Delete sysroot-deps constraint

Author: dtolnay

allocator/BUCK

@@ -17,7 +17,7 @@ rust_library(
     ],
     target_compatible_with = [
         "//constraints:library",
-        "//constraints:sysroot-deps=explicit",
+        "//constraints:build-script=false",
     ],
     visibility = ["PUBLIC"],
     deps = [

constraints/BUCK

@@ -1,17 +1,5 @@
 load(":defs.bzl", "constraint")
 
-constraint(
-    setting = "sysroot-deps",
-    values = [
-        # Crate must declare explicit dependencies on standard library. This is
-        # enabled within standard library code.
-        "sysroot-deps=explicit",
-        # Crate implicitly receives access to standard library crates, such as
-        # within compiler code and standard library build scripts.
-        "sysroot-deps=implicit",
-    ],
-)
-
 constraint(
     setting = "workspace",
     values = [

defs.bzl

@@ -153,12 +153,11 @@ def _target_constraints(crate_root):
     if crate_root and crate_root.startswith("rust/library/"):
         target_compatible_with = [
             "//constraints:library",
-            "//constraints:sysroot-deps=explicit",
+            "//constraints:build-script=false",
         ]
     elif crate_root and (crate_root.startswith("rust/compiler/") or crate_root.startswith("rust/src/")):
         target_compatible_with = [
             "//constraints:compiler",
-            "//constraints:sysroot-deps=implicit",
         ]
     else:
         target_compatible_with = select({

platforms/defs.bzl

@@ -68,7 +68,6 @@ platform = rule(
             "//constraints:bootstrap-stage",
             "//constraints:build-script",
             "//constraints:opt-level",
-            "//constraints:sysroot-deps",
             "//constraints:workspace",
         ]),
     },

platforms/stage1/BUCK

@@ -8,7 +8,6 @@ platform(
         "//constraints:library",
         "//constraints:opt-level=3",
         "//constraints:stage1",
-        "//constraints:sysroot-deps=explicit",
     ],
     visibility = ["PUBLIC"],
 )
@@ -19,7 +18,6 @@ platform(
     constraint_values = [
         "//constraints:build-script=true",
         "//constraints:opt-level=0",
-        "//constraints:sysroot-deps=implicit",
     ],
     visibility = ["PUBLIC"],
 )
@@ -32,7 +30,6 @@ platform(
         "//constraints:compiler",
         "//constraints:opt-level=3",
         "//constraints:stage1",
-        "//constraints:sysroot-deps=implicit",
     ],
     visibility = ["PUBLIC"],
 )

platforms/stage2/BUCK

@@ -8,7 +8,6 @@ platform(
         "//constraints:library",
         "//constraints:opt-level=3",
         "//constraints:stage2",
-        "//constraints:sysroot-deps=explicit",
     ],
     visibility = ["PUBLIC"],
 )
@@ -19,7 +18,6 @@ platform(
     constraint_values = [
         "//constraints:build-script=true",
         "//constraints:opt-level=0",
-        "//constraints:sysroot-deps=implicit",
     ],
     visibility = ["PUBLIC"],
 )
@@ -32,7 +30,6 @@ platform(
         "//constraints:compiler",
         "//constraints:opt-level=3",
         "//constraints:stage2",
-        "//constraints:sysroot-deps=implicit",
     ],
     visibility = ["PUBLIC"],
 )

toolchains/BUCK

@@ -45,7 +45,7 @@ rust_toolchain(
     }),
     exec_compatible_with = [
         "rust//constraints:opt-level=0",
-        "rust//constraints:sysroot-deps=implicit",
+        "rust//constraints:build-script=true",
     ] + select({
         "rust//constraints:compiler": ["rust//constraints:compiler"],
         "rust//constraints:library": ["rust//constraints:library"],

toolchains/cxx/BUCK

@@ -6,7 +6,6 @@ configuration_transition(
     discard_settings = [
         "rust//constraints:bootstrap-stage",
         "rust//constraints:build-script",
-        "rust//constraints:sysroot-deps",
         "rust//constraints:workspace",
     ],
     label = "cxx",