Hack broken rust target selection so it produces the right target on raspbian.

Gbp-Pq: Name raspbian-rust-triplet-hack.patch

diff --git a/build/moz.configure/rust.configure b/build/moz.configure/rust.configure
index 9647cbc40e1f74b57835644e55b0b381d85c98ad..0645c1e53a1a17f6470b18504796e1ae370b9767 100644 (file)
--- a/build/moz.configure/rust.configure
+++ b/build/moz.configure/rust.configure
@@ -185,6 +185,8 @@ def rust_compiler(rustc_info, cargo_info, build_project):
 
 
 @depends(rustc, when=rust_compiler)
+@imports('sys')
+@imports(_from='__builtin__', _import='repr')
 def rust_supported_targets(rustc):
     out = check_cmd_output(rustc, '--print', 'target-list').splitlines()
     # The os in the triplets used by rust may match the same OSes, in which
@@ -192,7 +194,11 @@ def rust_supported_targets(rustc):
     per_os = {}
     ambiguous = set()
     per_raw_os = {}
+    #HACK: if there are multiple matches the algorithm uses the last one
+    #put arm-unknown-linux-gnuebihf on the end of the list so it gets preffered
+    out.append('arm-unknown-linux-gnueabihf')
     for t in out:
+        traw = t
         t = split_triplet(t, allow_unknown=True)
         endianness = t.endianness
         if t.cpu.startswith('thumb') and endianness not in ('big', 'little'):
@@ -232,11 +238,13 @@ def rust_triple_alias(host_or_target):
              arm_target, when=rust_compiler)
     @checking('for rust %s triplet' % host_or_target_str)
     @imports('os')
+    @imports('sys')
     @imports('subprocess')
     @imports(_from='mozbuild.configure.util', _import='LineIO')
     @imports(_from='mozbuild.shellutil', _import='quote')
     @imports(_from='tempfile', _import='mkstemp')
     @imports(_from='textwrap', _import='dedent')
+    @imports(_from='__builtin__', _import='repr')
     def rust_target(rustc, host_or_target, compiler_info,
                     rust_supported_targets, arm_target):
         # Rust's --target options are similar to, but not exactly the same