How to build this project? #2

master-q · 2015-05-05T14:57:07Z

I'm tring to build your project.
However I stop at following error.

$ rustc --version
rustc 1.1.0-nightly (435622028 2015-05-04) (built 2015-05-05)
$ cd mbed-rust-frdm-k64f-blinky
$ make
rustc -L . --target thumbv7m-none-eabi -C target-cpu=cortex-m4  -C relocation-model=static -C opt-level=0 -g -Z no-landing-pads  -A dead_code -A unused_variables  --emit obj -o src/mbed-rust-frdm-k64-blinky.o src/mbed-rust-frdm-k64-blinky.rs
src/mbed-rust-frdm-k64-blinky.rs:15:1: 15:11 error: no_std is experimental
src/mbed-rust-frdm-k64-blinky.rs:15 #![no_std]
                                    ^~~~~~~~~~
src/mbed-rust-frdm-k64-blinky.rs:15:1: 15:11 help: add #![feature(no_std)] to the crate attributes to enable
error: aborting due to previous error
Makefile:43: recipe for target 'src/mbed-rust-frdm-k64-blinky.o' failed
make: *** [src/mbed-rust-frdm-k64-blinky.o] Error 101

Do you have any infomation for it?

The text was updated successfully, but these errors were encountered:

0xc0170 · 2015-05-05T15:23:37Z

Place above #![feature(no_std)], this should fix that error. The last time I built was using older rustc - 2 months ago, waiting for 1.0. We can start cleaning this, so lets keep this issue open until the project is in linking complete phase

master-q · 2015-05-05T15:27:57Z

Thank's for your advice. However still error...

$ git diff | cat
diff --git a/src/mbed-rust-frdm-k64-blinky.rs b/src/mbed-rust-frdm-k64-blinky.rs
index c643f9a..a28120d 100644
--- a/src/mbed-rust-frdm-k64-blinky.rs
+++ b/src/mbed-rust-frdm-k64-blinky.rs
@@ -11,8 +11,7 @@
 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 // See the License for the specific language governing permissions and
 // limitations under the License.
-
-#![no_std]
+#![feature(no_std)]
 #![crate_type = "rlib"]
 #![feature(lang_items, asm)]

$ make
rustc -L . --target thumbv7m-none-eabi -C target-cpu=cortex-m4  -C relocation-model=static -C opt-level=0 -g -Z no-landing-pads  -A dead_code -A unused_variables  --emit obj -o src/mbed-rust-frdm-k64-blinky.o src/mbed-rust-frdm-k64-blinky.rs
src/mbed-rust-frdm-k64-blinky.rs:1:1: 1:1 error: can't find crate for `std`
src/mbed-rust-frdm-k64-blinky.rs:1 // Copyright 2015 Martin Kojtal (0xc0170)
                                   ^
error: aborting due to previous error
Makefile:43: recipe for target 'src/mbed-rust-frdm-k64-blinky.o' failed
make: *** [src/mbed-rust-frdm-k64-blinky.o] Error 101

0xc0170 · 2015-05-05T15:31:28Z

Check this https://github.com/rust-lang/rust/pull/21988/files, feature should be above

master-q · 2015-05-05T15:39:28Z

I got some progress! Where is core?

$ git diff | cat
diff --git a/src/mbed-rust-frdm-k64-blinky.rs b/src/mbed-rust-frdm-k64-blinky.rs
index c643f9a..d8c0117 100644
--- a/src/mbed-rust-frdm-k64-blinky.rs
+++ b/src/mbed-rust-frdm-k64-blinky.rs
@@ -11,9 +11,9 @@
 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 // See the License for the specific language governing permissions and
 // limitations under the License.
-
-#![no_std]
 #![crate_type = "rlib"]
+#![feature(no_std)]
+#![no_std]
 #![feature(lang_items, asm)]

 #![allow(dead_code)]
$ make
rustc -L . --target thumbv7m-none-eabi -C target-cpu=cortex-m4  -C relocation-model=static -C opt-level=0 -g -Z no-landing-pads  -A dead_code -A unused_variables  --emit obj -o src/mbed-rust-frdm-k64-blinky.o src/mbed-rust-frdm-k64-blinky.rs
src/mbed-rust-frdm-k64-blinky.rs:22:1: 22:19 error: can't find crate for `core`
src/mbed-rust-frdm-k64-blinky.rs:22 extern crate core;
                                    ^~~~~~~~~~~~~~~~~~
error: aborting due to previous error
Makefile:43: recipe for target 'src/mbed-rust-frdm-k64-blinky.o' failed
make: *** [src/mbed-rust-frdm-k64-blinky.o] Error 101

0xc0170 · 2015-05-05T15:48:31Z

Ah , its not written in the readme, check my other rust example, where is written how to build core (its target in the makefile, make libcore) - You need a rust clone to build libcore. https://github.com/0xc0170/frdm-kl25z-rust

master-q · 2015-05-05T16:37:33Z

The libcore.rlib was built. However also error occurs.
The core library is unstable?

$ make libcore
$ file libcore.rlib
libcore.rlib: current ar archive
$ make
rustc -L . --target thumbv7m-none-eabi -C target-cpu=cortex-m4  -C relocation-model=static -C opt-level=0 -g -Z no-landing-pads  -A dead_code -A unused_variables  --emit obj -o src/mbed-rust-frdm-k64-blinky.o src/mbed-rust-frdm-k64-blinky.rs
src/mbed-rust-frdm-k64-blinky.rs:22:1: 22:19 error: use of unstable library feature 'core'
src/mbed-rust-frdm-k64-blinky.rs:22 extern crate core;
                                    ^~~~~~~~~~~~~~~~~~
src/mbed-rust-frdm-k64-blinky.rs:22:1: 22:19 help: add #![feature(core)] to the crate attributes to enable
src/DigitalOut.rs:17:5: 17:27 error: use of unstable library feature 'core'
src/DigitalOut.rs:17 use core::intrinsics::init;
                         ^~~~~~~~~~~~~~~~~~~~~~
src/DigitalOut.rs:17:5: 17:27 help: add #![feature(core)] to the crate attributes to enable
src/DigitalOut.rs:19:5: 19:26 error: use of unstable library feature 'core'
src/DigitalOut.rs:19 use core::slice::SliceExt;
                         ^~~~~~~~~~~~~~~~~~~~~
src/DigitalOut.rs:19:5: 19:26 help: add #![feature(core)] to the crate attributes to enable
src/DigitalOut.rs:40:45: 40:49 error: use of unstable library feature 'core'
src/DigitalOut.rs:40             let mut gpio_out : DigitalOut = init();
                                                                 ^~~~
src/DigitalOut.rs:40:45: 40:49 help: add #![feature(core)] to the crate attributes to enable
src/DigitalOut.rs:42:41: 42:53 error: use of unstable library feature 'core'
src/DigitalOut.rs:42             gpio_init_out(gpio_out.gpio.as_mut_ptr(), pin);
                                                             ^~~~~~~~~~~~
src/DigitalOut.rs:42:41: 42:53 help: add #![feature(core)] to the crate attributes to enable
src/DigitalOut.rs:48:19: 48:31 error: use of unstable library feature 'core'
src/DigitalOut.rs:48         self.gpio.as_mut_ptr()
                                       ^~~~~~~~~~~~
src/DigitalOut.rs:48:19: 48:31 help: add #![feature(core)] to the crate attributes to enable
src/DigitalOut.rs:53:34: 53:46 error: use of unstable library feature 'core'
src/DigitalOut.rs:53             gpio_write(self.gpio.as_mut_ptr(), value);
                                                      ^~~~~~~~~~~~
src/DigitalOut.rs:53:34: 53:46 help: add #![feature(core)] to the crate attributes to enable
src/DigitalOut.rs:59:33: 59:45 error: use of unstable library feature 'core'
src/DigitalOut.rs:59             gpio_read(self.gpio.as_mut_ptr())
                                                     ^~~~~~~~~~~~
src/DigitalOut.rs:59:33: 59:45 help: add #![feature(core)] to the crate attributes to enable
src/DigitalOut.rs:15:5: 15:23 warning: unused import, #[warn(unused_imports)] on by default
src/DigitalOut.rs:15 use core::marker::Copy;
                         ^~~~~~~~~~~~~~~~~~
src/DigitalOut.rs:16:5: 16:32 warning: unused import, #[warn(unused_imports)] on by default
src/DigitalOut.rs:16 use core::intrinsics::transmute;
                         ^~~~~~~~~~~~~~~~~~~~~~~~~~~
src/DigitalOut.rs:18:5: 18:14 warning: unused import, #[warn(unused_imports)] on by default
src/DigitalOut.rs:18 use core::mem;
                         ^~~~~~~~~
error: aborting due to 8 previous errors

master-q · 2015-05-06T06:52:45Z

More progress! I think the compile error is an issue of my environment. I'll try to fix it.

$ git diff | cat
diff --git a/src/mbed-rust-frdm-k64-blinky.rs b/src/mbed-rust-frdm-k64-blinky.rs
index c643f9a..eae3e26 100644
--- a/src/mbed-rust-frdm-k64-blinky.rs
+++ b/src/mbed-rust-frdm-k64-blinky.rs
@@ -11,10 +11,10 @@
 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 // See the License for the specific language governing permissions and
 // limitations under the License.
-
-#![no_std]
 #![crate_type = "rlib"]
-#![feature(lang_items, asm)]
+#![feature(no_std)]
+#![no_std]
+#![feature(lang_items, asm, core)]

 #![allow(dead_code)]
 #![allow(non_snake_case)]
$ make
rustc -L . --target thumbv7m-none-eabi -C target-cpu=cortex-m4  -C relocation-model=static -C opt-level=0 -g -Z no-landing-pads  -A dead_code -A unused_variables  --emit obj -o src/mbed-rust-frdm-k64-blinky.o src/mbed-rust-frdm-k64-blinky.rs
src/DigitalOut.rs:15:5: 15:23 warning: unused import, #[warn(unused_imports)] on by default
src/DigitalOut.rs:15 use core::marker::Copy;
                         ^~~~~~~~~~~~~~~~~~
src/DigitalOut.rs:16:5: 16:32 warning: unused import, #[warn(unused_imports)] on by default
src/DigitalOut.rs:16 use core::intrinsics::transmute;
                         ^~~~~~~~~~~~~~~~~~~~~~~~~~~
src/DigitalOut.rs:18:5: 18:14 warning: unused import, #[warn(unused_imports)] on by default
src/DigitalOut.rs:18 use core::mem;
                         ^~~~~~~~~
arm-none-eabi-gcc -mcpu=cortex-m4 -mthumb -T K64FN1M0xxx12.ld -Wl,-Map=frdm-k64f-mbed-blinky.map,--cref -Wl,--wrap,main -Wl,--gc-sections --specs=nano.specs  -L . src/mbed-rust-frdm-k64-blinky.o board.o cmsis_nvic.o mbed_overrides.o retarget.o startup_MK64F12.o system_MK64F12.o -Wl,--start-group -lmbed -lstdc++ -lsupc++ -lm -lc -lgcc -Wl,--end-group /usr/lib/gcc/arm-none-eabi/4.8.4/libgcc.a -o frdm-k64f-mbed-blinky.elf
arm-none-eabi-gcc: error: board.o: No such file or directory
arm-none-eabi-gcc: error: cmsis_nvic.o: No such file or directory
arm-none-eabi-gcc: error: mbed_overrides.o: No such file or directory
arm-none-eabi-gcc: error: retarget.o: No such file or directory
arm-none-eabi-gcc: error: startup_MK64F12.o: No such file or directory
arm-none-eabi-gcc: error: system_MK64F12.o: No such file or directory
arm-none-eabi-gcc: error: /usr/lib/gcc/arm-none-eabi/4.8.4/libgcc.a: No such file or directory
Makefile:46: recipe for target 'frdm-k64f-mbed-blinky.elf' failed
make: *** [frdm-k64f-mbed-blinky.elf] Error 1

master-q · 2015-05-06T07:32:39Z

I built mbed libraries. However linker can't find gpio_write symbol...

$ ls ../mbed/build/mbed/TARGET_K64F/TOOLCHAIN_GCC_ARM/
K64FN1M0xxx12.ld  board.o  cmsis_nvic.o  libmbed.a  mbed_overrides.o  retarget.o  startup_MK64F12.o  system_MK64F12.o
$ cp ../mbed/build/mbed/TARGET_K64F/TOOLCHAIN_GCC_ARM/* .
$ make
rustc -L . --target thumbv7m-none-eabi -C target-cpu=cortex-m4  -C relocation-model=static -C opt-level=0 -g -Z no-landing-pads  -A dead_code -A unused_variables  --emit obj -o src/mbed-rust-frdm-k64-blinky.o src/mbed-rust-frdm-k64-blinky.rs
src/DigitalOut.rs:15:5: 15:23 warning: unused import, #[warn(unused_imports)] on by default
src/DigitalOut.rs:15 use core::marker::Copy;
                         ^~~~~~~~~~~~~~~~~~
src/DigitalOut.rs:16:5: 16:32 warning: unused import, #[warn(unused_imports)] on by default
src/DigitalOut.rs:16 use core::intrinsics::transmute;
                         ^~~~~~~~~~~~~~~~~~~~~~~~~~~
src/DigitalOut.rs:18:5: 18:14 warning: unused import, #[warn(unused_imports)] on by default
src/DigitalOut.rs:18 use core::mem;
                         ^~~~~~~~~
arm-none-eabi-gcc -mcpu=cortex-m4 -mthumb -T K64FN1M0xxx12.ld -Wl,-Map=frdm-k64f-mbed-blinky.map,--cref -Wl,--wrap,main -Wl,--gc-sections --specs=nano.specs  -L . src/mbed-rust-frdm-k64-blinky.o board.o cmsis_nvic.o mbed_overrides.o retarget.o startup_MK64F12.o system_MK64F12.o -Wl,--start-group -lmbed -lstdc++ -lsupc++ -lm -lc -lgcc -Wl,--end-group /usr/lib/gcc/arm-none-eabi/4.8/libgcc.a -o frdm-k64f-mbed-blinky.elf
src/mbed-rust-frdm-k64-blinky.o: In function `mbed_rust_frdm_k64_blinky::DigitalOut::DigitalOut::write':
/home/kiwamu/src/mbed-rust-frdm-k64f-blinky.masterq/src/DigitalOut.rs:53: undefined reference to `gpio_write'
collect2: error: ld returned 1 exit status
Makefile:46: recipe for target 'frdm-k64f-mbed-blinky.elf' failed
make: *** [frdm-k64f-mbed-blinky.elf] Error 1

0xc0170 · 2015-05-06T07:36:52Z

libmbed.a - library is part of this project. I commited the prebuilt mbed library because I had to do some modifications, I described it here http://0xc0170.github.io/rust/2015/02/18/mbed-with-rust-update-1/ (the very end). I am planning to create an issue on mbed and possibly to send a proposal how we can fix it (don't inline HAL functions and some extensions I found valuable when using rust for example).

master-q · 2015-05-06T07:39:41Z

How about commit *.o files?

$ ls *.o
board.o  cmsis_nvic.o  mbed_overrides.o  retarget.o  startup_MK64F12.o  system_MK64F12.o

I think your gitignore file shut out these.

master-q · 2015-05-06T07:41:36Z

I got it!

$ cp ../mbed/build/mbed/TARGET_K64F/TOOLCHAIN_GCC_ARM/*.o .
$ make
rustc -L . --target thumbv7m-none-eabi -C target-cpu=cortex-m4  -C relocation-model=static -C opt-level=0 -g -Z no-landing-pads  -A dead_code -A unused_variables  --emit obj -o src/mbed-rust-frdm-k64-blinky.o src/mbed-rust-frdm-k64-blinky.rs
src/DigitalOut.rs:15:5: 15:23 warning: unused import, #[warn(unused_imports)] on by default
src/DigitalOut.rs:15 use core::marker::Copy;
                         ^~~~~~~~~~~~~~~~~~
src/DigitalOut.rs:16:5: 16:32 warning: unused import, #[warn(unused_imports)] on by default
src/DigitalOut.rs:16 use core::intrinsics::transmute;
                         ^~~~~~~~~~~~~~~~~~~~~~~~~~~
src/DigitalOut.rs:18:5: 18:14 warning: unused import, #[warn(unused_imports)] on by default
src/DigitalOut.rs:18 use core::mem;
                         ^~~~~~~~~
arm-none-eabi-gcc -mcpu=cortex-m4 -mthumb -T K64FN1M0xxx12.ld -Wl,-Map=frdm-k64f-mbed-blinky.map,--cref -Wl,--wrap,main -Wl,--gc-sections --specs=nano.specs  -L . src/mbed-rust-frdm-k64-blinky.o board.o cmsis_nvic.o mbed_overrides.o retarget.o startup_MK64F12.o system_MK64F12.o -Wl,--start-group -lmbed -lstdc++ -lsupc++ -lm -lc -lgcc -Wl,--end-group /usr/lib/gcc/arm-none-eabi/4.8/libgcc.a -o frdm-k64f-mbed-blinky.elf
arm-none-eabi-objcopy -O binary frdm-k64f-mbed-blinky.elf frdm-k64f-mbed-blinky.bin
arm-none-eabi-size --totals frdm-k64f-mbed-blinky.elf
   text    data     bss     dec     hex filename
  20716     112     460   21288    5328 frdm-k64f-mbed-blinky.elf
  20716     112     460   21288    5328 (TOTALS)

However I doesn't have frdm-k64f board...

master-q · 2015-05-06T08:14:33Z

libmbed.a - library is part of this project. I commited the prebuilt mbed library because I had to do some modifications, I described it here http://0xc0170.github.io/rust/2015/02/18/mbed-with-rust-update-1/ (the very end). I am planning to create an issue on mbed and possibly to send a proposal how we can fix it (don't inline HAL functions and some extensions I found valuable when using rust for example).

Could you open the patch for mbed? I would like to test your project on LPC1768.

master-q mentioned this issue May 6, 2015

Need more #! declaration to use core library #3

Merged

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