[Buildroot] Building host-python-2.7.15 Failed

[Carlos Santos <casantos@datacom.com.br>]

> From: "Vadim Kochan" <vadim4j@gmail.com>
> To: "Woody Wu" <narkewoody@gmail.com>
> Cc: "buildroot" <buildroot@busybox.net>
> Sent: Domingo, 20 de janeiro de 2019 12:13:18
> Subject: Re: [Buildroot] Building host-python-2.7.15 Failed

> Hi,
> 
> On Sun, Jan 20, 2019 at 08:51:32PM +0800, Woody Wu wrote:
>> Hi,
>> 
>> My savedefconfig:
>> 
>> BR2_arm=y
>> BR2_cortex_a8=y
>> BR2_ARM_FPU_NEON=y
>> BR2_DL_DIR="$(TOPDIR)/../downloads"
>> BR2_TOOLCHAIN_EXTERNAL=y
>> BR2_TOOLCHAIN_EXTERNAL_CUSTOM=y
>> BR2_TOOLCHAIN_EXTERNAL_CUSTOM_PREFIX="$(ARCH)-linux-gnueabihf"
>> BR2_TOOLCHAIN_EXTERNAL_GCC_7=y
>> BR2_TOOLCHAIN_EXTERNAL_HEADERS_4_10=y
>> BR2_TOOLCHAIN_EXTERNAL_CUSTOM_GLIBC=y
>> BR2_TOOLCHAIN_EXTERNAL_CXX=y
>> BR2_PACKAGE_IOSTAT=y
>> BR2_PACKAGE_NODEJS=y
>> BR2_PACKAGE_PYTHON=y
>> 
>> BTW: My building system is ubuntu 18.10.  The target is armv7
>> 
>> 
>> On Sun, Jan 20, 2019 at 12:24 AM Vadim Kochan <vadim4j@gmail.com> wrote:
>> 
>> > Hi Woody,
>> >
>> > On Sun, Jan 20, 2019 at 12:15:36AM +0800, Woody Wu wrote:
>> > > Hi,
>> > >
>> > > This is buildroot-2018.11.1.    I found I cannot build some packages with
>> > > buildroot, the problem seemed in the building of the host-python. Below
>> > is
>> > > the log:
>> > >
>> > > >>> host-python 2.7.15 Building
>> > >
>> > PATH="/home/woody/beacon-cross-build/buildroot/buildroot-2018.11.1/output/host/bin:/home/woody/beacon-cross-build/buildroot/buildroot-2018.11.1/output/host/sbin:/opt/linaro/gcc-linaro-7.3.1-2018.05-x86_64_arm-linux-gnueabihf/bin:/home/woody/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/games:/usr/local/games:/snap/bin:/usr/lib/jvm/java-8-oracle/bin:/usr/lib/jvm/java-8-oracle/db/bin:/usr/lib/jvm/java-8-oracle/jre/bin"
>> > >
>> > PKG_CONFIG="/home/woody/beacon-cross-build/buildroot/buildroot-2018.11.1/output/host/bin/pkg-config"
>> > > PKG_CONFIG_SYSROOT_DIR="/" PKG_CONFIG_ALLOW_SYSTEM_CFLAGS=1
>> > > PKG_CONFIG_ALLOW_SYSTEM_LIBS=1
>> > >
>> > PKG_CONFIG_LIBDIR="/home/woody/beacon-cross-build/buildroot/buildroot-2018.11.1/output/host/lib/pkgconfig:/home/woody/beacon-cross-build/buildroot/buildroot-2018.11.1/output/host/share/pkgconfig"
>> > > /usr/bin/make -j1  -C
>> > >
>> > /home/woody/beacon-cross-build/buildroot/buildroot-2018.11.1/output/build/host-python-2.7.15/
>> > > running build
>> > > running build_ext
>> > > INFO: Can't locate Tcl/Tk libs and/or headers
>> > > building 'crypt' extension
>> > > /usr/bin/gcc -pthread -fPIC -fno-strict-aliasing -O2
>> > >
>> > -I/home/woody/beacon-cross-build/buildroot/buildroot-2018.11.1/output/host/include
>> > > -DNDEBUG -g -fwrapv -O3 -Wall -Wstrict-prototypes -I. -IInclude
>> > -I./Include
>> > >
>> > -I/home/woody/beacon-cross-build/buildroot/buildroot-2018.11.1/output/host/include
>> > > -I/usr/include/x86_64-linux-gnu -I/usr/local/include
>> > >
>> > -I/home/woody/beacon-cross-build/buildroot/buildroot-2018.11.1/output/build/host-python-2.7.15/Include
>> > >
>> > -I/home/woody/beacon-cross-build/buildroot/buildroot-2018.11.1/output/build/host-python-2.7.15
>> > > -c
>> > >
>> > /home/woody/beacon-cross-build/buildroot/buildroot-2018.11.1/output/build/host-python-2.7.15/Modules/cryptmodule.c
>> > > -o
>> > >
>> > build/temp.linux-x86_64-2.7/home/woody/beacon-cross-build/buildroot/buildroot-2018.11.1/output/build/host-python-2.7.15/Modules/cryptmodule.o
>> > > /usr/bin/gcc -pthread -shared
>> > >
>> > -L/home/woody/beacon-cross-build/buildroot/buildroot-2018.11.1/output/host/lib
>> > >
>> > -Wl,-rpath,/home/woody/beacon-cross-build/buildroot/buildroot-2018.11.1/output/host/lib
>> > > -Wl,--enable-new-dtags
>> > >
>> > build/temp.linux-x86_64-2.7/home/woody/beacon-cross-build/buildroot/buildroot-2018.11.1/output/build/host-python-2.7.15/Modules/cryptmodule.o
>> > >
>> > -L/home/woody/beacon-cross-build/buildroot/buildroot-2018.11.1/output/host/lib
>> > > -L/usr/lib/x86_64-linux-gnu -L/usr/local/lib -L. -lcrypt -lpython2.7 -o
>> > > build/lib.linux-x86_64-2.7/crypt.so
>> > > /usr/bin/ld: /usr/lib/x86_64-linux-gnu/libcrypt.a(crypt-entry.o):
>> > > relocation R_X86_64_PC32 against symbol `_ufc_foobar' can not be used
>> > when
>> > > making a shared object; recompile with -fPIC
>> > > /usr/bin/ld: final link failed: bad value
>> > > collect2: error: ld returned 1 exit status
>> > >
>> > > Python build finished, but the necessary bits to build these modules were
>> > > not found:
>> > > _bsddb             _sqlite3           _tkinter
>> > > bsddb185           bz2                dbm
>> > > dl                 gdbm               imageop
>> > > readline           sunaudiodev
>> > > To find the necessary bits, look in setup.py in detect_modules() for the
>> > > module's name.
>> > >
>> > > Failed to build these modules:
>> > > crypt
>> > > =============
>> > >
>> > > Can someone have a look at it and give me a hint?
>> > >
>> > > Thanks!
>> > >
> 
> So, you are using custom toolchain, I used this defconfig:
> 
>	BR2_arm=y
>	BR2_cortex_a8=y
>	BR2_ARM_FPU_NEON=y
>	BR2_TOOLCHAIN_EXTERNAL=y
>	BR2_PACKAGE_IOSTAT=y
>	BR2_PACKAGE_NODEJS=y
>	BR2_PACKAGE_PYTHON=y
> 
> and it builds OK on master and 2018.11.1 tag.

It's a failure in the build of a host package so the toolchain, which
is used to build target packages, should not be relevant.

-- 
Carlos Santos (Casantos) - DATACOM, P&D
?Marched towards the enemy, spear upright, armed with the certainty
that only the ignorant can have.? ? Epitaph of a volunteer