diff --git a/.gitignore b/.gitignore
index 48360bf80..1255aed6f 100644
--- a/.gitignore
+++ b/.gitignore
@@ -51,8 +51,8 @@ modules.order
 Module.symvers
 Mkfile.old
 dkms.conf
-cmake-build-debug/
-
+/build/
+/cmake-build-debug/
 .idea/
 /resources/grammar.tab.c
 /resources/grammar.vcg
diff --git a/CMakeLists.txt b/CMakeLists.txt
index 71e7013bd..6b0ae45a4 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -143,7 +143,7 @@ add_executable(c3c
         src/compiler/llvm_codegen_c_abi_riscv.c
         src/compiler/llvm_codegen_c_abi_wasm.c)
 
-target_compile_options(c3c PRIVATE -Wsign-compare -Wno-unknown-warning-option -Wno-maybe-uninitialized -Wimplicit-int -Werror -Wall -Wno-unknown-pragmas -Wextra -Wno-unused-function -Wno-unused-variable -Wno-unused-parameter)
+target_compile_options(c3c PRIVATE -Wsign-compare -Wno-unknown-warning-option -Wno-unused-result -Wno-maybe-uninitialized -Wimplicit-int -Werror -Wall -Wno-unknown-pragmas -Wextra -Wno-unused-function -Wno-unused-variable -Wno-unused-parameter)
 
 target_include_directories(c3c PRIVATE
         "${CMAKE_SOURCE_DIR}/src/")