TS-2: Work on making configure.ac usable. * configure.ac: Don't error out if we can't find that ancient db185 symbol. * configure.ac: Check for various headers. * libinktomi++/ink_platform.h: Use HAVE_ defines to detect if a header is available, rather than looking for specific operating systems.
TS-2: Work on making configure.ac usable.
* configure.ac: Don't error out if we can't find that ancient db185 symbol.
* configure.ac: Check for various headers.
* libinktomi++/ink_platform.h: Use HAVE_ defines to detect if a header is available, rather than looking for specific operating systems.

git-svn-id: 11ff81c84d71c97d59f0b546ffb43e5587931ee3@884766 13f79535-47bb-0310-9956-ffa450edef68

chenglongwei/trafficserver,clearswift/trafficserver,chenglongwei/trafficserver,dyrock/trafficserver,taoyunxing/trafficserver,davidbz/trafficserver,dyrock/trafficserver,rahmalik/trafficserver,dyrock/trafficserver,rahmalik/trafficserver,vmamidi/trafficserver,dyrock/trafficserver,PSUdaemon/trafficserver,rpufky/trafficserver,PSUdaemon/trafficserver,PSUdaemon/trafficserver,reveller/trafficserver,SolidWallOfCode/trafficserver,pbchou/trafficserver,persiaAziz/trafficserver,reveller/trafficserver,chitianhao/trafficserver,pbchou/trafficserver,clearswift/trafficserver,clearswift/trafficserver,chitianhao/trafficserver,SolidWallOfCode/trafficserver,chitianhao/trafficserver,dyrock/trafficserver,davidbz/trafficserver,dyrock/trafficserver,chenglongwei/trafficserver,persiaAziz/trafficserver,taoyunxing/trafficserver,clearswift/trafficserver,SolidWallOfCode/trafficserver,clearswift/trafficserver,chitianhao/trafficserver,dyrock/trafficserver,bryancall/trafficserver,pbchou/trafficserver,reveller/trafficserver,chenglongwei/trafficserver,duke8253/trafficserver,reveller/trafficserver,rahmalik/trafficserver,rpufky/trafficserver,reveller/trafficserver,pbchou/trafficserver,duke8253/trafficserver,duke8253/trafficserver,clearswift/trafficserver,rpufky/trafficserver,bryancall/trafficserver,taoyunxing/trafficserver,davidbz/trafficserver,rahmalik/trafficserver,vmamidi/trafficserver,taoyunxing/trafficserver,persiaAziz/trafficserver,duke8253/trafficserver,PSUdaemon/trafficserver,reveller/trafficserver,bryancall/trafficserver,persiaAziz/trafficserver,rahmalik/trafficserver,rahmalik/trafficserver,clearswift/trafficserver,PSUdaemon/trafficserver,taoyunxing/trafficserver,reveller/trafficserver,chenglongwei/trafficserver,bryancall/trafficserver,bryancall/trafficserver,duke8253/trafficserver,rahmalik/trafficserver,persiaAziz/trafficserver,rpufky/trafficserver,davidbz/trafficserver,SolidWallOfCode/trafficserver,chenglongwei/trafficserver,clearswift/trafficserver,chenglongwei/trafficserver,pbchou/trafficserver,rpufky/trafficserver,taoyunxing/trafficserver,vmamidi/trafficserver,SolidWallOfCode/trafficserver,SolidWallOfCode/trafficserver,duke8253/trafficserver,taoyunxing/trafficserver,rpufky/trafficserver,rpufky/trafficserver,persiaAziz/trafficserver,davidbz/trafficserver,chenglongwei/trafficserver,persiaAziz/trafficserver,bryancall/trafficserver,rahmalik/trafficserver,vmamidi/trafficserver,PSUdaemon/trafficserver,persiaAziz/trafficserver,vmamidi/trafficserver,davidbz/trafficserver,reveller/trafficserver,pbchou/trafficserver,rpufky/trafficserver,taoyunxing/trafficserver,vmamidi/trafficserver,clearswift/trafficserver,duke8253/trafficserver,chitianhao/trafficserver,PSUdaemon/trafficserver,reveller/trafficserver,rahmalik/trafficserver,PSUdaemon/trafficserver,PSUdaemon/trafficserver,chitianhao/trafficserver,chitianhao/trafficserver,rpufky/trafficserver,SolidWallOfCode/trafficserver,taoyunxing/trafficserver