package/exiv2: fix pthread detection

This commit fixes an error during configure:

-- Check if compiler accepts -pthread
CMake Error: TRY_RUN() invoked in cross-compiling mode, please set the
 following cache variables appropriately:
   THREADS_PTHREAD_ARG (advanced)

Patch ported from librtlsdr:
https://git.busybox.net/buildroot/commit/?id=4c6eace6f756d15ae9639a503c9245d1e7fb12a9

Fixes
http://autobuild.buildroot.net/results/0f9/0f985993a0c0076f027cfe25bb13d6b85c644c0d/

Signed-off-by: Bernd Kuhls <bernd.kuhls@t-online.de>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
This commit is contained in:
Bernd Kuhls 2017-06-04 10:27:14 +02:00 committed by Thomas Petazzoni
parent 1fe1698d6e
commit 04f08a43dd

View File

@ -11,6 +11,10 @@ EXIV2_INSTALL_STAGING = YES
EXIV2_CONF_OPTS += -DEXIV2_ENABLE_BUILD_SAMPLES=OFF
# The following CMake variable disables a TRY_RUN call in the -pthread
# test which is not allowed when cross-compiling.
EXIV2_CONF_OPTS += -DTHREADS_PTHREAD_ARG=OFF
ifeq ($(BR2_PACKAGE_EXIV2_LENSDATA),)
EXIV2_CONF_OPTS += -DEXIV2_ENABLE_LENSDATA=OFF
endif