Use rust nightly on platforms where linker supports it (#280)

Allows use of not-yet-stable flags to reduce binary size by ~200KB

Co-authored-by: Kleis Auke Wolthuizen <[email protected]>

Author: lovell

build/posix.sh

@@ -106,7 +106,8 @@ CURL="curl --silent --location --retry 3 --retry-max-time 30"
 
 if [ "$DARWIN" = true ]; then
   curl --proto '=https' --tlsv1.2 -sSf https://sh.rustup.rs \
-    | sh -s -- -y --no-modify-path --profile minimal
+    | sh -s -- -y --no-modify-path --profile minimal --default-toolchain nightly
+  export RUSTFLAGS+=" -Zlocation-detail=none -Zfmt-debug=none"
   CFLAGS= cargo install cargo-c --locked
 fi
 

platforms/linux-arm64v8/Dockerfile

@@ -48,6 +48,7 @@ RUN \
     --no-modify-path \
     --profile minimal \
     --default-host aarch64-unknown-linux-gnu \
+    --default-toolchain nightly \
     && \
   cargo install cargo-c --locked && \
   ln -s /usr/bin/cmake3 /usr/bin/cmake && \
@@ -58,6 +59,7 @@ ENV \
   PKG_CONFIG="pkg-config --static" \
   PLATFORM="linux-arm64v8" \
   FLAGS="-march=armv8-a" \
+  RUSTFLAGS="-Zlocation-detail=none -Zfmt-debug=none" \
   MESON="--cross-file=/root/meson.ini"
 
 COPY Toolchain.cmake /root/

platforms/linux-armv6/Dockerfile

@@ -35,8 +35,9 @@ RUN \
   curl https://sh.rustup.rs -sSf | sh -s -- -y \
     --no-modify-path \
     --profile minimal \
+    --target arm-unknown-linux-gnueabihf \
+    --default-toolchain nightly \
     && \
-  rustup target add arm-unknown-linux-gnueabihf && \
   cargo install cargo-c --locked && \
   pip3 install meson==1.7.2 tomli
 
@@ -47,6 +48,7 @@ ENV \
   CHOST="arm-rpi-linux-gnueabihf" \
   RUST_TARGET="arm-unknown-linux-gnueabihf" \
   FLAGS="-marm -mcpu=arm1176jzf-s -mfpu=vfp -mfloat-abi=hard" \
+  RUSTFLAGS="-Zlocation-detail=none -Zfmt-debug=none" \
   WITHOUT_NEON="true" \
   # Highway requires NEON (Armv7+)
   WITHOUT_HIGHWAY="true" \

platforms/linux-ppc64le/Dockerfile

@@ -33,8 +33,9 @@ RUN \
   curl https://sh.rustup.rs -sSf | sh -s -- -y \
     --no-modify-path \
     --profile minimal \
+    --target powerpc64le-unknown-linux-gnu \
+    --default-toolchain nightly \
     && \
-  rustup target add powerpc64le-unknown-linux-gnu && \
   cargo install cargo-c --locked && \
   pip3 install meson==1.7.2 tomli
 
@@ -49,6 +50,7 @@ ENV \
   CHOST="powerpc64le-linux-gnu" \
   RUST_TARGET="powerpc64le-unknown-linux-gnu" \
   FLAGS="" \
+  RUSTFLAGS="-Zlocation-detail=none -Zfmt-debug=none" \
   MESON="--cross-file=/root/meson.ini"
 
 COPY Toolchain.cmake /root/

platforms/linux-riscv64/Dockerfile

@@ -35,8 +35,9 @@ RUN \
   curl https://sh.rustup.rs -sSf | sh -s -- -y \
     --no-modify-path \
     --profile minimal \
+    --target riscv64gc-unknown-linux-gnu \
+    --default-toolchain nightly \
     && \
-  rustup target add riscv64gc-unknown-linux-gnu && \
   cargo install cargo-c --locked && \
   pipx install meson==1.7.2
 
@@ -47,6 +48,7 @@ ENV \
   CHOST="riscv64-linux-gnu" \
   RUST_TARGET="riscv64gc-unknown-linux-gnu" \
   FLAGS="-march=rv64gc" \
+  RUSTFLAGS="-Zlocation-detail=none -Zfmt-debug=none" \
   WITHOUT_HIGHWAY="true" \
   MESON="--cross-file=/root/meson.ini"
 

platforms/linux-s390x/Dockerfile

@@ -34,8 +34,9 @@ RUN \
   curl https://sh.rustup.rs -sSf | sh -s -- -y \
     --no-modify-path \
     --profile minimal \
+    --target s390x-unknown-linux-gnu \
+    --default-toolchain nightly \
     && \
-  rustup target add s390x-unknown-linux-gnu && \
   cargo install cargo-c --locked && \
   pip3 install meson==1.7.2 tomli
 
@@ -50,6 +51,7 @@ ENV \
   CHOST="s390x-linux-gnu" \
   RUST_TARGET="s390x-unknown-linux-gnu" \
   FLAGS="" \
+  RUSTFLAGS="-Zlocation-detail=none -Zfmt-debug=none" \
   # Highway supports IBMZ starting from IBM/Z14, which needs GCC 11 or
   # higher (i.e. Debian 12, glibc 2.36). Therefore, it should be disabled
   # for the time being.

platforms/linuxmusl-arm64v8/Dockerfile

@@ -42,6 +42,7 @@ RUN \
     --no-modify-path \
     --profile minimal \
     --default-host aarch64-unknown-linux-musl \
+    --default-toolchain nightly \
     && \
   cargo install cargo-c --locked && \
   pip3 install meson==1.7.2
@@ -51,6 +52,7 @@ ENV \
   PKG_CONFIG="pkg-config --static" \
   PLATFORM="linuxmusl-arm64v8" \
   FLAGS="-march=armv8-a" \
+  RUSTFLAGS="-Zlocation-detail=none -Zfmt-debug=none" \
   MESON="--cross-file=/root/meson.ini"
 
 COPY Toolchain.cmake /root/

platforms/linuxmusl-x64/Dockerfile

@@ -42,6 +42,7 @@ RUN \
   curl https://sh.rustup.rs -sSf | sh -s -- -y \
     --no-modify-path \
     --profile minimal \
+    --default-toolchain nightly \
     && \
   cargo install cargo-c --locked && \
   pip3 install meson==1.7.2
@@ -51,6 +52,7 @@ ENV \
   PKG_CONFIG="pkg-config --static" \
   PLATFORM="linuxmusl-x64" \
   FLAGS="-march=nehalem" \
+  RUSTFLAGS="-Zlocation-detail=none -Zfmt-debug=none" \
   MESON="--cross-file=/root/meson.ini"
 
 COPY Toolchain.cmake /root/