https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106102
--- Comment #7 from CVS Commits <cvs-commit at gcc dot gnu.org> --- The master branch has been updated by Sergei Trofimovich <sly...@gcc.gnu.org>: https://gcc.gnu.org/g:49d508065bdd36fb1a9b6aad9666b1edb5e06474 commit r13-1350-g49d508065bdd36fb1a9b6aad9666b1edb5e06474 Author: Sergei Trofimovich <siarh...@google.com> Date: Mon Jun 27 23:42:44 2022 +0100 jit: avoid calloc() poisoning on musl [PR106102] On musl <pthread.h> uses calloc() (via <sched.h>). jit/ includes it directly and exposes use of poisoned calloc(): /build/build/./prev-gcc/xg++ ... ../../gcc-13-20220626/gcc/jit/jit-playback.cc make[3]: *** [Makefile:1143: jit/libgccjit.o] Error 1 make[3]: *** Waiting for unfinished jobs.... In file included from /<<NIX>>/musl-1.2.3-dev/include/pthread.h:30, from ../../gcc-13-20220626/gcc/jit/jit-playback.cc:44: /<<NIX>>/musl-1.2.3-dev/include/sched.h:84:7: error: attempt to use poisoned "calloc" 84 | void *calloc(size_t, size_t); | ^ /<<NIX>>/musl-1.2.3-dev/include/sched.h:124:36: error: attempt to use poisoned "calloc" 124 | #define CPU_ALLOC(n) ((cpu_set_t *)calloc(1,CPU_ALLOC_SIZE(n))) | ^ The change moves <pthread.h> inclusion to "system.h" under new INCLUDE_PTHREAD_H guard and uses this mechanism in libgccjit. gcc/ PR c++/106102 * system.h: Introduce INCLUDE_PTHREAD_H macros to include <pthread.h>. gcc/jit/ PR c++/106102 * jit-playback.cc: Include <pthread.h> via "system.h" to avoid calloc() poisoning. * jit-recording.cc: Ditto. * libgccjit.cc: Ditto.