remove need for cargo-xbuild

.cargo/config.toml

@@ -0,0 +1,6 @@
+[unstable]
+build-std = ["core", "compiler_builtins", "alloc"]
+build-std-features = ["compiler-builtins-mem"]
+
+[build]
+target = "gba.json"

Dockerfile

@@ -1,4 +1,4 @@
-FROM devkitpro/devkitarm:20190212
+FROM docker.io/devkitpro/devkitarm:20190212
 
 RUN apt-get update && \
     apt-get install -y build-essential && \
@@ -6,7 +6,6 @@ RUN apt-get update && \
 
 RUN curl https://sh.rustup.rs -sSf | sh -s -- -y --default-toolchain nightly
 RUN . "$HOME/.cargo/env" && \
-    cargo install cargo-xbuild && \
     rustup component add rust-src
 
 RUN echo 'export PATH=$PATH:$DEVKITARM/bin' >> $HOME/.bashrc

Makefile

@@ -30,18 +30,18 @@ r-%: out/release/%.gba
 	
 cargo-release-%: $(RUSTFILES) out/crt0.o
 	@OUTNAME=$(patsubst cargo-release-%,%, $@)
-	@rustup run nightly cargo xbuild --release --target=gba.json --example=$${OUTNAME}
+	@rustup run nightly cargo build --release --target=gba.json --example=$${OUTNAME}
 
 cargo-debug-%: $(RUSTFILES) out/crt0.o
 	@OUTNAME=$(patsubst cargo-debug-%,%, $@)
-	@rustup run nightly cargo xbuild --target=gba.json --example=$${OUTNAME}
+	@rustup run nightly cargo build --target=gba.json --example=$${OUTNAME}
 
 out/crt0.o: crt0.s interrupt_simple.s
 	@mkdir -p $(dir $@)
 	@$(CC) $(ARCH) -o out/crt0.o crt0.s
 
 clippy:
-	rustup run nightly cargo xclippy --target=gba.json
+	rustup run nightly cargo clippy --target=gba.json
 
 doc:
-	rustup run nightly cargo xdoc --target=gba.json
+	rustup run nightly cargo doc --target=gba.json

README.md

@@ -12,7 +12,6 @@ examples as documentation.
 
 * Nightly rust, probably quite a recent version.
 * Devkitarm.
-* Cargo-xbuild is used too.
 
 This is probably easiest to do in a container, the `start-dev.sh` script creates
 and runs a development environment in a docker container.