hi,
a new laptop and time to set up a new winGRASS build environment. 
some questions regarding the compiling guide in
https://trac.osgeo.org/grass/wiki/CompileOnWindows
(1)
regarding section: "Install the MSYS2 directory structure":
I guess that the msys is installed in e.g. C:\msys64
(2)
then in the next section "Compiling and Installing GRASS GIS":
Start MSYS2 terminal - mingw32_shell.bat (32bit) or mingw64_shell.bat
(64bit).
Am I right that the 2 lines
https://trac.osgeo.org/grass/browser/grass/trunk/mswindows/osgeo4w/package.sh#L43
export OSGEO4W_ROOT_MSYS="/c/OSGeo4W${OSGEO4W_POSTFIX}"
https://trac.osgeo.org/grass/browser/grass/trunk/mswindows/osgeo4w/package.sh#L44
export OSGEO4W_ROOT="C:\\\OSGeo4W${OSGEO4W_POSTFIX}"
should add the OSGeo4W environment to $PATH by
https://trac.osgeo.org/grass/browser/grass/trunk/mswindows/osgeo4w/package.sh#L46
export
PATH=/usr/bin:/mingw${MINGW_POSTFIX}/bin/:$OSGEO4W_ROOT_MSYS/bin:$PWD/mswindows/osgeo4w/lib
?
(3)
"Download GRASS source code"
where should svn checkout to be done?
C:\OSGeo4W64\usr\src
C:\msys64\usr\src
?
thanks
-----
best regards
Helmut
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