Reference: Blitz++ build and test guide - GNU Project https://gcc.gnu.org/testing/testing-blitz.html *My GCC Path is:* C:\Program Files\mingw-w64\x86_64-7.2.0-win32-seh-rt_v5-rev1\mingw64\bin\x86_64-w64-mingw32-g++.exe *Configuration failed:* 1. $ ./configure configure: loading site script /etc/config.site checking build system type... Invalid configuration `i686-pc-msys': system `msys' not recognized configure: error: /bin/sh config/config.sub i686-pc-msys failed 2. $ ./configure --prefix=`pwd` --with-cxx=gcc configure: WARNING: unrecognized options: --with-cxx configure: loading site script /etc/config.site checking build system type... Invalid configuration `i686-pc-msys': system `msys' not recognized configure: error: /bin/sh config/config.sub i686-pc-msys failed 3. $ ./configure --prefix=`pwd` \ --with-cxx=”gcc:${ C:/Program Files/mingw-w64/x86_64-7.2.0-win32-seh-rt_v5-rev1/mingw64/bin/x86_64-w64-mingw32-g++.exe}” -bash: \ --with-cxx=”gcc:${ C:/Program Files/mingw-w64/x86_64-7.2.0-win32-seh-rt_v5-rev1/mingw64/bin/x86_64-w64-mingw32-g++.exe}”: bad substitution
