Anaconda安装的GCC编译报错：TIME_UTC和timespec_get未声明

安装最新版Anaconda并配置conda-forge的cxx-compiler与compilers工具后，编译C文件时出现TIME_UTC宏和timespec_get函数未声明的错误——这二者本应包含在time.h头文件中，但系统自带编译器可成功编译该文件。已尝试调整conda-forge包优先级，未奏效，也未找到类似案例，寻求相关提示与建议。

最小示例 #

测试文件test.c #

#include <stdlib.h>
#include <stdio.h>
#include <time.h>

// 获取当前时间（纳秒级）
long get_nanos() {
    struct timespec ts;
    timespec_get(&ts, TIME_UTC);
    return (long)ts.tv_sec * 1000000000L + ts.tv_nsec;
}

int main() {
    // 打印时间
    long test_time = get_nanos();
    printf("Time: %ld\n", test_time);
}

环境创建步骤 #

conda create -n test_env
conda activate test_env
conda install -c conda-forge compilers cxx-compiler
gcc test.c

GCC报错信息 #

test.c: In function 'get_nanos':
test.c:9:9: warning: implicit declaration of function 'timespec_get' [-Wimplicit-function-declaration]
    9 |         timespec_get(&ts, TIME_UTC);
      |         ^~~~~~~~~~~~
test.c:9:27: error: 'TIME_UTC' undeclared (first use in this function)
    9 |         timespec_get(&ts, TIME_UTC);
      |                           ^~~~~~~~
test.c:9:27: note: each undeclared identifier is reported only once for each function it appears in

conda包列表（均来自conda-forge） #

# Name                    Version                   Build  Channel
_libgcc_mutex             0.1                 conda_forge    conda-forge
_openmp_mutex             4.5                       2_gnu    conda-forge
binutils                  2.39                 hdd6e379_1    conda-forge
binutils_impl_linux-64    2.39                 he00db2b_1    conda-forge
binutils_linux-64         2.39                h5fc0e48_13    conda-forge
c-compiler                1.5.2                h0b41bf4_0    conda-forge
compilers                 1.5.2                ha770c72_0    conda-forge
cxx-compiler              1.5.2                hf52228f_0    conda-forge
fortran-compiler          1.5.2                hdb1a99f_0    conda-forge
gcc                       11.3.0              h02d0930_13    conda-forge
gcc_impl_linux-64         11.3.0              hab1b70f_19    conda-forge
gcc_linux-64              11.3.0              he6f903b_13    conda-forge
gfortran                  11.3.0              ha859ce3_13    conda-forge
gfortran_impl_linux-64    11.3.0              he34c6f7_19    conda-forge
gfortran_linux-64         11.3.0              h3c55166_13    conda-forge
gxx                       11.3.0              h02d0930_13    conda-forge
gxx_impl_linux-64         11.3.0              hab1b70f_19    conda-forge
gxx_linux-64              11.3.0              hc203a17_13    conda-forge
kernel-headers_linux-64   2.6.32              he073ed8_15    conda-forge
ld_impl_linux-64          2.39                 hcc3a1bd_1    conda-forge
libgcc-devel_linux-64     11.3.0              h210ce93_19    conda-forge
libgcc-ng                 12.2.0              h65d4601_19    conda-forge
libgfortran5              12.2.0              h337968e_19    conda-forge
libgomp                   12.2.0              h65d4601_19    conda-forge
libsanitizer              11.3.0              h239ccf8_19    conda-forge
libstdcxx-devel_linux-64  11.3.0              h210ce93_19    conda-forge
libstdcxx-ng              12.2.0              h46fd767_19    conda-forge
sysroot_linux-64          2.12                he073ed8_15    conda-forge

conda安装的GCC版本 #

(test_env) ➜  test_dir gcc --version 
gcc (conda-forge gcc 11.3.0-19) 11.3.0
Copyright (C) 2021 Free Software Foundation, Inc.
This is free software; see the source for copying conditions.  There is NO
warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.

内容的提问来源于stack exchange，提问作者Roger Q.