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package/opencv: fix build with old glibc versions

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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>
This commit is contained in:
Bernd Kuhls 2017-05-27 13:52:37 +02:00 committed by Thomas Petazzoni
parent e1404d5b4e
commit cbf2b6e3db
1 changed files with 2 additions and 1 deletions
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package/opencv/opencv.mk
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@ -192,7 +192,8 @@ OPENCV_CONF_OPTS += -DWITH_GTK=OFF
endif
ifeq ($(BR2_PACKAGE_OPENCV_WITH_JASPER),y)
OPENCV_CONF_OPTS += -DWITH_JASPER=ON
OPENCV_CONF_OPTS += -DWITH_JASPER=ON \
-DCMAKE_CXX_FLAGS="$(TARGET_CXXFLAGS) -D__STDC_LIMIT_MACROS"
OPENCV_DEPENDENCIES += jasper
else
OPENCV_CONF_OPTS += -DWITH_JASPER=OFF