Merge pull request #29 from japaric/weak-memcpy

add weak `memcpy` et al symbols
This commit is contained in:
Jorge Aparicio 2016-08-15 21:29:11 -05:00 committed by GitHub
commit 89594e16ae
3 changed files with 22 additions and 1 deletions

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@ -3,5 +3,11 @@ authors = ["Jorge Aparicio <japaricious@gmail.com>"]
name = "rustc_builtins"
version = "0.1.0"
[dependencies]
rlibc = { git = "https://github.com/alexcrichton/rlibc", optional = true }
[dev-dependencies]
quickcheck = "0.3.1"
[features]
default = ["rlibc/weak"]

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@ -9,10 +9,21 @@ build() {
inspect() {
$PREFIX$NM -g --defined-only target/**/debug/*.rlib
set +e
$PREFIX$OBJDUMP -Cd target/**/debug/*.rlib
$PREFIX$OBJDUMP -Cd target/**/release/*.rlib
set -e
# Check presence of weak symbols
case $TRAVIS_OS_NAME in
linux)
local symbols=( memcmp memcpy memmove memset )
for symbol in "${symbols[@]}"; do
$PREFIX$NM target/**/debug/deps/librlibc*.rlib | grep -q "W $symbol"
done
;;
esac
}
run_tests() {

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@ -1,8 +1,9 @@
#![allow(unused_features)]
#![feature(asm)]
#![feature(core_intrinsics)]
#![feature(linkage)]
#![feature(naked_functions)]
#![cfg_attr(not(test), no_std)]
#![no_builtins]
// TODO(rust-lang/rust#35021) uncomment when that PR lands
// #![feature(rustc_builtins)]
@ -16,6 +17,9 @@ extern crate quickcheck;
#[cfg(test)]
extern crate core;
#[cfg(all(not(windows), not(target_os = "macos")))]
extern crate rlibc;
#[cfg(target_arch = "arm")]
pub mod arm;