use ExtUtils::MakeMaker; # See lib/ExtUtils/MakeMaker.pm for details of how to influence # the contents of the Makefile that is written. my $libs = '-L/usr/X11R6/lib -lX11 -lgdk'; $libs .= ' -lrpm -ldb1 -lz' if $ENV{C_RPM}; WriteMakefile( 'NAME' => 'c', 'OPTIMIZE' => '-Os', 'VERSION_FROM' => 'c.pm', # finds $VERSION 'LIBS' => [$libs], # e.g., '-lm' 'DEFINE' => '', # e.g., '-DHAVE_SOMETHING' 'INC' => '-I/usr/include/rpm `gtk-config --cflags`', # e.g., '-I/usr/include/other' );