Improve feature detection.
authorbmeurer@chromium.org <bmeurer@chromium.org@ce2b1a6d-e550-0410-aec6-3dcde31c8c00>
Fri, 30 Aug 2013 12:09:50 +0000 (12:09 +0000)
committerbmeurer@chromium.org <bmeurer@chromium.org@ce2b1a6d-e550-0410-aec6-3dcde31c8c00>
Fri, 30 Aug 2013 12:09:50 +0000 (12:09 +0000)
commitd4ff9ce39fe434ccc52a7ae5ba695a646eb659a4
tree2ed3b2d898afd3582681aa14132cfc257820b6a7
parent7669decc416f5defc942642b03393d48f73b7438
Improve feature detection.

Add V8_GLIBC_PREREQ() macro to test the version of the GNU C library.
Make V8_GNUC_PREREQ() work for compilers that masquerade as GCC (you
can always use V8_CC_* to test for a specific one if you need to).
Add V8_LIBC_* to detect the C library in use.

R=svenpanne@chromium.org

Review URL: https://codereview.chromium.org/23717009

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@16450 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
include/v8config.h