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[metaconfig.git] / U / modified / Options.U

diff --git a/U/modified/Options.U b/U/modified/Options.U
index 1f811b1..1103da2 100644 (file)
--- a/U/modified/Options.U
+++ b/U/modified/Options.U
@@ -1,12 +1,12 @@
-?RCS: $Id: Options.U,v 3.0.1.7 1997/02/28 15:08:15 ram Exp $
+?RCS: $Id: Options.U 1 2006-08-24 12:32:52Z rmanfredi $
 ?RCS:
-?RCS: Copyright (c) 1991-1993, Raphael Manfredi
-?RCS: 
-?RCS: You may redistribute only under the terms of the Artistic Licence,
+?RCS: Copyright (c) 1991-1997, 2004-2006, Raphael Manfredi
+?RCS:
+?RCS: You may redistribute only under the terms of the Artistic License,
 ?RCS: as specified in the README file that comes with the distribution.
 ?RCS: You may reuse parts of this distribution only within the terms of
-?RCS: that same Artistic Licence; a copy of which may be found at the root
-?RCS: of the source tree for dist 3.0.
+?RCS: that same Artistic License; a copy of which may be found at the root
+?RCS: of the source tree for dist 4.0.
 ?RCS:
 ?RCS: $Log: Options.U,v $
 ?RCS: Revision 3.0.1.7  1997/02/28  15:08:15  ram
@@ -23,7 +23,7 @@
 ?RCS: patch49: this unit now exports file optdef.sh, not a variable
 ?RCS:
 ?RCS: Revision 3.0.1.3  1995/01/11  15:19:00  ram
-?RCS: patch45: new -O option allowing -D and -U to override config.sh setttings
+?RCS: patch45: new -O option allowing -D and -U to override config.sh settings
 ?RCS: patch45: file optdef.sh is no longer removed after sourcing
 ?RCS:
 ?RCS: Revision 3.0.1.2  1994/10/29  15:58:06  ram
@@ -48,9 +48,9 @@
 ?V:reuseval alldone error realsilent silent extractsh fastread \
        override knowitall: config_sh
 ?T:arg argn symbol config_arg0 config_args config_argc xxx yyy zzz uuu
-?T:args_exp args_sep arg_exp libswanted
+?T:args_exp args_sep arg_exp ccflags
+?F:!Configure
 ?F:./optdef.sh ./cmdline.opt ./posthint.sh ./cmdl.opt
-
 : Save command line options in file UU/cmdline.opt for later use in
 : generating config.sh.
 ?X: This temporary file will be read by Oldsym.U.  I used a temporary
@@ -64,7 +64,7 @@
 ?X: I don't imagine anyone actually having to do that, I'm not going
 ?X: to worry too much.
 cat > cmdline.opt <<EOSH
-# Configure command line arguments.
+: Configure command line arguments.
 config_arg0='$0'
 config_args='$*'
 config_argc=$#
@@ -76,7 +76,7 @@ for arg in "$@"; do
        cat >>cmdline.opt <<EOSH
 config_arg$argn='$arg'
 EOSH
-       # Extreme backslashitis: replace each ' by '"'"'
+?X: Extreme backslashitis: replace each ' by '"'"'
        cat <<EOC | sed -e "s/'/'"'"'"'"'"'"'/g" > cmdl.opt
 $arg
 EOC
@@ -85,8 +85,8 @@ EOC
        argn=`expr $argn + 1`
        args_sep=' '
 done
-# args_exp is good for restarting self: eval "set X $args_exp"; shift; $0 "$@"
-# used by ./hints/os2.sh
+?X: args_exp is good for restarting self: eval "set X $args_exp"; shift; $0 "$@"
+?X: used by hints/os2.sh in Perl, for instance
 rm -f cmdl.opt
 
 : produce awk script to parse command line options
@@ -139,7 +139,7 @@ EOF
 : process the command line options
 ?X: Use "$@" to keep arguments with spaces in them from being split apart.
 ?X: For the same reason, awk will output quoted arguments and the final eval
-?X: removes them and sets a proper $* array. An 'X' is prependend to each
+?X: removes them and sets a proper $* array. An 'X' is prepended to each
 ?X: argument before being fed to echo to guard against 'echo -x', where -x
 ?X: would be understood as an echo option! It is removed before feeding awk.
 set X `for arg in "$@"; do echo "X$arg"; done |
@@ -237,7 +237,7 @@ while test $# -gt 0; do
                  case "$zzz" in
                  *:*) zzz='' ;;
                  *)   xxx=append
-                      zzz=" "`echo "$yyy"|sed 's!^[^=]*=!!'` 
+                      zzz=" "`echo "$yyy"|sed 's!^[^=]*=!!'`
                       yyy=`echo "$yyy"|sed 's!=.*!!'` ;;
                  esac
                  ;;
@@ -251,7 +251,7 @@ while test $# -gt 0; do
                  *)   xxx=`echo "$yyy"|sed 's!:.*!!'`
                       yyy=`echo "$yyy"|sed 's!^[^:]*:!!'` ;;
                  esac
-                 ;;       
+                 ;;
             esac
            case "$xxx" in
            append)
@@ -315,16 +315,17 @@ Usage: $me [-dehrsEKOSV] [-f config.sh] [-D symbol] [-D symbol=value]
          -U symbol=   symbol gets completely empty
        e.g.:  -Uversiononly
   -A : manipulate symbol after the platform specific hints have been applied:
-        -A symbol=value                append " "value to symbol
-        -A append:symbol=value         append value to symbol
-        -A define:symbol=value         define symbol to have value
-         -A clear:symbol               define symbol to be ''
-        -A define:symbol               define symbol to be 'define'
-        -A eval:symbol=value           define symbol to be eval of value
-        -A prepend:symbol=value        prepend value to symbol
-        -A undef:symbol                define symbol to be 'undef'
-        -A undef:symbol=               define symbol to be ''
+         -A append:symbol=value   append value to symbol
+         -A symbol=value          like append:, but with a separating space
+         -A define:symbol=value   define symbol to have value
+         -A clear:symbol          define symbol to be ''
+         -A define:symbol         define symbol to be 'define'
+         -A eval:symbol=value     define symbol to be eval of value
+         -A prepend:symbol=value  prepend value to symbol
+         -A undef:symbol          define symbol to be 'undef'
+         -A undef:symbol=         define symbol to be ''
        e.g.:  -A prepend:libswanted='cl pthread '
+              -A ccflags=-DSOME_MACRO
   -V : print version number and exit (with a zero status).
 EOM
        exit 1
@@ -369,5 +370,6 @@ esac
 touch optdef.sh
 . ./optdef.sh
 : create the posthint manipulation script and leave the file out there...
+?X: this file will be perused by Oldconfig.U
 touch posthint.sh