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libv4l: fix utilities build with older glibc versions

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Fixes:
http://autobuild.buildroot.net/results/9af/9af37fbf344b63b60e59ccac21e010cdf0ea219e/
http://autobuild.buildroot.net/results/bbd/bbd34d5378354e9db7822eaae8d3c4a75a67ac23/
http://autobuild.buildroot.net/results/ebb/ebbaa70e1a277162ba53c7bde8335ee998486703/
http://autobuild.buildroot.net/results/2c1/2c11f4dbb7cfadcfc6fbc267679b2b4eab867221/

And many more.

The utilities use clock_gettime(), which was provided in librt in glibc <
2.17, so ensure we link against -lrt.

Signed-off-by: Peter Korsgaard <peter@korsgaard.com>
This commit is contained in:
Peter Korsgaard 2014-11-09 11:21:21 +01:00
parent a95e98c0d4
commit 44f89c38dc
1 changed files with 5 additions and 1 deletions
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6
package/libv4l/libv4l.mk
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@ -17,7 +17,7 @@ LIBV4L_LICENSE_FILES = COPYING COPYING.libv4l lib/libv4l1/libv4l1-kernelcode-lic
ifeq ($(BR2_PACKAGE_ARGP_STANDALONE),y)
LIBV4L_DEPENDENCIES += argp-standalone
LIBV4L_CONF_ENV += LIBS="-largp"
LIBV4L_LIBS += -largp
endif
LIBV4L_DEPENDENCIES += $(if $(BR2_PACKAGE_LIBICONV),libiconv)
@ -38,8 +38,12 @@ endif
ifeq ($(BR2_PACKAGE_LIBV4L_UTILS),y)
LIBV4L_CONF_OPTS += --enable-v4l-utils
# clock_gettime is used, which is provided by librt for glibc < 2.17
LIBV4L_LIBS += -lrt
else
LIBV4L_CONF_OPTS += --disable-v4l-utils
endif
LIBV4L_CONF_ENV += LIBS="$(LIBV4L_LIBS)"
$(eval $(autotools-package))