mirror of
https://github.com/vlang/v.git
synced 2023-08-10 21:13:21 +03:00
992 lines
31 KiB
V
992 lines
31 KiB
V
// Copyright (c) 2019-2022 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 v.cflag
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import v.pref
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import v.util
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import v.vcache
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import term
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const c_verror_message_marker = 'VERROR_MESSAGE '
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const c_error_info = '
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==================
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C error. This should never happen.
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This is a compiler bug, please report it using `v bug file.v`.
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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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pub const 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 `v doctor`, to see what V knows about your current environment.
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You can also seek #help on Discord: https://discord.gg/vlang
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'
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pub fn (mut v Builder) find_win_cc() ? {
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$if !windows {
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return
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}
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ccompiler_version_res := os.execute('${os.quoted_path(v.pref.ccompiler)} -v')
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if ccompiler_version_res.exit_code != 0 {
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if v.pref.is_verbose {
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println('$v.pref.ccompiler not found, looking for msvc...')
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}
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find_msvc(v.pref.m64) or {
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if v.pref.is_verbose {
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println('msvc not found, looking for thirdparty/tcc...')
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}
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vpath := os.dir(pref.vexe_path())
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thirdparty_tcc := os.join_path(vpath, 'thirdparty', 'tcc', 'tcc.exe')
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tcc_version_res := os.execute('${os.quoted_path(thirdparty_tcc)} -v')
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if tcc_version_res.exit_code != 0 {
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if v.pref.is_verbose {
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println('tcc not found')
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}
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return error('tcc not found')
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}
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v.pref.ccompiler = thirdparty_tcc
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v.pref.ccompiler_type = .tinyc
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return
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}
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v.pref.ccompiler = 'msvc'
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v.pref.ccompiler_type = .msvc
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return
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}
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v.pref.ccompiler_type = pref.cc_from_string(v.pref.ccompiler)
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}
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fn (mut v Builder) show_c_compiler_output(res os.Result) {
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println('======== C Compiler output ========')
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println(res.output)
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println('=================================')
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}
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fn (mut v Builder) post_process_c_compiler_output(res os.Result) {
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if res.exit_code == 0 {
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if v.pref.reuse_tmpc {
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return
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}
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for tmpfile in v.pref.cleanup_files {
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if os.is_file(tmpfile) {
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if v.pref.is_verbose {
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eprintln('>> remove tmp file: $tmpfile')
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}
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os.rm(tmpfile) or {}
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}
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}
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return
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}
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if res.exit_code != 0 && v.pref.gc_mode != .no_gc && res.output.contains('libgc.a')
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&& !v.pref.is_o {
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$if windows {
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verror(r'Your V installation may be out-of-date. Try removing `thirdparty\tcc\` and running `.\make.bat`')
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} $else {
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verror('Your V installation may be out-of-date. Try removing `thirdparty/tcc/` and running `make`')
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}
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}
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for emsg_marker in [builder.c_verror_message_marker, 'error: include file '] {
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if res.output.contains(emsg_marker) {
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emessage := res.output.all_after(emsg_marker).all_before('\n').all_before('\r').trim_right('\r\n')
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verror(emessage)
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}
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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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} 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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}
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verror(builder.c_error_info)
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}
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fn (mut v Builder) show_cc(cmd string, response_file string, response_file_content string) {
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if v.pref.is_verbose || v.pref.show_cc {
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println('> C compiler cmd: $cmd')
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if v.pref.show_cc && !v.pref.no_rsp {
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println('> C compiler response file "$response_file":')
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println(response_file_content)
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}
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}
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}
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struct CcompilerOptions {
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mut:
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guessed_compiler string
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shared_postfix string // .so, .dll
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//
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//
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debug_mode bool
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is_cc_tcc bool
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is_cc_gcc bool
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is_cc_msvc bool
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is_cc_clang bool
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//
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env_cflags string // prepended *before* everything else
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env_ldflags string // appended *after* everything else
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//
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args []string // ordinary C options like `-O2`
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wargs []string // for `-Wxyz` *exclusively*
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pre_args []string // options that should go before .o_args
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o_args []string // for `-o target`
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source_args []string // for `x.tmp.c`
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post_args []string // options that should go after .o_args
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linker_flags []string // `-lm`
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}
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fn (mut v Builder) setup_ccompiler_options(ccompiler string) {
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mut ccoptions := CcompilerOptions{}
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//
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mut debug_options := ['-g']
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mut optimization_options := ['-O2']
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// arguments for the C compiler
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ccoptions.args = [v.pref.cflags]
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if !v.pref.no_std {
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if v.pref.os == .linux {
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ccoptions.args << '-std=gnu99 -D_DEFAULT_SOURCE'
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} else {
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ccoptions.args << '-std=c99 -D_DEFAULT_SOURCE'
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}
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}
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ccoptions.wargs = [
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'-Wall',
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'-Wextra',
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'-Werror',
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// if anything, these should be a `v vet` warning instead:
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'-Wno-unused-parameter',
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'-Wno-unused',
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'-Wno-type-limits',
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'-Wno-tautological-compare',
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// these cause various issues:
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'-Wno-shadow' /* the V compiler already catches this for user code, and enabling this causes issues with e.g. the `it` variable */,
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'-Wno-int-to-pointer-cast' /* gcc version of the above */,
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'-Wno-trigraphs' /* see stackoverflow.com/a/8435413 */,
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'-Wno-missing-braces' /* see stackoverflow.com/q/13746033 */,
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// enable additional warnings:
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'-Wno-unknown-warning' /* if a C compiler does not understand a certain flag, it should just ignore it */,
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'-Wno-unknown-warning-option' /* clang equivalent of the above */,
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'-Wno-excess-initializers' /* vlib/v/tests/struct_init_with_complex_fields_test.v fails without that on macos clang 13 */,
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'-Wdate-time',
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'-Wduplicated-branches',
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'-Wduplicated-cond',
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'-Winit-self',
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'-Winvalid-pch',
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'-Wjump-misses-init',
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'-Wlogical-op',
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'-Wmultichar',
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'-Wnested-externs',
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'-Wnull-dereference',
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'-Wpacked',
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'-Wpointer-arith',
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'-Wswitch-enum',
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]
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if v.pref.os == .ios {
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ccoptions.args << '-fobjc-arc'
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}
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if v.pref.os == .macos && os.exists('/opt/procursus') {
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ccoptions.linker_flags << '-Wl,-rpath,/opt/procursus/lib'
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}
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mut user_darwin_version := 999_999_999
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mut user_darwin_ppc := false
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$if macos {
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user_darwin_version = os.uname().release.split('.')[0].int()
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if os.uname().machine == 'Power Macintosh' {
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user_darwin_ppc = true
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}
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}
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ccoptions.debug_mode = v.pref.is_debug
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ccoptions.guessed_compiler = v.pref.ccompiler
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if ccoptions.guessed_compiler == 'cc' && v.pref.is_prod {
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// deliberately guessing only for -prod builds for performance reasons
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ccversion := os.execute('${os.quoted_path('cc')} --version')
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if ccversion.exit_code == 0 {
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if ccversion.output.contains('This is free software;')
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&& ccversion.output.contains('Free Software Foundation, Inc.') {
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ccoptions.guessed_compiler = 'gcc'
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}
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if ccversion.output.contains('clang version ') {
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ccoptions.guessed_compiler = 'clang'
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}
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}
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}
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//
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ccoptions.is_cc_tcc = ccompiler.contains('tcc') || ccoptions.guessed_compiler == 'tcc'
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ccoptions.is_cc_gcc = ccompiler.contains('gcc') || ccoptions.guessed_compiler == 'gcc'
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ccoptions.is_cc_msvc = ccompiler.contains('msvc') || ccoptions.guessed_compiler == 'msvc'
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ccoptions.is_cc_clang = ccompiler.contains('clang') || ccoptions.guessed_compiler == 'clang'
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// For C++ we must be very tolerant
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if ccoptions.guessed_compiler.contains('++') {
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ccoptions.args << '-fpermissive'
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ccoptions.args << '-w'
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}
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if ccoptions.is_cc_clang {
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if ccoptions.debug_mode {
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debug_options = ['-g', '-O0']
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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 || windows {
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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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ccoptions.wargs << [
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'-Wno-tautological-bitwise-compare',
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'-Wno-enum-conversion' /* used in vlib/sokol, where C enums in C structs are typed as V structs instead */,
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'-Wno-sometimes-uninitialized' /* produced after exhaustive matches */,
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'-Wno-int-to-void-pointer-cast',
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]
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}
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if ccoptions.is_cc_gcc {
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if ccoptions.debug_mode {
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debug_options = ['-g']
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if user_darwin_version > 9 {
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debug_options << '-no-pie'
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}
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}
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optimization_options = ['-O3', '-fno-strict-aliasing', '-flto']
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}
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//
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if ccoptions.debug_mode {
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ccoptions.args << debug_options
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// $if macos {
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// args << '-ferror-limit=5000'
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// }
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}
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if v.pref.is_prod {
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// don't warn for vlib tests
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if ccoptions.is_cc_tcc && !(v.parsed_files.len > 0
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&& v.parsed_files.last().path.contains('vlib')) {
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eprintln('Note: tcc is not recommended for -prod builds')
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}
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ccoptions.args << optimization_options
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}
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if v.pref.is_prod && !ccoptions.debug_mode {
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// sokol and other C libraries that use asserts
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// have much better performance when NDEBUG is defined
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// See also http://www.open-std.org/jtc1/sc22/wg14/www/docs/n1256.pdf
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ccoptions.args << '-DNDEBUG'
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}
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if v.pref.sanitize {
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ccoptions.args << '-fsanitize=leak'
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}
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if v.pref.is_o {
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ccoptions.args << '-c'
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}
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//
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ccoptions.shared_postfix = '.so'
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$if macos {
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ccoptions.shared_postfix = '.dylib'
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} $else $if windows {
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ccoptions.shared_postfix = '.dll'
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}
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if v.pref.is_shared {
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ccoptions.linker_flags << '-shared'
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$if !windows {
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ccoptions.args << '-fPIC' // -Wl,-z,defs'
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}
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}
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if v.pref.is_bare && v.pref.os != .wasm32 {
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ccoptions.args << '-fno-stack-protector'
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ccoptions.args << '-ffreestanding'
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ccoptions.linker_flags << '-static'
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ccoptions.linker_flags << '-nostdlib'
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} else if v.pref.os == .wasm32 {
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ccoptions.args << '--no-standard-libraries'
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ccoptions.args << '-target wasm32-unknown-unknown'
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ccoptions.args << '-static'
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ccoptions.args << '-nostdlib'
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ccoptions.args << '-ffreestanding'
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ccoptions.args << '-Wl,--export-all'
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ccoptions.args << '-Wl,--no-entry'
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}
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if ccoptions.debug_mode && os.user_os() != 'windows' && v.pref.build_mode != .build_module {
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ccoptions.linker_flags << '-rdynamic' // needed for nicer symbolic backtraces
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}
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if v.pref.os == .freebsd {
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// Needed for -usecache on FreeBSD 13, otherwise we get `ld: error: duplicate symbol: _const_math__bits__de_bruijn32` errors there
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if !ccoptions.is_cc_tcc {
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ccoptions.linker_flags << '-Wl,--allow-multiple-definition'
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} else {
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// tcc needs this, otherwise it fails to compile the runetype.h system header with:
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// /usr/include/runetype.h:94: error: ';' expected (got "const")
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ccoptions.args << '-D__RUNETYPE_INTERNAL'
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}
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}
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if ccompiler != 'msvc' && v.pref.os != .freebsd {
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ccoptions.wargs << '-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') && v.pref.build_mode != .build_module {
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ccoptions.linker_flags << '-rdynamic'
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}
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if v.pref.os == .macos || os.user_os() == 'macos' {
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ccoptions.args << '-flat_namespace'
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}
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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 == .macos || v.pref.os == .ios {
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if !ccoptions.is_cc_tcc && !user_darwin_ppc {
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ccoptions.source_args << '-x objective-c'
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}
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}
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// The C file we are compiling
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ccoptions.source_args << '"$v.out_name_c"'
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if v.pref.os == .macos {
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ccoptions.source_args << '-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 == .macos {
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ccoptions.post_args << '-mmacosx-version-min=10.7'
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} else if v.pref.os == .ios {
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if v.pref.is_ios_simulator {
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ccoptions.post_args << '-miphonesimulator-version-min=10.0'
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} else {
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ccoptions.post_args << '-miphoneos-version-min=10.0'
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}
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} else if v.pref.os == .windows {
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ccoptions.post_args << '-municode'
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}
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cflags := v.get_os_cflags()
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if v.pref.build_mode != .build_module {
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only_o_files := cflags.c_options_only_object_files()
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ccoptions.o_args << only_o_files
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}
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defines, others, libs := cflags.defines_others_libs()
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ccoptions.pre_args << defines
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ccoptions.pre_args << others
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ccoptions.linker_flags << libs
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if v.pref.use_cache && v.pref.build_mode != .build_module {
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if !ccoptions.is_cc_tcc {
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$if linux {
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ccoptions.linker_flags << '-Xlinker -z'
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ccoptions.linker_flags << '-Xlinker muldefs'
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}
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}
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}
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if ccoptions.is_cc_tcc && 'no_backtrace' !in v.pref.compile_defines {
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ccoptions.post_args << '-bt25'
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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
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&& v.pref.os in [.linux, .freebsd, .openbsd, .netbsd, .dragonfly, .solaris, .haiku] {
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if v.pref.os in [.freebsd, .netbsd] {
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// Free/NetBSD: backtrace needs execinfo library while linking
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ccoptions.linker_flags << '-lexecinfo'
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}
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}
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ccoptions.env_cflags = os.getenv('CFLAGS')
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ccoptions.env_ldflags = os.getenv('LDFLAGS')
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$if trace_ccoptions ? {
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println('>>> setup_ccompiler_options ccompiler: $ccompiler')
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println('>>> setup_ccompiler_options ccoptions: $ccoptions')
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}
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v.ccoptions = ccoptions
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// setup the cache too, so that different compilers/options do not interfere:
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v.pref.cache_manager.set_temporary_options(v.thirdparty_object_args(v.ccoptions, [
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ccoptions.guessed_compiler,
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]))
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}
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fn (v &Builder) all_args(ccoptions CcompilerOptions) []string {
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mut all := []string{}
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all << ccoptions.env_cflags
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if v.pref.is_cstrict {
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all << ccoptions.wargs
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}
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all << ccoptions.args
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all << ccoptions.o_args
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$if windows {
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// Adding default options for tcc, gcc and clang as done in msvc.v.
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// This is done before pre_args is added so that it can be overwritten if needed.
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// -Wl,-stack=16777216 == /F 16777216
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// -Werror=implicit-function-declaration == /we4013
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// /volatile:ms - there seems to be no equivalent,
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// normally msvc should use /volatile:iso
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// but it could have an impact on vinix if it is created with msvc.
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if !ccoptions.is_cc_msvc {
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all << '-Wl,-stack=16777216'
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if !v.pref.is_cstrict {
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all << '-Werror=implicit-function-declaration'
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}
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}
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}
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all << ccoptions.pre_args
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all << ccoptions.source_args
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all << ccoptions.post_args
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// in `build-mode`, we do not need -lxyz flags, since we are
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// building an (.o) object file, that will be linked later.
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if v.pref.build_mode != .build_module {
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all << ccoptions.linker_flags
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}
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all << ccoptions.env_ldflags
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return all
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}
|
|
|
|
fn (v &Builder) thirdparty_object_args(ccoptions CcompilerOptions, middle []string) []string {
|
|
mut all := []string{}
|
|
all << ccoptions.env_cflags
|
|
all << ccoptions.args
|
|
all << middle
|
|
all << ccoptions.env_ldflags
|
|
return all
|
|
}
|
|
|
|
fn (mut v Builder) setup_output_name() {
|
|
if !v.pref.is_shared && v.pref.build_mode != .build_module && os.user_os() == 'windows'
|
|
&& !v.pref.out_name.ends_with('.exe') {
|
|
v.pref.out_name += '.exe'
|
|
}
|
|
// Output executable name
|
|
v.log('cc() isprod=$v.pref.is_prod outname=$v.pref.out_name')
|
|
if v.pref.is_shared {
|
|
if !v.pref.out_name.ends_with(v.ccoptions.shared_postfix) {
|
|
v.pref.out_name += v.ccoptions.shared_postfix
|
|
}
|
|
}
|
|
if v.pref.build_mode == .build_module {
|
|
v.pref.out_name = v.pref.cache_manager.postfix_with_key2cpath('.o', v.pref.path) // v.out_name
|
|
if v.pref.is_verbose {
|
|
println('Building $v.pref.path to $v.pref.out_name ...')
|
|
}
|
|
v.pref.cache_manager.save('.description.txt', v.pref.path, '${v.pref.path:-30} @ $v.pref.cache_manager.vopts\n') or {
|
|
panic(err)
|
|
}
|
|
// println('v.ast.imports:')
|
|
// println(v.ast.imports)
|
|
}
|
|
if os.is_dir(v.pref.out_name) {
|
|
verror("'$v.pref.out_name' is a directory")
|
|
}
|
|
v.ccoptions.o_args << '-o "$v.pref.out_name"'
|
|
}
|
|
|
|
pub fn (mut v Builder) cc() {
|
|
if os.executable().contains('vfmt') {
|
|
return
|
|
}
|
|
if v.pref.is_verbose {
|
|
println('builder.cc() pref.out_name="$v.pref.out_name"')
|
|
}
|
|
if v.pref.only_check_syntax {
|
|
if v.pref.is_verbose {
|
|
println('builder.cc returning early, since pref.only_check_syntax is true')
|
|
}
|
|
return
|
|
}
|
|
if v.pref.check_only {
|
|
if v.pref.is_verbose {
|
|
println('builder.cc returning early, since pref.check_only is true')
|
|
}
|
|
return
|
|
}
|
|
if v.pref.should_output_to_stdout() {
|
|
// output to stdout
|
|
content := os.read_file(v.out_name_c) or { panic(err) }
|
|
println(content)
|
|
os.rm(v.out_name_c) or {}
|
|
return
|
|
}
|
|
// whether to just create a .c or .js file and exit, for example: `v -o v.c cmd.v`
|
|
ends_with_c := v.pref.out_name.ends_with('.c')
|
|
ends_with_js := v.pref.out_name.ends_with('.js')
|
|
if ends_with_c || ends_with_js {
|
|
v.pref.skip_running = true
|
|
msg_mv := 'os.mv_by_cp $v.out_name_c => $v.pref.out_name'
|
|
util.timing_start(msg_mv)
|
|
// v.out_name_c may be on a different partition than v.out_name
|
|
os.mv_by_cp(v.out_name_c, v.pref.out_name) or { panic(err) }
|
|
util.timing_measure(msg_mv)
|
|
return
|
|
}
|
|
// Cross compiling for Windows
|
|
if v.pref.os == .windows && v.pref.ccompiler != 'msvc' {
|
|
$if !windows {
|
|
v.cc_windows_cross()
|
|
return
|
|
}
|
|
}
|
|
// Cross compiling for Linux
|
|
if v.pref.os == .linux {
|
|
$if !linux {
|
|
v.cc_linux_cross()
|
|
return
|
|
}
|
|
}
|
|
//
|
|
vexe := pref.vexe_path()
|
|
vdir := os.dir(vexe)
|
|
mut tried_compilation_commands := []string{}
|
|
mut tcc_output := os.Result{}
|
|
original_pwd := os.getwd()
|
|
for {
|
|
// try to compile with the choosen compiler
|
|
// if compilation fails, retry again with another
|
|
mut ccompiler := v.pref.ccompiler
|
|
if v.pref.os == .wasm32 {
|
|
ccompiler = 'clang'
|
|
}
|
|
v.setup_ccompiler_options(ccompiler)
|
|
v.build_thirdparty_obj_files()
|
|
v.setup_output_name()
|
|
|
|
if v.pref.os != .windows && ccompiler.contains('++') {
|
|
cpp_atomic_h_path := '${@VEXEROOT}/thirdparty/stdatomic/nix/cpp/atomic.h'
|
|
if !os.exists(cpp_atomic_h_path) {
|
|
for file in v.parsed_files {
|
|
if file.imports.any(it.mod.contains('sync')) {
|
|
$if trace_stdatomic_gen ? {
|
|
eprintln('> creating $cpp_atomic_h_path ...')
|
|
}
|
|
cppgenv := '${@VEXEROOT}/thirdparty/stdatomic/nix/cpp/gen.v'
|
|
os.execute('${os.quoted_path(vexe)} run ${os.quoted_path(cppgenv)} ${os.quoted_path(ccompiler)}')
|
|
break
|
|
}
|
|
}
|
|
}
|
|
}
|
|
if v.pref.build_mode == .build_module {
|
|
v.ccoptions.pre_args << '-c'
|
|
}
|
|
v.handle_usecache(vexe)
|
|
if ccompiler == 'msvc' {
|
|
v.cc_msvc()
|
|
return
|
|
}
|
|
//
|
|
all_args := v.all_args(v.ccoptions)
|
|
v.dump_c_options(all_args)
|
|
str_args := all_args.join(' ')
|
|
mut cmd := '${os.quoted_path(ccompiler)} $str_args'
|
|
mut response_file := ''
|
|
mut response_file_content := str_args
|
|
if !v.pref.no_rsp {
|
|
response_file = '${v.out_name_c}.rsp'
|
|
response_file_content = str_args.replace('\\', '\\\\')
|
|
rspexpr := '@$response_file'
|
|
cmd = '${os.quoted_path(ccompiler)} ${os.quoted_path(rspexpr)}'
|
|
os.write_file(response_file, response_file_content) or {
|
|
verror('Unable to write to C response file "$response_file"')
|
|
}
|
|
}
|
|
if !v.ccoptions.debug_mode {
|
|
v.pref.cleanup_files << v.out_name_c
|
|
if !v.pref.no_rsp {
|
|
v.pref.cleanup_files << response_file
|
|
}
|
|
}
|
|
$if windows {
|
|
if v.ccoptions.is_cc_tcc {
|
|
def_name := v.pref.out_name[0..v.pref.out_name.len - 4]
|
|
v.pref.cleanup_files << '${def_name}.def'
|
|
}
|
|
}
|
|
//
|
|
os.chdir(vdir) or {}
|
|
tried_compilation_commands << cmd
|
|
v.show_cc(cmd, response_file, response_file_content)
|
|
// Run
|
|
ccompiler_label := 'C ${os.file_name(ccompiler):3}'
|
|
util.timing_start(ccompiler_label)
|
|
res := os.execute(cmd)
|
|
util.timing_measure(ccompiler_label)
|
|
if v.pref.show_c_output {
|
|
v.show_c_compiler_output(res)
|
|
}
|
|
os.chdir(original_pwd) or {}
|
|
vcache.dlog('| Builder.' + @FN, '> v.pref.use_cache: $v.pref.use_cache | v.pref.retry_compilation: $v.pref.retry_compilation')
|
|
vcache.dlog('| Builder.' + @FN, '> cmd res.exit_code: $res.exit_code | cmd: $cmd')
|
|
vcache.dlog('| Builder.' + @FN, '> response_file_content:\n$response_file_content')
|
|
if res.exit_code != 0 {
|
|
if ccompiler.contains('tcc.exe') {
|
|
// a TCC problem? Retry with the system cc:
|
|
if tried_compilation_commands.len > 1 {
|
|
eprintln('Recompilation loop detected (ccompiler: $ccompiler):')
|
|
for recompile_command in tried_compilation_commands {
|
|
eprintln(' $recompile_command')
|
|
}
|
|
exit(101)
|
|
}
|
|
if v.pref.retry_compilation {
|
|
tcc_output = res
|
|
v.pref.default_c_compiler()
|
|
if v.pref.is_verbose {
|
|
eprintln('Compilation with tcc failed. Retrying with $v.pref.ccompiler ...')
|
|
}
|
|
continue
|
|
}
|
|
}
|
|
if res.exit_code == 127 {
|
|
verror('C compiler error, while attempting to run: \n' +
|
|
'-----------------------------------------------------------\n' + '$cmd\n' +
|
|
'-----------------------------------------------------------\n' +
|
|
'Probably your C compiler is missing. \n' +
|
|
'Please reinstall it, or make it available in your PATH.\n\n' +
|
|
missing_compiler_info())
|
|
}
|
|
}
|
|
if !v.pref.show_c_output {
|
|
// if tcc failed once, and the system C compiler has failed as well,
|
|
// print the tcc error instead since it may contain more useful information
|
|
// see https://discord.com/channels/592103645835821068/592115457029308427/811956304314761228
|
|
if res.exit_code != 0 && tcc_output.output != '' {
|
|
v.post_process_c_compiler_output(tcc_output)
|
|
} else {
|
|
v.post_process_c_compiler_output(res)
|
|
}
|
|
}
|
|
// Print the C command
|
|
if v.pref.is_verbose {
|
|
println('$ccompiler')
|
|
println('=========\n')
|
|
}
|
|
break
|
|
}
|
|
if v.pref.compress {
|
|
ret := os.system('strip $v.pref.out_name')
|
|
if ret != 0 {
|
|
println('strip failed')
|
|
return
|
|
}
|
|
// Note: 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 {
|
|
println('install upx')
|
|
}
|
|
}
|
|
}
|
|
// if v.pref.os == .ios {
|
|
// ret := os.system('ldid2 -S $v.pref.out_name')
|
|
// if ret != 0 {
|
|
// eprintln('failed to run ldid2, try: brew install ldid')
|
|
// }
|
|
// }
|
|
}
|
|
|
|
fn (mut b Builder) ensure_linuxroot_exists(sysroot string) {
|
|
crossrepo_url := 'https://github.com/spytheman/vlinuxroot'
|
|
sysroot_git_config_path := os.join_path(sysroot, '.git', 'config')
|
|
if os.is_dir(sysroot) && !os.exists(sysroot_git_config_path) {
|
|
// remove existing obsolete unarchived .zip file content
|
|
os.rmdir_all(sysroot) or {}
|
|
}
|
|
if !os.is_dir(sysroot) {
|
|
println('Downloading files for Linux cross compilation (~22MB) ...')
|
|
os.system('git clone $crossrepo_url $sysroot')
|
|
if !os.exists(sysroot_git_config_path) {
|
|
verror('Failed to clone `$crossrepo_url` to `$sysroot`')
|
|
}
|
|
os.chmod(os.join_path(sysroot, 'ld.lld'), 0o755) or { panic(err) }
|
|
}
|
|
}
|
|
|
|
fn (mut b Builder) cc_linux_cross() {
|
|
b.setup_ccompiler_options(b.pref.ccompiler)
|
|
b.build_thirdparty_obj_files()
|
|
b.setup_output_name()
|
|
parent_dir := os.vmodules_dir()
|
|
if !os.exists(parent_dir) {
|
|
os.mkdir(parent_dir) or { panic(err) }
|
|
}
|
|
sysroot := os.join_path(os.vmodules_dir(), 'linuxroot')
|
|
b.ensure_linuxroot_exists(sysroot)
|
|
obj_file := b.out_name_c + '.o'
|
|
cflags := b.get_os_cflags()
|
|
defines, others, libs := cflags.defines_others_libs()
|
|
mut cc_args := []string{}
|
|
cc_args << '-w'
|
|
cc_args << '-fPIC'
|
|
cc_args << '-c'
|
|
cc_args << '-target x86_64-linux-gnu'
|
|
cc_args << defines
|
|
cc_args << '-I $sysroot/include '
|
|
cc_args << others
|
|
cc_args << '-o "$obj_file"'
|
|
cc_args << '-c "$b.out_name_c"'
|
|
cc_args << libs
|
|
b.dump_c_options(cc_args)
|
|
cc_cmd := '${os.quoted_path('cc')} ' + cc_args.join(' ')
|
|
if b.pref.show_cc {
|
|
println(cc_cmd)
|
|
}
|
|
cc_res := os.execute(cc_cmd)
|
|
if cc_res.exit_code != 0 {
|
|
println('Cross compilation for Linux failed (first step, cc). Make sure you have clang installed.')
|
|
verror(cc_res.output)
|
|
return
|
|
}
|
|
mut linker_args := ['-L$sysroot/usr/lib/x86_64-linux-gnu/', '-L$sysroot/lib/x86_64-linux-gnu',
|
|
'--sysroot=$sysroot', '-v', '-o $b.pref.out_name', '-m elf_x86_64',
|
|
'-dynamic-linker /lib/x86_64-linux-gnu/ld-linux-x86-64.so.2',
|
|
'$sysroot/crt1.o $sysroot/crti.o $obj_file', '-lc', '-lcrypto', '-lssl', '-lpthread',
|
|
'$sysroot/crtn.o', '-lm']
|
|
linker_args << cflags.c_options_only_object_files()
|
|
// -ldl
|
|
b.dump_c_options(linker_args)
|
|
ldlld := '$sysroot/ld.lld'
|
|
linker_cmd := '${os.quoted_path(ldlld)} ' + linker_args.join(' ')
|
|
// s = s.replace('SYSROOT', sysroot) // TODO $ inter bug
|
|
// s = s.replace('-o hi', '-o ' + c.pref.out_name)
|
|
if b.pref.show_cc {
|
|
println(linker_cmd)
|
|
}
|
|
res := os.execute(linker_cmd)
|
|
if res.exit_code != 0 {
|
|
println('Cross compilation for Linux failed (second step, lld).')
|
|
verror(res.output)
|
|
return
|
|
}
|
|
println(b.pref.out_name + ' has been successfully compiled')
|
|
}
|
|
|
|
fn (mut c Builder) cc_windows_cross() {
|
|
println('Cross compiling for Windows...')
|
|
c.setup_ccompiler_options(c.pref.ccompiler)
|
|
c.build_thirdparty_obj_files()
|
|
c.setup_output_name()
|
|
if !c.pref.out_name.to_lower().ends_with('.exe') {
|
|
c.pref.out_name += '.exe'
|
|
}
|
|
c.pref.out_name = os.quoted_path(c.pref.out_name)
|
|
mut args := []string{}
|
|
args << '$c.pref.cflags'
|
|
args << '-o $c.pref.out_name'
|
|
args << '-w -L.'
|
|
//
|
|
cflags := c.get_os_cflags()
|
|
// -I flags
|
|
if c.pref.ccompiler == 'msvc' {
|
|
args << cflags.c_options_before_target_msvc()
|
|
} else {
|
|
args << cflags.c_options_before_target()
|
|
}
|
|
mut optimization_options := []string{}
|
|
mut debug_options := []string{}
|
|
if c.pref.is_prod {
|
|
if c.pref.ccompiler != 'msvc' {
|
|
optimization_options = ['-O3', '-fno-strict-aliasing', '-flto']
|
|
}
|
|
}
|
|
if c.pref.is_debug {
|
|
if c.pref.ccompiler != 'msvc' {
|
|
debug_options = ['-O0', '-g', '-gdwarf-2']
|
|
}
|
|
}
|
|
mut libs := []string{}
|
|
if false && c.pref.build_mode == .default_mode {
|
|
builtin_o := '"$pref.default_module_path/vlib/builtin.o"'
|
|
libs << builtin_o
|
|
if !os.exists(builtin_o) {
|
|
verror('$builtin_o not found')
|
|
}
|
|
for imp in c.table.imports {
|
|
libs << '"$pref.default_module_path/vlib/${imp}.o"'
|
|
}
|
|
}
|
|
// add the thirdparty .o files, produced by all the #flag directives:
|
|
args << cflags.c_options_only_object_files()
|
|
args << os.quoted_path(c.out_name_c)
|
|
if c.pref.ccompiler == 'msvc' {
|
|
args << cflags.c_options_after_target_msvc()
|
|
} else {
|
|
args << cflags.c_options_after_target()
|
|
}
|
|
/*
|
|
winroot := '${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 ['macos', 'linux'] {
|
|
println(os.user_os())
|
|
panic('your platform is not supported yet')
|
|
}
|
|
mut all_args := []string{}
|
|
all_args << optimization_options
|
|
all_args << debug_options
|
|
all_args << '-std=gnu11'
|
|
all_args << args
|
|
all_args << '-municode'
|
|
c.dump_c_options(all_args)
|
|
mut cmd := c.pref.vcross_compiler_name() + ' ' + all_args.join(' ')
|
|
// 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 (mut b Builder) build_thirdparty_obj_files() {
|
|
b.log('build_thirdparty_obj_files: v.ast.cflags: $b.table.cflags')
|
|
for flag in b.get_os_cflags() {
|
|
if flag.value.ends_with('.o') {
|
|
rest_of_module_flags := b.get_rest_of_module_cflags(flag)
|
|
if b.pref.ccompiler == 'msvc' {
|
|
b.build_thirdparty_obj_file_with_msvc(flag.value, rest_of_module_flags)
|
|
} else {
|
|
b.build_thirdparty_obj_file(flag.value, rest_of_module_flags)
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
fn (mut v Builder) build_thirdparty_obj_file(path string, moduleflags []cflag.CFlag) {
|
|
obj_path := os.real_path(path)
|
|
cfile := '${obj_path[..obj_path.len - 2]}.c'
|
|
opath := v.pref.cache_manager.postfix_with_key2cpath('.o', obj_path)
|
|
mut rebuild_reason_message := '$obj_path not found, building it in $opath ...'
|
|
if os.exists(opath) {
|
|
if os.exists(cfile) && os.file_last_mod_unix(opath) < os.file_last_mod_unix(cfile) {
|
|
rebuild_reason_message = '$opath is older than $cfile, rebuilding ...'
|
|
} else {
|
|
return
|
|
}
|
|
}
|
|
if os.exists(obj_path) {
|
|
// Some .o files are distributed with no source
|
|
// for example thirdparty\tcc\lib\openlibm.o
|
|
// the best we can do for them is just copy them,
|
|
// and hope that they work with any compiler...
|
|
os.cp(obj_path, opath) or { panic(err) }
|
|
return
|
|
}
|
|
if v.pref.is_verbose {
|
|
println(rebuild_reason_message)
|
|
}
|
|
// prepare for tcc, it needs relative paths to thirdparty/tcc to work:
|
|
current_folder := os.getwd()
|
|
os.chdir(os.dir(pref.vexe_path())) or {}
|
|
//
|
|
mut all_options := []string{}
|
|
all_options << v.pref.third_party_option
|
|
all_options << moduleflags.c_options_before_target()
|
|
all_options << '-o ${os.quoted_path(opath)}'
|
|
all_options << '-c ${os.quoted_path(cfile)}'
|
|
cc_options := v.thirdparty_object_args(v.ccoptions, all_options).join(' ')
|
|
|
|
cmd := '${os.quoted_path(v.pref.ccompiler)} $cc_options'
|
|
$if trace_thirdparty_obj_files ? {
|
|
println('>>> build_thirdparty_obj_files cmd: $cmd')
|
|
}
|
|
res := os.execute(cmd)
|
|
os.chdir(current_folder) or {}
|
|
if res.exit_code != 0 {
|
|
eprintln('failed thirdparty object build cmd:\n$cmd')
|
|
verror(res.output)
|
|
return
|
|
}
|
|
v.pref.cache_manager.save('.description.txt', obj_path, '${obj_path:-30} @ $cmd\n') or {
|
|
panic(err)
|
|
}
|
|
if res.output != '' {
|
|
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 string, keyword string, before int, after int) []string {
|
|
khighlight := if term.can_show_color_on_stdout() { term.red(keyword) } else { keyword }
|
|
mut eline_idx := -1
|
|
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 == -1 {
|
|
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]
|
|
}
|