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From: Saul Wold <sgw@linux.intel.com>
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Subject: Re: [oe-core] qwt: fix link error when linking with ld-gold.
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On 08/12/2012 11:50 AM, Marc Reilly wrote:
> ld-gold doesn't implicitly link with librt, this fixes an unresolved
> symbol error when compiling qwt examples.
>
> Signed-off-by: Marc Reilly <marc@cpdesign.com.au>
> ---
>   .../recipes-qt/qwt/files/fix-ld-gold-linking.patch |   14 ++++++++++++++
>   meta-oe/recipes-qt/qwt/qwt.inc                     |    1 +
>   2 files changed, 15 insertions(+), 0 deletions(-)
>   create mode 100644 meta-oe/recipes-qt/qwt/files/fix-ld-gold-linking.patch
>
> diff --git a/meta-oe/recipes-qt/qwt/files/fix-ld-gold-linking.patch b/meta-oe/recipes-qt/qwt/files/fix-ld-gold-linking.patch
> new file mode 100644
> index 0000000..a00aba4
> --- /dev/null
> +++ b/meta-oe/recipes-qt/qwt/files/fix-ld-gold-linking.patch
> @@ -0,0 +1,14 @@
> +- fix link of unresolved symbols: clock_getres and clock_gettime
> +---
Patch needs Signed-off-by and Upstream-Status Tags please

Thanks

Sau!
> +diff --git a/src/src.pro b/src/src.pro
> +index beb7125..ebf8ea6 100644
> +--- a/src/src.pro
> ++++ b/src/src.pro
> +@@ -94,6 +102,7 @@ SOURCES += \
> +     qwt_symbol.cpp \
> +     qwt_system_clock.cpp
> +
> ++linux*:LIBS += -lrt
> +
> + contains(QWT_CONFIG, QwtPlot) {
> +
> diff --git a/meta-oe/recipes-qt/qwt/qwt.inc b/meta-oe/recipes-qt/qwt/qwt.inc
> index a299ac8..94231b4 100644
> --- a/meta-oe/recipes-qt/qwt/qwt.inc
> +++ b/meta-oe/recipes-qt/qwt/qwt.inc
> @@ -7,6 +7,7 @@ LIC_FILES_CHKSUM = "file://COPYING;md5=dac2743472b0462ff3cfb4af42051c88"
>
>   SRC_URI = "${SOURCEFORGE_MIRROR}/qwt/qwt-${PV}.tar.bz2;name=qwt \
>   	file://qwt6.patch \
> +        file://fix-ld-gold-linking.patch \
>   	"
>
>   S = "${WORKDIR}/qwt-${PV}"
>