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builder, pref: use i686-w64-mingw32-gcc for cross compiling 32bit windows apps with v -m32 -os windows hw.v

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Delyan Angelov 2022-04-14 10:18:42 +03:00
parent 48c295150f
commit 5905590e78
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GPG Key ID: 66886C0F12D595ED
2 changed files with 24 additions and 23 deletions
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2
vlib/v/builder/cc.v
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@ -840,7 +840,7 @@ fn (mut c Builder) cc_windows_cross() {
all_args << args all_args << args
all_args << '-municode' all_args << '-municode'
c.dump_c_options(all_args) c.dump_c_options(all_args)
mut cmd := pref.vcross_compiler_name(pref.cc_to_windows) + ' ' + all_args.join(' ') 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' // 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 { if c.pref.is_verbose || c.pref.show_cc {
println(cmd) println(cmd)

41
vlib/v/pref/default.v
View File

@ -148,29 +148,18 @@ pub fn (mut p Preferences) fill_with_defaults() {
} }
} }
pub const cc_to_windows = 'x86_64-w64-mingw32-gcc'
pub const cc_to_linux = 'clang'
fn (mut p Preferences) find_cc_if_cross_compiling() { fn (mut p Preferences) find_cc_if_cross_compiling() {
if p.os == .windows { if p.os == get_host_os() {
$if !windows { return
}
if p.os == .windows && p.ccompiler == 'msvc' {
// Allow for explicit overrides like `v -showcc -cc msvc -os windows file.v`, // Allow for explicit overrides like `v -showcc -cc msvc -os windows file.v`,
// so that the flag passing can be debugged on other OSes too, not only // this makes flag passing more easily debuggable on other OSes too, not only
// on windows (building will stop later, when -showcc already could display all // on windows (building will stop later, when -showcc already could display all
// options). // options).
if p.ccompiler != 'msvc' { return
// Cross compiling to Windows
p.ccompiler = vcross_compiler_name(pref.cc_to_windows)
}
}
}
if p.os == .linux {
$if !linux {
// Cross compiling to Linux
p.ccompiler = vcross_compiler_name(pref.cc_to_linux)
}
} }
p.ccompiler = p.vcross_compiler_name()
} }
fn (mut p Preferences) try_to_use_tcc_by_default() { fn (mut p Preferences) try_to_use_tcc_by_default() {
@ -256,10 +245,22 @@ pub fn vexe_path() string {
return real_vexe_path return real_vexe_path
} }
pub fn vcross_compiler_name(vccname_default string) string { pub fn (p &Preferences) vcross_compiler_name() string {
vccname := os.getenv('VCROSS_COMPILER_NAME') vccname := os.getenv('VCROSS_COMPILER_NAME')
if vccname != '' { if vccname != '' {
return vccname return vccname
} }
return vccname_default if p.os == .windows {
if p.m64 {
return 'x86_64-w64-mingw32-gcc'
}
return 'i686-w64-mingw32-gcc'
}
if p.os == .linux {
return 'clang'
}
eprintln('Note: V can only cross compile to windows and linux for now by default.')
eprintln('It will use `cc` as a cross compiler for now, although that will probably fail.')
eprintln('Set `VCROSS_COMPILER_NAME` to the name of your cross compiler, for your target OS: $p.os .')
return 'cc'
} }