The problem probably is not with your windows setting for cygwin. You cannot compile texmacs from source without an acceptable C compiler in cygwin. Perhaps you should fix that problem first. 
 
Try installing gcc as shown in this web page: 
http://www.eecg.utoronto.ca/~aamodt/ece242/cygwin.html 
 
Best 
 
address@hidden wrote: 
> > > Thank you Kadga and Alfe. 
> > Installing gcc seems to be difficult. So before i do it i have to tell > you something. When i have installed cygwin (following > http://www.texmacs.org/tmweb/download/cygwin.en.html) i didn't execute > the operation #5 below 
> > 5. Put c:\cygwin at the start of the PATH environment variable and > 127.0.0.1:0.0 for DISPLAY in the menu *Start->Control > Panel->System->Advanced->Environment variables*. 
> > Actually i don't know what it means... It may be the cause of my > compilation problem... I work in french, so i am not sure what > "Control Panel" is. I don't find "System"... 
> > I used to work with WinTeXmacs but i wanted to install the "cygwin > TeXmacs" in my new computer to have the recent version of TeXmacs... > It seems to be difficult... If #5 does not have to see with my gcc > problem i will try to install gcc (even if i am quite afraid with it)... 
> > Thank you 
> > Richard 
> checking for gcc... no > checking for cc... no > checking for cl.exe... no > configure: error: in 'cygdrive/c/tmp/TeXmacs-1.0.7-src' : > configure: error: no acceptable C compiler found in $PATH > 
> 
> 
> -----E-mail d'origine----- 
> De : Alfe <address@hidden> 
> A : address@hidden 
> Envoyé le : Mercredi, 14 Avril 2010 23:00 
> Sujet : Re: [TeXmacs] Problem with my new installation 
> 
> Hi Richard, > > TeXmacs is made for Unix-like systems; therefore, to get it running on > Windows systems, we have to install cygwin which is a kind of a > Unix-Emulation for Windows. This is the reason why the error messages > you get are not typical Windows-style but rather Unix style. In detail: > > > address@hidden <mailto:address@hidden> wrote: > >> I have just installed cygwin. And it seems to work. > >> Then i have loaded TeXmacs-1.0.7-src from the GNU Website. I saved > it in > >> cygdrive/c/tmp/ > >> >> The operation > >> >> tar -zxvf TeXmacs-1.0;7-src.tar.gz > >> >> worked : it made a lot of files (flooding the cygwin window). > >> >> Then i type > >> >> cd TeXmacs-1.0.7-src > >> >> and it works : we are now in cygdrive/c/tmp/TeXmacs-1.0.7-src, > and i >> type > >> >> ./configure > > ./configure tries to prepare the build scripts to the helpers you have > installed. Several helpers are needed to build TeXmacs, most > prominently a compiler, but it does not have to be one specific; it > can be one of several. The ./configure tries to find out which helpers > are installed and prepares the build scripts so that they will deal > with the installed helpers. > > >> and here is the result : > >> << > >> checking build system type... i686-pc-cygwin > >> checking host system type... i686-pc-cygwin > > Just informational output: Your system is a "Unix" of type > i686-pc-cygwin ;-) > > >> checking for gcc... no > >> checking for cc... no > >> checking for cl.exe... no > >> configure: error: in 'cygdrive/c/tmp/TeXmacs-1.0.7-src' : > >> configure: error: no acceptable C compiler found in $PATH > > No such helper found (in this case the C compiler): This is a reason > for ./configure to abort. The mentioned $PATH is what Windows users > call %PATH%; this is a list of directories in which executables are > searched for by the system. In the cygwin window you can type 'echo > $PATH' to find out what yours is set to (but this won't help you). > > But anyway, in none of these directories is a compiler ./configure can > handle, so as > Khadga Karki wrote: > > Try installing gcc first. > > Do that. Try ./configure again then. See what helper is missing next. > Come back here if you have no clue ;-) Good luck. > > Alfe >