--- a/build/build.ninja
+++ b/build/build.ninja
@@ -12,23 +12,23 @@
     3rd/bee.lua/compile/config.lua 3rd/bee.lua/compile/common.lua $
     make/code_format.lua
 rule c_source_bee
-  command = $cc -MMD -MT $out -MF $out.d -std=c11 -O2 -Wall -Werror $
-    -fvisibility=hidden -I$builddir/lua54 -DNDEBUG -fPIC -o $out -c $in
+  command = $cc -MMD -MT $out -MF $out.d -std=c11 -Wall $
+    -fvisibility=hidden -I$builddir/lua54 -DNDEBUG -fPIC -o $out -c $in CFLAGS
   description = Compile C   $out
   deps = gcc
   depfile = $out.d
 build $obj/source_bee/lua-seri.obj: c_source_bee $
     3rd/bee.lua/3rd/lua-seri/lua-seri.c
 rule cxx_source_bee
-  command = $cc -MMD -MT $out -MF $out.d -std=c++17 -fno-rtti -O2 -Wall $
-    -Werror -fvisibility=hidden -DNDEBUG -fPIC -o $out -c $in
+  command = $cc -MMD -MT $out -MF $out.d -std=c++17 -fno-rtti -Wall $
+    -fvisibility=hidden -DNDEBUG -fPIC -o $out -c $in CXXFLAGS
   description = Compile C++ $out
   deps = gcc
   depfile = $out.d
 build $obj/source_bee/format.obj: cxx_source_bee 3rd/bee.lua/3rd/fmt/format.cc
 rule cxx_source_bee_1
-  command = $cc -MMD -MT $out -MF $out.d -std=c++17 -fno-rtti -O2 -Wall $
-    -Werror -fvisibility=hidden -I3rd/bee.lua -DNDEBUG -fPIC -o $out -c $in
+  command = $cc -MMD -MT $out -MF $out.d -std=c++17 -fno-rtti -Wall $
+    -fvisibility=hidden -I3rd/bee.lua -DNDEBUG -fPIC -o $out -c $in CXXFLAGS
   description = Compile C++ $out
   deps = gcc
   depfile = $out.d
@@ -54,9 +54,9 @@
 build $obj/source_bee/path_helper.obj: cxx_source_bee_1 $
     3rd/bee.lua/bee/utility/path_helper.cpp
 rule cxx_source_bee_2
-  command = $cc -MMD -MT $out -MF $out.d -std=c++17 -fno-rtti -O2 -Wall $
-    -Werror -fvisibility=hidden -I3rd/bee.lua -I$builddir/lua54 $
-    -DBEE_STATIC -DNDEBUG -fPIC -o $out -c $in
+  command = $cc -MMD -MT $out -MF $out.d -std=c++17 -fno-rtti -Wall $
+    -fvisibility=hidden -I3rd/bee.lua -I$builddir/lua54 $
+    -DBEE_STATIC -DNDEBUG -fPIC -o $out -c $in CXXFLAGS
   description = Compile C++ $out
   deps = gcc
   depfile = $out.d
@@ -77,26 +77,26 @@
 build $obj/source_bee/lua_time.obj: cxx_source_bee_2 $
     3rd/bee.lua/binding/lua_time.cpp
 rule c_source_lua
-  command = $cc -MMD -MT $out -MF $out.d -std=c11 -O2 -Wall -Werror $
-    -fvisibility=hidden -DNDEBUG -fPIC -o $out -c $in
+  command = $cc -MMD -MT $out -MF $out.d -std=c11 -Wall $
+    -fvisibility=hidden -DNDEBUG -fPIC -o $out -c $in CFLAGS
   description = Compile C   $out
   deps = gcc
   depfile = $out.d
 build $obj/source_lua/utf8_crt.obj: c_source_lua $
     3rd/bee.lua/3rd/lua/utf8_crt.c
 rule c_source_lua_1
-  command = $cc -MMD -MT $out -MF $out.d -std=c11 -O2 -Wall -Werror $
+  command = $cc -MMD -MT $out -MF $out.d -std=c11 -Wall $
     -DMAKE_LIB -DLUA_USE_LINUX -DNDEBUG -Wno-maybe-uninitialized -fPIC -o $
-    $out -c $in
+    $out -c $in CFLAGS
   description = Compile C   $out
   deps = gcc
   depfile = $out.d
 build $obj/source_lua/linit.obj: c_source_lua_1 3rd/bee.lua/3rd/lua/linit.c
 build $obj/source_lua/onelua.obj: c_source_lua_1 3rd/bee.lua/3rd/lua/onelua.c
 rule cxx_source_bootstrap
-  command = $cc -MMD -MT $out -MF $out.d -std=c++17 -fno-rtti -O2 -Wall $
-    -Werror -fvisibility=hidden -I3rd/bee.lua/3rd/lua -I3rd/bee.lua $
-    -DLUA_USE_LINUX -DNDEBUG -fPIC -o $out -c $in
+  command = $cc -MMD -MT $out -MF $out.d -std=c++17 -fno-rtti -Wall $
+    -fvisibility=hidden -I3rd/bee.lua/3rd/lua -I3rd/bee.lua $
+    -DLUA_USE_LINUX -DNDEBUG -fPIC -o $out -c $in CXXFLAGS
   description = Compile C++ $out
   deps = gcc
   depfile = $out.d
@@ -106,7 +106,7 @@
     3rd/bee.lua/bootstrap/progdir.cpp
 rule link_bootstrap
   command = $cc $in -o $out -Wl,-E -static-libgcc -lm -ldl -lstdc++fs $
-    -pthread -Wl,-Bstatic -lstdc++ -Wl,-Bdynamic -s
+    -pthread -Wl,-Bstatic -lstdc++ -Wl,-Bdynamic LDFLAGS
   description = Link    Exe $out
 build $bin/bootstrap: link_bootstrap $obj/source_bootstrap/main.obj $
     $obj/source_bootstrap/progdir.obj $obj/source_bee/lua-seri.obj $
@@ -144,10 +144,10 @@
     3rd/bee.lua/test/test_thread.lua 3rd/bee.lua/test/test_time.lua | $
     $bin/bootstrap copy_script
 rule cxx_code_format
-  command = $cc -MMD -MT $out -MF $out.d -std=c++17 -O2 -Wall $
+  command = $cc -MMD -MT $out -MF $out.d -std=c++17 -Wall $
     -fvisibility=hidden -I3rd/EmmyLuaCodeStyle/include $
     -I3rd/bee.lua/3rd/lua -I3rd/EmmyLuaCodeStyle/3rd/wildcards/include $
-    -DNDEBUG -Wall -Werror -o $out -c $in
+    -DNDEBUG -Wall -o $out -c $in CXXFLAGS
   description = Compile C++ $out
   deps = gcc
   depfile = $out.d
@@ -244,9 +244,9 @@
 build $obj/code_format/Utf8.obj: cxx_code_format $
     3rd/EmmyLuaCodeStyle/Util/src/Utf8.cpp
 rule c_lpeglabel
-  command = $cc -MMD -MT $out -MF $out.d -std=c11 -O2 -Wall $
+  command = $cc -MMD -MT $out -MF $out.d -std=c11 -Wall $
     -fvisibility=hidden -I3rd/bee.lua/3rd/lua -DMAXRECLEVEL=1000 -DNDEBUG $
-    -o $out -c $in
+    -o $out -c $in CFLAGS
   description = Compile C   $out
   deps = gcc
   depfile = $out.d
@@ -256,9 +256,9 @@
 build $obj/lpeglabel/lpltree.obj: c_lpeglabel 3rd/lpeglabel/lpltree.c
 build $obj/lpeglabel/lplvm.obj: c_lpeglabel 3rd/lpeglabel/lplvm.c
 rule cxx_lua_language_server
-  command = $cc -MMD -MT $out -MF $out.d -std=c++17 -O2 -Wall $
+  command = $cc -MMD -MT $out -MF $out.d -std=c++17 -Wall $
     -fvisibility=hidden -I3rd/bee.lua -I3rd/bee.lua/3rd/lua -DCODE_FORMAT $
-    -DNDEBUG -o $out -c $in
+    -DNDEBUG -o $out -c $in CXXFLAGS
   description = Compile C++ $out
   deps = gcc
   depfile = $out.d
@@ -266,7 +266,7 @@
     make/modules.cpp
 rule link_lua_language_server
   command = $cc $in -o $out -lm -ldl -lstdc++fs -pthread -Wl,-Bstatic $
-    -lstdc++ -Wl,-Bdynamic -s
+    -lstdc++ -Wl,-Bdynamic LDFLAGS
   description = Link    Exe $out
 build $bin/lua-language-server: link_lua_language_server $
     $obj/lua-language-server/modules.obj $obj/lpeglabel/lplcap.obj $