@ -1,5 +1,6 @@
@@ -1,5 +1,6 @@
use bindgen ::callbacks ::ParseCallbacks ;
use bindgen ::{ Builder , RustTarget } ;
use itertools ::Itertools ;
use std ::env ;
use std ::error ::Error ;
@ -18,33 +19,39 @@ impl ParseCallbacks for CustomCallbacks {
@@ -18,33 +19,39 @@ impl ParseCallbacks for CustomCallbacks {
fn main ( ) {
let devkitpro = env ::var ( "DEVKITPRO" ) . unwrap ( ) ;
let devkitarm = env ::var ( "DEVKITARM" ) . unwrap ( ) ;
let profile = env ::var ( "PROFILE" ) . unwrap ( ) ;
let out_dir = PathBuf ::from ( env ::var ( "OUT_DIR" ) . unwrap ( ) ) ;
println! ( "cargo:rerun-if-changed=build.rs" ) ;
println! ( "cargo:rerun-if-env-changed=DEVKITPRO" ) ;
println! ( "cargo:rustc-link-search=native={devkitpro}/libctru/lib" ) ;
println! (
"cargo:rustc-link-lib=static={}" ,
match profile . as_str ( ) {
"debug" = > "ctrud" ,
_ = > "ctru" ,
}
) ;
match check_libctru_version ( ) {
Ok ( ( maj , min , patch ) ) = > {
eprintln! ( "using libctru version {maj}.{min}.{patch}" ) ;
// These are accessible by the crate during build with `env!()`.
// We might consider exporting some public constants or something.
println! ( "cargo:rustc-env=LIBCTRU_VERSION={maj}.{min}.{patch}" ) ;
println! ( "cargo:rustc-env=LIBCTRU_MAJOR={maj}" ) ;
println! ( "cargo:rustc-env=LIBCTRU_MINOR={min}" ) ;
println! ( "cargo:rustc-env=LIBCTRU_PATCH={patch}" ) ;
// https://github.com/rust3ds/cargo-3ds/issues/14#issuecomment-1783991872
// To link properly, this must be the same as the library linked by cargo-3ds when building
// the standard library, so if `-lctru[d]` is found in RUSTFLAGS we always defer to that
// https://doc.rust-lang.org/cargo/reference/environment-variables.html#environment-variables-cargo-sets-for-build-scripts
let cargo_rustflags = env ::var ( "CARGO_ENCODED_RUSTFLAGS" ) . unwrap ( ) ;
let rustflags_libctru = cargo_rustflags
. split ( '\x1F' )
// Technically this could also be `-l ctru`, or `-lstatic=ctru` etc.
// but for now we'll just rely on cargo-3ds implementation to pass it like this
. find ( | flag | flag . starts_with ( "-lctru" ) )
. and_then ( | flag | flag . strip_prefix ( "-l" ) ) ;
let linked_libctru = rustflags_libctru . unwrap_or_else ( | | {
let debuginfo = env ::var ( "DEBUG" ) . unwrap ( ) ;
match debuginfo . as_str ( ) {
// Normally this should just be "true" or "false", but just in case,
// we don't support all the different options documented in
// https://doc.rust-lang.org/cargo/reference/profiles.html#debug
// so just default to linking with debuginfo if it wasn't disabled
"0" | "false" | "none" = > "ctru" ,
_ = > "ctrud" ,
}
Err ( err ) = > println! ( "cargo:warning=failed to check libctru version: {err}" ) ,
}
} ) ;
println! ( "cargo:rustc-link-lib=static={linked_libctru}" ) ;
detect_and_track_libctru ( ) ;
let gcc_version = get_gcc_version ( PathBuf ::from ( & devkitarm ) . join ( "bin/arm-none-eabi-gcc" ) ) ;
@ -135,22 +142,40 @@ fn get_gcc_version(path_to_gcc: PathBuf) -> String {
@@ -135,22 +142,40 @@ fn get_gcc_version(path_to_gcc: PathBuf) -> String {
. to_string ( )
}
fn parse_libctru_version ( version : & str ) -> Result < ( String , String , String ) , & str > {
let versions : Vec < _ > = version
. split ( | c | c = = '.' | | c = = '-' )
. map ( String ::from )
. collect ( ) ;
fn detect_and_track_libctru ( ) {
let pacman = match which ::which ( "dkp-pacman" )
. or_else ( | err1 | which ::which ( "pacman" ) . map_err ( | err2 | format! ( "{err1}; {err2}" ) ) )
{
Ok ( pacman ) = > pacman ,
Err ( err ) = > {
println! ( "cargo:warning=unable to find `pacman` or `dkp-pacman`: {err}" ) ;
return ;
}
} ;
match get_libctru_version ( & pacman ) {
Ok ( ( maj , min , patch , rel ) ) = > {
let version = format! ( "{maj}.{min}.{patch}-{rel}" ) ;
eprintln! ( "using libctru version {version}" ) ;
// These are exported as build script output variables, accessible
// via `env::var("DEP_CTRU_<key>")` in other crates' build scripts.
// https://doc.rust-lang.org/cargo/reference/build-scripts.html#the-links-manifest-key
println! ( "cargo:VERSION={version}" ) ;
println! ( "cargo:MAJOR_VERSION={maj}" ) ;
println! ( "cargo:MINOR_VERSION={min}" ) ;
println! ( "cargo:PATCH_VERSION={patch}" ) ;
println! ( "cargo:RELEASE={rel}" ) ;
}
Err ( err ) = > println! ( "cargo:warning=unknown libctru version: {err}" ) ,
}
match & versions [ .. ] {
[ major , minor , patch , _build ] = > Ok ( ( major . clone ( ) , minor . clone ( ) , patch . clone ( ) ) ) ,
_ = > Err ( "unexpected number of version segments" ) ,
if let Err ( err ) = track_libctru_files ( & pacman ) {
println! ( "cargo:warning=unable to track `libctru` files for changes: {err}" ) ;
}
}
fn check_libctru_version ( ) -> Result < ( String , String , String ) , Box < dyn Error > > {
let pacman = which ::which ( "dkp-pacman" ) . or_else ( | _ | which ::which ( "pacman" ) ) ? ;
let Output { stdout , .. } = Command ::new ( & pacman )
fn get_libctru_version ( pacman : & Path ) -> Result < ( String , String , String , String ) , Box < dyn Error > > {
let Output { stdout , .. } = Command ::new ( pacman )
. args ( [ "--query" , "libctru" ] )
. stderr ( Stdio ::inherit ( ) )
. output ( ) ? ;
@ -159,35 +184,44 @@ fn check_libctru_version() -> Result<(String, String, String), Box<dyn Error>> {
@@ -159,35 +184,44 @@ fn check_libctru_version() -> Result<(String, String, String), Box<dyn Error>> {
let ( _pkg , lib_version ) = output_str
. split_once ( char ::is_whitespace )
. ok_or ( "unexpected pacman output format" ) ? ;
. ok_or_else ( | | format! ( "unexpected pacman output format: {output_str:?} " ) ) ? ;
let lib_version = lib_version . trim ( ) ;
let cargo_pkg_version = env ::var ( "CARGO_PKG_VERSION" ) . unwrap ( ) ;
let ( _ , crate_built_version ) = cargo_pkg_version
. split_once ( '+' )
. expect ( "crate version should have '+' delimeter" ) ;
parse_libctru_version ( lib_version ) . map_err ( Into ::into )
}
if lib_version ! = crate_built_version {
return Err ( format! (
"libctru version is {lib_version} but this crate was built for {crate_built_version}"
)
. into ( ) ) ;
}
fn parse_libctru_version ( version : & str ) -> Result < ( String , String , String , String ) , String > {
version
. split ( | c | c = = '.' | | c = = '-' )
. map ( String ::from )
. collect_tuple ( )
. ok_or_else ( | | format! ( "unexpected number of version segments: {version:?}" ) )
}
let Output { stdout , .. } = Command ::new ( pacman )
fn track_libctru_files ( pacman : & Path ) -> Result < ( ) , String > {
let stdout = match Command ::new ( pacman )
. args ( [ "--query" , "--list" , "libctru" ] )
. stderr ( Stdio ::inherit ( ) )
. output ( ) ? ;
. output ( )
{
Ok ( Output { stdout , status , .. } ) if status . success ( ) = > stdout ,
Ok ( Output { status , .. } ) = > {
return Err ( format! ( "pacman query failed with status {status}" ) ) ;
}
Err ( err ) = > {
return Err ( format! ( "pacman query failed: {err}" ) ) ;
}
} ;
for line in String ::from_utf8_lossy ( & stdout ) . split ( '\n' ) {
for line in String ::from_utf8_lossy ( & stdout ) . trim ( ) . split ( '\n' ) {
let Some ( ( _pkg , file ) ) = line . split_once ( char ::is_whitespace ) else {
println! ( "cargo:warning=unexpected line from pacman query: {line:?}" ) ;
continue ;
} ;
println! ( "cargo:rerun-if-changed={file}" ) ;
}
let ( lib_major , lib_minor , lib_patch ) = parse_libctru_version ( lib_version ) ? ;
Ok ( ( lib_major , lib_minor , lib_patch ) )
Ok ( ( ) )
}
AzureMarker
1 year ago