Dear David, great! it worked I just copied exe and dll from : "C:\msys32\mingw32\libexec\gcc\mingw32\4.9.2\cc1.exe"...
Solved the problem thanks to David Billinghurst's help: There are some brief notes...
here is the version info: wxMaxima version: 14.9.0 Maxima version: 5.34.1 Maxima...
here is the full build environment I forgot to insert above: https://www.dropbox...
Maxima 5.34.1 compilation for windows
I will open a new ticket for the problems...
I think windows cannot cope with .. in /unixport/../h compile(f) gives: Compiling...
But the build problem seems to be related with this error massage during make. Which...