[Buildroot] [PATCH 1/1] package/glibc: fix include of syscalls.h for RISC-V architecture

[Yann E. MORIN]

Mark, All,

On 2019-01-02 14:17 +0000, Mark Corbin spake thusly:
> UAPI header file asm/syscalls.h has been merged into the UAPI
> asm/unistd.h header file for the RISC-V architecture in the
> 4.20 kernel. This causes the glibc 2.28 build to break.
> 
> This commit applies the upstream glibc patch for this issue.
> 
> Fixes:
>   http://autobuild.buildroot.net/results/8190eb74b2b97911e03671138487d747fcb22cba/
> 
> Signed-off-by: Mark Corbin <mark.corbin at embecosm.com>
> ---
>  .../0002-fix-syscalls-header-for-riscv.patch  | 67 +++++++++++++++++++
>  1 file changed, 67 insertions(+)
>  create mode 100644 package/glibc/glibc-2.28-50-gb8dd0f42780a3133c02f064a2c0c5c4e7ab61aaa/0002-fix-syscalls-header-for-riscv.patch
> 
> diff --git a/package/glibc/glibc-2.28-50-gb8dd0f42780a3133c02f064a2c0c5c4e7ab61aaa/0002-fix-syscalls-header-for-riscv.patch b/package/glibc/glibc-2.28-50-gb8dd0f42780a3133c02f064a2c0c5c4e7ab61aaa/0002-fix-syscalls-header-for-riscv.patch
> new file mode 100644
> index 0000000000..a740018e12
> --- /dev/null
> +++ b/package/glibc/glibc-2.28-50-gb8dd0f42780a3133c02f064a2c0c5c4e7ab61aaa/0002-fix-syscalls-header-for-riscv.patch
> @@ -0,0 +1,67 @@
[--SNIP--]
> +[Mark: patch retrieved from
> +https://sourceware.org/ml/libc-alpha/2018-12/msg00875.html]

I'd prefer you point to the git commit:
    https://sourceware.org/git/?p=glibc.git;a=commit;h=0b9c84906f653978fb8768c7ebd0ee14a47e662e

Regards,
Yann E. MORIN.

> +Signed-off-by: Mark Corbin <mark.corbin at embecosm.com>
> +---
> + sysdeps/unix/sysv/linux/riscv/flush-icache.c | 4 ++++
> + 1 file changed, 4 insertions(+)
> +
> +diff --git a/sysdeps/unix/sysv/linux/riscv/flush-icache.c b/sysdeps/unix/sysv/linux/riscv/flush-icache.c
> +index d612ef4c6c..d0ecec5107 100644
> +--- a/sysdeps/unix/sysv/linux/riscv/flush-icache.c
> ++++ b/sysdeps/unix/sysv/linux/riscv/flush-icache.c
> +@@ -21,7 +21,11 @@
> + #include <stdlib.h>
> + #include <atomic.h>
> + #include <sys/cachectl.h>
> ++#if __has_include__ (<asm/syscalls.h>)
> + #include <asm/syscalls.h>
> ++#else
> ++#include <asm/unistd.h>
> ++#endif
> + 
> + typedef int (*func_type) (void *, void *, unsigned long int);
> + 
> +-- 
> +2.19.2
> -- 
> 2.19.1
> 
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