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

"clang -o conftest -I/Users/tee/.rubies/ruby-2.2.3/include/ruby-2.2.0/x86_64-darwin14 -I/Users/tee/.rubies/ruby-2.2.3/include/ruby-2.2.0/ruby/backward -I/Users/tee/.rubies/ruby-2.2.3/include/ruby-2.2.0 -I. -I/usr/local/include -I/Library/Frameworks/PROJ.framework/unix/include -I/usr/include -I/Users/tee/.rubies/ruby-2.2.3/include  -D_XOPEN_SOURCE -D_DARWIN_C_SOURCE -D_DARWIN_UNLIMITED_SELECT -D_REENTRANT    -O3 -Wno-error=shorten-64-to-32  -pipe conftest.c  -L/Users/tee/.rubies/ruby-2.2.3/lib -L/usr/local/lib -L/Library/Frameworks/PROJ.framework/unix/lib -L/usr/lib -L. -L/Users/tee/.rubies/ruby-2.2.3/lib -L. -L/Users/tee/.rubies/ruby-2.2.3/lib  -fstack-protector -L/usr/local/lib     -lruby-static -framework CoreFoundation  -lpthread -lgmp -ldl -lobjc "
checked program was:
/* begin */
1: #include "ruby.h"
2: 
3: int main(int argc, char **argv)
4: {
5:   return 0;
6: }
/* end */

"clang -E -I/Users/tee/.rubies/ruby-2.2.3/include/ruby-2.2.0/x86_64-darwin14 -I/Users/tee/.rubies/ruby-2.2.3/include/ruby-2.2.0/ruby/backward -I/Users/tee/.rubies/ruby-2.2.3/include/ruby-2.2.0 -I. -I/usr/local/include -I/Library/Frameworks/PROJ.framework/unix/include -I/usr/include -I/Users/tee/.rubies/ruby-2.2.3/include  -D_XOPEN_SOURCE -D_DARWIN_C_SOURCE -D_DARWIN_UNLIMITED_SELECT -D_REENTRANT    -O3 -Wno-error=shorten-64-to-32  -pipe  conftest.c -o conftest.i"
checked program was:
/* begin */
1: #include "ruby.h"
2: 
3: #include <proj_api.h>
/* end */

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

have_func: checking for pj_init_plus() in proj_api.h... -------------------- yes

"clang -o conftest -I/Users/tee/.rubies/ruby-2.2.3/include/ruby-2.2.0/x86_64-darwin14 -I/Users/tee/.rubies/ruby-2.2.3/include/ruby-2.2.0/ruby/backward -I/Users/tee/.rubies/ruby-2.2.3/include/ruby-2.2.0 -I. -I/usr/local/include -I/Library/Frameworks/PROJ.framework/unix/include -I/usr/include -I/Users/tee/.rubies/ruby-2.2.3/include  -D_XOPEN_SOURCE -D_DARWIN_C_SOURCE -D_DARWIN_UNLIMITED_SELECT -D_REENTRANT    -O3 -Wno-error=shorten-64-to-32  -pipe conftest.c  -L/Users/tee/.rubies/ruby-2.2.3/lib -L/usr/local/lib -L/Library/Frameworks/PROJ.framework/unix/lib -L/usr/lib -L. -L/Users/tee/.rubies/ruby-2.2.3/lib -L. -L/Users/tee/.rubies/ruby-2.2.3/lib  -fstack-protector -L/usr/local/lib     -lproj -lruby-static -framework CoreFoundation  -lproj -lpthread -lgmp -ldl -lobjc "
checked program was:
/* begin */
 1: #include "ruby.h"
 2: 
 3: #include <proj_api.h>
 4: 
 5: /*top*/
 6: extern int t(void);
 7: int main(int argc, char **argv)
 8: {
 9:   if (argc > 1000000) {
10:     printf("%p", &t);
11:   }
12: 
13:   return 0;
14: }
15: int t(void) { void ((*volatile p)()); p = (void ((*)()))pj_init_plus; return 0; }
/* end */

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