[vitalie@silver tmp]$ rpmbuild -ta --define 'with_lua 1' mysql-proxy-0.6.0.tar.gz
 
[...]
 
checking for LUA... checking for LUA... configure: error: Package requirements (lua5.1 >= 5.1) were not met:
 
No package 'lua5.1' found
 
Consider adjusting the PKG_CONFIG_PATH environment variable if you
installed software in a non-standard prefix.
 
Alternatively, you may set the environment variables LUA_CFLAGS
and LUA_LIBS to avoid the need to call pkg-config.
See the pkg-config man page for more details.

[vitalie@silver tmp]$ LUA_CFLAGS="-I/usr/include" LUA_LIBS="-llua -lm -ldl" rpmbuild -ta --define 'with_lua 1' mysql-proxy-0.6.0.tar.gz
 
[...]
 
Requires(rpmlib): rpmlib(CompressedFileNames) <= 3.0.4-1 rpmlib(PayloadFilesHavePrefix) <= 4.0-1
Requires: libc.so.6()(64bit) libc.so.6(GLIBC_2.2.5)(64bit) libc.so.6(GLIBC_2.3)(64bit) libc.so.6(GLIBC_2.3.4)(64bit) libc.so.6(GLIBC_2.4)(64bit) libdl.so.2()(64bit) libdl.so.2(GLIBC_2.2.5)(64bit) libevent-1.1a.so.1()(64bit) libglib-2.0.so.0()(64bit) libm.so.6()(64bit) libm.so.6(GLIBC_2.2.5)(64bit) rtld(GNU_HASH)
Processing files: mysql-proxy-debuginfo-0.6.0-0
Requires(rpmlib): rpmlib(CompressedFileNames) <= 3.0.4-1 rpmlib(PayloadFilesHavePrefix) <= 4.0-1
Checking for unpackaged file(s): /usr/lib/rpm/check-files /home/vitalie/rpmbuild/tmp/mysql-proxy-0.6.0-0-root
Wrote: /home/vitalie/rpmbuild/SRPMS/mysql-proxy-0.6.0-0.src.rpm
Wrote: /home/vitalie/rpmbuild/RPMS/x86_64/mysql-proxy-0.6.0-0.x86_64.rpm
Wrote: /home/vitalie/rpmbuild/RPMS/x86_64/mysql-proxy-debuginfo-0.6.0-0.x86_64.rpm
Executing(%clean): /bin/sh -e /home/vitalie/rpmbuild/tmp/rpm-tmp.9187
 
[...]