not able to install lilypond 2.12.2after ¨ invalid conversion¨ on Ububtu 9.10

[Tom Haring]

installing lilypond wont work
after <make all> in the terminal this is the last part of the output


general-scheme.cc:343: warning: ignoring return value of 'FILE* freopen(const 
char*, const char*, FILE*)', declared with attribute warn_unused_result 
rm -f ./out/lily-guile.dep; DEPENDENCIES_OUTPUT="./out/lily-guile.dep ./out/
lily-guile.o" g++ -c -Woverloaded-virtual  -I/usr/include/python2.6 -I/usr/
include/python2.6 -fno-strict-aliasing -g -fwrapv  -DHAVE_CONFIG_H  -DNDEBUG -
I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -
O2 -finline-functions -g -pipe -pthread -I/usr/include/freetype2   -I/usr/
include/pango-1.0 -I/usr/include/freetype2 -I/usr/include/glib-2.0 -I/usr/lib/
glib-2.0/include   -Wno-pmf-conversions  -W -Wall -Wconversion -o out/lily-
guile.o lily-guile.cc 
rm -f ./out/lily-version.dep; DEPENDENCIES_OUTPUT="./out/lily-version.dep ./out/
lily-version.o" g++ -c -Woverloaded-virtual  -I/usr/include/python2.6 -I/usr/
include/python2.6 -fno-strict-aliasing -g -fwrapv  -DHAVE_CONFIG_H  -DNDEBUG -
I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -
O2 -finline-functions -g -pipe -pthread -I/usr/include/freetype2   -I/usr/
include/pango-1.0 -I/usr/include/freetype2 -I/usr/include/glib-2.0 -I/usr/lib/
glib-2.0/include   -Wno-pmf-conversions  -W -Wall -Wconversion -o out/lily-
version.o lily-version.cc 
rm -f ./out/main.dep; DEPENDENCIES_OUTPUT="./out/main.dep ./out/main.o" g++ -c -
Woverloaded-virtual  -I/usr/include/python2.6 -I/usr/include/python2.6 -fno-
strict-aliasing -g -fwrapv  -DHAVE_CONFIG_H  -DNDEBUG -I./include -I./out -I../
flower/include -I../flower/./out -I../flower/include  -O2 -finline-functions -g 
-pipe -pthread -I/usr/include/freetype2   -I/usr/include/pango-1.0 -I/usr/
include/freetype2 -I/usr/include/glib-2.0 -I/usr/lib/glib-2.0/include   -Wno-
pmf-conversions  -W -Wall -Wconversion -o out/main.o main.cc 
main.cc: In function 'void copyright()': 
main.cc:224: warning: format not a string literal and no format arguments 
main.cc: In function 'scm_unused_struct* ly_usage()': 
main.cc:250: warning: format not a string literal and no format arguments 
main.cc:252: warning: format not a string literal and no format arguments 
main.cc:254: warning: format not a string literal and no format arguments 
main.cc:256: warning: format not a string literal and no format arguments 
main.cc:258: warning: format not a string literal and no format arguments 
main.cc:260: warning: format not a string literal and no format arguments 
main.cc:268: warning: format not a string literal and no format arguments 
main.cc: In function 'void warranty()': 
main.cc:281: warning: format not a string literal and no format arguments 
rm -f ./out/relocate.dep; DEPENDENCIES_OUTPUT="./out/relocate.dep ./out/
relocate.o" g++ -c -Woverloaded-virtual  -I/usr/include/python2.6 -I/usr/
include/python2.6 -fno-strict-aliasing -g -fwrapv  -DHAVE_CONFIG_H  -DNDEBUG -
I./include -I./out -I../flower/include -I../flower/./out -I../flower/include  -
O2 -finline-functions -g -pipe -pthread -I/usr/include/freetype2   -I/usr/
include/pango-1.0 -I/usr/include/freetype2 -I/usr/include/glib-2.0 -I/usr/lib/
glib-2.0/include   -Wno-pmf-conversions  -W -Wall -Wconversion -o out/
relocate.o relocate.cc 
relocate.cc: In function 'std::string expand_environment_variables
(std::string)': 
relocate.cc:279: error: invalid conversion from 'const char*' to 'char*' 
make[1]: *** [out/relocate.o] Error 1 
make[1]: Leaving directory `/home/tom/Bureaublad/lilypond-2.12.2/lily' 
make: *** [all] Fout 2 

what to do next?

Tom