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List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: emacs-devel-bounces+ged-emacs-devel=m.gmane-mx.org@gnu.org Original-Sender: emacs-devel-bounces+ged-emacs-devel=m.gmane-mx.org@gnu.org Xref: news.gmane.io gmane.emacs.devel:302510 Archived-At: commit 203ffc68468abaccfed7e8ee630d9aa143ce5dbf Author: Paul Eggert Date: Tue May 10 14:44:35 2022 -0700 Port libm configure-time test to Solaris 11.4 * configure.ac (LIB_MATH): Check all the math.h functions that Emacs uses, not just sqrt (Bug#55294). introduced a test for log2. But some versions of Android lack that function, being one major operating system to not support all of the C99 math functions. Does Emacs actually use log2 anywhere? Would people be nice enough to make future uses conditional under HAVE_LOG2? Thanks.