最近我升级到gcc-4.9,但它完全破坏了我的clang++,我无法编译任何东西。我正在收到的错误:
In file included from src/tester.cpp:11:
In file included from /usr/include/boost/progress.hpp:22:
In file included from /usr/include/boost/timer.hpp:20:
In file included from /usr/include/boost/config.hpp:40:
In file included from /usr/include/boos
我正在尝试构建一个简单的程序来测试外部库的使用,但在将它与g++连接时遇到了困难。见命令/结果:
user@user-Nuvo-2510VTC:~/Desktop/WDT_DIO/linux/test$ g++ -o main main.o -lwdt_dio
/usr/lib/gcc/x86_64-linux-gnu/5/../../../../lib/libwdt_dio.so: undefined reference to `sem_unlink'
/usr/lib/gcc/x86_64-linux-gnu/5/../../../../lib/libwdt_dio.so: und
我已经从下载了gcc-4.1.2,并使用两个命令构建
./configure
make
现在我可以看到g++二进制文件了。但并不存在gcc二进制。
$ ls /opt/gcc-4.1.2/host-x86_64-unknown-linux-gnu/gcc/g++
/opt/gcc-4.1.2/host-x86_64-unknown-linux-gnu/gcc/g++
$ ls /opt/gcc-4.1.2/host-x86_64-unknown-linux-gnu/gcc/gcc
ls: cannot access /opt/gcc-4.1.2/host-x86_64-unknown-lin
在我的建筑机器里,我遇到了一些关于ELF32 32/ELF32 64格式的奇怪问题。应用程序和内核模块都不能工作。
用于应用程序(如helloworld程序),它可以构建为ELF64,但运行失败。
对于内核模块,即使将-march=x86-64附加到CFLGAS,也总是以ELF32格式构建,这将导致在不屏蔽时出现Module has invalid ELF structures问题。
如果附加-m64,则会导致cc1: error: CPU you selected does not support x86-64 instruction set
我想当第一个问题解决的时候,下一个问题也会被解决
我在安装gcc时遇到问题。根据下面的信息,我做错了什么?
在我没有超级用户访问权限的Linux计算机上的$HOME/gcc上,我运行以下命令:
$ wget http://mirrors.concertpass.com/gcc/releases/gcc-7.3.0/gcc-7.3.0.tar.gz
$ tar xvf gcc-7.3.0.tar.gz
$ cd gcc-7.3.0
$ ./contrib/download_prerequisites
gmp-6.1.0.tar.bz2: OK
mpfr-3.1.4.tar.bz2: OK
mpc-1.0.3.tar.gz: OK
isl-0.
我正在编写Michael Hartl的ruby on rails教程。
我安装了Git,将我的操作系统更新到10.8.2,并下载了XCode 4.5.2。
rvm install 1.9.3
Ruby (and needed base gems) for your selection will be installed shortly.
Before it happens, please read and execute the instructions below.
Please use a separate terminal to execute any additional comm
在macOS Mojave 10.14.6 (18G7016)上,gcc再也找不到文件_ctermid.h了
In file included from /Library/Developer/CommandLineTools/SDKs/MacOSX.sdk/usr/include/wchar.h:90,
from /usr/local/Cellar/gcc/10.2.0_2/include/c++/10.2.0/cwchar:44,
from /usr/local/Cellar/gcc/10.2.0_2/include/c++