Re: [ptxdist] [PATCH] configure/Makefile: Check for touch --no-dereference support

[Jon Ringle <jon@ringle.org>]

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ping again... is this solution to hackish?

On Tue, Oct 21, 2014 at 8:43 AM, Jon Ringle <jon@ringle.org> wrote:

> ping...
>
> On Tue, Oct 14, 2014 at 5:28 PM,  <jon@ringle.org> wrote:
> > From: Jon Ringle <jringle@gridpoint.com>
> >
> > Install a wrapper touch that will strip --no-dereference from the args
> > if the host installed touch does not support it
> >
> > Signed-off-by: Jon Ringle <jringle@gridpoint.com>
> > ---
> >  Makefile.in  | 14 ++++++++++++++
> >  configure.ac |  8 ++++++++
> >  2 files changed, 22 insertions(+)
> >
> > diff --git a/Makefile.in b/Makefile.in
> > index 64dc808..5787699 100644
> > --- a/Makefile.in
> > +++ b/Makefile.in
> > @@ -39,6 +39,18 @@ kconfig:
> >                 conf mconf $(NCONF)
> >         @echo "done."
> >
> > +define touch_wrapper
> > +#!/bin/bash
> > +
> > +declare -a args
> > +args=($${@})
> > +
> > +[ -n "@TOUCH_NO_DEREFERENCE@" ] || args=($${@//--no-dereference/})
> > +
> > +@GNU_touch@ $${args[*]}
> > +endef
> > +export touch_wrapper
> > +
> >  environment:
> >         @echo -n "preparing PTXdist environment ..."
> >         @ln -sf @AWK@ "$(abs_srcdir)/bin/awk"
> > @@ -69,6 +81,8 @@ environment:
> >         @ln -sf @BASH@  "$(abs_srcdir)/bin/bash"
> >         @ln -sf @SYSCTL@ "$(abs_srcdir)/bin/sysctl"
> >         @ln -sf @MAKE@ "$(abs_srcdir)/bin/make"
> > +       @echo "$$touch_wrapper" > "$(abs_srcdir)/bin/touch"
> > +       @chmod +x "$(abs_srcdir)/bin/touch"
> >         @echo " done"
> >
> >  clean:
> > diff --git a/configure.ac b/configure.ac
> > index 22c8df0..5fed6c9 100644
> > --- a/configure.ac
> > +++ b/configure.ac
> > @@ -158,6 +158,7 @@ GNU_TOOL(sort, coreutils)
> >  GNU_TOOL(cat, coreutils)
> >  GNU_TOOL(tty, coreutils)
> >  GNU_TOOL(readlink, coreutils)
> > +GNU_TOOL(touch, coreutils)
> >  GNU_TOOL(tar, tar)
> >  GNU_TOOL(find, findutils)
> >  GNU_TOOL(xargs, findutils)
> > @@ -278,6 +279,13 @@ if test -z "$MSGFMT"; then
> >         AC_MSG_ERROR([gettext could not be found, please install])
> >  fi
> >
> > +dnl Check for touch --no-dereference support
> > +AC_CACHE_CHECK([for touch that supports --no-dereference],
> [ac_cv_path_TOUCH_NO_DEREFERENCE],
> > +                  [AC_PATH_PROGS_FEATURE_CHECK([TOUCH_NO_DEREFERENCE],
> [touch],
> > +                    [[$ac_path_TOUCH_NO_DEREFERENCE --no-dereference
> /dev/null 2> /dev/null && \
> > +
> ac_cv_path_TOUCH_NO_DEREFERENCE=$ac_path_TOUCH_NO_DEREFERENCE
> ac_path_TOUCH_NO_DEREFERENCE_found=:]])])
> > +AC_SUBST([TOUCH_NO_DEREFERENCE], [$ac_cv_path_TOUCH_NO_DEREFERENCE])
> > +
> >  dnl
> >  dnl Checks for Python, needed for ipkg-utils
> >  dnl
> > --
> > 1.8.5.4
> >
>

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