Question

我正在为阿梅尔交叉建造飞镖（一位客户雇用我来解决那里的问题）

我正在使用ubuntu 14.04（armel gcc / g ++是4.7.3）。

因为我看到了，所以我想把它拿走 -

  /usr/bin/arm-linux-gnueabi-g++ '-DDART_NO_SNAPSHOT' '-DDART_PRECOMPILER' '-DTARGET_ARCH_ARM' '-DNDEBUG' '-D_FORTIFY_SOURCE=2' -Iruntime  -Werror -Wall -Wextra -Wno-unused-parameter -Wnon-virtual-dtor -Wvla -Woverloaded-virtual -g3 -ggdb3 -fno-rtti -fno-exceptions -fstack-protector -Wa,--noexecstack -marm -mfpu=vfp -Wno-psabi -fno-strict-overflow -O3 -ffunction-sections -fno-omit-frame-pointer  -MMD -MF out/ReleaseXARM/.deps/out/ReleaseXARM/obj.target/libdart_vm_nosnapshot/runtime/vm/compiler.o.d.raw  -c -o out/ReleaseXARM/obj.target/libdart_vm_nosnapshot/runtime/vm/compiler.o runtime/vm/compiler.cc
In file included from runtime/vm/isolate.h:18:0,
                 from runtime/vm/growable_array.h:15,
                 from runtime/vm/compiler.h:9,
                 from runtime/vm/compiler.cc:5:
runtime/vm/thread.h: In static member function 'static dart::RawError* dart::Compiler::CompileClass(const dart::Class&)':
runtime/vm/thread.h:167:17: error: variable 'thread' might be clobbered by 'longjmp' or 'vfork' [-Werror=clobbered]
cc1plus: all warnings being treated as errors
make: *** [out/ReleaseXARM/obj.target/libdart_vm_nosnapshot/runtime/vm/compiler.o] Error 1
BUILD FAILED

我正在使用这个dart git树：

commit 1d028eed8dfa00ac9d4ff685e61b01e6909dbeb4
Author: Paul Berry <paulberry@google.com>
Date:   Wed Nov 30 12:28:51 2016 -0800

Answer 1

这是代码中的实际错误。解决此问题的一种方法是标记thread变量volatile。

如何清洁飞镖构造？并修改g ++标志？

1 个答案: