[oe] [meta-oe][PATCH] a2jmidid: Fix build on risv

[Khem Raj]

Fixes
../a2jmidid-8/sigsegv.c:102:39: error: no member named 'gregs' in 'struct mcontext_t'
|                 ucontext->uc_mcontext.gregs[i]
|                 ~~~~~~~~~~~~~~~~~~~~~ ^

Signed-off-by: Khem Raj <raj.khem at gmail.com>
---
 .../jack/a2jmidid/riscv_ucontext.patch        | 24 +++++++++++++++++++
 meta-oe/recipes-multimedia/jack/a2jmidid_8.bb |  1 +
 2 files changed, 25 insertions(+)
 create mode 100644 meta-oe/recipes-multimedia/jack/a2jmidid/riscv_ucontext.patch

diff --git a/meta-oe/recipes-multimedia/jack/a2jmidid/riscv_ucontext.patch b/meta-oe/recipes-multimedia/jack/a2jmidid/riscv_ucontext.patch
new file mode 100644
index 0000000000..23618f18a1
--- /dev/null
+++ b/meta-oe/recipes-multimedia/jack/a2jmidid/riscv_ucontext.patch
@@ -0,0 +1,24 @@
+Add riscv specific checks to choose correct gregs and context structure definitions
+
+Upstream-Status: Pending
+Signed-off-by: Khem Raj <raj.khem at gmail.com>
+--- a/sigsegv.c
++++ b/sigsegv.c
+@@ -91,7 +91,7 @@ static void signal_segv(int signum, sigi
+     a2j_error("info.si_errno = %d", info->si_errno);
+     a2j_error("info.si_code  = %d (%s)", info->si_code, si_codes[info->si_code]);
+     a2j_error("info.si_addr  = %p", info->si_addr);
+-#if !defined(__alpha__) && !defined(__ia64__) && !defined(__FreeBSD_kernel__) && !defined(__arm__) && !defined(__hppa__) && !defined(__sh__) && !defined(__aarch64__)
++#if !defined(__alpha__) && !defined(__ia64__) && !defined(__FreeBSD_kernel__) && !defined(__arm__) && !defined(__hppa__) && !defined(__sh__) && !defined(__aarch64__) && !defined(__riscv)
+     for(i = 0; i < NGREG; i++)
+         a2j_error("reg[%02d]       = 0x" REGFORMAT, i,
+ #if defined(__powerpc__)
+@@ -102,7 +102,7 @@ static void signal_segv(int signum, sigi
+                 ucontext->uc_mcontext.gregs[i]
+ #endif
+                 );
+-#endif /* alpha, ia64, kFreeBSD, arm, hppa aarch64 */
++#endif /* alpha, ia64, kFreeBSD, arm, hppa aarch64 riscv */
+ 
+ #if defined(SIGSEGV_STACK_X86) || defined(SIGSEGV_STACK_IA64)
+ # if defined(SIGSEGV_STACK_IA64)
diff --git a/meta-oe/recipes-multimedia/jack/a2jmidid_8.bb b/meta-oe/recipes-multimedia/jack/a2jmidid_8.bb
index 7dcaaf6828..a0aa412232 100644
--- a/meta-oe/recipes-multimedia/jack/a2jmidid_8.bb
+++ b/meta-oe/recipes-multimedia/jack/a2jmidid_8.bb
@@ -13,6 +13,7 @@ SRC_URI = " \
     http://download.gna.org/${BPN}/${BPN}-${PV}.tar.bz2 \
     file://0001-wscript-add-pthread-library-dependency-to-fix-linkin.patch \
     file://0002-aarch64.patch \
+    file://riscv_ucontext.patch \
 "
 SRC_URI[md5sum] = "9cf4edbc3ad2ddeeaf6c8c1791ff3ddd"
 SRC_URI[sha256sum] = "2a9635f62aabc59edb54ada07048dd47e896b90caff94bcee710d3582606f55f"
-- 
2.23.0