On Mar 30 14:02, Jeremy Drake via Cygwin wrote: > On Sun, 30 Mar 2025, Jeremy Drake via Cygwin wrote: > > > I tried to build cmake 4.0.0 with latest test gcc and cygwin packages, and > > got the following error > > > > /home/WDAGUtilityAccount/cmake-4.0.0/Utilities/cmcurl/lib/rand.c: In > > function ‘weak_random’: > > /home/WDAGUtilityAccount/cmake-4.0.0/Utilities/cmcurl/lib/rand.c:124:21: > > error: implicit declaration of function ‘arc4random’; did you mean > > ‘srandom’? [-Wimplicit-function-declaration] > > 124 | r = (unsigned int)arc4random(); > > | ^~~~~~~~~~ > > | srandom > > make[2]: *** [Utilities/cmcurl/lib/CMakeFiles/cmcurl.dir/build.make:1423: > > Utilities/cmcurl/lib/CMakeFiles/cmcurl.dir/rand.c.o] Error 1 > > make[2]: *** Waiting for unfinished jobs.... > > I kind of think > https://github.com/Kitware/CMake/blob/5978c57c20b762a5aeb4b00f31a51a090d670430/Utilities/cmcurl/CMakeLists.txt#L165 > should match "^(Linux|Cygwin)$"... Otherwise it doesn't get __BSD_VISIBLE > and > arc4random is not defined in the header (it looks for arc4random *symbol* > on > https://github.com/Kitware/CMake/blob/5978c57c20b762a5aeb4b00f31a51a090d670430/Utilities/cmcurl/CMakeLists.txt#L1982
Sounds right. It makes sense to define _GNU_SOURCE, probably. Corinna -- Problem reports: https://cygwin.com/problems.html FAQ: https://cygwin.com/faq/ Documentation: https://cygwin.com/docs.html Unsubscribe info: https://cygwin.com/ml/#unsubscribe-simple
