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How do I identify my CXX and C compilers?

it expects the full path to g++ / gcc

• clean your build folder
• run cmake-gui, it will open a box where you can fill in the compiler locations (complete path to g++ / gcc
• maybe better avoid rstudio for building opencv libs, and let cmake generate mingw makefiles instead

How do I identify my CXX and C compilers?

it expects the full path to g++ / gcc

• clean your build folder
• run cmake-gui, it will open a box where you can fill in the compiler locations (complete path to g++ / gcc
• maybe better avoid rstudio for building opencv libs, and let cmake generate mingw makefiles insteadinstead. (then run mingw32-make install from a cmdline)

How do I identify my CXX and C compilers?

it expects the full path to g++ / gccgcc tools40/usr/mingw_64/bin/g++.exe is only the last part of it

• clean your build folder
• run cmake-gui, it will open a box where you can fill in the compiler locations (complete path to g++ / gcc
• maybe better avoid rstudio for building opencv libs, and let cmake generate mingw makefiles instead. (then run mingw32-make install from a cmdline)

How do I identify my CXX and C compilers?

it expects the full path to g++ / gcc tools40/usr/mingw_64/bin/g++.exe is only the last part of it

• clean your build folder
• run cmake-gui, it will open a box where you can fill in the compiler locations (complete path to g++ / gccgcc)

• maybe better avoid rstudio for building opencv libs, and let cmake generate mingw makefiles instead.

  (then run mingw32-make install from a cmdline)