--- CMakeLists.txt.orig	2020-03-22 08:33:14 UTC
+++ CMakeLists.txt
@@ -91,7 +91,7 @@ endfunction()
 set(ABC_MAIN_SRC src/base/main/main.c)
 list(REMOVE_ITEM ABC_SRC ${ABC_MAIN_SRC})
 
-add_library(libabc EXCLUDE_FROM_ALL ${ABC_SRC})
+add_library(libabc EXCLUDE_FROM_ALL SHARED ${ABC_SRC})
 abc_properties(libabc PUBLIC)
 set_property(TARGET libabc PROPERTY OUTPUT_NAME abc)
 
@@ -99,7 +99,7 @@ add_executable(abc ${ABC_MAIN_SRC})
 target_link_libraries(abc PRIVATE libabc)
 abc_properties(abc PRIVATE)
 
-add_library(libabc-pic EXCLUDE_FROM_ALL ${ABC_SRC})
+add_library(libabc-pic EXCLUDE_FROM_ALL SHARED ${ABC_SRC})
 abc_properties(libabc-pic PUBLIC)
 set_property(TARGET libabc-pic PROPERTY POSITION_INDEPENDENT_CODE ON)
 set_property(TARGET libabc-pic PROPERTY OUTPUT_NAME abc-pic)