https://gcc.gnu.org/bugzilla/show_bug.cgi?id=105525
Bug ID: 105525 Summary: some targets don't define __INTPTR_TYPE__ breaking libgcov-driver.c Product: gcc Version: 12.1.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: target Assignee: unassigned at gcc dot gnu.org Reporter: mikpelinux at gmail dot com Target Milestone: --- Attempting to build a gcc-12.1.0 based cross-compiler to lm32-uclinux-uclibc or vax-unknown-linux fails with /mnt/scratch/cross/sources/gcc-12.1.0/libgcc/libgcov-driver.c: In function 'write_topn_counters': /mnt/scratch/cross/sources/gcc-12.1.0/libgcc/libgcov-driver.c:457:56: error: '__INTPTR_TYPE__' undeclared (first use in this function); did you mean 'INTPTR_TYPE'? 457 | for (struct gcov_kvp *node = (struct gcov_kvp *)(__INTPTR_TYPE__)start; | ^~~~~~~~~~~~~~~ | INTPTR_TYPE /mnt/scratch/cross/sources/gcc-12.1.0/libgcc/libgcov-driver.c:457:56: note: each undeclared identifier is reported only once for each function it appears in /mnt/scratch/cross/sources/gcc-12.1.0/libgcc/libgcov-driver.c:457:72: error: expected ',' or ';' before 'start' 457 | for (struct gcov_kvp *node = (struct gcov_kvp *)(__INTPTR_TYPE__)start; | ^~~~~ /mnt/scratch/cross/sources/gcc-12.1.0/libgcc/libgcov-driver.c:454:17: warning: unused variable 'start' [-Wunused-variable] 454 | gcov_type start = ci_ptr->values[GCOV_TOPN_MEM_COUNTERS * i + 2]; | ^~~~~ /mnt/scratch/cross/sources/gcc-12.1.0/libgcc/libgcov-driver.c:476:72: error: expected ',' or ';' before 'start' 476 | for (struct gcov_kvp *node = (struct gcov_kvp *)(__INTPTR_TYPE__)start; | ^~~~~ /mnt/scratch/cross/sources/gcc-12.1.0/libgcc/libgcov-driver.c:473:17: warning: unused variable 'start' [-Wunused-variable] 473 | gcov_type start = ci_ptr->values[GCOV_TOPN_MEM_COUNTERS * i + 2]; | ^~~~~ make[2]: *** [Makefile:928: _gcov_info_to_gcda.o] Error 1 make[2]: Leaving directory '/mnt/scratch/cross/objdir-vax-gcc/vax-unknown-linux/libgcc' make[1]: *** [Makefile:12928: all-target-libgcc] Error 2 make[1]: Leaving directory '/mnt/scratch/cross/objdir-vax-gcc' make: *** [Makefile:1012: all] Error 2 These builds work with gcc-11.3.0, so it's a regression. I haven't bisected but I believe this started with: 2021-08-06 Sebastian Huber <sebastian.hu...@embedded-brains.de> * libgcov-driver.c (#include <stdint.h>): Remove. (write_topn_counters): Use __INTPTR_TYPE__ instead of intptr_t. However, a deeper question is _why_ don't these two targets define __INTPTR_TYPE__ when so many others do? I suspect that's the real bug here. Workarounds: revert to gcc-11.3.0, or build gcc-12.1.0 with --disable-gcov.