I'm sorry but, i do not know of which script you speak about.
The relevant parts are here:
...
/home/laz-user/lazarus/ide/lazarus.pp(71,5) Hint: (5023) Unit "FPCUnitTestRunner" not used in Lazarus
(9022) Compiling resource ../units/x86_64-linux/gtk2/lazarus.or
(9015) Linking ../lazarus
/usr/bin/ld: warning: ../link.res contains output sections; did you forget -T?
(1008) 280220 lines compiled, 57.1 sec
(1021) 15 warning(s) issued
(1022) 2796 hint(s) issued
(1023) 1 note(s) issued
make[2]: Verzeichnis „/home/laz-user/lazarus/ide“ wird verlassen
make[1]: Verzeichnis „/home/laz-user/lazarus/ide“ wird verlassen
make -C ide starter
make[1]: Verzeichnis „/home/laz-user/lazarus/ide“ wird betreten
make --assume-new=startlazarus.lpr startlazarus OPT=' -Fu../packager/units/x86_64-linux -Fu../components/codetools/units/x86_64-linux -Fu../components/debuggerintf/lib/x86_64-linux -Fu../components/lazutils/lib/x86_64-linux -Fu../lcl/units/x86_64-linux -Fu../lcl/units/x86_64-linux/gtk2 -Fu../components/ideintf/units/x86_64-linux/gtk2 -Fu../components/synedit/units/x86_64-linux/gtk2 -Fu../components/lazcontrols/lib/x86_64-linux/gtk2 -Fu../components/lazdebuggergdbmi/lib/x86_64-linux -Fu../units/x86_64-linux/gtk2 '
make[2]: Verzeichnis „/home/laz-user/lazarus/ide“ wird betreten
/usr/bin/ppcx64 -gl -vbqewnhi -Sci -dlclgtk2 -Fu../designer -Fu../debugger -Fu../debugger/frames -Fu../converter -Fu../packager -Fu../packager/frames -Fu../components/custom -Fuframes -Fu. -Fu/usr/lib/fpc/3.0.0/units/x86_64-linux/rtl -Fiinclude -Fiinclude/linux -Fi../images -FE.. -FU../units/x86_64-linux/gtk2 -Cg -Fl/usr/lib/gcc/x86_64-linux-gnu/5 -Flinclude -Fl/etc/ld.so.conf.d/*.conf -Fu../packager/units/x86_64-linux -Fu../components/codetools/units/x86_64-linux -Fu../components/debuggerintf/lib/x86_64-linux -Fu../components/lazutils/lib/x86_64-linux -Fu../lcl/units/x86_64-linux -Fu../lcl/units/x86_64-linux/gtk2 -Fu../components/ideintf/units/x86_64-linux/gtk2 -Fu../components/synedit/units/x86_64-linux/gtk2 -Fu../components/lazcontrols/lib/x86_64-linux/gtk2 -Fu../components/lazdebuggergdbmi/lib/x86_64-linux -Fu../units/x86_64-linux/gtk2 -dx86_64 startlazarus.lpr
Hint: (11030) Start of reading config file /etc/fpc.cfg
Hint: (11031) End of reading config file /etc/fpc.cfg
Free Pascal Compiler version 3.0.0 [2015/11/20] for x86_64
Copyright (c) 1993-2015 by Florian Klaempfl and others
(1002) Target OS: Linux for x86-64
(3104) Compiling startlazarus.lpr
(3104) Compiling redirect_stderr.pas
(3104) Compiling lazarusmanager.pas
/home/laz-user/lazarus/ide/lazarusmanager.pas(130,35) Hint: (5024) Parameter "Sender" not used
/home/laz-user/lazarus/ide/lazarusmanager.pas(414,12) Warning: (5043) Symbol "CommandLine" is deprecated
(9022) Compiling resource ../units/x86_64-linux/gtk2/startlazarus.or
(9015) Linking ../startlazarus
/usr/bin/ld: warning: ../link.res contains output sections; did you forget -T?
(1008) 693 lines compiled, 4.6 sec
(1021) 1 warning(s) issued
(1022) 3 hint(s) issued
make[2]: Verzeichnis „/home/laz-user/lazarus/ide“ wird verlassen
make[1]: Verzeichnis „/home/laz-user/lazarus/ide“ wird verlassen
...
Which tells us that startlazarus and lazarus executables were created correctly.
The only thing out of the ordinary (unsupported debug format) was read fairly in the beginning:
make -C components/chmhelp/lhelp
make[1]: Verzeichnis „/home/laz-user/lazarus/components/chmhelp/lhelp“ wird betreten
/bin/mkdir -p lib/x86_64-linux
make --assume-new=lhelp.lpr OPT=" " lhelp
make[2]: Verzeichnis „/home/laz-user/lazarus/components/chmhelp/lhelp“ wird betreten
/usr/bin/ppcx64 -gs -gl -Sghi -O3 -dlclgtk2 -Fu. -Fu../../../components/lazutils/lib/x86_64-linux -Fu../../../packager/units/x86_64-linux -Fu../../../lcl/units/x86_64-linux -Fu../../../lcl/units/x86_64-linux/gtk2 -Fu../../../components/cairocanvas/lib/x86_64-linux/gtk2 -Fu../../../components/turbopower_ipro/units/x86_64-linux/gtk2 -Fu../../../components/printers/lib/x86_64-linux/gtk2 -Fu../packages/help/lib/x86_64-linux/gtk2 -Fu/usr/lib/fpc/3.0.0/units/x86_64-linux/rtl -FE. -FUlib/x86_64-linux -Cg -Fl/usr/lib/gcc/x86_64-linux-gnu/5 -Flinclude -Fl/etc/ld.so.conf.d/*.conf -dx86_64 lhelp.lpr
Free Pascal Compiler version 3.0.0 [2015/11/20] for x86_64
Copyright (c) 1993-2015 by Florian Klaempfl and others
Warning: The selected debug format is not supported on the current target, not changing the current setting
Target OS: Linux for x86-64
...
But, that shouldn't be a (big) issue.
So the question becomes, what is it that you are actually expecting from the script that you've used ? Are you not able to start lazarus from the given directory ?