[...]

checking BR
rpm: error: Failed build dependencies:
rpm: 	gdb is needed by gcc-8.2.0-1.src
rpm: 	gmp-c++-devel >= 4.3.2 is needed by gcc-8.2.0-1.src
rpm: 	isl-devel >= 0.15 is needed by gcc-8.2.0-1.src
rpm: Building target platforms: i686-tld-linux
installing BR: isl\-devel gdb gmp\-c\+\+\-devel
+ poldek --noask --caplookup -Q -v --upgrade isl-devel gdb gmp-c++-devel
Loading [pndir]local...
Loading [pndir]ti...
Loading [pndir]ti...
Loading [pndir]ti-test...
Loading [pndir]ti-test...
7875 packages read
Removed 602 duplicate packages from available set
Processing dependencies...
There are 1 package to install:
I isl-devel-0.19-1.i686
This operation will use 277.9KB of disk space.
Need to get 38.0KB of archives. 
Executing pm-command.sh --upgrade -vh --root / --define _check_dirname_deps 1...
Preparing...                ##################################################
isl-devel                   ##################################################
Installing set #2
Processing dependencies...
There are 1 package to install:
I gmp-c++-devel-6.1.2-1.i686
This operation will use 114.8KB of disk space.
Need to get 15.9KB of archives. 
Executing pm-command.sh --upgrade -vh --root / --define _check_dirname_deps 1...
Preparing...                ##################################################
gmp-c++-devel               ##################################################
Installing set #3
Processing dependencies...
error: gdb-8.1-1.i686: req libmpfr.so.4 not found
There are 1 package to install:
I gdb-8.1-1.i686
This operation will use 7.8MB of disk space.
Need to get 3.4MB of archives. 
error: 1 unresolved dependency
error: BR installation failed
mesg: ttyname failed: Inappropriate ioctl for device
+ chmod -R u+rwX /tmp/B.eWsLmV/BUILD
+ rm -rf /tmp/B.eWsLmV/tmp /tmp/B.eWsLmV/BUILD
mesg: ttyname failed: Inappropriate ioctl for device
+ rm -rf /tmp/B.eWsLmV
Begin-TLD-Builder-Info
Build-Time: user:3.14s sys:0.68s real:15.86s (faults io:24 non-io:135292)
End-TLD-Builder-Info