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configure: Add a check for broken 16-bit compile with Xcode 3.x.

This commit is contained in:
Alexandre Julliard 2009-06-23 13:04:49 +02:00
parent 27d8e22cbc
commit cc8eb6b775
2 changed files with 88 additions and 0 deletions
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71
configure vendored
View File

@ -7402,6 +7402,77 @@ done
CARBONLIB="-framework Carbon"
enable_winequartz_drv=${enable_winequartz_drv:-yes}
fi
if test "x$enable_win16" = "xyes"
then
{ $as_echo "$as_me:$LINENO: checking whether 16-bit code can be built correctly" >&5
$as_echo_n "checking whether 16-bit code can be built correctly... " >&6; }
if test "$cross_compiling" = yes; then
{ $as_echo "$as_me:$LINENO: result: cross-compiling, assuming yes" >&5
$as_echo "cross-compiling, assuming yes" >&6; }
else
cat >conftest.$ac_ext <<_ACEOF
/* confdefs.h. */
_ACEOF
cat confdefs.h >>conftest.$ac_ext
cat >>conftest.$ac_ext <<_ACEOF
/* end confdefs.h. */
asm(".text\n"
"bad:\tnop;nop\n"
"good:\tnop;nop\n\t"
".globl _testfunc\n"
"_testfunc:\tcallw good");
extern void testfunc();
int
main ()
{
unsigned short *p = (unsigned short *)testfunc;
return p[0] != 0xe866 || p[1] != 0xfffa
;
return 0;
}
_ACEOF
rm -f conftest$ac_exeext
if { (ac_try="$ac_link"
case "(($ac_try" in
*\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
*) ac_try_echo=$ac_try;;
esac
eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
$as_echo "$ac_try_echo") >&5
(eval "$ac_link") 2>&5
ac_status=$?
$as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
(exit $ac_status); } && { ac_try='./conftest$ac_exeext'
{ (case "(($ac_try" in
*\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
*) ac_try_echo=$ac_try;;
esac
eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
$as_echo "$ac_try_echo") >&5
(eval "$ac_try") 2>&5
ac_status=$?
$as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
(exit $ac_status); }; }; then
{ $as_echo "$as_me:$LINENO: result: yes" >&5
$as_echo "yes" >&6; }
else
$as_echo "$as_me: program exited with status $ac_status" >&5
$as_echo "$as_me: failed program was:" >&5
sed 's/^/| /' conftest.$ac_ext >&5
( exit $ac_status )
{ $as_echo "$as_me:$LINENO: result: no" >&5
$as_echo "no" >&6; }
{ { $as_echo "$as_me:$LINENO: error: Xcode 3.x cannot build 16-bit code correctly. Use --disable-win16 if you don't need 16-bit support." >&5
$as_echo "$as_me: error: Xcode 3.x cannot build 16-bit code correctly. Use --disable-win16 if you don't need 16-bit support." >&2;}
{ (exit 1); exit 1; }; }
fi
rm -rf conftest.dSYM
rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext conftest.$ac_objext conftest.$ac_ext
fi
fi
;;
*)

17
configure.ac
View File

@ -609,6 +609,23 @@ case $host_os in
AC_SUBST(CARBONLIB,"-framework Carbon")
enable_winequartz_drv=${enable_winequartz_drv:-yes}
fi
dnl Check for Xcode 3.x broken 16-bit support
if test "x$enable_win16" = "xyes"
then
AC_MSG_CHECKING([whether 16-bit code can be built correctly])
AC_RUN_IFELSE(AC_LANG_PROGRAM([[asm(".text\n"
"bad:\tnop;nop\n"
"good:\tnop;nop\n\t"
".globl _testfunc\n"
"_testfunc:\tcallw good");
extern void testfunc();]],
[[unsigned short *p = (unsigned short *)testfunc;
return p[[0]] != 0xe866 || p[[1]] != 0xfffa]]),
AC_MSG_RESULT(yes),
[AC_MSG_RESULT(no)
AC_MSG_ERROR([Xcode 3.x cannot build 16-bit code correctly. Use --disable-win16 if you don't need 16-bit support.])],
AC_MSG_RESULT([[cross-compiling, assuming yes]]))
fi
;;
*)
DLLFLAGS="$DLLFLAGS -fPIC"