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package/opencv3: fix build with gcc bug 64735

PATCH New Bernd Kuhls 2 participants 2 messages Aug 1, 2018 – Aug 5, 2018

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Bernd Kuhls

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PATCH 1/1 package/opencv3: fix build with gcc bug 64735

OpenCV3 allows to disable the usage of std::exception_ptr:
https://github.com/opencv/opencv/issues/11878#issuecomment-402099255

Fixes
http://autobuild.buildroot.net/results/5ca/5ca221792c72c0a19f8b0e8303c0603d28f3c48e/

Signed-off-by Bernd Kuhls <[email protected]>
---
 package/opencv3/opencv3.mk | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)
package/opencv3/opencv3.mk +9 -1
index 09455d61b2..ea4d22743f 100644
@@ -11,13 +11,21 @@ OPENCV3_LICENSE = BSD-3-Clause
 OPENCV3_LICENSE_FILES = LICENSE
 OPENCV3_SUPPORTS_IN_SOURCE_BUILD = NO
 
+OPENCV3_CXXFLAGS = $(TARGET_CXXFLAGS)
+
 # Uses __atomic_fetch_add_4
 ifeq ($(BR2_TOOLCHAIN_HAS_LIBATOMIC),y)
-OPENCV3_CONF_OPTS += -DCMAKE_CXX_FLAGS="$(TARGET_CXXFLAGS) -latomic"
+OPENCV3_CXXFLAGS += -latomic
+endif
+
+# Fix c++11 build with missing std::exception_ptr
+ifeq ($(BR2_TOOLCHAIN_HAS_GCC_BUG_64735),y)
+OPENCV3_CXXFLAGS += -DCV__EXCEPTION_PTR=0
 endif
 
 # OpenCV component options
 OPENCV3_CONF_OPTS += \
+	-DCMAKE_CXX_FLAGS="$(OPENCV3_CXXFLAGS)" \
 	-DBUILD_DOCS=OFF \
 	-DBUILD_PERF_TESTS=$(if $(BR2_PACKAGE_OPENCV3_BUILD_PERF_TESTS),ON,OFF) \
 	-DBUILD_TESTS=$(if $(BR2_PACKAGE_OPENCV3_BUILD_TESTS),ON,OFF) \
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2.18.0
Applied
#1 lore raw

PATCH 1/1 package/opencv3: fix build with gcc bug 64735

Hello,

Quoted 10 lines · Bernd Kuhls

OpenCV3 allows to disable the usage of std::exception_ptr:
https://github.com/opencv/opencv/issues/11878#issuecomment-402099255

Fixes
http://autobuild.buildroot.net/results/5ca/5ca221792c72c0a19f8b0e8303c0603d28f3c48e/

Signed-off-by Bernd Kuhls <[email protected]>
---
 package/opencv3/opencv3.mk | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

Applied to master, thanks.

Thomas

Signature · 3 lines
Thomas Petazzoni, CTO, Bootlin (formerly Free Electrons)
Embedded Linux and Kernel engineering
https://bootlin.com