针对你遇到的 "undefined reference to sem_init" 错误,以下是一些可能的解决步骤和注意事项: 检查是否包含了正确的头文件: 确保你的代码中包含了 <semaphore.h> 头文件,这是使用 POSIX 信号量所必需的。例如: c #include <semaphore.h> 确认编译器和链接器是否支持 POSIX 线程库: 在使用 GCC...
undefined reference to `sem_post' undefined reference to `sem_wait' 编译选项需要加入一个多线程 gcc -pthread -o outfile.out filename.c [source code] #include "sched.h" #include "pthread.h" #include "stdio.h" #include "stdlib.h" #include "semaphore.h" int producer(void * args); int ...
linuxthreads.cc:(.text+0x67b): undefined reference to `sem_wait'collect2: error: ld returned1exit status sem_init是库函数,头文件是#include<semaphore.h>。搜索了很多资料,都说是缺少了链接选项-lpthread,但是我们的Makefile是有-lpthread选项的,又尝试了在编译选项里面加-pthread,但还是没有效果,各种办...
undefined reference to `swr_init+ 这个是没有链接库导致的。加上: -lswresample 1. 有时需要加上: -lx264 1.
./lib//libmpi.so: undefined reference to `sem_wait' ./lib//libmpi.so: undefined reference to `HI_VOICE_EncReset' ./lib//libmpi.so: undefined reference to `sem_init' ./lib//libmpi.so: undefined reference to `HI_UPVQE_ReadFrame' ...
common.o:Infunction`SemInit': common.c:(.text+0x7f): undefined reference to`sem_open' common.c:(.text+0xa2):undefined reference to`sem_open' common.o: In function`SemDestroy':common.c:(.text+0xc6):undefined reference to`sem_open' ...
主要用到的函数: int sem_init(sem_t *sem, int pshared, unsigned int va... 郑志强Aloha 0 31958 undefined reference to XXX 问题原因 2016-04-28 17:36 − 原文地址:http://blog.csdn.net/cserchen/article/details/5503556 Linux下编译程序时,经常会遇到“undefined reference to XXX” 报错, ...
(.text+0x73): In function `main': : undefined reference to `sqlite3_close' /tmp/ccKeKpX9.o(.text+0x9b): In function `main': : undefined reference to `sqlite3_close' collect2: ld returned 1 exit status 解决方法 gcc -o hello -L /usr/local/lib -I/usr/local/include -static ...
jni/../jni/sdl_main/SDL_android_main.cpp:37: error: undefined reference to 'SDL_main' clang++: error: linker command failed with exit code 1 (use -v to see invocation) make: *** [/home/myuser/Android/Sdk/ndk/21.1.6352462/build/core/build-binary.mk:725: obj/local/armeabi-v7a/lib...
undefined reference to `sem_wait' 编译选项需要加入一个多线程 gcc -pthread -o outfile.out filename.c [source code] #include "sched.h" #include "pthread.h" #include "stdio.h" #include "stdlib.h" #include "semaphore.h" int producer(void * args); ...