordinals.cmake" + BYPRODUCTS "liblzma.def" + VERBATIM) + endif() else() # Disable __declspec(dllimport) when linking against static liblzma. target_compile_definitions(liblzma INTERFACE LZMA_API_STATIC) |