Re: PATCH: the transform saga, directories

["Bart Schaefer" <schaefer@xxxxxxxxxxxxxxxxxxxxxxx>]

On Dec 6, 11:31am, Clint Adams wrote:
} Subject: PATCH: the transform saga, directories
}
} This unfortunately brings back my make hack in order to
} transform fndir and MODDIR.

This still doesn't really work.  The reason that you need the "make -f"
hack is because ${program_transform_name} has been processed so that
@program_tranform_name@ can appear in Makefiles even if part of the
transform introduces a $ or backslash into the name.  You're processing
that away by passing the string through make, and then not putting it
back again.

Here's some aczsh.m4 code that reverses and re-applies the autoconf sed
that's done on $program_transform_name.

We could at this point simplify {Src,Doc}/Makefile.in again to use @tzsh@
in a few (though not all) places, but I haven't done that here.

Index: aczsh.m4
===================================================================
@@ -595,3 +595,28 @@
   AC_DEFINE(HAVE_[]translit($2_$3, [ a-z], [_A-Z]))
 fi
 ])
+
+dnl
+dnl zsh_ARG_PROGRAM
+dnl   Handle AC_ARG_PROGRAM substitutions into other zsh configure macros.
+dnl   After processing this macro, the configure script may refer to
+dnl   and $tzsh_name, and @tzsh@ is defined for make substitutions.
+dnl
+
+AC_DEFUN(zsh_ARG_PROGRAM,
+[AC_ARG_PROGRAM
+# Un-double any \ or $ (doubled by AC_ARG_PROGRAM).
+cat <<\EOF_SED > conftestsed
+s,\\\\,\\,g; s,\$\$,$,g
+EOF_SED
+zsh_transform_name=`echo "${program_transform_name}" | sed -f conftestsed`
+rm -f conftestsed
+tzsh_name=`echo zsh | sed -e "${zsh_transform_name}"`
+# Double any \ or $ in the transformed name that results.
+cat <<\EOF_SED >> conftestsed
+s,\\,\\\\,g; s,\$,$$,g
+EOF_SED
+tzsh=`echo ${tzsh_name} | sed -f conftestsed`
+rm -f conftestsed
+AC_SUBST(tzsh)dnl
+])
Index: configure.in
===================================================================
@@ -46,17 +46,8 @@
 dnl CHECKING COMMAND LINE OPTIONS
 dnl -----------------------------
 dnl Handle --program-prefix, --program-suffix, etc.
-AC_ARG_PROGRAM
+zsh_ARG_PROGRAM
 
-u_ptn=`make -s -f - <<EOF
-all:
-	@echo ${program_transform_name}
-EOF
-`
-tzsh=`echo zsh | sed -e "${u_ptn}"`
-
-AC_SUBST(tzsh)dnl
-
 dnl Do you want to debug zsh?
 undefine([zsh-debug])dnl
 AC_ARG_ENABLE(zsh-debug,
@@ -223,10 +214,10 @@
 AC_ARG_ENABLE(fndir,
 [  --enable-fndir=DIR         where functions go (default DATADIR/zsh/functions)],
 [if test $enableval = yes; then
-  fndir=${datadir}/${tzsh}/functions
+  fndir=${datadir}/${tzsh_name}/functions
 else
   fndir="$enableval"
-fi], [fndir=${datadir}/${tzsh}/functions])
+fi], [fndir=${datadir}/${tzsh_name}/functions])
 
 undefine([function_subdirs])
 AC_ARG_ENABLE(function-subdirs,


-- 
Bart Schaefer                                 Brass Lantern Enterprises
http://www.well.com/user/barts              http://www.brasslantern.com