find_library: checking for sf_open() in -lsndfile... -------------------- yes

"gcc -o conftest -I. -I/usr/lib/ruby/1.8/i486-linux  -Wall -g -O2  -fPIC conftest.c  -L"/usr/lib"      -lruby1.8-static -lsndfile  -lpthread -ldl -lcrypt -lm   -lc"
conftest.c: In function ‘t’:
conftest.c:4: warning: implicit declaration of function ‘sf_open’
checked program was:
/* begin */

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

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

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

"gcc -E -I. -I/usr/lib/ruby/1.8/i486-linux -I/usr/local/lib/site_ruby/1.8/i486-linux  -Wall -g -O2  -fPIC  conftest.c -o conftest.i"
checked program was:
/* begin */
#include <narray.h>
/* end */

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