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* configure.in: Use -Wold-style-definition if available.

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This helps with the transition to standard C code, it can be
removed when done.
This commit is contained in:
Dan Nicolaescu 2010-07-08 16:34:47 -07:00
parent 5842a27bbf
commit 45871610dd
3 changed files with 52 additions and 0 deletions
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4
ChangeLog
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@ -1,5 +1,9 @@
2010-07-08 Dan Nicolaescu <dann@ics.uci.edu>
* configure.in: Use -Wold-style-definition if available.
This helps with the transition to standard C code, it can be
removed when done.
* configure.in (PRE_EDIT_LDFLAGS, POST_EDIT_LDFLAGS): Remove.
* configure.in (UNEXEC_OBJ): Add comment about values for MSDOS

33
configure vendored
View file

@ -4830,6 +4830,39 @@ CFLAGS="$SAVE_CFLAGS"
unset has_option
unset SAVE_CFLAGS
### Use -Wold-style-definition if the compiler supports it
# This can be removed when conversion to standard C is finished.
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether gcc understands -Wold-style-definition" >&5
$as_echo_n "checking whether gcc understands -Wold-style-definition... " >&6; }
SAVE_CFLAGS="$CFLAGS"
CFLAGS="$CFLAGS -Wold-style-definition"
cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h. */
int
main ()
{
;
return 0;
}
_ACEOF
if ac_fn_c_try_compile "$LINENO"; then :
has_option=yes
else
has_option=no
fi
rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
if test $has_option = yes; then
C_WARNINGS_SWITCH="-Wold-style-definition $C_WARNINGS_SWITCH"
fi
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $has_option" >&5
$as_echo "$has_option" >&6; }
CFLAGS="$SAVE_CFLAGS"
unset has_option
unset SAVE_CFLAGS
#### Some other nice autoconf tests.
ac_ext=c

15
configure.in
View file

@ -757,6 +757,21 @@ CFLAGS="$SAVE_CFLAGS"
unset has_option
unset SAVE_CFLAGS
### Use -Wold-style-definition if the compiler supports it
# This can be removed when conversion to standard C is finished.
AC_MSG_CHECKING([whether gcc understands -Wold-style-definition])
SAVE_CFLAGS="$CFLAGS"
CFLAGS="$CFLAGS -Wold-style-definition"
AC_TRY_COMPILE([], [], has_option=yes, has_option=no,)
if test $has_option = yes; then
C_WARNINGS_SWITCH="-Wold-style-definition $C_WARNINGS_SWITCH"
fi
AC_MSG_RESULT($has_option)
CFLAGS="$SAVE_CFLAGS"
unset has_option
unset SAVE_CFLAGS
#### Some other nice autoconf tests.
dnl checks for programs