fixed PIC

CMakeLists.txt

@@ -10,12 +10,13 @@ if(${CMAKE_VERSION} VERSION_GREATER "3.8.0")
     source_group(TREE "${CMAKE_CURRENT_SOURCE_DIR}/src" FILES ${SOURCE_FILES} ${HEADER_FILES})
 endif()
 add_library(polymesh STATIC ${SOURCE_FILES} ${HEADER_FILES})
+set_property(TARGET polymesh PROPERTY POSITION_INDEPENDENT_CODE ON)
 target_include_directories(polymesh PUBLIC src/)
 
 if (MSVC)
     target_compile_options(polymesh PUBLIC /MP)
 else()
-    target_compile_options(polymesh PRIVATE -Wall -fPIC)
+    target_compile_options(polymesh PRIVATE -Wall)
     target_link_libraries(polymesh PUBLIC -fuse-ld=gold)
 endif()