@@ -1152,6 +1152,44 @@ impl<'a> Builder<'a> {
1152
1152
self . ensure ( tool:: Rustdoc { compiler } )
1153
1153
}
1154
1154
1155
+ pub fn cargo_clippy_cmd ( & self , run_compiler : Compiler ) -> Command {
1156
+ let initial_sysroot_bin = self . initial_rustc . parent ( ) . unwrap ( ) ;
1157
+ // Set PATH to include the sysroot bin dir so clippy can find cargo.
1158
+ // FIXME: once rust-clippy#11944 lands on beta, set `CARGO` directly instead.
1159
+ let path = t ! ( env:: join_paths(
1160
+ // The sysroot comes first in PATH to avoid using rustup's cargo.
1161
+ std:: iter:: once( PathBuf :: from( initial_sysroot_bin) )
1162
+ . chain( env:: split_paths( & t!( env:: var( "PATH" ) ) ) )
1163
+ ) ) ;
1164
+
1165
+ if run_compiler. stage == 0 {
1166
+ // `ensure(Clippy { stage: 0 })` *builds* clippy with stage0, it doesn't use the beta clippy.
1167
+ let cargo_clippy = self . build . config . download_clippy ( ) ;
1168
+ let mut cmd = Command :: new ( cargo_clippy) ;
1169
+ cmd. env ( "PATH" , & path) ;
1170
+ return cmd;
1171
+ }
1172
+
1173
+ let build_compiler = self . compiler ( run_compiler. stage - 1 , self . build . build ) ;
1174
+ self . ensure ( tool:: Clippy {
1175
+ compiler : build_compiler,
1176
+ target : self . build . build ,
1177
+ extra_features : vec ! [ ] ,
1178
+ } ) ;
1179
+ let cargo_clippy = self . ensure ( tool:: CargoClippy {
1180
+ compiler : build_compiler,
1181
+ target : self . build . build ,
1182
+ extra_features : vec ! [ ] ,
1183
+ } ) ;
1184
+ let mut dylib_path = helpers:: dylib_path ( ) ;
1185
+ dylib_path. insert ( 0 , self . sysroot ( run_compiler) . join ( "lib" ) ) ;
1186
+
1187
+ let mut cmd = Command :: new ( cargo_clippy. unwrap ( ) ) ;
1188
+ cmd. env ( helpers:: dylib_path_var ( ) , env:: join_paths ( & dylib_path) . unwrap ( ) ) ;
1189
+ cmd. env ( "PATH" , path) ;
1190
+ cmd
1191
+ }
1192
+
1155
1193
pub fn rustdoc_cmd ( & self , compiler : Compiler ) -> Command {
1156
1194
let mut cmd = Command :: new ( & self . bootstrap_out . join ( "rustdoc" ) ) ;
1157
1195
cmd. env ( "RUSTC_STAGE" , compiler. stage . to_string ( ) )
@@ -1200,7 +1238,12 @@ impl<'a> Builder<'a> {
1200
1238
target : TargetSelection ,
1201
1239
cmd : & str ,
1202
1240
) -> Command {
1203
- let mut cargo = Command :: new ( & self . initial_cargo ) ;
1241
+ let mut cargo = if cmd == "clippy" {
1242
+ self . cargo_clippy_cmd ( compiler)
1243
+ } else {
1244
+ Command :: new ( & self . initial_cargo )
1245
+ } ;
1246
+
1204
1247
// Run cargo from the source root so it can find .cargo/config.
1205
1248
// This matters when using vendoring and the working directory is outside the repository.
1206
1249
cargo. current_dir ( & self . src ) ;
@@ -1324,6 +1367,23 @@ impl<'a> Builder<'a> {
1324
1367
compiler. stage
1325
1368
} ;
1326
1369
1370
+ // We synthetically interpret a stage0 compiler used to build tools as a
1371
+ // "raw" compiler in that it's the exact snapshot we download. Normally
1372
+ // the stage0 build means it uses libraries build by the stage0
1373
+ // compiler, but for tools we just use the precompiled libraries that
1374
+ // we've downloaded
1375
+ let use_snapshot = mode == Mode :: ToolBootstrap ;
1376
+ assert ! ( !use_snapshot || stage == 0 || self . local_rebuild) ;
1377
+
1378
+ let maybe_sysroot = self . sysroot ( compiler) ;
1379
+ let sysroot = if use_snapshot { self . rustc_snapshot_sysroot ( ) } else { & maybe_sysroot } ;
1380
+ let libdir = self . rustc_libdir ( compiler) ;
1381
+
1382
+ let sysroot_str = sysroot. as_os_str ( ) . to_str ( ) . expect ( "sysroot should be UTF-8" ) ;
1383
+ if !matches ! ( self . config. dry_run, DryRun :: SelfCheck ) {
1384
+ self . verbose_than ( 0 , & format ! ( "using sysroot {sysroot_str}" ) ) ;
1385
+ }
1386
+
1327
1387
let mut rustflags = Rustflags :: new ( target) ;
1328
1388
if stage != 0 {
1329
1389
if let Ok ( s) = env:: var ( "CARGOFLAGS_NOT_BOOTSTRAP" ) {
@@ -1335,41 +1395,16 @@ impl<'a> Builder<'a> {
1335
1395
cargo. args ( s. split_whitespace ( ) ) ;
1336
1396
}
1337
1397
rustflags. env ( "RUSTFLAGS_BOOTSTRAP" ) ;
1338
- if cmd == "clippy" {
1339
- // clippy overwrites sysroot if we pass it to cargo.
1340
- // Pass it directly to clippy instead.
1341
- // NOTE: this can't be fixed in clippy because we explicitly don't set `RUSTC`,
1342
- // so it has no way of knowing the sysroot.
1343
- rustflags. arg ( "--sysroot" ) ;
1344
- rustflags. arg (
1345
- self . sysroot ( compiler)
1346
- . as_os_str ( )
1347
- . to_str ( )
1348
- . expect ( "sysroot must be valid UTF-8" ) ,
1349
- ) ;
1350
- // Only run clippy on a very limited subset of crates (in particular, not build scripts).
1351
- cargo. arg ( "-Zunstable-options" ) ;
1352
- // Explicitly does *not* set `--cfg=bootstrap`, since we're using a nightly clippy.
1353
- let host_version = Command :: new ( "rustc" ) . arg ( "--version" ) . output ( ) . map_err ( |_| ( ) ) ;
1354
- let output = host_version. and_then ( |output| {
1355
- if output. status . success ( ) {
1356
- Ok ( output)
1357
- } else {
1358
- Err ( ( ) )
1359
- }
1360
- } ) . unwrap_or_else ( |_| {
1361
- eprintln ! (
1362
- "ERROR: `x.py clippy` requires a host `rustc` toolchain with the `clippy` component"
1363
- ) ;
1364
- eprintln ! ( "HELP: try `rustup component add clippy`" ) ;
1365
- crate :: exit!( 1 ) ;
1366
- } ) ;
1367
- if !t ! ( std:: str :: from_utf8( & output. stdout) ) . contains ( "nightly" ) {
1368
- rustflags. arg ( "--cfg=bootstrap" ) ;
1369
- }
1370
- } else {
1371
- rustflags. arg ( "--cfg=bootstrap" ) ;
1372
- }
1398
+ rustflags. arg ( "--cfg=bootstrap" ) ;
1399
+ }
1400
+
1401
+ if cmd == "clippy" {
1402
+ // clippy overwrites sysroot if we pass it to cargo.
1403
+ // Pass it directly to clippy instead.
1404
+ // NOTE: this can't be fixed in clippy because we explicitly don't set `RUSTC`,
1405
+ // so it has no way of knowing the sysroot.
1406
+ rustflags. arg ( "--sysroot" ) ;
1407
+ rustflags. arg ( sysroot_str) ;
1373
1408
}
1374
1409
1375
1410
let use_new_symbol_mangling = match self . config . rust_new_symbol_mangling {
@@ -1564,18 +1599,6 @@ impl<'a> Builder<'a> {
1564
1599
1565
1600
let want_rustdoc = self . doc_tests != DocTests :: No ;
1566
1601
1567
- // We synthetically interpret a stage0 compiler used to build tools as a
1568
- // "raw" compiler in that it's the exact snapshot we download. Normally
1569
- // the stage0 build means it uses libraries build by the stage0
1570
- // compiler, but for tools we just use the precompiled libraries that
1571
- // we've downloaded
1572
- let use_snapshot = mode == Mode :: ToolBootstrap ;
1573
- assert ! ( !use_snapshot || stage == 0 || self . local_rebuild) ;
1574
-
1575
- let maybe_sysroot = self . sysroot ( compiler) ;
1576
- let sysroot = if use_snapshot { self . rustc_snapshot_sysroot ( ) } else { & maybe_sysroot } ;
1577
- let libdir = self . rustc_libdir ( compiler) ;
1578
-
1579
1602
// Clear the output directory if the real rustc we're using has changed;
1580
1603
// Cargo cannot detect this as it thinks rustc is bootstrap/debug/rustc.
1581
1604
//
@@ -1611,10 +1634,19 @@ impl<'a> Builder<'a> {
1611
1634
)
1612
1635
. env ( "RUSTC_ERROR_METADATA_DST" , self . extended_error_dir ( ) )
1613
1636
. env ( "RUSTC_BREAK_ON_ICE" , "1" ) ;
1614
- // Clippy support is a hack and uses the default `cargo-clippy` in path.
1615
- // Don't override RUSTC so that the `cargo-clippy` in path will be run.
1616
- if cmd != "clippy" {
1617
- cargo. env ( "RUSTC" , self . bootstrap_out . join ( "rustc" ) ) ;
1637
+
1638
+ // Set RUSTC_WRAPPER to the bootstrap shim, which switches between beta and in-tree
1639
+ // sysroot depending on whether we're building build scripts.
1640
+ // NOTE: we intentionally use RUSTC_WRAPPER so that we can support clippy - RUSTC is not
1641
+ // respected by clippy-driver; RUSTC_WRAPPER happens earlier, before clippy runs.
1642
+ cargo. env ( "RUSTC_WRAPPER" , self . bootstrap_out . join ( "rustc" ) ) ;
1643
+ // NOTE: we also need to set RUSTC so cargo can run `rustc -vV`; apparently that ignores RUSTC_WRAPPER >:(
1644
+ cargo. env ( "RUSTC" , self . bootstrap_out . join ( "rustc" ) ) ;
1645
+
1646
+ // Someone might have set some previous rustc wrapper (e.g.
1647
+ // sccache) before bootstrap overrode it. Respect that variable.
1648
+ if let Some ( existing_wrapper) = env:: var_os ( "RUSTC_WRAPPER" ) {
1649
+ cargo. env ( "RUSTC_WRAPPER_REAL" , existing_wrapper) ;
1618
1650
}
1619
1651
1620
1652
// Dealing with rpath here is a little special, so let's go into some
@@ -1991,7 +2023,11 @@ impl<'a> Builder<'a> {
1991
2023
// Environment variables *required* throughout the build
1992
2024
//
1993
2025
// FIXME: should update code to not require this env var
2026
+
2027
+ // The host this new compiler will *run* on.
1994
2028
cargo. env ( "CFG_COMPILER_HOST_TRIPLE" , target. triple ) ;
2029
+ // The host this new compiler is being *built* on.
2030
+ cargo. env ( "CFG_COMPILER_BUILD_TRIPLE" , compiler. host . triple ) ;
1995
2031
1996
2032
// Set this for all builds to make sure doc builds also get it.
1997
2033
cargo. env ( "CFG_RELEASE_CHANNEL" , & self . config . channel ) ;
0 commit comments