From: bugzilla at busybox.net <bugzilla@busybox.net>
To: buildroot@busybox.net
Subject: [Buildroot] [Bug 11451] New: Can't find libmpfr.so.4 when using external toolchain on ubuntu 18.04/18.10
Date: Tue, 30 Oct 2018 06:37:28 +0000 [thread overview]
Message-ID: <bug-11451-163@https.bugs.busybox.net/> (raw)
https://bugs.busybox.net/show_bug.cgi?id=11451
Bug ID: 11451
Summary: Can't find libmpfr.so.4 when using external toolchain
on ubuntu 18.04/18.10
Product: buildroot
Version: unspecified
Hardware: All
OS: Linux
Status: NEW
Severity: critical
Priority: P5
Component: Other
Assignee: unassigned at buildroot.uclibc.org
Reporter: lgnice at sina.com
CC: buildroot at uclibc.org
Target Milestone: ---
Created attachment 7836
--> https://bugs.busybox.net/attachment.cgi?id=7836&action=edit
libzlib configure error
When I upgraded ubuntu from 16.04 to 18.04, output/build/libzlib-1.2.11 will
have a compilation error, because I used the toolchain provided by the bsp
vendor.
The reason is: ubuntu 18.04/18.10 removed
Libgmpv4-dev - Multiprecision arithmetic library developers tools (GCC 4.x
compatible)
Only reserved: libmpfr6 - multiple precision floating-point computation
However, I found that all toolchains provide libmpfr.so by themselves:
/opt/Vatics/vtcs_toolchain/arm-eabi-uclibc/usr/lib/libmpfr.so
/opt/ralink/arm-buildroot-gcc463-for-ibox/usr/lib/libmpfr.so
/opt/ralink/buildroot-gcc463/usr/lib/libmpfr.so
/opt/mtk_mipsel_gcc-4.6.3_uclibc-0.9.33/usr/lib/libmpfr.so
/opt/GrainMedia/gm813x/toolchain_gnueabi-4.4.0_ARMv5TE/usr/lib/libmpfr.so
/opt/mipsel-24kec-linux-uclibc-4.9-2017.07/usr/lib/libmpfr.so
/opt/960A/buildroot-gcc463/usr/lib/libmpfr.so
?Just set the environment variable LD_LIBRARY_PATH to solve it.
Export
LD_LIBRARY_PATH=/opt/mipsel-24kec-linux-uclibc-4.9-2017.07/usr/lib:$LD_LIBRARY_PATH
but, once LD_LIBRARY_PATH is set, an error will be reported in buildroot:
You seem to have the current working directory in your
LD_LIBRARY_PATH environment variable. This doesn't work.
Make: *** [support/dependencies/dependencies.mk:25: core-dependencies] Error 1
How to solve it?
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next reply other threads:[~2018-10-30 6:37 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-10-30 6:37 bugzilla at busybox.net [this message]
2018-10-30 7:05 ` [Buildroot] [Bug 11451] Can't find libmpfr.so.4 when using external toolchain on ubuntu 18.04/18.10 bugzilla at busybox.net
2018-10-30 8:36 ` bugzilla at busybox.net
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