add pkg-config and some configuration to Dockerfile.Rpi to allow cross-compilation
@@ -24,6 +24,7 @@ RUN apt-get update
RUN apt-get install -y curl git build-essential crossbuild-essential-armhf
RUN apt-get install -y libasound2-dev libasound2-dev:armhf
+RUN apt-get install -y pkg-config
RUN curl https://sh.rustup.rs -sSf | sh -s -- -y
ENV PATH="/root/.cargo/bin/:${PATH}"
@@ -35,9 +36,12 @@ RUN mkdir /.cargo && \
RUN mkdir /build
ENV CARGO_TARGET_DIR /build
ENV CARGO_HOME /build/cache
+ENV PKG_CONFIG_PATH /usr/lib/arm-linux-gnueabihf/pkgconfig/
+ENV PKG_CONFIG_ALLOW_CROSS 1
ADD . /src
WORKDIR /src
+
RUN cargo build --release --target arm-unknown-linux-gnueabihf --no-default-features --features "alsa-backend"
