diff --git a/vlib/v/builder/cc.v b/vlib/v/builder/cc.v
index daf3591a1d..b2d60dd569 100644
--- a/vlib/v/builder/cc.v
+++ b/vlib/v/builder/cc.v
@@ -6,6 +6,7 @@ module builder
 import (
 	os
 	time
+	v.cflag
 	v.pref
 	v.util
 	term
@@ -570,7 +571,7 @@ fn (c &Builder) build_thirdparty_obj_files() {
 	}
 }
 
-fn (v &Builder) build_thirdparty_obj_file(path string, moduleflags []CFlag) {
+fn (v &Builder) build_thirdparty_obj_file(path string, moduleflags []cflag.CFlag) {
 	obj_path := os.real_path(path)
 	if os.exists(obj_path) {
 		return
diff --git a/vlib/v/builder/cflags.v b/vlib/v/builder/cflags.v
index 87f1558c5e..4b2e9d9182 100644
--- a/vlib/v/builder/cflags.v
+++ b/vlib/v/builder/cflags.v
@@ -1,25 +1,10 @@
-// Copyright (c) 2019-2020 Alexander Medvednikov. All rights reserved.
-// Use of this source code is governed by an MIT license
-// that can be found in the LICENSE file.
 module builder
 
-import os
-
-// parsed cflag
-struct CFlag {
-	mod   string // the module in which the flag was given
-	os    string // eg. windows | darwin | linux
-	name  string // eg. -I
-	value string // eg. /path/to/include
-}
-
-pub fn (c &CFlag) str() string {
-	return 'CFlag{ name: "$c.name" value: "$c.value" mod: "$c.mod" os: "$c.os" }'
-}
+import v.cflag
 
 // get flags for current os
-fn (v &Builder) get_os_cflags() []CFlag {
-	mut flags := []CFlag
+fn (v &Builder) get_os_cflags() []cflag.CFlag {
+	mut flags := []cflag.CFlag
 	mut ctimedefines := []string
 	if v.pref.compile_defines.len > 0 {
 		ctimedefines << v.pref.compile_defines
@@ -38,8 +23,8 @@ fn (v &Builder) get_os_cflags() []CFlag {
 	return flags
 }
 
-fn (v &Builder) get_rest_of_module_cflags(c &CFlag) []CFlag {
-	mut flags := []CFlag
+fn (v &Builder) get_rest_of_module_cflags(c &cflag.CFlag) []cflag.CFlag {
+	mut flags := []cflag.CFlag
 	cflags := v.get_os_cflags()
 	for flag in cflags {
 		if c.mod == flag.mod {
@@ -52,67 +37,3 @@ fn (v &Builder) get_rest_of_module_cflags(c &CFlag) []CFlag {
 	return flags
 }
 
-// format flag
-fn (cf &CFlag) format() string {
-	mut value := cf.value
-	if cf.name in ['-l', '-Wa', '-Wl', '-Wp'] && value.len > 0 {
-		return '${cf.name}${value}'.trim_space()
-	}
-	// convert to absolute path
-	if cf.name == '-I' || cf.name == '-L' || value.ends_with('.o') {
-		value = '"' + os.real_path(value) + '"'
-	}
-	return '$cf.name $value'.trim_space()
-}
-
-// TODO: implement msvc specific c_options_before_target and c_options_after_target ...
-fn (cflags []CFlag) c_options_before_target_msvc() string {
-	return ''
-}
-
-fn (cflags []CFlag) c_options_after_target_msvc() string {
-	return ''
-}
-
-fn (cflags []CFlag) c_options_before_target() string {
-	// -I flags, optimization flags and so on
-	mut args := []string
-	for flag in cflags {
-		if flag.name != '-l' {
-			args << flag.format()
-		}
-	}
-	return args.join(' ')
-}
-
-fn (cflags []CFlag) c_options_after_target() string {
-	// -l flags (libs)
-	mut args := []string
-	for flag in cflags {
-		if flag.name == '-l' {
-			args << flag.format()
-		}
-	}
-	return args.join(' ')
-}
-
-fn (cflags []CFlag) c_options_without_object_files() string {
-	mut args := []string
-	for flag in cflags {
-		if flag.value.ends_with('.o') || flag.value.ends_with('.obj') {
-			continue
-		}
-		args << flag.format()
-	}
-	return args.join(' ')
-}
-
-fn (cflags []CFlag) c_options_only_object_files() string {
-	mut args := []string
-	for flag in cflags {
-		if flag.value.ends_with('.o') || flag.value.ends_with('.obj') {
-			args << flag.format()
-		}
-	}
-	return args.join(' ')
-}
diff --git a/vlib/v/builder/msvc.v b/vlib/v/builder/msvc.v
index bf0cd16395..86e890c90c 100644
--- a/vlib/v/builder/msvc.v
+++ b/vlib/v/builder/msvc.v
@@ -2,6 +2,7 @@ module builder
 
 import os
 import v.pref
+import v.cflag
 
 #flag windows -l shell32
 #flag windows -l dbghelp
@@ -304,7 +305,7 @@ pub fn (v mut Builder) cc_msvc() {
 	os.rm(out_name_obj)
 }
 
-fn build_thirdparty_obj_file_with_msvc(path string, moduleflags []CFlag) {
+fn build_thirdparty_obj_file_with_msvc(path string, moduleflags []cflag.CFlag) {
 	msvc := find_msvc()or{
 		println('Could not find visual studio')
 		return
@@ -355,7 +356,7 @@ mut:
 	other_flags []string
 }
 
-fn (cflags []CFlag) msvc_string_flags() MsvcStringFlags {
+fn (cflags []cflag.CFlag) msvc_string_flags() MsvcStringFlags {
 	mut real_libs := []string
 	mut inc_paths := []string
 	mut lib_paths := []string
diff --git a/vlib/v/cflag/cflags.v b/vlib/v/cflag/cflags.v
new file mode 100644
index 0000000000..6b61ac911d
--- /dev/null
+++ b/vlib/v/cflag/cflags.v
@@ -0,0 +1,83 @@
+// Copyright (c) 2019-2020 Alexander Medvednikov. All rights reserved.
+// Use of this source code is governed by an MIT license
+// that can be found in the LICENSE file.
+module cflag
+
+import os
+
+// parsed cflag
+struct CFlag {
+	mod   string // the module in which the flag was given
+	os    string // eg. windows | darwin | linux
+	name  string // eg. -I
+	value string // eg. /path/to/include
+}
+
+pub fn (c &CFlag) str() string {
+	return 'CFlag{ name: "$c.name" value: "$c.value" mod: "$c.mod" os: "$c.os" }'
+}
+
+// format flag
+pub fn (cf &CFlag) format() string {
+	mut value := cf.value
+	if cf.name in ['-l', '-Wa', '-Wl', '-Wp'] && value.len > 0 {
+		return '${cf.name}${value}'.trim_space()
+	}
+	// convert to absolute path
+	if cf.name == '-I' || cf.name == '-L' || value.ends_with('.o') {
+		value = '"' + os.real_path(value) + '"'
+	}
+	return '$cf.name $value'.trim_space()
+}
+
+// TODO: implement msvc specific c_options_before_target and c_options_after_target ...
+fn (cflags []CFlag) c_options_before_target_msvc() string {
+	return ''
+}
+
+fn (cflags []CFlag) c_options_after_target_msvc() string {
+	return ''
+}
+
+fn (cflags []CFlag) c_options_before_target() string {
+	// -I flags, optimization flags and so on
+	mut args := []string
+	for flag in cflags {
+		if flag.name != '-l' {
+			args << flag.format()
+		}
+	}
+	return args.join(' ')
+}
+
+fn (cflags []CFlag) c_options_after_target() string {
+	// -l flags (libs)
+	mut args := []string
+	for flag in cflags {
+		if flag.name == '-l' {
+			args << flag.format()
+		}
+	}
+	return args.join(' ')
+}
+
+fn (cflags []CFlag) c_options_without_object_files() string {
+	mut args := []string
+	for flag in cflags {
+		if flag.value.ends_with('.o') || flag.value.ends_with('.obj') {
+			continue
+		}
+		args << flag.format()
+	}
+	return args.join(' ')
+}
+
+fn (cflags []CFlag) c_options_only_object_files() string {
+	mut args := []string
+	for flag in cflags {
+		if flag.value.ends_with('.o') || flag.value.ends_with('.obj') {
+			args << flag.format()
+		}
+	}
+	return args.join(' ')
+}
diff --git a/vlib/v/table/cflags.v b/vlib/v/table/cflags.v
index 380e3266ab..476e7a5dc4 100644
--- a/vlib/v/table/cflags.v
+++ b/vlib/v/table/cflags.v
@@ -3,12 +3,12 @@
 // that can be found in the LICENSE file.
 module table
 
-import v.builder
+import v.cflag
 
 // check if cflag is in table
-fn (table &Table) has_cflag(cflag builder.CFlag) bool {
+fn (table &Table) has_cflag(flag cflag.CFlag) bool {
 	for cf in table.cflags {
-		if cf.os == cflag.os && cf.name == cflag.name && cf.value == cflag.value {
+		if cf.os == flag.os && cf.name == flag.name && cf.value == flag.value {
 			return true
 		}
 	}
@@ -17,9 +17,9 @@ fn (table &Table) has_cflag(cflag builder.CFlag) bool {
 
 // parse the flags to (table.cflags) []CFlag
 // Note: clean up big time (joe-c)
-pub fn (var table Table) parse_cflag(cflag, mod string, ctimedefines []string) ?bool {
+pub fn (var table Table) parse_cflag(cflg, mod string, ctimedefines []string) ?bool {
 	allowed_flags := ['framework', 'library', 'Wa', 'Wl', 'Wp', 'I', 'l', 'L']
-	flag_orig := cflag.trim_space()
+	flag_orig := cflg.trim_space()
 	var flag := flag_orig
 	if flag == '' {
 		return true
@@ -76,7 +76,7 @@ pub fn (var table Table) parse_cflag(cflag, mod string, ctimedefines []string) ?
 			hint := if name == '-l' { 'library name' } else { 'path' }
 			return error('bad #flag `$flag_orig`: missing $hint after `$name`')
 		}
-		cf := builder.CFlag{
+		cf := cflag.CFlag{
 			mod: mod
 			os: fos
 			name: name
diff --git a/vlib/v/table/table.v b/vlib/v/table/table.v
index 3d8d0a30f4..2e40d6dc46 100644
--- a/vlib/v/table/table.v
+++ b/vlib/v/table/table.v
@@ -4,7 +4,7 @@
 module table
 
 import os
-import v.builder
+import v.cflag
 
 pub struct Table {
 pub mut:
@@ -13,7 +13,7 @@ pub mut:
 	fns       map[string]Fn
 	imports   []string // List of all imports
 	modules   []string // List of all modules registered by the application
-	cflags    []builder.CFlag // TODO a different module? importing builder from table feels weird
+	cflags    []cflag.CFlag
 }
 
 pub struct Fn {