在 cygwin 中构建 binutils 时出现“make”命令错误

Question

我使用 cygwin 为我的平台构建 binutils。我遵循了GCC-Cross-Compiler文章并堆栈了“make”命令。我使用的命令：

export PREFIX="$HOME/opt/cross"

../binutils-2.42/configure --target=amd64 --prefix="$PREFIX" --with-sysroot --disable-nls --disable-werror
make CFLAGS="-march=x86-64-v2" && make install

在“make”命令上它抛出了以下错误：

../../binutils-2.42/libiberty/pex-unix.c:259:14: warning: implicit declaration of function ‘wait’; did you mean ‘cwait’? [-Wimplicit-function-declaration]
  259 |       cpid = wait (status);
      |              ^~~~
      |              cwait
../../binutils-2.42/libiberty/pex-unix.c: In function ‘save_and_install_fd’:
../../binutils-2.42/libiberty/pex-unix.c:385:11: warning: implicit declaration of function ‘fcntl’ [-Wimplicit-function-declaration]
  385 |   flags = fcntl (old_fd, F_GETFD);
      |           ^~~~~
../../binutils-2.42/libiberty/pex-unix.c:385:26: error: ‘F_GETFD’ undeclared (first use in this function)
  385 |   flags = fcntl (old_fd, F_GETFD);
      |                          ^~~~~~~
../../binutils-2.42/libiberty/pex-unix.c:385:26: note: each undeclared identifier is reported only once for each function it appears in
../../binutils-2.42/libiberty/pex-unix.c:398:20: error: ‘FD_CLOEXEC’ undeclared (first use in this function)
  398 |       if ((flags & FD_CLOEXEC) == 0 && fcntl (old_fd, F_SETFD, FD_CLOEXEC) < 0)
      |                    ^~~~~~~~~~
../../binutils-2.42/libiberty/pex-unix.c:398:55: error: ‘F_SETFD’ undeclared (first use in this function)
  398 |       if ((flags & FD_CLOEXEC) == 0 && fcntl (old_fd, F_SETFD, FD_CLOEXEC) < 0)
      |                                                       ^~~~~~~
../../binutils-2.42/libiberty/pex-unix.c:411:31: error: ‘F_DUPFD’ undeclared (first use in this function)
  411 |       new_fd = fcntl (old_fd, F_DUPFD, 3);
      |                               ^~~~~~~
../../binutils-2.42/libiberty/pex-unix.c: In function ‘restore_fd’:
../../binutils-2.42/libiberty/pex-unix.c:445:19: error: ‘FD_CLOEXEC’ undeclared (first use in this function)
  445 |       if (flags & FD_CLOEXEC)
      |                   ^~~~~~~~~~
../../binutils-2.42/libiberty/pex-unix.c:447:29: error: ‘F_SETFD’ undeclared (first use in this function)
  447 |       return fcntl (old_fd, F_SETFD, flags);

（还有很多，但我认为没有意义全部放完）

尝试调整编译标志，尝试不删除 -march=x86_64-v2 规范。

错误信息

Answer 1

我不知道你是否解决了这个问题，我意识到我的Windows已经安装了另一个版本的mingw gcc并设置了环境变量，所以我删除了mingw的环境变量，并从cygwin安装程序中安装了gcc-g++，然后它成功了！希望这对您有帮助！