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author | H.J. Lu <hjl.tools@gmail.com> | 2018-12-31 09:26:42 -0800 |
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committer | H.J. Lu <hjl.tools@gmail.com> | 2018-12-31 09:26:56 -0800 |
commit | 0b9c84906f653978fb8768c7ebd0ee14a47e662e (patch) | |
tree | 4a422ab1cbf0c6af54b6fa96549a9d838521d003 /stdlib | |
parent | 01047fa6d066fdfe44d36042fe9bd033bda64d70 (diff) | |
download | glibc-0b9c84906f653978fb8768c7ebd0ee14a47e662e.tar.gz glibc-0b9c84906f653978fb8768c7ebd0ee14a47e662e.tar.xz glibc-0b9c84906f653978fb8768c7ebd0ee14a47e662e.zip |
riscv: Use __has_include__ to include <asm/syscalls.h> [BZ #24022]
<asm/syscalls.h> has been removed by commit 27f8899d6002e11a6e2d995e29b8deab5aa9cc25 Author: David Abdurachmanov <david.abdurachmanov@gmail.com> Date: Thu Nov 8 20:02:39 2018 +0100 riscv: add asm/unistd.h UAPI header Marcin Juszkiewicz reported issues while generating syscall table for riscv using 4.20-rc1. The patch refactors our unistd.h files to match some other architectures. - Add asm/unistd.h UAPI header, which has __ARCH_WANT_NEW_STAT only for 64-bit - Remove asm/syscalls.h UAPI header and merge to asm/unistd.h - Adjust kernel asm/unistd.h So now asm/unistd.h UAPI header should show all syscalls for riscv. <asm/syscalls.h> may be restored by Subject: [PATCH] riscv: restore asm/syscalls.h UAPI header Date: Tue, 11 Dec 2018 09:09:35 +0100 UAPI header asm/syscalls.h was merged into UAPI asm/unistd.h header, which did resolve issue with missing syscalls macros resulting in glibc (2.28) build failure. It also broke glibc in a different way: asm/syscalls.h is being used by glibc. I noticed this while doing Fedora 30/Rawhide mass rebuild. The patch returns asm/syscalls.h header and incl. it into asm/unistd.h. I plan to send a patch to glibc to use asm/unistd.h instead of asm/syscalls.h In the meantime, we use __has_include__, which was added to GCC 5, to check if <asm/syscalls.h> exists before including it. Tested with build-many-glibcs.py for riscv against kernel 4.19.12 and 4.20-rc7. [BZ #24022] * sysdeps/unix/sysv/linux/riscv/flush-icache.c: Check if <asm/syscalls.h> exists with __has_include__ before including it.
Diffstat (limited to 'stdlib')
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