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Re: [gpsd-dev] [PATCH] Link with librt for pre-2.17 versions of glibc
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From: |
Gary E. Miller |
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Subject: |
Re: [gpsd-dev] [PATCH] Link with librt for pre-2.17 versions of glibc |
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Date: |
Mon, 23 Mar 2015 15:41:13 -0700 |
Yo Beat!
Ah yes, it can do no harm, except some time. Applied and pushed.
Until someone adds a glibc version check not worth the effort to tweak.
On Mon, 23 Mar 2015 23:34:03 +0100
Beat Bolli <address@hidden> wrote:
> On 23.03.15 23:27, Gary E. Miller wrote:
> > Yo Beat!
> >
> > On Mon, 23 Mar 2015 23:20:11 +0100
> > Beat Bolli <address@hidden> wrote:
> >
> >> As stated in the man page of clock_gettime(2).
> >
> > Not on my Linux man page of clock_gettime():
> >
> > Link with -lrt (only for glibc versions before 2.17).
> >
> > Do we have a way to test for glibc version?
>
> Not easliy; the "ldd --version" output contains the glibc version.
>
> But since we're detecting librt anyway, adding it to the default flags
> just increases link time a little bit.
>
>
> > On Mon, 23 Mar 2015 23:20:11 +0100
> > Beat Bolli <address@hidden> wrote:
> >
> >> As stated in the man page of clock_gettime(2).
> >>
> >> This fixes the build on my Raspberry running Debian 7 with glibc
> >> 2.13.
> >>
> >> Signed-off-by: Beat Bolli <address@hidden>
> >> ---
> >> SConstruct | 2 +-
> >> 1 file changed, 1 insertion(+), 1 deletion(-)
> >>
> >> diff --git a/SConstruct b/SConstruct
> >> index ba425e7..29ac977 100644
> >> --- a/SConstruct
> >> +++ b/SConstruct
> >> @@ -1043,7 +1043,7 @@ if qt_env:
> >> # The libraries have dependencies on system libraries
> >> # libdbus appears multiple times because the linker only does one
> >> pass.
> >> -gpsflags = ["-lm"] + dbusflags
> >> +gpsflags = ["-lm"] + rtlibs + dbusflags
> >> gpsdflags = usbflags + bluezflags + gpsflags
> >>
> >> gpslibs = ["-lgps"] + gpsflags
> >
> >
> >
> >
> > RGDS
> > GARY
> > ---------------------------------------------------------------------------
> > Gary E. Miller Rellim 109 NW Wilmington Ave., Suite E, Bend, OR
> > 97701 address@hidden Tel:+1(541)382-8588
> >
>
>
RGDS
GARY
---------------------------------------------------------------------------
Gary E. Miller Rellim 109 NW Wilmington Ave., Suite E, Bend, OR 97701
address@hidden Tel:+1(541)382-8588