On OS X 10.6.5, download pcre from http://www.pcre.org/ and run ./configure
This creates a pcre.h file which you then need to copy to /usr/include
pecl install oauth should then work.
On OS X 10.6.5, download pcre from http://www.pcre.org/ and run ./configure
This creates a pcre.h file which you then need to copy to /usr/include
pecl install oauth should then work.