diff --git a/CMakeLists.txt b/CMakeLists.txt
index a09b683..9062e7e 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -96,7 +96,7 @@ set(CMAKE_EXE_LINKER_FLAGS_RELEASE "-flto")
 set(CMAKE_C_FLAGS          "${CMAKE_C_FLAGS} ${TARGET_CFLAGS_HARDWARE} ${TARGET_CFLAGS_EXTRA} -Wall -fdata-sections -ffunction-sections")
 set(CMAKE_CXX_FLAGS        "${CMAKE_CXX_FLAGS} ${TARGET_CFLAGS_HARDWARE} ${TARGET_CXXFLAGS_EXTRA} -Wall -fdata-sections -ffunction-sections")
 set(CMAKE_ASM_FLAGS        "${CMAKE_ASM_FLAGS} ${CMAKE_C_FLAGS} -x assembler-with-cpp")
-set(CMAKE_EXE_LINKER_FLAGS "-Wl,--gc-sections -lc -lm -lnosys -nostartfiles ${TARGET_LDFLAGS_EXTRA}")
+set(CMAKE_EXE_LINKER_FLAGS "-specs=nano.specs -specs=nosys.specs -Wl,--gc-sections -nostartfiles -nostdlib ${TARGET_LDFLAGS_EXTRA}")
 
 # Include sub directories here
 
@@ -104,7 +104,12 @@ set(CMAKE_EXE_LINKER_FLAGS "-Wl,--gc-sections -lc -lm -lnosys -nostartfiles ${TA
 add_compile_definitions(${TARGET_C_DEFINES})
 include_directories(${TARGET_C_INCLUDES})
 link_directories(${TARGET_LIB_DIRECTORIES})
-link_libraries(${TARGET_LIBS})
+link_libraries(
+    ${TARGET_LIBS}
+    "c"
+    "m"
+    "nosys"
+)
 
 # Main targets are added here
 
diff --git a/src/syscalls.c b/src/syscalls.c
index 977632e..21a0fdc 100644
--- a/src/syscalls.c
+++ b/src/syscalls.c
@@ -4,4 +4,16 @@ int _fstat(int file, struct stat *st) {
   st->st_mode = S_IFCHR;
 
   return 0;
-}
\ No newline at end of file
+}
+
+int _close(int file) {
+  return -1;
+}
+
+int _isatty(int file) {
+  return -1;
+}
+
+off_t _lseek(int file, off_t pos, int whence) {
+  return -1;
+}