id,summary,reporter,owner,description,type,status,priority,milestone,component,version,resolution,keywords,cc,cpu,platform 2959,"r.viewshed, r.terraflow and i.atcorr broken in 32/64bit builds",wenzeslaus,grass-dev@…,"`r.viewshed`, `r.terraflow` and `i.atcorr` are not working in the new MS Windows builds. These are C++ modules and does not work in 32bit and 64bit versions. The executable exists. The error message when running r.viewshed from the system terminal is shown in a dialog: {{{ The application was unable to start correctly (0xc000007b) }}} In relation to this message a [http://stackoverflow.com/questions/10492037/the-application-was-unable-to-start-correctly-0xc000007b StackOverflow posts] mentions `STATUS_INVALID_IMAGE_FORMAT` and 32-64 mismatch. The issues were partially already reported in the following: * [https://lists.osgeo.org/pipermail/grass-user/2016-February/073678.html Error running r.viewshed in GRASS 7.0.3 on Windows 7] * [http://gis.stackexchange.com/questions/179575/cannot-open-r-viewshed-on-grass-7 Cannot open r.viewshed on Grass 7] * [https://lists.osgeo.org/pipermail/grass-dev/2016-February/078842.html C++ and libLAS modules broken in 7.0.3 in winGRASS] * #2884 Applies to all variations: * GRASS version: 7.1.svn (r67915, 2016-01-22), 7.0.3 (r67691, 2016-01-28) * Build Platform: `x86_64-w64-mingw32` and `i386-w64-mingw32` * Platform: `Windows-7-6.1.7601-SP1 (OSGeo4W)` and standalone `Windows-8-6.2.9200`",defect,closed,blocker,7.0.4,Compiling,7.0.3,fixed,"c++, r.viewshed, r.terraflow, i.atcorr, mingw64, mingw",,All,MSWindows 8