我在看一个CFLAGS的-
CFLAGS=-g -w -D LINUX -O3 -fpermissive
在Makefile中。-D标志的作用是什么?我在手册页上看到
-D name
Predefine name as a macro, with definition 1.
但我不知道该怎么解释。我的解释是把LINUX变成宏,在linux环境中只做-03 is...its -fpermissive。是那么回事吗?如果不是,那又如何呢?谢谢你的帮助
我正在尝试使用Sage,但是当我输入./sage时,我得到了很多类似这样的错误,带有奇怪的字符:
----------------------------------------------------------------------
| Sage Version 4.8, Release Date: 2012-01-20 |
| Type notebook() for the GUI, and license() for information. |
--------------------------------------
我想在Slitaz 5中运行一个需要python3和pyqt5的应用程序,我不是linux中的专家,而是能够编译和安装python3。现在,当我尝试运行应用程序时,它告诉我需要pyqt5。所以我:
sudo pip3 install PyQy5
但我得到
Could not find a version that satisifies the requirement PyQt5 (from versions: )
No matching distribution found for PyQt5
我怎么才能修好它?我应该从源代码编译qt5吗?那怎么做?
如何解决在Fedora上的make menuconfig中编译Linux时出现的以下错误:
$ make menuconfig
Makefile:323: /home/user/linux-3.12.6/scripts/Kbuild.include: No such file or directory
make: *** empty variable name. Stop.
当我尝试执行sudo opensnoop-bpfcc时,我得到这样的消息:
In file included from /virtual/main.c:4:
In file included from include/linux/sched.h:14:
In file included from include/linux/pid.h:5:
In file included from include/linux/rculist.h:11:
In file included from include/linux/rcupdate.h:40:
In file included from inclu
我从源代码编译并安装了Python3.6.1,并运行sudo pip3 install readline来安装readline模块。但是,当我启动Python时,无论输入什么内容,它都会崩溃:
Python 3.6.1 (default, Mar 25 2017, 13:40:56)
[GCC 5.4.0 20160609] on linux
Type "help", "copyright", "credits" or "license" for more information.
>>> print("
我使用repos在我的Ubuntu上安装了nginx服务器...
当我启动服务器时,我得到了这个错误:
starting nginx: /usr/sbin/nginx: /usr/local/lib/libxml2.so.2: no version information available (required by /usr/sbin/nginx)
/usr/sbin/nginx: /usr/local/lib/libxml2.so.2: no version information available (required by /usr/sbin/nginx)
/usr/sbin/
我需要在Rocky Linux 8中安装logtail / logcheck。我们有一个使用它的应用程序,我们正在将它从Centos 7迁移到Rocky 8。
百胜找不到。
[root@myserver ~]# yum provides logtail
Last metadata expiration check: 0:37:59 ago on Mon 15 Nov 2021 12:43:04 PM CET.
Error: No Matches found
[root@myserver ~]# yum repolist
repo id