我在斯坦福网上审计cs107
我遇到的问题是赋值6,当我在终端中输入"make“时,弹出错误消息。基本上,我错过了两个头文件,我猜这两个头文件可以从预编译的.lib文件中获得。但不知何故,它就是不起作用。
以下是原始make文件的一部分:
CFLAGS = -D_REENTRANT -g -Wall -D__ostype_is_$(OSTYPE)__ -std=gnu99 -I/usr/class/cs107/include/ -Wno-unused-function $(DFLAG)
LDFLAGS = -L/usr/class/cs107/assignments/assn-6-rss-news-search-lib/$(OSTYPE) -L/usr/class/cs107/lib -lexpat -lrssnews $(PLATFORM_LIBS) $(THREAD_LIBS)
PFLAGS= -linker=/usr/pubsw/bin/ld -best-effort -threads=yes -max-threads=1000编辑:
当我说“这应该在没有线程实现的情况下编译”时,我的意思是它应该在没有进一步的线程实现的情况下由学生编译。
下面是线程的错误消息:
gcc -D_REENTRANT -g -Wall -D__ostype_is_linux__ -std=gnu99 -I/usr/class/cs107/include/ -Wno-unused-function -c -o rss-news-search.o rss-news-search.c
rss-news-search.c: In function ‘main’:
rss-news-search.c:109:3: warning: implicit declaration of function ‘InitThreadPackage’ [-Wimplicit-function-declaration]
gcc rss-news-search.o -D_REENTRANT -g -Wall -D__ostype_is_linux__ -std=gnu99 -I/usr/class/cs107/include/ -Wno-unused-function -L/home/h/cs107/assn-6-rss-news-search-lib/linux -L/usr/class/cs107/lib -L. -lexpat -lrssnews -lnsl -lpthread -lthread_107_linux -o rss-news-search
/usr/bin/ld: cannot find -lthread_107_linux
collect2: ld returned 1 exit status
make: *** [rss-news-search] Error 1以下是不带$(THREAD_LIBS)的错误消息:
gcc -D_REENTRANT -g -Wall -D__ostype_is_linux__ -std=gnu99 -I/usr/class/cs107/include/ -Wno-unused-function -c -o rss-news-search.o rss-news-search.c
rss-news-search.c: In function ‘main’:
rss-news-search.c:109:3: warning: implicit declaration of function ‘InitThreadPackage’ [-Wimplicit-function-declaration]
gcc rss-news-search.o -D_REENTRANT -g -Wall -D__ostype_is_linux__ -std=gnu99 -I/usr/class/cs107/include/ -Wno-unused-function -L/home/h/cs107/assn-6-rss-news-search-lib/linux -L/usr/class/cs107/lib -L. -lexpat -lrssnews -lnsl -lpthread -o rss-news-search
rss-news-search.o: In function `main':
/home/h/cs107/assn-6-rss-news-search/rss-news-search.c:109: undefined reference to `InitThreadPackage'
collect2: ld returned 1 exit status
make: *** [rss-news-search] Error 1在后一种情况下,如果我注释掉"InitThreadPackage",它会编译得很好。
发布于 2012-08-13 04:55:14
以下是编译项目的过程:
assn-6-rss-news-search/thread_107.h,并将其放入:将库函数从assn-6-rss-news-search-lib/linux/注释为文件rss-news-search.c,方法是在109上使用注释对函数的调用:InitThreadPackage:
//InitThreadPackage(false);
Makefile以包含指向当前目录的路径(以便能够链接到之前复制的库行27应如下所示:
LDFLAGS = -L/usr/class/cs107/assignments/assn-6-rss-news-search-lib/$(OSTYPE) -L/usr/class/cs107/lib -L. -lexpat -lrssnews $(PLATFORM_LIBS) $(THREAD_LIBS)然后:
make clean
make编辑:
收到此错误cannot find lthread_107_linux时,请编辑Makefile以在27行上删除此$(THREAD_LIBS)
LDFLAGS = -L/usr/class/cs107/assignments/assn-6-rss-news-search-lib/$(OSTYPE) -L/usr/class/cs107/lib -L. -lexpat -lrssnews $(PLATFORM_LIBS)发布于 2012-08-13 04:10:40
特定于班级的头文件,如thread_107.h,可以在讲师期望学生使用的任何机器上的/usr/class/cs107/include/中找到。如果您不使用该计算机,则必须复制这些包含文件或创建自己的文件。
expat.h文件来自一个开源库。您需要在您正在编译的系统上安装适当的包。在Ubuntu上,这是sudo apt-get install libexpat1-dev,但在其他发行版上,包名应该类似。
https://stackoverflow.com/questions/11925352
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