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Add target_endian crate cfg. Closes #4367

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This commit is contained in:
Zack Corr 2013-02-16 21:58:21 +10:00
parent 9ad8a1f465
commit 0e83102219
1 changed files with 7 additions and 4 deletions
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11
src/librustc/driver/driver.rs
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@ -88,10 +88,12 @@ pub fn default_configuration(sess: Session, +argv0: ~str, input: input) ->
let mk = attr::mk_name_value_item_str;
let (arch,wordsz) = match sess.targ_cfg.arch {
session::arch_x86 => (~"x86",~"32"),
session::arch_x86_64 => (~"x86_64",~"64"),
session::arch_arm => (~"arm",~"32")
// ARM is bi-endian, however using NDK seems to default
// to little-endian unless a flag is provided.
let (end,arch,wordsz) = match sess.targ_cfg.arch {
session::arch_x86 => (~"little",~"x86",~"32"),
session::arch_x86_64 => (~"little",~"x86_64",~"64"),
session::arch_arm => (~"little",~"arm",~"32")
};
return ~[ // Target bindings.
@ -99,6 +101,7 @@ pub fn default_configuration(sess: Session, +argv0: ~str, input: input) ->
mk(~"target_os", tos),
mk(~"target_family", str::from_slice(os::FAMILY)),
mk(~"target_arch", arch),
mk(~"target_endian", end),
mk(~"target_word_size", wordsz),
mk(~"target_libc", libc),
// Build bindings.