Macro: ac_subdir_files

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# ac_subdir_files

## Synopsis

`AC_SUBDIR_FILES [(SUBDIRS [, CASEPATTERN])]`

## Version

1.1.1.1 (2001/07/26) guidod @ ac-archive-0.5.32

## Author

Guido Draheim <guidod@gmx.de> STATUS: one time use

## Description

look into subdirs and copy the (real) files that match pattern into the local directory. Preferably we use a symbolic link of course. existing local files are not overwritten.

the default casepattern is "*.?|*.cc|*.cpp" the default subdir-list contains all subdirs available

(requires AC_PROG_CP_S)

## M4 Source Code

    AC_DEFUN(AC_SUBDIR_FILES,
    [AC_BEFORE($0,[AC_CP_S])
      for ac_subdir in ifelse([$1], , *, $1) ; do
        if test -d $ac_subdir ; then
          AC_MSG_CHECKING(subdir $ac_subdir)
          for ac_file in $ac_subdir/* ; do
    	if test -f $ac_file ; then
    	  if test ! -e `basename $ac_file` ; then
    	    case `basename $ac_file` in
    	      ifelse([$2], , *.?|*.cc|*.cpp,[$1]))
    		AC_ECHO_N($ac_file,) ;
                    $CP_S $ac_file . ;;
                esac
              fi
            fi
          done
          AC_MSG_RESULT(;)
        fi
      done
    ])