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optimise signames.inc output (shrinks binary size)

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tg
2006-08-12 19:38:44 +00:00
parent e7fab65d5b
commit 0eb31f6a82
1 changed files with 19 additions and 5 deletions
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24
Build.sh
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@@ -1,5 +1,5 @@
#!/bin/sh #!/bin/sh
# $MirOS: src/bin/mksh/Build.sh,v 1.42 2006/08/12 19:26:20 tg Exp $ # $MirOS: src/bin/mksh/Build.sh,v 1.43 2006/08/12 19:38:44 tg Exp $
#- #-
# This script recognises CC, CFLAGS, CPPFLAGS, LDFLAGS, LIBS and NROFF. # This script recognises CC, CFLAGS, CPPFLAGS, LDFLAGS, LIBS and NROFF.
@@ -79,14 +79,28 @@ SunOS)
;; ;;
esac esac
(echo '#include <signal.h>' | $CC $CPPFLAGS -E -dD - \ sigseen=:; $e Generating list of signal names
NSIG=`( echo '#include <signal.h>'; echo "__mksh_test: NSIG" ) \
| $CC $CPPFLAGS -E - | grep __mksh_test: | sed 's/^__mksh_test: //'`
NSIG=`printf %d "$NSIG"`
echo '#include <signal.h>' | $CC $CPPFLAGS -E -dD - \
| grep '[ ]SIG[A-Z0-9]*[ ]' \ | grep '[ ]SIG[A-Z0-9]*[ ]' \
| sed 's/^\(.*[ ]SIG\)\([A-Z0-9]*\)\([ ].*\)$/\2/' \ | sed 's/^\(.*[ ]SIG\)\([A-Z0-9]*\)\([ ].*\)$/\2/' \
| while read name; do | while read name; do
( echo '#include <signal.h>'; echo "__mksh_test: SIG$name" ) \ ( echo '#include <signal.h>'; echo "__mksh_test: SIG$name" ) \
| $CC $CPPFLAGS -E - | fgrep __mksh_test: | sed \ | $CC $CPPFLAGS -E - | grep __mksh_test: | sed \
's/^__mksh_test: \([0-9]*\).*$/ { \1, "'$name'" },/' 's/^__mksh_test: \([0-9]*\).*$/\1:'$name/
done | fgrep -v '{ ,' >signames.inc) || exit 1 done | grep -v '^:' | while IFS=: read number name; do
nr=`printf %d "$number"`
test $nr -gt 0 -a $nr -lt $NSIG || continue
case $sigseen in
*:$nr:*) ;;
*) echo " { $nr, \"$name\" },"
sigseen=$sigseen$nr:
;;
esac
done >signames.inc
test -s signames.inc || exit 1
(v "cd '$srcdir' && exec $CC $CFLAGS -I'$curdir' $CPPFLAGS" \ (v "cd '$srcdir' && exec $CC $CFLAGS -I'$curdir' $CPPFLAGS" \
"$LDFLAGS $LDSTATIC -o '$curdir/mksh' $SRCS $LIBS") || exit 1 "$LDFLAGS $LDSTATIC -o '$curdir/mksh' $SRCS $LIBS") || exit 1
test -x mksh || exit 1 test -x mksh || exit 1