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* Properly quote AC_CHECK_DECLS' 4th argument.Bruno Haible2011-09-151-2/+2
* Declare system functions in a way that works with C++.Bruno Haible2011-07-221-3/+11
* maint: update almost all copyright ranges to include 2011Jim Meyering2011-01-011-1/+1
* Modernize AC_TRY_LINK invocations.Bruno Haible2010-08-261-17/+19
* logb: Provide missing declaration for Cygwin.Bruno Haible2010-03-081-0/+44