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Linux/PROCESSOR-SDK-AM57X: OpenCV recipe build errors

Part Number: PROCESSOR-SDK-AM57X
Other Parts Discussed in Thread: AM5728

Tool/software: Linux

Hello,

I'm trying to build opencv recipe with PSDK v3.02.00.05 for AM5728. I'm following the instructions from http://processors.wiki.ti.com/index.php/OpenCV#OpenCV_OpenCL_development_setup and http://processors.wiki.ti.com/index.php?title=Processor_SDK_Building_The_SDK&oldid=225479 for building the recipe.
However, I'm getting the following message indicating build errors and after this, the build hangs -

===========================================================================================================================
user@buildserver:~/Manu/psdk-v3.02.00.05/tisdk/build$ . conf/setenv
user@buildserver:~/Manu/psdk-v3.02.00.05/tisdk/build$ export PATH=/home/user/Manu/psdk-v3.02.00.05/linux-devkit/sysroots/x86_64-arago-linux/usr/bin:$PATH
user@buildserver:~/Manu/psdk-v3.02.00.05/tisdk/build$ ARAGO_BRAND=processor-sdk MACHINE=am57xx-evm bitbake opencv
Loading cache: 100% |########################################################################################################################################################################################################| ETA: 00:00:00
Loaded 2936 entries from dependency cache.
WARNING: No recipes available for:
/home/user/Manu/psdk-v3.02.00.05/tisdk/sources/meta-processor-sdk/recipes-core/udev/udev_182.bbappend
NOTE: Resolving any missing task queue dependencies

Build Configuration:
BB_VERSION = "1.30.0"
BUILD_SYS = "x86_64-linux"
NATIVELSBSTRING = "Ubuntu-14.04"
TARGET_SYS = "arm-linux-gnueabi"
MACHINE = "am57xx-evm"
DISTRO = "arago"
DISTRO_VERSION = "2016.10"
TUNE_FEATURES = "arm armv7a vfp thumb neon callconvention-hard"
TARGET_FPU = "hard"
meta-processor-sdk = "HEAD:3678d672c9c47a646897286281d4260ac4ace960"
meta-arago-distro
meta-arago-extras = "HEAD:76381bbc10b93ffc6c014154814872b170b93796"
meta-qt5 = "HEAD:2b1871f0d139dc3caaa779a32a1931409c245a36"
meta-networking
meta-ruby
meta-python
meta-oe
meta-gnome = "HEAD:851a064b53dca3b14dd33eaaaca9573b1a36bf0e"
meta-ti = "HEAD:d8aa76970a0ba48762c631dfd79dbed49222373b"
meta-linaro-toolchain
meta-optee = "HEAD:9b616ce6d4293387d254f36800389b2910895420"
meta = "HEAD:28da89a20b70f2bf0c85da6e8af5d94a3b7d76c9"

NOTE: Preparing RunQueue
NOTE: Executing SetScene Tasks
NOTE: Executing RunQueue Tasks
WARNING: readline-native-5.2-r9 do_fetch: Failed to fetch URL ftp.gnu.org/.../readline-5.2.tar.gz;name=archive, attempting MIRRORS if available
WARNING: gettext-native-0.19.6-r0 do_fetch: Failed to fetch URL ftp.gnu.org/.../gettext-0.19.6.tar.gz, attempting MIRRORS if available
WARNING: byacc-native-20150711-r0 do_fetch: Failed to fetch URL invisible-island.net/.../byacc-20150711.tgz, attempting MIRRORS if available
WARNING: acl-native-2.2.52-r0 do_fetch: Failed to fetch URL download.savannah.gnu.org/.../acl-2.2.52.src.tar.gz, attempting MIRRORS if available
WARNING: libpcre-native-8.38-r0 do_fetch: Failed to fetch URL ftp.csx.cam.ac.uk/.../pcre-8.38.tar.bz2, attempting MIRRORS if available
WARNING: elfutils-native-0.164-r0 do_fetch: Failed to fetch URL fedorahosted.org/.../elfutils-0.164.tar.bz2, attempting MIRRORS if available
ERROR: byacc-native-20150711-r0 do_fetch: Fetcher failure: Fetch command failed with exit code 4, no output
ERROR: byacc-native-20150711-r0 do_fetch: Function failed: Fetcher failure for URL: 'invisible-island.net/.../byacc-20150711.tgz'. Unable to fetch URL from any source.
ERROR: Logfile of failure stored in: /home/user/Manu/psdk-v3.02.00.05/tisdk/build/arago-tmp-external-linaro-toolchain/work/x86_64-linux/byacc-native/20150711-r0/temp/log.do_fetch.18033
ERROR: Task 579 (virtual:native:/home/user/Manu/psdk-v3.02.00.05/tisdk/sources/oe-core/meta/recipes-extended/byacc/byacc_20150711.bb, do_fetch) failed with exit code '1'
ERROR: libpcre-native-8.38-r0 do_fetch: Fetcher failure: Fetch command failed with exit code 4, no output
ERROR: libpcre-native-8.38-r0 do_fetch: Function failed: Fetcher failure for URL: 'ftp.csx.cam.ac.uk/.../pcre-8.38.tar.bz2'. Unable to fetch URL from any source.
ERROR: Logfile of failure stored in: /home/user/Manu/psdk-v3.02.00.05/tisdk/build/arago-tmp-external-linaro-toolchain/work/x86_64-linux/libpcre-native/8.38-r0/temp/log.do_fetch.18029
ERROR: Task 555 (virtual:native:/home/user/Manu/psdk-v3.02.00.05/tisdk/sources/oe-core/meta/recipes-support/libpcre/libpcre_8.38.bb, do_fetch) failed with exit code '1'
ERROR: readline-native-5.2-r9 do_fetch: Fetcher failure: Fetch command failed with exit code 4, no output
ERROR: readline-native-5.2-r9 do_fetch: Function failed: Fetcher failure for URL: 'ftp.gnu.org/.../readline-5.2.tar.gz;name=archive'. Unable to fetch URL from any source.
ERROR: gettext-native-0.19.6-r0 do_fetch: Fetcher failure: Fetch command failed with exit code 4, no output
ERROR: gettext-native-0.19.6-r0 do_fetch: Function failed: Fetcher failure for URL: 'ftp.gnu.org/.../gettext-0.19.6.tar.gz'. Unable to fetch URL from any source.
ERROR: Logfile of failure stored in: /home/user/Manu/psdk-v3.02.00.05/tisdk/build/arago-tmp-external-linaro-toolchain/work/x86_64-linux/readline-native/5.2-r9/temp/log.do_fetch.18027
ERROR: Logfile of failure stored in: /home/user/Manu/psdk-v3.02.00.05/tisdk/build/arago-tmp-external-linaro-toolchain/work/x86_64-linux/gettext-native/0.19.6-r0/temp/log.do_fetch.18028
ERROR: Task 912 (virtual:native:/home/user/Manu/psdk-v3.02.00.05/tisdk/sources/oe-core/meta/recipes-core/readline/readline_5.2.bb, do_fetch) failed with exit code '1'
ERROR: Task 587 (virtual:native:/home/user/Manu/psdk-v3.02.00.05/tisdk/sources/oe-core/meta/recipes-core/gettext/gettext_0.19.6.bb, do_fetch) failed with exit code '1'
ERROR: elfutils-native-0.164-r0 do_fetch: Fetcher failure: Fetch command failed with exit code 4, no output
ERROR: elfutils-native-0.164-r0 do_fetch: Function failed: Fetcher failure for URL: 'fedorahosted.org/.../elfutils-0.164.tar.bz2'. Unable to fetch URL from any source.
ERROR: Logfile of failure stored in: /home/user/Manu/psdk-v3.02.00.05/tisdk/build/arago-tmp-external-linaro-toolchain/work/x86_64-linux/elfutils-native/0.164-r0/temp/log.do_fetch.18032
ERROR: Task 530 (virtual:native:/home/user/Manu/psdk-v3.02.00.05/tisdk/sources/oe-core/meta/recipes-devtools/elfutils/elfutils_0.164.bb, do_fetch) failed with exit code '1'
ERROR: acl-native-2.2.52-r0 do_fetch: Fetcher failure: Fetch command failed with exit code 4, no output
ERROR: acl-native-2.2.52-r0 do_fetch: Function failed: Fetcher failure for URL: 'download.savannah.gnu.org/.../acl-2.2.52.src.tar.gz'. Unable to fetch URL from any source.
ERROR: Logfile of failure stored in: /home/user/Manu/psdk-v3.02.00.05/tisdk/build/arago-tmp-external-linaro-toolchain/work/x86_64-linux/acl-native/2.2.52-r0/temp/log.do_fetch.18034
ERROR: Task 563 (virtual:native:/home/user/Manu/psdk-v3.02.00.05/tisdk/sources/oe-core/meta/recipes-support/attr/acl_2.2.52.bb, do_fetch) failed with exit code '1'
Waiting for 1 running tasks to finish:
0: linux-libc-headers-4.4-r0.arago0 do_fetch (pid 18026)
===========================================================================================================================

Any inputs to resolve this will be helpful

Regards,
Manu