[Buildroot] ELFCLASS issue on building Perl module Term::ReadKey

[Nuno Mota]

Hi,
I'm using buildroot for a project and so far so good. I've added a lot of
perl modules, but a new one just failed. I have no clue how to fix this.
I simply cloned this git project to use swupdate
https://github.com/Trellis-Logic/buildroot-external/tree/swupdate

>>> perl-termreadkey 2.37 Building
cd
/opt/home/nrm/ubuntudocker/GS_Gateway/buildroot/output/build/perl-termreadkey-2.37/
&& if [ -f Build.PL ] && [ MB != "EUMM" ] ; then PERL5LIB=
PERL_USE_UNSAFE_INC=1
/opt/home/nrm/ubuntudocker/GS_Gateway/buildroot/output/host/bin/perl Build
build; else /usr/bin/make -j1
PERL_INC=/opt/home/nrm/ubuntudocker/GS_Gateway/buildroot/output/host/i686-buildroot-linux-uclibc/sysroot/usr/lib/perl5/5.26.2/i686-linux/CORE
FIXIN=:  pure_all; fi
"/opt/home/nrm/ubuntudocker/GS_Gateway/buildroot/output/host/bin/perl"
-MExtUtils::Command::MM -e 'cp_nonempty' -- ReadKey.bs
blib/arch/auto/Term/ReadKey/ReadKey.bs 644
"/opt/home/nrm/ubuntudocker/GS_Gateway/buildroot/output/host/bin/perl"
"-Iblib/arch" "-Iblib/lib" ReadKey_pm.PL ReadKey.pm
Creating ReadKey.pm
Can't load 'blib/arch/auto/Term/ReadKey/ReadKey.so' for module
Term::ReadKey: blib/arch/auto/Term/ReadKey/ReadKey.so: wrong ELF class:
ELFCLASS32 at
/opt/home/nrm/ubuntudocker/GS_Gateway/buildroot/output/host/lib/perl5/5.26.2/x86_64-linux/DynaLoader.pm
line 193.
 at
/opt/home/nrm/ubuntudocker/GS_Gateway/buildroot/output/host/lib/perl5/5.26.2/x86_64-linux/DynaLoader.pm
line 95.
DynaLoader::croak("Can't load 'blib/arch/auto/Term/ReadKey/ReadKey.so' for
modul"...) called at
/opt/home/nrm/ubuntudocker/GS_Gateway/buildroot/output/host/lib/perl5/5.26.2/x86_64-linux/DynaLoader.pm
line 193
DynaLoader::bootstrap("Term::ReadKey") called at ReadKey_pm.PL line 515
Bootstrapping the XS for blockoptions: make[2]: *** [ReadKey.pm] Error 255
make[1]: ***
[/opt/home/nrm/ubuntudocker/GS_Gateway/buildroot/output/build/perl-termreadkey-2.37/.stamp_built]
Error 2
make: *** [_all] Error 2
make: Leaving directory `/opt/home/nrm/ubuntudocker/GS_Gateway/buildroot'

This is now my external config:
BR2_x86_nocona=y
BR2_KERNEL_HEADERS_4_15=y
BR2_TOOLCHAIN_BUILDROOT_LOCALE=y
BR2_PTHREAD_DEBUG=y
BR2_TOOLCHAIN_BUILDROOT_CXX=y
BR2_TARGET_GENERIC_HOSTNAME="gsgateway"
BR2_TARGET_GENERIC_ISSUE="Welcome"
BR2_TARGET_GENERIC_PASSWD_SHA512=y
BR2_ROOTFS_DEVICE_CREATION_DYNAMIC_EUDEV=y
# BR2_TARGET_GENERIC_REMOUNT_ROOTFS_RW is not set
BR2_ROOTFS_USERS_TABLES="../base_external/configs/users.config"
BR2_ROOTFS_OVERLAY="../base_external/rootfs-overlay"
BR2_ROOTFS_POST_BUILD_SCRIPT="../base_external/scripts/pre-image.sh"
BR2_ROOTFS_POST_IMAGE_SCRIPT="../base_external/scripts/post-image.sh"
BR2_LINUX_KERNEL=y
BR2_LINUX_KERNEL_USE_CUSTOM_CONFIG=y
BR2_LINUX_KERNEL_CUSTOM_CONFIG_FILE="../base_external/configs/linux_kernel_defconfig"
BR2_LINUX_KERNEL_INSTALL_TARGET=y
BR2_PACKAGE_BUSYBOX_CONFIG="../base_external/configs/busybox.config"
BR2_PACKAGE_BUSYBOX_SHOW_OTHERS=y
BR2_PACKAGE_VLC=y
BR2_PACKAGE_DMIDECODE=y
BR2_PACKAGE_PERL=y
BR2_PACKAGE_PERL_MOJOLICIOUS_PLUGIN_AUTHENTICATION=y
BR2_PACKAGE_EVENTLOG=y
BR2_PACKAGE_LINUX_PAM=y
BR2_PACKAGE_PCRE_UCP=y
BR2_PACKAGE_BWM_NG=y
BR2_PACKAGE_IFTOP=y
BR2_PACKAGE_IFUPDOWN=y
BR2_PACKAGE_IPTABLES=y
BR2_PACKAGE_NGINX=y
BR2_PACKAGE_NGINX_HTTP_CACHE=y
BR2_PACKAGE_NGINX_HTTP_SSL_MODULE=y
BR2_PACKAGE_NGINX_HTTP_V2_MODULE=y
BR2_PACKAGE_OPENSSH=y
BR2_PACKAGE_OPENVPN=y
BR2_PACKAGE_TCPDUMP=y
BR2_PACKAGE_TRACEROUTE=y
BR2_PACKAGE_VSFTPD=y
BR2_PACKAGE_FILE=y
BR2_PACKAGE_LOGROTATE=y
BR2_PACKAGE_SUDO=y
BR2_PACKAGE_HTOP=y
BR2_PACKAGE_SWUPDATE=y
BR2_PACKAGE_SWUPDATE_CONFIG="../base_external/configs/swupdate.config"
# BR2_PACKAGE_SWUPDATE_INSTALL_WEBSITE is not set
BR2_PACKAGE_UTIL_LINUX_FSCK=y
BR2_PACKAGE_UTIL_LINUX_KILL=y
BR2_PACKAGE_UTIL_LINUX_LAST=y
BR2_PACKAGE_UTIL_LINUX_LOGGER=y
BR2_PACKAGE_UTIL_LINUX_MORE=y
BR2_PACKAGE_UTIL_LINUX_MOUNT=y
BR2_TARGET_ROOTFS_EXT2=y
BR2_TARGET_ROOTFS_EXT2_SIZE="120M"
# BR2_TARGET_ROOTFS_TAR is not set
BR2_TARGET_GRUB2=y
BR2_TARGET_GRUB2_BUILTIN_MODULES="boot linux ext2 fat squash4 part_msdos
part_gpt normal biosdisk loadenv search"
BR2_PACKAGE_HOST_GENIMAGE=y
BR2_PACKAGE_PERL_SWITCH=y
BR2_PACKAGE_PERL_DATA_VALIDATE_IP=y
BR2_PACKAGE_PERL_AUTHEN_PAM=y
BR2_PACKAGE_PERL_TERMREADKEY=y

Thank you,
NRM
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