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Author SHA1 Message Date
Alexandre "kAworu" Perrin cc08f45304 test for __builtin_clz() and fallback to an inline implementation. 
__builtin_clz() is not defined by gcc prior to 3.4 and maybe not for some other
compiler vendors.

Signed-off-by: Uli Schlachter <psychon@znc.in>
 2010-10-11 20:42:03 +02:00
Alexandre "kAworu" Perrin 8ddc77eeb9 awesomeConfig: test for execinfo.h/backtrace() 
add a test for execinfo.h and backtrace() function which are defined by
GNU libc. If it fails, require libexecinfo.

Signed-off-by: Julien Danjou <julien@danjou.info>
 2009-10-27 09:33:08 +01:00