package/opencv: fix build with old glibc versions
Prior to glibc 2.18, definitions like SIZE_MAX or INT_FAST32_MAX from <stdint.h> were only made available for C code, or in C++ if __STDC_LIMIT_MACROS was defined. The code from jasper uses such definitions, without defining __STDC_LIMIT_MACROS. Unfortunately, defining __STDC_LIMIT_MACROS in the jasper headers doesn't work, since <stdint.h> has already been included before, at a point where __STDC_LIMIT_MACROS was not defined. So to solve this problem, we simply pass -D__STDC_LIMIT_MACROS in CXXFLAGS when building opencv with jasper support. This patch uses the same solution used for libraw: https://git.buildroot.net/buildroot/commit/package/libraw?id=d246cf5fd01bb0d20a0e64194ffed514ea8dd0aa Fixes: http://autobuild.buildroot.net/results/095/095f7574afdb633c59a625cd063de03644b6d3a7/ Signed-off-by: Bernd Kuhls <bernd.kuhls@t-online.de> Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
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@ -192,7 +192,8 @@ OPENCV_CONF_OPTS += -DWITH_GTK=OFF
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endif
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endif
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ifeq ($(BR2_PACKAGE_OPENCV_WITH_JASPER),y)
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ifeq ($(BR2_PACKAGE_OPENCV_WITH_JASPER),y)
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OPENCV_CONF_OPTS += -DWITH_JASPER=ON
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OPENCV_CONF_OPTS += -DWITH_JASPER=ON \
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-DCMAKE_CXX_FLAGS="$(TARGET_CXXFLAGS) -D__STDC_LIMIT_MACROS"
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OPENCV_DEPENDENCIES += jasper
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OPENCV_DEPENDENCIES += jasper
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else
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else
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OPENCV_CONF_OPTS += -DWITH_JASPER=OFF
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OPENCV_CONF_OPTS += -DWITH_JASPER=OFF
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