736 lines
21 KiB
V
736 lines
21 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 builder
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import os
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import time
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import v.cflag
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import v.pref
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import term
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const (
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c_error_info = '
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==================
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C error. This should never happen.
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If you were not working with C interop, please raise an issue on GitHub:
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https://github.com/vlang/v/issues/new/choose
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You can also use #help on Discord: https://discord.gg/vlang
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'
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no_compiler_error = '
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==================
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Error: no C compiler detected.
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You can find instructions on how to install one in the V wiki:
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https://github.com/vlang/v/wiki/Installing-a-C-compiler-on-Windows
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If you think you have one installed, make sure it is in your PATH.
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If you do have one in your PATH, please raise an issue on GitHub:
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https://github.com/vlang/v/issues/new/choose
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You can also use #help on Discord: https://discord.gg/vlang
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'
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)
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const (
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mingw_cc = 'x86_64-w64-mingw32-gcc'
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)
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fn todo() {
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}
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fn (v &Builder) find_win_cc() ?string {
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$if !windows { return none }
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os.exec('$v.pref.ccompiler -v') or {
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if v.pref.is_verbose {
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println('$v.pref.ccompiler not found, looking for msvc...')
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}
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find_msvc() or {
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if v.pref.is_verbose {
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println('msvc not found, looking for thirdparty/tcc...')
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}
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vpath := os.dir(os.getenv('VEXE'))
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thirdparty_tcc := os.join_path(vpath, 'thirdparty', 'tcc', 'tcc.exe')
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os.exec('$thirdparty_tcc -v') or {
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if v.pref.is_verbose {
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println('No C compiler found')
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}
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return none
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}
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return thirdparty_tcc
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}
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return 'msvc'
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}
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return v.pref.ccompiler
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}
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fn (mut v Builder) cc() {
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if os.executable().contains('vfmt') {
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return
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}
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if v.pref.is_verbose {
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println('builder.cc() pref.out_name="$v.pref.out_name"')
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}
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v.build_thirdparty_obj_files()
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vexe := pref.vexe_path()
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vdir := os.dir(vexe)
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// Just create a C/JavaScript file and exit
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// for example: `v -o v.c compiler`
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ends_with_c := v.pref.out_name.ends_with('.c')
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ends_with_js := v.pref.out_name.ends_with('.js')
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if ends_with_c || ends_with_js {
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v.pref.skip_running = true
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// Translating V code to JS by launching vjs.
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// Using a separate process for V.js is for performance mostly,
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// to avoid constant is_js checks.
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$if !js {
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if ends_with_js {
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vjs_path := vexe + 'js'
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if !os.exists(vjs_path) {
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println('V.js compiler not found, building...')
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// Build V.js. Specifying `-os js` makes V include
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// only _js.v files and ignore _c.v files.
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ret := os.system('$vexe -o $vjs_path -os js $vdir/cmd/v')
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if ret == 0 {
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println('Done.')
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} else {
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println('Failed.')
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exit(1)
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}
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}
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ret := os.system('$vjs_path -o $v.pref.out_name $v.pref.path')
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if ret == 0 {
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println('Done. Run it with `node $v.pref.out_name`')
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println('JS backend is at a very early stage.')
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}
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}
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}
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// v.out_name_c may be on a different partition than v.out_name
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os.mv_by_cp(v.out_name_c, v.pref.out_name) or {
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panic(err)
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}
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return
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}
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// Cross compiling for Windows
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if v.pref.os == .windows {
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$if !windows {
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v.cc_windows_cross()
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return
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}
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}
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mut ccompiler := v.pref.ccompiler
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$if windows {
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if ccompiler == 'msvc' {
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v.cc_msvc()
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return
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}
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}
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// arguments for the C compiler
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mut a := [ v.pref.cflags, '-std=gnu11', '-Wall', '-Wextra',
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// TODO : activate -Werror once no warnings remain
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// '-Werror',
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// TODO : try and remove the below workaround options when the corresponding
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// warnings are totally fixed/removed
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'-Wno-unused-variable',
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// '-Wno-unused-but-set-variable',
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'-Wno-unused-parameter', '-Wno-unused-result', '-Wno-unused-function', '-Wno-missing-braces',
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'-Wno-unused-label'
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]
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mut linker_flags := []string{}
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// TCC on Linux by default, unless -cc was provided
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// TODO if -cc = cc, TCC is still used, default compiler should be
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// used instead.
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if v.pref.fast {
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$if linux {
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$if !android {
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tcc_3rd := '$vdir/thirdparty/tcc/bin/tcc'
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// println('tcc third "$tcc_3rd"')
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tcc_path := '/var/tmp/tcc/bin/tcc'
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if os.exists(tcc_3rd) && !os.exists(tcc_path) {
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// println('moving tcc')
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// if there's tcc in thirdparty/, that means this is
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// a prebuilt V_linux.zip.
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// Until the libtcc1.a bug is fixed, we neeed to move
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// it to /var/tmp/
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os.system('mv $vdir/thirdparty/tcc /var/tmp/')
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}
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if v.pref.ccompiler == 'cc' && os.exists(tcc_path) {
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// TODO tcc bug, needs an empty libtcc1.a fila
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// os.mkdir('/var/tmp/tcc/lib/tcc/') or { panic(err) }
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// os.create('/var/tmp/tcc/lib/tcc/libtcc1.a')
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v.pref.ccompiler = tcc_path
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a << '-m64'
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}
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}
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} $else {
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verror('-fast is only supported on Linux right now')
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}
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}
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if !v.pref.is_shared && v.pref.build_mode != .build_module && os.user_os() == 'windows' &&
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!v.pref.out_name.ends_with('.exe') {
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v.pref.out_name += '.exe'
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}
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// linux_host := os.user_os() == 'linux'
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v.log('cc() isprod=$v.pref.is_prod outname=$v.pref.out_name')
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if v.pref.is_shared {
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linker_flags << '-shared'
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a << '-fPIC' // -Wl,-z,defs'
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$if macos {
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v.pref.out_name += '.dylib'
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} $else {
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v.pref.out_name += '.so'
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}
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}
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if v.pref.is_bare {
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a << '-fno-stack-protector'
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a << '-ffreestanding'
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linker_flags << '-static'
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linker_flags << '-nostdlib'
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}
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if v.pref.build_mode == .build_module {
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// Create the modules & out directory if it's not there.
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mut out_dir := if v.pref.path.starts_with('vlib') { '${pref.default_module_path}${os.path_separator}cache${os.path_separator}$v.pref.path' } else { '${pref.default_module_path}${os.path_separator}$v.pref.path' }
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pdir := out_dir.all_before_last(os.path_separator)
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if !os.is_dir(pdir) {
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os.mkdir_all(pdir)
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}
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v.pref.out_name = '${out_dir}.o' // v.out_name
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println('Building ${v.pref.out_name}...')
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}
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debug_mode := v.pref.is_debug
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mut debug_options := '-g'
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mut optimization_options := '-O2'
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mut guessed_compiler := v.pref.ccompiler
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if guessed_compiler == 'cc' && v.pref.is_prod {
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// deliberately guessing only for -prod builds for performance reasons
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if ccversion := os.exec('cc --version') {
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if ccversion.exit_code == 0 {
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if ccversion.output.contains('This is free software;') && ccversion.output.contains('Free Software Foundation, Inc.') {
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guessed_compiler = 'gcc'
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}
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if ccversion.output.contains('clang version ') {
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guessed_compiler = 'clang'
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}
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}
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}
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}
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//
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is_cc_tcc := ccompiler.contains('tcc') || guessed_compiler == 'tcc'
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is_cc_clang := !is_cc_tcc && (ccompiler.contains('clang') || guessed_compiler == 'clang')
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is_cc_gcc := !is_cc_tcc && !is_cc_clang && (ccompiler.contains('gcc') || guessed_compiler == 'gcc')
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// is_cc_msvc := v.pref.ccompiler.contains('msvc') || guessed_compiler == 'msvc'
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//
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if is_cc_clang {
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if debug_mode {
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debug_options = '-g -O0 -no-pie'
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}
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optimization_options = '-O3'
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mut have_flto := true
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$if openbsd {
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have_flto = false
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}
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if have_flto {
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optimization_options += ' -flto'
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}
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}
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if is_cc_gcc {
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if debug_mode {
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debug_options = '-g3 -no-pie'
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}
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optimization_options = '-O3 -fno-strict-aliasing -flto'
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}
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if debug_mode {
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a << debug_options
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$if macos {
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a << ' -ferror-limit=5000 '
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}
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}
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if v.pref.is_prod {
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a << optimization_options
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}
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if debug_mode && os.user_os() != 'windows' {
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linker_flags << ' -rdynamic ' // needed for nicer symbolic backtraces
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}
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if ccompiler != 'msvc' && v.pref.os != .freebsd {
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a << '-Werror=implicit-function-declaration'
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}
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if v.pref.is_liveshared || v.pref.is_livemain {
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if v.pref.os == .linux || os.user_os() == 'linux' {
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linker_flags << '-rdynamic'
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}
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if v.pref.os == .mac || os.user_os() == 'mac' {
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a << '-flat_namespace'
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}
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}
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mut libs := '' // builtin.o os.o http.o etc
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if v.pref.build_mode == .build_module {
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a << '-c'
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} else if v.pref.use_cache {
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/*
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QTODO
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builtin_o_path := os.join_path(pref.default_module_path, 'cache', 'vlib', 'builtin.o')
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a << builtin_o_path.replace('builtin.o', 'strconv.o') // TODO hack no idea why this is needed
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if os.exists(builtin_o_path) {
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libs = builtin_o_path
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}
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else {
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println('$builtin_o_path not found... building module builtin')
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os.system('$vexe build module vlib${os.path_separator}builtin')
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}
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for imp in v.table.imports {
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if imp.contains('vweb') {
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continue
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} // not working
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if imp == 'webview' {
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continue
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}
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imp_path := imp.replace('.', os.path_separator)
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path := '${pref.default_module_path}${os.path_separator}cache${os.path_separator}vlib${os.path_separator}${imp_path}.o'
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// println('adding ${imp_path}.o')
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if os.exists(path) {
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libs += ' ' + path
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}
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else {
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println('$path not found... building module $imp')
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os.system('$vexe build module vlib${os.path_separator}$imp_path')
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}
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if path.ends_with('vlib/ui.o') {
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a << '-framework Cocoa -framework Carbon'
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}
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}
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*/
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}
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if v.pref.sanitize {
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a << '-fsanitize=leak'
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}
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// Cross compiling for linux
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if v.pref.os == .linux {
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$if !linux {
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v.cc_linux_cross()
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return
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}
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}
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// Cross compiling windows
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//
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// Output executable name
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a << '-o "$v.pref.out_name"'
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if os.is_dir(v.pref.out_name) {
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verror("'$v.pref.out_name' is a directory")
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}
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// macOS code can include objective C TODO remove once objective C is replaced with C
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if v.pref.os == .mac {
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a << '-x objective-c'
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}
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// The C file we are compiling
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a << '"$v.out_name_c"'
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if v.pref.os == .mac {
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a << '-x none'
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}
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// Min macos version is mandatory I think?
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if v.pref.os == .mac {
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a << '-mmacosx-version-min=10.7'
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}
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if v.pref.os == .windows {
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a << '-municode'
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}
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cflags := v.get_os_cflags()
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// add .o files
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a << cflags.c_options_only_object_files()
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// add all flags (-I -l -L etc) not .o files
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a << cflags.c_options_without_object_files()
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a << libs
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// For C++ we must be very tolerant
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if guessed_compiler.contains('++') {
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a << '-fpermissive'
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a << '-w'
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}
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if v.pref.use_cache {
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//vexe := pref.vexe_path()
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cached_modules:= [ 'builtin', 'os', 'math', 'strconv', 'strings']
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for cfile in cached_modules{
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ofile := os.join_path(pref.default_module_path, 'cache', 'vlib', cfile + '.o')
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if !os.exists(ofile) {
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println('${cfile}.o is missing. Building...')
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println('$vexe build-module vlib/$cfile')
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os.system('$vexe build-module vlib/$cfile')
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}
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a << ofile
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}
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if !is_cc_tcc {
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$if linux {
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linker_flags << '-Xlinker -z'
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linker_flags << '-Xlinker muldefs'
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}
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}
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}
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if is_cc_tcc {
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a << '-bt10'
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}
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// Without these libs compilation will fail on Linux
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// || os.user_os() == 'linux'
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if !v.pref.is_bare && v.pref.build_mode != .build_module && v.pref.os in [ .linux, .freebsd,
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.openbsd, .netbsd, .dragonfly, .solaris, .haiku] {
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linker_flags << '-lm'
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linker_flags << '-lpthread'
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// -ldl is a Linux only thing. BSDs have it in libc.
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if v.pref.os == .linux {
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linker_flags << '-ldl'
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}
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if v.pref.os == .freebsd {
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// FreeBSD: backtrace needs execinfo library while linking
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linker_flags << '-lexecinfo'
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}
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}
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if !v.pref.is_bare && v.pref.os == .js && os.user_os() == 'linux' {
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linker_flags << '-lm'
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}
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args := a.join(' ') + ' ' + linker_flags.join(' ')
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start:
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todo()
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// TODO remove
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cmd := '${ccompiler} $args'
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// Run
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if v.pref.is_verbose || v.pref.show_cc {
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println('\n==========')
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println(cmd)
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}
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ticks := time.ticks()
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res := os.exec(cmd) or {
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// C compilation failed.
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// If we are on Windows, try msvc
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println('C compilation failed.')
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/*
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if os.user_os() == 'windows' && v.pref.ccompiler != 'msvc' {
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println('Trying to build with MSVC')
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v.cc_msvc()
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return
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}
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*/
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verror(err)
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return
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}
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if res.exit_code != 0 {
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// the command could not be found by the system
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if res.exit_code == 127 {
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$if linux {
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// TCC problems on linux? Try GCC.
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if ccompiler.contains('tcc') {
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v.pref.ccompiler = 'cc'
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goto start
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}
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}
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verror('C compiler error, while attempting to run: \n' + '-----------------------------------------------------------\n' +
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'$cmd\n' + '-----------------------------------------------------------\n' + 'Probably your C compiler is missing. \n' +
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'Please reinstall it, or make it available in your PATH.\n\n' + missing_compiler_info())
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}
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if v.pref.is_debug {
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eword := 'error:'
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khighlight := if term.can_show_color_on_stdout() { term.red(eword) } else { eword }
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println(res.output.trim_right('\r\n').replace(eword, khighlight))
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verror(c_error_info)
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} else {
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if res.output.len < 30 {
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println(res.output)
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} else {
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elines := error_context_lines(res.output, 'error:', 1, 12)
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println('==================')
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for eline in elines {
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println(eline)
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}
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println('...')
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println('==================')
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println('(Use `v -cg` to print the entire error message)\n')
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}
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verror(c_error_info)
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}
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}
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diff := time.ticks() - ticks
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// Print the C command
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if v.pref.is_verbose {
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println('${ccompiler} took $diff ms')
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println('=========\n')
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}
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// Link it if we are cross compiling and need an executable
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/*
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if v.os == .linux && !linux_host && v.pref.build_mode != .build {
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v.out_name = v.out_name.replace('.o', '')
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obj_file := v.out_name + '.o'
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println('linux obj_file=$obj_file out_name=$v.out_name')
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ress := os.exec('/usr/local/Cellar/llvm/8.0.0/bin/ld.lld --sysroot=$sysroot ' +
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'-v -o $v.out_name ' +
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'-m elf_x86_64 -dynamic-linker /lib64/ld-linux-x86-64.so.2 ' +
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'/usr/lib/x86_64-linux-gnu/crt1.o ' +
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'$sysroot/lib/x86_64-linux-gnu/libm-2.28.a ' +
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'/usr/lib/x86_64-linux-gnu/crti.o ' +
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obj_file +
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' /usr/lib/x86_64-linux-gnu/libc.so ' +
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'/usr/lib/x86_64-linux-gnu/crtn.o') or {
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verror(err)
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return
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|
}
|
|
println(ress.output)
|
|
println('linux cross compilation done. resulting binary: "$v.out_name"')
|
|
}
|
|
*/
|
|
if !v.pref.keep_c && v.out_name_c != 'v.c' {
|
|
os.rm(v.out_name_c)
|
|
}
|
|
if v.pref.compress {
|
|
$if windows {
|
|
println('-compress does not work on Windows for now')
|
|
return
|
|
}
|
|
ret := os.system('strip $v.pref.out_name')
|
|
if ret != 0 {
|
|
println('strip failed')
|
|
return
|
|
}
|
|
// NB: upx --lzma can sometimes fail with NotCompressibleException
|
|
// See https://github.com/vlang/v/pull/3528
|
|
mut ret2 := os.system('upx --lzma -qqq $v.pref.out_name')
|
|
if ret2 != 0 {
|
|
ret2 = os.system('upx -qqq $v.pref.out_name')
|
|
}
|
|
if ret2 != 0 {
|
|
println('upx failed')
|
|
$if macos {
|
|
println('install upx with `brew install upx`')
|
|
}
|
|
$if linux {
|
|
println('install upx\n' + 'for example, on Debian/Ubuntu run `sudo apt install upx`')
|
|
}
|
|
$if windows {
|
|
// :)
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
fn (mut c Builder) cc_linux_cross() {
|
|
parent_dir := os.home_dir() + '.vmodules'
|
|
sysroot := os.home_dir() + '.vmodules/linuxroot/'
|
|
if !os.is_dir(sysroot) {
|
|
println('Downloading files for Linux cross compilation (~18 MB)...')
|
|
zip_file := sysroot[..sysroot.len-1] + '.zip'
|
|
os.system('curl -L -o $zip_file https://github.com/vlang/v/releases/download/0.1.27/linuxroot.zip ')
|
|
os.system('unzip -q $zip_file -d $parent_dir')
|
|
if !os.is_dir(sysroot) {
|
|
println('Failed to download.')
|
|
exit(1)
|
|
}
|
|
}
|
|
|
|
mut cc_args := '-fPIC -w -c -target x86_64-linux-gnu -c -o x.o $c.out_name_c -I $sysroot/include'
|
|
if c.pref.show_cc {
|
|
println('cc $cc_args')
|
|
}
|
|
if os.system('cc $cc_args') != 0 {
|
|
println('Cross compilation for Linux failed. Make sure you have clang installed.')
|
|
}
|
|
|
|
linker_args := [
|
|
'-L $sysroot/usr/lib/x86_64-linux-gnu/'
|
|
'--sysroot=$sysroot -v -o $c.pref.out_name -m elf_x86_64'
|
|
'-dynamic-linker /lib/x86_64-linux-gnu/ld-linux-x86-64.so.2'
|
|
'$sysroot/crt1.o $sysroot/crti.o x.o'
|
|
//'SYSROOT/lib/x86_64-linux-gnu/libc.so.6'
|
|
'-lc'
|
|
//'-ldl'
|
|
//'SYSROOT/lib/x86_64-linux-gnu/libcrypto.so'
|
|
'-lcrypto'
|
|
'-lssl'
|
|
'-lpthread'
|
|
//'-dynamic-linker /usr/lib/x86_64-linux-gnu/libcrypto.so'
|
|
//'SYSROOT/lib/x86_64-linux-gnu/libssl.a'
|
|
'$sysroot/crtn.o'
|
|
]
|
|
linker_args_str := linker_args.join(' ')
|
|
cmd := '$sysroot/ld.lld ' + linker_args_str
|
|
//s = s.replace('SYSROOT', sysroot) // TODO $ inter bug
|
|
//s = s.replace('-o hi', '-o ' + c.pref.out_name)
|
|
if c.pref.show_cc {
|
|
println(cmd)
|
|
}
|
|
res := os.exec(cmd) or { return }
|
|
//println('output:')
|
|
//println(x.output)
|
|
if res.exit_code != 0 {
|
|
println('Cross compilation for Linux failed. Make sure you have clang installed.')
|
|
return
|
|
}
|
|
println(c.pref.out_name + ' has been successfully compiled')
|
|
}
|
|
|
|
fn (mut c Builder) cc_windows_cross() {
|
|
println('Cross compiling for Windows...')
|
|
if !c.pref.out_name.ends_with('.exe') {
|
|
c.pref.out_name += '.exe'
|
|
}
|
|
mut args := '-o $c.pref.out_name -w -L. '
|
|
cflags := c.get_os_cflags()
|
|
// -I flags
|
|
args += if c.pref.ccompiler == 'msvc' { cflags.c_options_before_target_msvc() } else { cflags.c_options_before_target() }
|
|
mut optimization_options := ''
|
|
mut debug_options := ''
|
|
if c.pref.is_prod {
|
|
optimization_options = if c.pref.ccompiler == 'msvc' { '' } else { ' -O3 -fno-strict-aliasing -flto ' }
|
|
}
|
|
if c.pref.is_debug {
|
|
debug_options = if c.pref.ccompiler == 'msvc' { '' } else { ' -g3 -no-pie ' }
|
|
}
|
|
mut libs := ''
|
|
if false && c.pref.build_mode == .default_mode {
|
|
libs = '"${pref.default_module_path}/vlib/builtin.o"'
|
|
if !os.exists(libs) {
|
|
println('`$libs` not found')
|
|
exit(1)
|
|
}
|
|
for imp in c.table.imports {
|
|
libs += ' "${pref.default_module_path}/vlib/${imp}.o"'
|
|
}
|
|
}
|
|
args += ' $c.out_name_c '
|
|
|
|
args += if c.pref.ccompiler == 'msvc' { cflags.c_options_after_target_msvc() } else { cflags.c_options_after_target() }
|
|
|
|
/*
|
|
winroot := '${pref.default_module_path}/winroot'
|
|
if !os.is_dir(winroot) {
|
|
winroot_url := 'https://github.com/vlang/v/releases/download/v0.1.10/winroot.zip'
|
|
println('"$winroot" not found.')
|
|
println('Download it from $winroot_url and save it in ${pref.default_module_path}')
|
|
println('Unzip it afterwards.\n')
|
|
println('winroot.zip contains all library and header files needed ' + 'to cross-compile for Windows.')
|
|
exit(1)
|
|
}
|
|
mut obj_name := c.out_name
|
|
obj_name = obj_name.replace('.exe', '')
|
|
obj_name = obj_name.replace('.o.o', '.o')
|
|
include := '-I $winroot/include '
|
|
*/
|
|
if os.user_os() !in ['mac', 'darwin','linux'] {
|
|
println(os.user_os())
|
|
panic('your platform is not supported yet')
|
|
}
|
|
mut cmd := '$mingw_cc $optimization_options $debug_options -std=gnu11 $args -municode'
|
|
//cmd := 'clang -o $obj_name -w $include -m32 -c -target x86_64-win32 ${pref.default_module_path}/$c.out_name_c'
|
|
if c.pref.is_verbose || c.pref.show_cc {
|
|
println(cmd)
|
|
}
|
|
if os.system(cmd) != 0 {
|
|
println('Cross compilation for Windows failed. Make sure you have mingw-w64 installed.')
|
|
$if macos {
|
|
println('brew install mingw-w64')
|
|
}
|
|
$if linux {
|
|
println('Try `sudo apt install -y mingw-w64` on Debian based distros, or `sudo pacman -S mingw-w64-gcc` on Arch, etc...')
|
|
}
|
|
exit(1)
|
|
}
|
|
/*
|
|
if c.pref.build_mode != .build_module {
|
|
link_cmd := 'lld-link $obj_name $winroot/lib/libcmt.lib ' + '$winroot/lib/libucrt.lib $winroot/lib/kernel32.lib $winroot/lib/libvcruntime.lib ' + '$winroot/lib/uuid.lib'
|
|
if c.pref.show_cc {
|
|
println(link_cmd)
|
|
}
|
|
if os.system(link_cmd) != 0 {
|
|
println('Cross compilation for Windows failed. Make sure you have lld linker installed.')
|
|
exit(1)
|
|
}
|
|
// os.rm(obj_name)
|
|
}
|
|
*/
|
|
println(c.pref.out_name + ' has been successfully compiled')
|
|
}
|
|
|
|
fn (c &Builder) build_thirdparty_obj_files() {
|
|
for flag in c.get_os_cflags() {
|
|
if flag.value.ends_with('.o') {
|
|
rest_of_module_flags := c.get_rest_of_module_cflags(flag)
|
|
if c.pref.ccompiler == 'msvc' {
|
|
build_thirdparty_obj_file_with_msvc(flag.value, rest_of_module_flags)
|
|
} else {
|
|
c.build_thirdparty_obj_file(flag.value, rest_of_module_flags)
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
fn (mut v Builder) build_thirdparty_obj_file(path string, moduleflags []cflag.CFlag) {
|
|
obj_path := os.real_path(path)
|
|
if v.pref.os == .windows {
|
|
// Cross compiling for Windows
|
|
$if !windows {
|
|
if os.exists(obj_path) {
|
|
os.rm(obj_path)
|
|
}
|
|
v.pref.ccompiler = mingw_cc
|
|
}
|
|
}
|
|
if os.exists(obj_path) {
|
|
return
|
|
}
|
|
println('$obj_path not found, building it...')
|
|
parent := os.dir(obj_path)
|
|
files := os.ls(parent) or {
|
|
panic(err)
|
|
}
|
|
mut cfiles := ''
|
|
for file in files {
|
|
if file.ends_with('.c') {
|
|
cfiles += '"' + os.real_path(parent + os.path_separator + file) + '" '
|
|
}
|
|
}
|
|
btarget := moduleflags.c_options_before_target()
|
|
atarget := moduleflags.c_options_after_target()
|
|
cppoptions := if v.pref.ccompiler.contains('++') { ' -fpermissive -w ' } else { '' }
|
|
cmd := '$v.pref.ccompiler $cppoptions $v.pref.third_party_option $btarget -c -o "$obj_path" $cfiles $atarget'
|
|
res := os.exec(cmd) or {
|
|
println('failed thirdparty object build cmd: $cmd')
|
|
verror(err)
|
|
return
|
|
}
|
|
if res.exit_code != 0 {
|
|
println('failed thirdparty object build cmd: $cmd')
|
|
verror(res.output)
|
|
return
|
|
}
|
|
println(res.output)
|
|
}
|
|
|
|
fn missing_compiler_info() string {
|
|
$if windows {
|
|
return 'https://github.com/vlang/v/wiki/Installing-a-C-compiler-on-Windows'
|
|
}
|
|
$if linux {
|
|
return 'On Debian/Ubuntu, run `sudo apt install build-essential`'
|
|
}
|
|
$if macos {
|
|
return 'Install command line XCode tools with `xcode-select --install`'
|
|
}
|
|
return ''
|
|
}
|
|
|
|
fn error_context_lines(text, keyword string, before, after int) []string {
|
|
khighlight := if term.can_show_color_on_stdout() { term.red(keyword) } else { keyword }
|
|
mut eline_idx := 0
|
|
mut lines := text.split_into_lines()
|
|
for idx, eline in lines {
|
|
if eline.contains(keyword) {
|
|
lines[idx] = lines[idx].replace(keyword, khighlight)
|
|
if eline_idx == 0 {
|
|
eline_idx = idx
|
|
}
|
|
}
|
|
}
|
|
idx_s := if eline_idx - before >= 0 { eline_idx - before } else { 0 }
|
|
idx_e := if idx_s + after < lines.len { idx_s + after } else { lines.len }
|
|
return lines[idx_s..idx_e]
|
|
}
|