86 lines
2.3 KiB
V
86 lines
2.3 KiB
V
// Copyright (c) 2019-2020 Alexander Medvednikov. All rights reserved.
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// Use of this source code is governed by an MIT license
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// that can be found in the LICENSE file.
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module pref
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import os
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pub const (
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default_module_path = os.home_dir() + '.vmodules'
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)
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pub fn (p mut Preferences) fill_with_defaults() {
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if p.vroot == '' {
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// Location of all vlib files
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p.vroot = os.dir(vexe_path())
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}
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vlib_path := os.join_path(p.vroot, 'vlib')
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if p.lookup_path.len == 0 {
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p.lookup_path = ['@vlib', '@vmodules']
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}
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for i, path in p.lookup_path {
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p.lookup_path[i] = path.replace('@vlib', vlib_path).replace('@vmodules', default_module_path)
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}
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rpath := os.real_path(p.path)
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if p.out_name == ''{
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filename := os.file_name(rpath).trim_space()
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mut base := filename.all_before_last('.')
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if base == '' {
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// The file name is just `.v` or `.vsh` or `.*`
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base = filename
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}
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target_dir := if os.is_dir(rpath) { rpath } else { os.dir(rpath) }
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p.out_name = os.join_path(target_dir, base)
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if rpath == '$p.vroot/cmd/v' && os.is_dir('vlib/compiler') {
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// Building V? Use v2, since we can't overwrite a running
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// executable on Windows + the precompiled V is more
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// optimized.
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println('Saving the resulting V executable in `./v2`')
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println('Use `v -o v cmd/v` if you want to replace current ' + 'V executable.')
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p.out_name = 'v2'
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}
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}
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rpath_name := os.file_name(rpath)
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p.building_v = !p.is_repl && (rpath_name == 'v' || rpath_name == 'vfmt.v')
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if p.os == ._auto {
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// No OS specifed? Use current system
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p.os = get_host_os()
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}
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if p.ccompiler == '' {
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p.ccompiler = default_c_compiler()
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}
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p.is_test = p.path.ends_with('_test.v')
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p.is_script = p.path.ends_with('.v') || p.path.ends_with('.vsh')
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if p.third_party_option == '' {
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p.third_party_option = p.cflags
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$if !windows {
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if !p.third_party_option.contains('-fPIC') {
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p.third_party_option += ' -fPIC'
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}
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}
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}
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}
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fn default_c_compiler() string {
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// fast_clang := '/usr/local/Cellar/llvm/8.0.0/bin/clang'
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// if os.exists(fast_clang) {
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// return fast_clang
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// }
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// TODO fix $if after 'string'
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$if windows {
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return 'gcc'
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}
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return 'cc'
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}
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pub fn vexe_path() string {
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vexe := os.getenv('VEXE')
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if vexe != '' {
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return vexe
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}
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real_vexe_path := os.real_path(os.executable())
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os.setenv('VEXE', real_vexe_path, true)
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return real_vexe_path
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}
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