[Buildroot] opencv with glibc

[Ozgun]

see attached file



Date: Wed, 15 Feb 2012 16:52:42 +0100
From: Thomas Petazzoni <thomas.petazzoni at free-electrons.com>
To: buildroot at busybox.net
Subject: Re: [Buildroot] opencv with glibc
Message-ID: <20120215165242.6af85108 at skate
>
Content-Type: text/plain; charset=UTF-8

Le Wed, 15 Feb 2012 17:35:08 +0200,
Ozgun <ozgun.gunay at gmail.com> a ?crit :

> I'm using ct-ng toolchain and glibc library. when compiling opencv
> gives the following uclibc error;

Can you send your Buildroot .config file? According to your build log,
you are definitely not using a glibc toolchain, so there is probably a
problem in your Buildroot configuration.

Best regards,

Thomas
--
Thomas Petazzoni, Free Electrons
Kernel, drivers, real-time and embedded Linux
development, consulting, training and support.
http://free-electrons.com




On Wed, Feb 15, 2012 at 5:35 PM, Ozgun <ozgun.gunay at gmail.com> wrote:

>
>
> I'm using ct-ng toolchain and glibc library. when compiling opencv gives
> the following uclibc error;
>
>
>
> >>> opencv 2.3.1a Patching package//opencv
> >>> opencv 2.3.1a Configuring
> (cd /usr/src/br/buildroot/output/build/opencv-2.3.1a/ && rm -f
> CMakeCache.txt &&  /usr/src/br/buildroot/output/host/usr/bin/cmake
> /usr/src/br/buildroot/output/build/opencv-2.3.1a/
> -DCMAKE_TOOLCHAIN_FILE="/usr/src/br/buildroot/output/toolchainfile.cmake"
> -DCMAKE_INSTALL_PREFIX="/usr" -DCMAKE_BUILD_TYPE=Release -DBUILD_DOCS=OFF
> -DBUILD_EXAMPLES=OFF -DBUILD_PACKAGE=OFF -DBUILD_TESTS=OFF
> -DBUILD_SHARED_LIBS=ON -DINSTALL_C_EXAMPLES=OFF
> -DINSTALL_PYTHON_EXAMPLES=OFF -DOPENCV_BUILD_3RDPARTY_LIBS=OFF
> -DENABLE_PROFILING=OFF -DCMAKE_SKIP_RPATH=OFF -DUSE_FAST_MATH=ON
> -DUSE_OMIT_FRAME_POINTER=ON -DUSE_PRECOMPILED_HEADERS=OFF -DWITH_1394=OFF
> -DWITH_CUDA=OFF -DWITH_EIGEN=OFF -DWITH_IPP=OFF -DWITH_JASPER=OFF
> -DWITH_OPENEXR=OFF -DWITH_OPENNI=OFF -DWITH_PVAPI=OFF -DWITH_TBB=OFF
> -DWITH_UNICAP=OFF -DWITH_XINE=OFF -DBUILD_NEW_PYTHON_SUPPORT=OFF
> -DWITH_FFMPEG=OFF -DWITH_GSTREAMER=OFF -DWITH_GTK=OFF -DWITH_JPEG=OFF
> -DWITH_PNG=OFF -DWITH_QT=ON -DWITH_QT_OPENGL=OFF -DWITH_TIFF=OFF
> -DWITH_V4L=ON )
> Re-run cmake no build system arguments
> -- The C compiler identification is unknown
> -- The CXX compiler identification is unknown
> -- Check for working C compiler:
> /usr/src/br/buildroot/output/host/usr/bin/i686-unknown-linux-uclibc-gcc
> CMake Error: your C compiler:
> "/usr/src/br/buildroot/output/host/usr/bin/i686-unknown-linux-uclibc-gcc"
> was not found.   Please set CMAKE_C_COMPILER to a valid compiler path or
> name.
> CMake Error: Internal CMake error, TryCompile configure of cmake failed
> -- Check for working C compiler:
> /usr/src/br/buildroot/output/host/usr/bin/i686-unknown-linux-uclibc-gcc --
> broken
> CMake Error at
> /usr/src/br/buildroot/output/host/usr/share/cmake-2.8/Modules/CMakeTestCCompiler.cmake:52
> (MESSAGE):
>   The C compiler
>   "/usr/src/br/buildroot/output/host/usr/bin/i686-unknown-linux-uclibc-gcc"
>   is not able to compile a simple test program.
>
>   It fails with the following output:
>
>
>
>
>
>   CMake will not be able to correctly generate this project.
> Call Stack (most recent call first):
>   CMakeLists.txt:40 (project)
>
>
> CMake Error: your C compiler:
> "/usr/src/br/buildroot/output/host/usr/bin/i686-unknown-linux-uclibc-gcc"
> was not found.   Please set CMAKE_C_COMPILER to a valid compiler path or
> name.
> CMake Error: your CXX compiler:
> "/usr/src/br/buildroot/output/host/usr/bin/i686-unknown-linux-uclibc-g++"
> was not found.   Please set CMAKE_CXX_COMPILER to a valid compiler path or
> name.
> -- Configuring incomplete, errors occurred!
> make: ***
> [/usr/src/br/buildroot/output/build/opencv-2.3.1a/.stamp_configured] Error 1
>
>
>
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