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# Thursday, November 04, 2004
GCC Visual Studio Integration

As I mentioned a few posts ago, I have a makefile project in MSVC++ 8 (2005) setup. Part of my solution builds with GCC on Linux, part on Windows with CSC. By using plink (command-line version of Putty), I'm able to ssh over to my Linux machine and build. The errors show up in the error list in VS2005. Except for one slight problem: Visual Studio does not read the error line information correctly, resulting in an error if I try to click and goto that line.

GCC outputs errors so: my.c:123: error: you suck. VS expects them as my.c(1) : error you suck. So, I decided to write a filter for the output. But, since it was around 2 AM, I decided to check and see if GCC supports out in the style that VS expects. As far as I can tell, it doesn't. But, I found a link to a page that has a program that accomplishes just this (GNU2MSDEV): http://www.xs4all.nl/~borkhuis/vxworks/vxw_pt1.html#1.13

Yey, I'm done, right? Well, not quite. GNU2MSDEV reads from stdin. GCC puts the errors on stderr. So, the parser only gets part of the output, missing the critical parts. Ouch. Now, since it's past my bedtime, I spent a while trying to figure out what was going on, thinking perhaps the program was broken. Got the source, uncommented some debugging stuff, and finally, I realised that I'd need to get stderr send over stdin, as the easiest course of action.

I'm not sure how you redirect stderr in the NT command shell. One page I read said this was impossible from the command line, and you need to use a different shell (they suggested running Linux), or write a program to do it for you. I decided to just add this to my linux commands. Now, my VS build command line looks like this:

plink -ssh -l myUser -pw myPassword "cd /usr/src/something;make clean; make install 2>&1;" | gnu2msdev

Presto. Now it works just perfectly, and I can double click the error list and go right to the file/line where the error is. Of course, now it's 3AM for some reason, and instead of writing some code to record phone calls, I'm instead going to go to sleep.

ast_mono | Code
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