cmake: use OBJECT libraries

CMakeLists.txt

@@ -83,8 +83,9 @@ set(CMAKE_POSITION_INDEPENDENT_CODE ON)
 # can use the internal interface of the libraries (linking
 # with syscall_intercept_base instead of the actual lib ), without
 # the library trying to hotpatch libc every time.
-add_library(syscall_intercept_base_c STATIC ${SOURCES_C})
-add_library(syscall_intercept_base_asm STATIC ${SOURCES_ASM})
+add_library(syscall_intercept_base_c OBJECT ${SOURCES_C})
+add_library(syscall_intercept_base_asm OBJECT ${SOURCES_ASM})
+add_library(syscall_intercept_base_entry OBJECT src/entry.c)
 
 if(HAS_NOUNUSEDARG)
 	target_compile_options(syscall_intercept_base_asm BEFORE
@@ -94,15 +95,21 @@ endif()
 set_property(TARGET syscall_intercept_base_c
 	APPEND PROPERTY COMPILE_FLAGS ${capstone_CFLAGS})
 
-target_link_libraries(syscall_intercept_base_c
-	${CMAKE_DL_LIBS} ${capstone_LIBRARIES})
 
-add_library(syscall_intercept_shared SHARED src/entry.c)
+add_library(syscall_intercept_shared SHARED
+		$<TARGET_OBJECTS:syscall_intercept_base_c>
+		$<TARGET_OBJECTS:syscall_intercept_base_asm>
+		$<TARGET_OBJECTS:syscall_intercept_base_entry>)
+add_library(syscall_intercept_static STATIC
+		$<TARGET_OBJECTS:syscall_intercept_base_c>
+		$<TARGET_OBJECTS:syscall_intercept_base_asm>
+		$<TARGET_OBJECTS:syscall_intercept_base_entry>)
+
 target_link_libraries(syscall_intercept_shared
-	syscall_intercept_base_c syscall_intercept_base_asm)
-add_library(syscall_intercept_static STATIC src/entry.c)
+	PRIVATE ${CMAKE_DL_LIBS} ${capstone_LIBRARIES})
+
 target_link_libraries(syscall_intercept_static
-	syscall_intercept_base_c syscall_intercept_base_asm)
+	INTERFACE ${CMAKE_DL_LIBS} ${capstone_LIBRARIES})
 
 set_target_properties(syscall_intercept_shared
 	PROPERTIES VERSION ${SYSCALL_INTERCEPT_VERSION}

test/CMakeLists.txt

@@ -41,10 +41,12 @@ include_directories(${PROJECT_SOURCE_DIR}/src ${PROJECT_SOURCE_DIR}/test)
 
 set(CMAKE_ASM_CREATE_SHARED_LIBRARY ${CMAKE_C_CREATE_SHARED_LIBRARY})
 
-add_executable(asm_pattern asm_pattern.c)
+add_executable(asm_pattern asm_pattern.c
+		$<TARGET_OBJECTS:syscall_intercept_base_c>
+		$<TARGET_OBJECTS:syscall_intercept_base_asm>)
+
 target_link_libraries(asm_pattern
-	PRIVATE ${CMAKE_DL_LIBS} ${capstone_LDFLAGS}
-	syscall_intercept_base_c syscall_intercept_base_asm)
+	PRIVATE ${CMAKE_DL_LIBS} ${capstone_LDFLAGS})
 
 set(asm_patterns
 	nosyscall