在windows配置 cygwin 和 gcc

Posted 2022-12-04 _iorilan

1. install cygwin 
https://www.cygwin.com/

2.copy the setup.exe under cygwin64 folder and run

C:\\cygwin64>setup-x86_64.exe -q -P wget -P gcc-g++ -P make -P diffutils -P libmpfr-devel -P libgmp-devel -P libmpc-devel

3.

wget http://ftpmirror.gnu.org/gcc/gcc-4.9.2/gcc-4.9.2.tar.gz

4.

tar xf gcc-4.9.2.tar.gz

5.

mkdir build-gcc
cd build-gcc
../gcc-4.9.2/configure --program-suffix=-4.9.2 --enable-languages=c,c++ --disable-bootstrap --disable-shared

6.

make -j4

7.

make install
cd ..8. test.cpp

#include <iostream>

int main()

    auto lambda = [](auto x) return x; ;
    std::cout << lambda("Hello generic lambda!\\n");
    return 0;

9.

g++ --version
g++ -std=c++1y test.cpp
g++-4.9.2 -std=c++14 test.cpp
./a.exe