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Re: [Ping] Port of VTV for Cygwin and MinGW
- From: Jakub Jelinek <jakub at redhat dot com>
- To: "H.J. Lu" <hjl dot tools at gmail dot com>
- Cc: Matthias Klose <doko at ubuntu dot com>, Caroline Tice <cmtice at google dot com>, Patrick Wollgast <patrick dot wollgast at rub dot de>, Kai Tietz <ktietz70 at googlemail dot com>, Benjamin De Kosnik <bkoz at gnu dot org>, "jwakely at redhat dot com >> Jonathan Wakely" <jwakely at redhat dot com>, gcc-patches <gcc-patches at gcc dot gnu dot org>, "libstdc++ at gcc dot gnu dot org" <libstdc++ at gcc dot gnu dot org>
- Date: Thu, 29 Jan 2015 19:30:05 +0100
- Subject: Re: [Ping] Port of VTV for Cygwin and MinGW
- Authentication-results: sourceware.org; auth=none
- References: <CAKOQZ8wCM4+0guCsqzeFZjgUu-Y81NX9RbGhV-i7xz8_OVuMyQ at mail dot gmail dot com> <54B83638 dot 7080509 at rub dot de> <54C8C89C dot 1000104 at rub dot de> <CABtf2+R2kY+tv7Wk+rtnU6s55RbMmSgejqeWn11rqb7PHA-COA at mail dot gmail dot com> <54CA737A dot 5060102 at ubuntu dot com> <54CA767F dot 9040102 at ubuntu dot com> <CAMe9rOohc7imtMstqRBJCnbUsms9DNDgYO=GcYmjao9b0c9Szg at mail dot gmail dot com> <54CA78F1 dot 1020204 at ubuntu dot com> <20150129182641 dot GP1746 at tucnak dot redhat dot com> <CAMe9rOrAGT7pq9v-NfJbfEKmPOk7Jv01yAHdpTfwWbM4cxu6ug at mail dot gmail dot com>
- Reply-to: Jakub Jelinek <jakub at redhat dot com>
On Thu, Jan 29, 2015 at 10:28:17AM -0800, H.J. Lu wrote:
> >> --- acinclude.m4 (revision 220257)
> >> +++ acinclude.m4 (working copy)
> >> @@ -2320,8 +2320,6 @@
> >> AC_MSG_CHECKING([for vtable verify support])
> >> AC_MSG_RESULT([$enable_vtable_verify])
> >>
> >> - AM_CONDITIONAL(VTV_CYGMIN, test $vtv_cygmin = yes)
> >> -
> >> if test $enable_vtable_verify = yes; then
> >> case ${target_os} in
> >> cygwin*|mingw32*)
> >> @@ -2341,6 +2339,8 @@
> >> VTV_CXXLINKFLAGS=
> >> fi
> >>
> >> + AM_CONDITIONAL(VTV_CYGMIN, test $vtv_cygmin = yes)
> >> +
> >
>
> Or we can just do
>
> AM_CONDITIONAL(VTV_CYGMIN, test x$vtv_cygmin = xyes)
Or that, but that is not what you've checked in.
Some shells will be upset about test $vtv_cygmin = yes when
$vtv_cygmin expands to empty string.
Jakub