JehanneOS/mksh
1
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

we don't need to check for -fno-tree-vrp any longer either

Browse Source
This commit is contained in:
tg 2007-06-03 17:29:29 +00:00
parent ffa0764e19
commit c55dcc364b
1 changed files with 1 additions and 40 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

41
Build.sh
View File

@ -1,5 +1,5 @@
#!/bin/sh
# $MirOS: src/bin/mksh/Build.sh,v 1.188 2007/05/31 21:25:25 tg Exp $
# $MirOS: src/bin/mksh/Build.sh,v 1.189 2007/06/03 17:29:29 tg Exp $
#-
# Environment used: CC CFLAGS CPP CPPFLAGS LDFLAGS LIBS NOWARN NROFF TARGET_OS
# CPPFLAGS recognised: MKSH_SMALL MKSH_ASSUME_UTF8 MKSH_NEED_MKNOD MKSH_NOPWNAM
@ -366,47 +366,8 @@ else
test x"$i" = x"" && ac_flags 1 otwo "-O2"
fi
if test $ct = gcc; then
ac_flags 0 fnotreevrp "-fno-tree-vrp"
if test 1 = $HAVE_CAN_FNOTREEVRP; then
tcbo=1
ac_testn need_fnotreevrp '' "if to use it to prevent a gcc bug" <<-'EOF'
typedef unsigned size_t;
char *strncpy(char *, const char *, size_t);
char *
strncpy(char *d, const char *s, size_t n)
{
if (!d || !s) {
if (d)
*d = n;
return (d);
}
return (*d = 1, d);
}
int
main(void)
{
char a[] = "t";
strncpy(a, (void *)0, 2);
return (*a);
}
EOF
tcbo=
if test -f $tcfn; then
./$tcfn >/dev/null 2>&1
rv=$?
rs=no
else
rv=0
rs="yes (assumed; cannot run ./$tcfn)"
fi
test 1 = $rv && rs=yes
test 2 = $rv || CFLAGS="$CFLAGS -fno-tree-vrp"
$e "$bi==> $fd...$ao ${ui}$rs$ao"
rm -f scn.c $tcfn
fi
ac_flags 1 fnostrictaliasing "-fno-strict-aliasing"
ac_flags 1 fstackprotectorall "-fstack-protector-all"
#ac_flags 1 fwholepgm "-fwhole-program --combine"
ac_flags 1 fwrapv "-fwrapv"
# I'd use -std=c99 but this wrecks havoc on glibc and cygwin based
# systems (at least) because their system headers are so broken...