/Users/cpanrun/depot/main/contrib-patched/perl/CPAN/src/Tk-PNG does not start with /Users/cpanrun/pristine/5.8.7/lib/site_perl/5.8.7/darwin-thread-multi-2level
i.e. building outside Tk itself
Checking if your kit is complete...
Looks good
Note (probably harmless): No library found for -lpng
Finding dependencies for PNG.xs
Finding dependencies for imgPNG.c
Cannot find 'png.h' assume made
Writing Makefile for Tk::PNG
cp PNG.pm blib/lib/Tk/PNG.pm
/Users/cpanrun/pristine/5.8.7/bin/perl /Users/cpanrun/pristine/5.8.7/lib/5.8.7/ExtUtils/xsubpp  -typemap /Users/cpanrun/pristine/5.8.7/lib/5.8.7/ExtUtils/typemap -typemap /Users/cpanrun/pristine/5.8.7/lib/site_perl/5.8.7/darwin-thread-multi-2level/Tk/typemap  PNG.xs > PNG.xsc && mv PNG.xsc PNG.c
gcc -c  -I/Users/cpanrun/pristine/5.8.7/lib/site_perl/5.8.7/darwin-thread-multi-2level/Tk -I/usr/local/include -I/usr/X11R6/include -fno-common -DPERL_DARWIN -no-cpp-precomp -arch ppc -arch i386 -nostdinc -B/Developer/SDKs/MacOSX10.4u.sdk/usr/include/gcc -B/Developer/SDKs/MacOSX10.4u.sdk/usr/lib/gcc -isystem/Developer/SDKs/MacOSX10.4u.sdk/usr/include -F/Developer/SDKs/MacOSX10.4u.sdk/System/Library/Frameworks -mmacosx-version-min=10.3 -DUSE_SITECUSTOMIZE -DNO_HASH_SEED -fno-strict-aliasing -pipe -O3   -DVERSION=\"2.005\" -DXS_VERSION=\"804.027\"  "-I/Users/cpanrun/pristine/5.8.7/lib/5.8.7/darwin-thread-multi-2level/CORE"   -Wall -Wno-implicit-int -Wno-comment -Wno-unused -D__USE_FIXED_PROTOTYPES__ PNG.c
make: *** No rule to make target `png.h', needed by `imgPNG.o'.  Stop.