From 1bcdf538bead59ef4d0d6c9a47b7bc5153a21667 Mon Sep 17 00:00:00 2001
From: Rob Landley <rob@landley.net>
Date: Sat, 14 Apr 2012 22:31:53 -0500
Subject: Teach make.sh to create flag macros, but with the wrong names. Dunno
 how to make a translation macro or #ifdef guard to get the names right so
 they actually be _used_ yet...

---
 scripts/make.sh | 20 +++++++++++++++++++-
 1 file changed, 19 insertions(+), 1 deletion(-)

(limited to 'scripts/make.sh')

diff --git a/scripts/make.sh b/scripts/make.sh
index f5bf0fdb..52380ecf 100755
--- a/scripts/make.sh
+++ b/scripts/make.sh
@@ -25,7 +25,7 @@ echo "NEWTOY(toybox, NULL, 0)" > generated/newtoys.h
 newtoys | sed 's/\(.*TOY(\)\([^,]*\),\(.*\)/\2 \1\2,\3/' | sort -k 1,1 \
 	| sed 's/[^ ]* //'  >> generated/newtoys.h
 
-# Extract global structure definitions from toys/*.c
+# Extract global structure definitions and flag definitions from toys/*.c
 
 function getglobals()
 {
@@ -37,6 +37,24 @@ function getglobals()
     sed -n -e '/^DEFINE_GLOBALS(/,/^)/b got;b;:got' \
         -e 's/^DEFINE_GLOBALS(/struct '"$NAME"'_data {/' \
         -e 's/^)/};/' -e 'p' $i
+
+    # And get flag definitions
+    FLAGS="$(sed -n \
+                 -e "s/.*TOY($NAME"',[ \t]*"\([^"]*\)"[ \t]*,.*)/\1/' \
+                 -e 't keep;d;:keep' \
+                 -e 's/[><=][0-9][0-9]*//g' \
+                 -e 's/+.//g' \
+                 -e 's/([^)]*)//g' \
+                 -e 's/[-?^:&#|@*]//g' \
+                 -e 'p' \
+                 generated/newtoys.h)"
+    X=0
+    while [ $X -lt ${#FLAGS} ]
+    do
+      echo -ne "#define OPTFLAG_${NAME}_${FLAGS:$X:1}\t"
+      X=$(($X+1))
+      echo "(1<<$((${#FLAGS}-$X)))"
+    done
   done
 }
 
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