Build Error

[mubasherkhan]

during build i got following error
`
PLEASE ATTACH THE FOLLOWING FILES TO THE BUG REPORT:
Preprocessed source(s) and associated run script(s) are located at:
clang: note: diagnostic msg: /var/tmp/gen-fac_ui-54e7e7.c
clang: note: diagnostic msg: /var/tmp/gen-fac_ui-54e7e7.sh
clang: note: diagnostic msg:

---

/usr/bin/gcc -fPIC -fno-common test -f 'gen-fac_ui_.c' || echo '/Users/maxmacmini/Desktop/Common/kriyative-ecl-iphone-builder-e42aec0/ecl-11.1.1/src/gmp/'gen-fac_ui_.c -o gen-fac_ui
Undefined symbols for architecture x86_64:
"main", referenced from:
implicit entry/start for main executable
ld: symbol(s) not found for architecture x86_64
clang: error: linker command failed with exit code 1 (use -v to see invocation)
make[1]: *** [gen-fac_ui] Error 1
make: *** [libeclgmp.a] Error 2
if (echo c gmp gc atomic | grep gmp); then
cd gmp && /Applications/Xcode.app/Contents/Developer/usr/bin/make install &&
cd .. && mv include/gmp.h ecl/ && rmdir include &&
mv ./libgmp.a ./libeclgmp.a;
fi
c gmp gc atomic
/usr/bin/gcc -fPIC -fno-common test -f 'gen-fac_ui_.c' || echo '/Users/maxmacmini/Desktop/Common/kriyative-ecl-iphone-builder-e42aec0/ecl-11.1.1/src/gmp/'gen-fac_ui.c -o gen-fac_ui
Undefined symbols for architecture x86_64:
"_main", referenced from:
implicit entry/start for main executable
ld: symbol(s) not found for architecture x86_64
clang: error: linker command failed with exit code 1 (use -v to see invocation)
make[1]: *** [gen-fac_ui] Error 1
make: *** [libeclgmp.a] Error 2
`