From: Thierry G. <thi...@li...> - 2005-07-28 13:08:43
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Keith MARSHALL wrote: >>Thank you very much everybody! >>It fits perfectly my needs for my configure.ac. >> >> > >If you are using this in an autoconf script, you might find my >actual autoconf macro even more useful; (I put it in aclocal.m4, >for each of my projects, so it gets distributed -- it could just >as well go in acsite.m4, for local only use): > ><macro name="MSYS_AC_CANONICAL_PATH"> ># MSYS_AC_CANONICAL_PATH( VAR, PATHNAME ) ># --------------------------------------- ># Set VAR to the canonically resolved absolute equivalent of PATHNAME, ># (which may be a relative path, and need not refer to any existing >entity). ># ># On Win32-MSYS build hosts, the returned path is resolved to its true ># native Win32 path name, (but with slashes, not backslashes). ># ># On any other system, it is simply the result which would be obtained ># if PATHNAME represented an existing directory, and the pwd command was ># executed in that directory. ># >AC_DEFUN([MSYS_AC_CANONICAL_PATH], >[ac_dir="$2" > pwd -W >/dev/null 2>&1 && ac_pwd_w="pwd -W" || ac_pwd_w=pwd > until ac_val=`exec 2>/dev/null; cd "$ac_dir" && $ac_pwd_w` > do > ac_dir=`AS_DIRNAME(["$ac_dir"])` > done > ac_dir=`echo "$ac_dir" | sed 's?^[[./]]*??'` > ac_val=`echo "$ac_val" | sed 's?/*$[]??'` > $1=`echo "$2" | sed "s?^[[./]]*$ac_dir/*?$ac_val/?"' > s?/*$[]??'` >]) ></macro> > >Again, take care of the quoting -- the SourceForge archive doesn't >show it correctly! > > - Backquotes are correct, as shown. > - All sed substitutions should be in SINGLE quotes, EXCEPT > for the first of the pair in the final sed command, which > MUST be in DOUBLE quotes; the archive replaces all single > quotes with double, which breaks the script. > - Other than these, DOUBLE quotes are correct. > >HTH. > >Keith. > > >------------------------------------------------------- >SF.Net email is Sponsored by the Better Software Conference & EXPO September >19-22, 2005 * San Francisco, CA * Development Lifecycle Practices >Agile & Plan-Driven Development * Managing Projects & Teams * Testing & QA >Security * Process Improvement & Measurement * http://www.sqe.com/bsce5sf >_______________________________________________ >Mingw-msys mailing list >Min...@li... >https://lists.sourceforge.net/lists/listinfo/mingw-msys > > Thank you again. I'm not very familiar with m4 macros. I'll read soon the m4 documentation :) Thierry -- Thierry Gourdin, AnimatLab Laboratoire d'Informatique de Paris 6 8, rue du capitaine Scott 75015 PARIS |