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work around “a fucking bug in the fuckin' optimiser” (hi Александр)

This commit is contained in:
tg 2007-06-04 20:00:50 +00:00
parent 5d6b21fda2
commit f104e7c9f9
1 changed files with 24 additions and 6 deletions
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30
Build.sh
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@ -1,5 +1,5 @@
#!/bin/sh #!/bin/sh
# $MirOS: src/bin/mksh/Build.sh,v 1.189 2007/06/03 17:29:29 tg Exp $ # $MirOS: src/bin/mksh/Build.sh,v 1.190 2007/06/04 20:00:50 tg Exp $
#- #-
# Environment used: CC CFLAGS CPP CPPFLAGS LDFLAGS LIBS NOWARN NROFF TARGET_OS # Environment used: CC CFLAGS CPP CPPFLAGS LDFLAGS LIBS NOWARN NROFF TARGET_OS
# CPPFLAGS recognised: MKSH_SMALL MKSH_ASSUME_UTF8 MKSH_NEED_MKNOD MKSH_NOPWNAM # CPPFLAGS recognised: MKSH_SMALL MKSH_ASSUME_UTF8 MKSH_NEED_MKNOD MKSH_NOPWNAM
@ -120,9 +120,15 @@ ac_test()
eval CPPFLAGS=\"\$CPPFLAGS -DHAVE_$fu=\$HAVE_$fu\" eval CPPFLAGS=\"\$CPPFLAGS -DHAVE_$fu=\$HAVE_$fu\"
} }
# ac_flags add varname flags [text] # ac_flags [-] add varname flags [text]
ac_flags() ac_flags()
{ {
if test x"$1" = x"-"; then
shift
hf=1
else
hf=0
fi
fa=$1 fa=$1
vn=$2 vn=$2
f=$3 f=$3
@ -130,9 +136,13 @@ ac_flags()
test x"$ft" = x"" && ft="if $f can be used" test x"$ft" = x"" && ft="if $f can be used"
save_CFLAGS=$CFLAGS save_CFLAGS=$CFLAGS
CFLAGS="$CFLAGS $f" CFLAGS="$CFLAGS $f"
ac_testn can_$vn '' "$ft" <<-'EOF' if test $hf = 1; then
int main(void) { return (0); } ac_testn can_$vn '' "$ft"
EOF else
ac_testn can_$vn '' "$ft" <<-'EOF'
int main(void) { return (0); }
EOF
fi
eval fv=\$HAVE_CAN_`upper $vn` eval fv=\$HAVE_CAN_`upper $vn`
test 11 = $fa$fv || CFLAGS=$save_CFLAGS test 11 = $fa$fv || CFLAGS=$save_CFLAGS
} }
@ -361,7 +371,15 @@ NOWARN=$save_NOWARN
# #
i=`echo :"$CFLAGS" | sed 's/^://' | tr -c -d $alll$allu$alln-` i=`echo :"$CFLAGS" | sed 's/^://' | tr -c -d $alll$allu$alln-`
if test $ct = sunpro; then if test $ct = sunpro; then
test x"$i" = x"" && ac_flags 1 otwo "-xO2" test x"$i" = x"" && (
cat <<-'EOF'
int main(void) { return (0); }
#define __IDSTRING_CONCAT(l,p) __LINTED__ ## l ## _ ## p
#define __IDSTRING_EXPAND(l,p) __IDSTRING_CONCAT(l,p)
#define pad void __IDSTRING_EXPAND(__LINE__,x)(void) { }
EOF
yes pad | head -n 256
) | ac_flags - 1 otwo "-xO2"
else else
test x"$i" = x"" && ac_flags 1 otwo "-O2" test x"$i" = x"" && ac_flags 1 otwo "-O2"
fi fi