On Thursday 31 May 2007, Jonathan Underwood wrote:
> So how do we feel about
>
> emacs --no-site-file --version | head -n1 | awk '{print $3}'
>
> and
>
> xemacs --no-site-file --version | head -n1 | awk '{print $2}'
>
> (not guaranteed that it will work in future emacs versions which may
> change their formatting of --version info.)
Bad, as explained before. Instead, how about adding some pkgconfig files
which are generated during build and thus we have complete control over their
contents? Eg. the attached one to xemacs-devel:
$ pkg-config xemacs --modversion
21.5.28
$ pkg-config xemacs --variable=sitestartdir
/usr/share/xemacs/site-packages/lisp/site-start.d
$ pkg-config xemacs --variable=sitepkglispdir
/usr/share/xemacs/site-packages/lisp
$ pkg-config xemacs --variable=sitemoduledir
/usr/lib64/xemacs/site-modules
$ pkg-config xemacs --cflags
-I/usr/lib64/xemacs-21.5-b28/x86_64-redhat-linux/include
prefix=/usr
includedir=/usr/lib64/xemacs-21.5-b28/x86_64-redhat-linux/include
sitestartdir=/usr/share/xemacs/site-packages/lisp/site-start.d
sitepkglispdir=/usr/share/xemacs/site-packages/lisp
sitemoduledir=/usr/lib64/xemacs/site-modules
Name: xemacs
Description: Different version of Emacs
Version: 21.5.28
Cflags: -I${includedir}
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