have_library: checking for main() in -lc... -------------------- yes

"/usr/bin/gcc-4.2 -o conftest -I/opt/local/include -I. -I/Users/jim/Developer/.rvm/rubies/ree-1.8.7-2012.01/lib/ruby/1.8/i686-darwin11.3.0 -I.  -D_XOPEN_SOURCE -D_DARWIN_C_SOURCE   -g -O2  -pipe -fno-common   -O0 -Wall conftest.c  -L. -L/Users/jim/Developer/.rvm/rubies/ree-1.8.7-2012.01/lib -L.      -lruby-static -lc  -L/opt/local/lib -ldl -lobjc  "
ld: warning: directory not found for option '-L/opt/local/lib'
checked program was:
/* begin */
1: /*top*/
2: int main() { return 0; }
3: int t() { void ((*volatile p)()); p = (void ((*)()))main; return 0; }
/* end */

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