1. 2023-05-17 [11] AC_FUNC_MMAP lacks <unistd.h> include? autoconf- Paul Eggert 2. 2023-05-10 [1] [PATCH] Include unistd.h for getpagesize in AC_FUNC_M autoconf- Matt Turner 3. 2023-05-07 [2] [sr #110879] revert forcing/setting -std=gnu++11 by d autoconf- Jörn Heusipp