build: fixed building on macOS

Boot/CMakeLists.txt

@@ -1,5 +1,9 @@
 project(termOS_Bootloader LANGUAGES C ASM)
 
+if(APPLE)
+    set(CMAKE_C_LINK_FLAGS "")
+endif()
+
 set(UEFI_COMPILE_OPTIONS 
     -std=c23
     -target x86_64-unknown-windows-msvc
@@ -20,14 +24,15 @@ set(POSIX_UEFI_SOURCES
     src/uefi/unistd.c
 )
 
-add_library(posix_uefi_lib STATIC ${POSIX_UEFI_SOURCES})
+add_library(posix_uefi_lib OBJECT ${POSIX_UEFI_SOURCES})
 target_compile_options(posix_uefi_lib PRIVATE ${UEFI_COMPILE_OPTIONS})
 target_include_directories(posix_uefi_lib PUBLIC ${CMAKE_CURRENT_SOURCE_DIR}/src/uefi)
 
 add_executable(BOOTX64 src/main.c)
 target_compile_options(BOOTX64 PRIVATE ${UEFI_COMPILE_OPTIONS})
+target_sources(BOOTX64 PRIVATE $<TARGET_OBJECTS:posix_uefi_lib>)
 
-target_link_libraries(BOOTX64 PRIVATE posix_uefi_lib)
+target_include_directories(BOOTX64 PRIVATE ${CMAKE_CURRENT_SOURCE_DIR}/src/uefi)
 
 target_link_options(BOOTX64 PRIVATE
     -fuse-ld=lld