git: 20be7288a21a - main - multimedia/aom: unbreak build on riscv64

From: Jan Beich <jbeich_at_FreeBSD.org>
Date: Sun, 12 Oct 2025 21:18:15 UTC
The branch main has been updated by jbeich:

URL: https://cgit.FreeBSD.org/ports/commit/?id=20be7288a21a009d8bc07187a7fb87cafd04283a

commit 20be7288a21a009d8bc07187a7fb87cafd04283a
Author:     Jan Beich <jbeich@FreeBSD.org>
AuthorDate: 2025-10-12 13:38:25 +0000
Commit:     Jan Beich <jbeich@FreeBSD.org>
CommitDate: 2025-10-12 21:16:56 +0000

    multimedia/aom: unbreak build on riscv64
    
    ld: error: undefined symbol: getauxval
    >>> referenced by riscv_cpudetect.c
    >>>               CMakeFiles/aom_ports.dir/aom_ports/riscv_cpudetect.c.o:(riscv_simd_caps)
    
    PR:             290172
    Reported by:    Rich Dunkle
---
 .../aom/files/patch-aom__ports_riscv__cpudetect.c  | 25 ++++++++++++++++++++++
 1 file changed, 25 insertions(+)

diff --git a/multimedia/aom/files/patch-aom__ports_riscv__cpudetect.c b/multimedia/aom/files/patch-aom__ports_riscv__cpudetect.c
new file mode 100644
index 000000000000..620b4948ebf7
--- /dev/null
+++ b/multimedia/aom/files/patch-aom__ports_riscv__cpudetect.c
@@ -0,0 +1,25 @@
+- Implement runtime detection on FreeBSD
+
+--- aom_ports/riscv_cpudetect.c.orig	2025-09-05 22:10:37 UTC
++++ aom_ports/riscv_cpudetect.c
+@@ -23,6 +23,20 @@
+ 
+ #define HWCAP_RVV (1 << ('v' - 'a'))
+ 
++#if defined(__FreeBSD__)
++static unsigned long getauxval(unsigned long type)
++{
++    /* Only AT_HWCAP* return unsigned long */
++    if (type != AT_HWCAP && type != AT_HWCAP2) {
++        return 0;
++    }
++
++    unsigned long ret = 0;
++    elf_aux_info(type, &ret, sizeof(ret));
++    return ret;
++}
++#endif
++
+ int riscv_simd_caps(void) {
+   int flags = 0;
+ #if HAVE_RVV