Rustpkg doesn't expand macros in pkg.rs

[dcolish]

With a custom pkg.rs that includes macros, the compiler will fail to expand macros correctly,

WARNING: The Rust package manager is experimental and may be unstable
rust: task failed at 'attempted to analyze unexpanded stmt', /home/dcolish/workspace/rust/src/libsyntax/ast_util.rs:46
/home/dcolish/local/rust/trunk/bin/../lib/librustrt.so(_ZN9rust_task13begin_failureEPKcS1_m+0x4b)[0x7f6a19c7405b]
/home/dcolish/local/rust/trunk/bin/../lib/librustrt.so(+0x2d469)[0x7f6a19c85469]
/home/dcolish/local/rust/trunk/bin/../lib/librustrt.so(upcall_fail+0x1a0)[0x7f6a19c760f0]
/home/dcolish/local/rust/trunk/bin/../lib/libstd-6c65cf4b443341b1-0.7-pre.so(_ZN3sys13begin_unwind_16_89e154cd09156716_07preE+0x2e4)[0x7f6a1d3f9554]
/home/dcolish/local/rust/trunk/bin/../lib/libstd-6c65cf4b443341b1-0.7-pre.so(+0x1166b2)[0x7f6a1d3f96b2]
/home/dcolish/local/rust/trunk/bin/../lib/libstd-6c65cf4b443341b1-0.7-pre.so(+0x116191)[0x7f6a1d3f9191]
/home/dcolish/local/rust/trunk/bin/../lib/libstd-6c65cf4b443341b1-0.7-pre.so(+0x11666c)[0x7f6a1d3f966c]
/home/dcolish/local/rust/trunk/bin/../lib/libstd-6c65cf4b443341b1-0.7-pre.so(+0x116191)[0x7f6a1d3f9191]
/home/dcolish/local/rust/trunk/bin/../lib/libstd-6c65cf4b443341b1-0.7-pre.so(+0x7d5e4)[0x7f6a1d3605e4]
/home/dcolish/local/rust/trunk/bin/../lib/libsyntax-9c7e57a146ef6bf1-0.7-pre.so(_ZN7ast_map8map_stmt16_ca2ca8876527a9a6_07preE+0xe0)[0x7f6a1c8ccb10]
/home/dcolish/local/rust/trunk/bin/../lib/libsyntax-9c7e57a146ef6bf1-0.7-pre.so(+0xe5d45)[0x7f6a1c8d3d45]
/home/dcolish/local/rust/trunk/bin/../lib/libsyntax-9c7e57a146ef6bf1-0.7-pre.so(_ZN7ast_map9map_block17_8469195a50a296636_07preE+0x25e)[0x7f6a1c8cd50e]
/home/dcolish/local/rust/trunk/bin/../lib/libsyntax-9c7e57a146ef6bf1-0.7-pre.so(+0xe9640)[0x7f6a1c8d7640]
/home/dcolish/local/rust/trunk/bin/../lib/libsyntax-9c7e57a146ef6bf1-0.7-pre.so(_ZN7ast_map6map_fn17_67fd9b1b17822b2e6_07preE+0x233)[0x7f6a1c8cd093]
/home/dcolish/local/rust/trunk/bin/../lib/libsyntax-9c7e57a146ef6bf1-0.7-pre.so(+0xe4727)[0x7f6a1c8d2727]
/home/dcolish/local/rust/trunk/bin/../lib/libsyntax-9c7e57a146ef6bf1-0.7-pre.so(_ZN7ast_map8map_item17_dbfe9115952df58e6_07preE+0x11de)[0x7f6a1c8cbbce]
/home/dcolish/local/rust/trunk/bin/../lib/libsyntax-9c7e57a146ef6bf1-0.7-pre.so(+0xe3ae2)[0x7f6a1c8d1ae2]
/home/dcolish/local/rust/trunk/bin/../lib/libsyntax-9c7e57a146ef6bf1-0.7-pre.so(+0xeac9a)[0x7f6a1c8d8c9a]
/home/dcolish/local/rust/trunk/bin/../lib/libsyntax-9c7e57a146ef6bf1-0.7-pre.so(_ZN7ast_map9map_crate17_9012abf71977f3fe6_07preE+0x1a5)[0x7f6a1c8d8545]
/home/dcolish/local/rust/trunk/bin/../lib/librustc-ec14752a4b1d63-0.7-pre.so(+0x8059a0)[0x7f6a1c3019a0]
/home/dcolish/local/rust/trunk/bin/../lib/librustc-ec14752a4b1d63-0.7-pre.so(+0x805383)[0x7f6a1c301383]
/home/dcolish/local/rust/trunk/bin/../lib/librustc-ec14752a4b1d63-0.7-pre.so(_ZN6driver6driver12compile_rest15_9174bc134951036_07preE+0xa08)[0x7f6a1c2fea18]
/home/dcolish/local/rust/trunk/bin/../lib/librustpkg-a039f7e3caed55f-0.7-pre.so(+0x81fc2)[0x7f6a1b8bcfc2]
/home/dcolish/local/rust/trunk/bin/../lib/librustpkg-a039f7e3caed55f-0.7-pre.so(_ZN14__extensions__10meth_2106010run_custom17_a227f8cd2af32e166_07preE+0xee9)[0x7f6a1b8c7939]
/home/dcolish/local/rust/trunk/bin/../lib/librustpkg-a039f7e3caed55f-0.7-pre.so(_ZN14__extensions__10meth_211435build17_a05a867e4ad98b906_07preE+0x733)[0x7f6a1b8cb0a3]
/home/dcolish/local/rust/trunk/bin/../lib/librustpkg-a039f7e3caed55f-0.7-pre.so(+0x8f965)[0x7f6a1b8ca965]
/home/dcolish/local/rust/trunk/bin/../lib/librustpkg-a039f7e3caed55f-0.7-pre.so(+0x88e1c)[0x7f6a1b8c3e1c]
/home/dcolish/local/rust/trunk/bin/../lib/librustpkg-a039f7e3caed55f-0.7-pre.so(_ZN14__extensions__10meth_211383run17_2e1266d531cfa8b96_07preE+0x429)[0x7f6a1b8c97f9]
/home/dcolish/local/rust/trunk/bin/../lib/librustpkg-a039f7e3caed55f-0.7-pre.so(+0x97668)[0x7f6a1b8d2668]
/home/dcolish/local/rust/trunk/bin/../lib/librustpkg-a039f7e3caed55f-0.7-pre.so(_ZN4main17_952a9ee1229fd18b6_07preE+0x1a53)[0x7f6a1b8d0783]
/home/dcolish/local/rust/trunk/bin/../lib/librustpkg-a039f7e3caed55f-0.7-pre.so(+0x97668)[0x7f6a1b8d2668]
rustpkg(_rust_main+0x2e)[0x400d3e]
/home/dcolish/local/rust/trunk/bin/../lib/librustrt.so(_Z18task_start_wrapperP10spawn_args+0x22)[0x7f6a19c74a32]

This can be reproduced with a pkg.rs as simple as this

fn main() {
    let s = "Hello";
    debug!("This will break %s", s);
}

[catamorphism]

I'll take a look.

[catamorphism]

#7403 should fix this.

[catamorphism]

Testing this as well.

[catamorphism]

#8570 will close this.