have_header: checking for zlib.h... -------------------- yes

"gcc -E -I/usr/local/lib/ruby/1.8 -I/usr/local/lib/ruby/1.8/universal-darwin8.0 -I. -I./include -IDvector -IDvector/include -IDtable -IDtable/include -IFlate -IFlate/include -IFunction -IFunction/include  -g -O2  -fno-common -pipe -fno-common -O2 -g -Wall -Werror-implicit-function-declaration  conftest.c -o conftest.i"
./mkmf2.rb:1435: warning: Insecure world writable dir /Applications/ImageMagick-6.2.8/bin in PATH, mode 040777
checked program was:
/* begin */
#include <zlib.h>
/* end */

--------------------

have_library: checking for compress() in -lz... -------------------- no

"gcc -o conftest $INCFLAGS conftest.c  -I$hdrdir  -g -O2  -fno-common -pipe -fno-common -O2 -g -Wall -Werror-implicit-function-declaration $src $LIBPATH   -arch i386   -lpthread -ldl -lobjc   -lz"
cc1: error: unrecognized command line option "-arch"
checked program was:
/* begin */
#include <zlib.h>

/*top*/
int main() { return 0; }
int t() { compress(); return 0; }
/* end */

"gcc -o conftest $INCFLAGS conftest.c  -I$hdrdir  -g -O2  -fno-common -pipe -fno-common -O2 -g -Wall -Werror-implicit-function-declaration $src $LIBPATH   -arch i386   -lpthread -ldl -lobjc   -lz"
cc1: error: unrecognized command line option "-arch"
checked program was:
/* begin */
#include <zlib.h>

/*top*/
int main() { return 0; }
int t() { void ((*volatile p)()); p = (void ((*)()))compress; return 0; }
/* end */

--------------------