wip: aarch64 toolchain

Author: mhx

.docker/build-linux.sh

@@ -327,8 +327,8 @@ if [[ "-$BUILD_TYPE-" == *-static-* ]]; then
   fi
 
   export LDFLAGS="${LDFLAGS} --sysroot=$_SYSROOT -static-libgcc -L$_staticprefix/lib -L$_SYSROOT/usr/$_TARGET/lib -lucontext"
-  export CFLAGS="${CFLAGS} --sysroot=$_SYSROOT"
-  export CXXFLAGS="${CXXFLAGS} --sysroot=$_SYSROOT"
+  export CFLAGS="${CFLAGS} --sysroot=$_SYSROOT -isystem $_staticprefix/include"
+  export CXXFLAGS="${CXXFLAGS} --sysroot=$_SYSROOT -isystem $_staticprefix/include"
   # if [[ "$ARCH" == "aarch64" ]]; then
   #   # For some reason, this dependency of libunwind is not resolved on aarch64
   #   export LDFLAGS="${LDFLAGS} -lz"

.docker/install-toolchain.sh

@@ -129,7 +129,8 @@ for target_arch in ${TARGET_ARCH_STR//,/ }; do
         cd binutils-${BINUTILS_VERSION}-build-${TARGETARCH}-O${OPT}
 
         "$HOME"/pkgs/binutils-${BINUTILS_VERSION}/configure \
-            --target=$TARGET --prefix=$PREFIX --with-sysroot=$SYSROOT --disable-nls --disable-werror
+            --target=$TARGET --program-prefix="$TARGET-" --prefix=$PREFIX --with-sysroot=$SYSROOT \
+            --disable-nls --disable-werror
         make -j"$(nproc)"
         make install