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package/opencv3: use BR2_TOOLCHAIN_HAS_LIBATOMIC

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It uses __atomic_fetch_add_4 so libatomic must be pulled in if
necessary. Fixes
http://autobuild.buildroot.net/results/652/6521223b426c3cb4dfefab27bc6021900db6910e/

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 2016-09-05 23:00:56 +02:00 committed by Thomas Petazzoni
parent 2bc1cc7cc1
commit 4904c4ce8a
2 changed files with 7 additions and 0 deletions
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2
package/opencv3/Config.in
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@ -1,6 +1,7 @@
menuconfig BR2_PACKAGE_OPENCV3
bool "opencv3"
select BR2_PACKAGE_ZLIB
depends on BR2_TOOLCHAIN_HAS_ATOMIC
depends on BR2_TOOLCHAIN_HAS_THREADS_NPTL
depends on BR2_INSTALL_LIBSTDCPP
depends on BR2_USE_WCHAR
@ -335,6 +336,7 @@ config BR2_PACKAGE_OPENCV3_INSTALL_DATA
endif # BR2_PACKAGE_OPENCV3
comment "opencv3 needs a toolchain w/ C++, NPTL, wchar, dynamic library"
depends on BR2_TOOLCHAIN_HAS_ATOMIC
depends on !BR2_INSTALL_LIBSTDCPP || \
!BR2_USE_WCHAR || \
!BR2_TOOLCHAIN_HAS_THREADS_NPTL || \

5
package/opencv3/opencv3.mk
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@ -10,6 +10,11 @@ OPENCV3_INSTALL_STAGING = YES
OPENCV3_LICENSE = BSD-3c
OPENCV3_LICENSE_FILES = LICENSE
# Uses __atomic_fetch_add_4
ifeq ($(BR2_TOOLCHAIN_HAS_LIBATOMIC),y)
OPENCV3_CONF_OPTS += -DCMAKE_CXX_FLAGS="-latomic"
endif
# OpenCV component options
OPENCV3_CONF_OPTS += \
-DBUILD_DOCS=OFF \