40 lines
1.4 KiB
Diff
40 lines
1.4 KiB
Diff
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From 22e03ef8a9e3adcbc6b2f16c3cc98e4e14443eed Mon Sep 17 00:00:00 2001
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From: Bernd Kuhls <bernd.kuhls@t-online.de>
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Date: Sat, 24 Sep 2016 17:51:22 +0200
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Subject: [PATCH 1/1] CMakeLists.txt: Do not add libdl to LINKER_LIBS for
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static builds
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Without this patch -ldl is present in opencv.pc which breaks OpenCV
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detection by ffmpeg, detected by buildroot autobuilders:
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http://autobuild.buildroot.net/results/765/7657e01481995a4f0d725467e935a83928a59a04//ffmpeg-3.1.3/config.log
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/home/peko/autobuild/instance-1/output/host/opt/ext-toolchain/bin/../lib/gcc/arm-buildroot-linux-uclibcgnueabi/4.9.4/../../../../arm-buildroot-linux-uclibcgnueabi/bin/ld: cannot find -ldl
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Patch sent upstream: https://github.com/opencv/opencv/pull/7337
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Signed-off-by: Bernd Kuhls <bernd.kuhls@t-online.de>
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---
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CMakeLists.txt | 5 ++++-
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1 file changed, 4 insertions(+), 1 deletion(-)
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diff --git a/CMakeLists.txt b/CMakeLists.txt
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index 007b80d..99b047d 100644
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--- a/CMakeLists.txt
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+++ b/CMakeLists.txt
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@@ -457,7 +457,10 @@ if(UNIX)
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elseif(${CMAKE_SYSTEM_NAME} MATCHES "QNX")
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set(OPENCV_LINKER_LIBS ${OPENCV_LINKER_LIBS} m)
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else()
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- set(OPENCV_LINKER_LIBS ${OPENCV_LINKER_LIBS} dl m pthread rt)
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+ if(BUILD_SHARED_LIBS)
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+ set(OPENCV_LINKER_LIBS ${OPENCV_LINKER_LIBS} dl)
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+ endif()
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+ set(OPENCV_LINKER_LIBS ${OPENCV_LINKER_LIBS} m pthread rt)
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endif()
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else()
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set(HAVE_LIBPTHREAD YES)
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--
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2.9.3
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