我有一些用C编写的软件。它编译得很好,但是当我尝试将其打包为Nix包时,编译器会发出错误
未知类型名称'clockid_t';你是说'clock_t'吗?
这是一个MCVE:
default.nix:
with import <nixpkgs> {};
stdenv.mkDerivation {
name = "asdf";
src = lib.cleanSource ./.;
}
main.c中:
#include <stdio.h>
#include <time.h>
clockid_t x;
int main() { return 0; }
生成文件:
all:
cc main.c -o main
将这些文件放在目录中并执行nix-build
会产生以下输出:
these derivations will be built:
/nix/store/8djs648bj3bqrn0bz51hmf79wdifks2b-asdf.drv
building '/nix/store/8djs648bj3bqrn0bz51hmf79wdifks2b-asdf.drv'...
unpacking sources
unpacking source archive /nix/store/zm8c46i44hp2gr9gc7n41f3vg02jh2v5-asdf
source root is asdf
patching sources
configuring
no configure script, doing nothing
building
build flags: SHELL=/nix/store/g9cis4hsnzcjkzfa77nif7kzq9bsqmpg-bash-4.4-p23/bin/bash
cc main.c -o main
main.c:4:1: error: unknown type name 'clockid_t'; did you mean 'clock_t'?
clockid_t x;
^~~~~~~~~
clock_t
/nix/store/l77bg1s15f0wgjf4c12fc29ghvjbswwy-Libsystem-osx-10.11.6/include/sys/_types/_clock_t.h:30:33: note: 'clock_t' declared here
typedef __darwin_clock_t clock_t;
^
1 error generated.
make: *** [makefile:2: all] Error 1
builder for '/nix/store/8djs648bj3bqrn0bz51hmf79wdifks2b-asdf.drv' failed with exit code 2
error: build of '/nix/store/8djs648bj3bqrn0bz51hmf79wdifks2b-asdf.drv' failed
但是,当我只是运行make
时,没有错误。我怎样才能解决这个问题?
这似乎是一个编译错误,自10.11.6以来在OS X中修复了您在推导中使用的错误。
升级到更新的nixpkgs应该可以解决这个问题。 Nixpkgs 18.09就足够了。