On 9/5/24 08:06, Milan P. Stanić wrote:
build fails on musl libc (alpine linux) with this error:
../util/cpuinfo-riscv.c: In function 'cpuinfo_init':
../util/cpuinfo-riscv.c:63:21: error: '__NR_riscv_hwprobe' undeclared (first
use in this function); did you mean 'riscv_hwprobe'?
63 | if (syscall(__NR_riscv_hwprobe, &pair, 1, 0, NULL, 0) == 0
| ^~~~~~~~~~~~~~~~~~
| riscv_hwprobe
../util/cpuinfo-riscv.c:63:21: note: each undeclared identifier is reported
only once for each function it appears in
ninja: subcommand failed
add '#include "asm/unistd.h"' to util/cpuinfo-riscv.c fixes build
Signed-off-by: Milan P. Stanić <m...@arvanta.net>
---
util/cpuinfo-riscv.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/util/cpuinfo-riscv.c b/util/cpuinfo-riscv.c
index 497ce12680..8cacc67645 100644
--- a/util/cpuinfo-riscv.c
+++ b/util/cpuinfo-riscv.c
@@ -9,6 +9,7 @@
#ifdef CONFIG_ASM_HWPROBE_H
#include <asm/hwprobe.h>
#include <sys/syscall.h>
+#include <asm/unistd.h>
I suppose this is ok, but...
For some reason musl processes asm/unistd.h at build-time to produce <bits/syscall.h>,
which is included by <sys/syscall.h>. This will be "fixed" the next time musl is rebuilt
against current kernel headers.
r~
