[rpms/retsnoop] rawhide: Apply libbpf ppc64le fix; Fixes: rhbz#2402550

[rpms/retsnoop] rawhide: Apply libbpf ppc64le fix; Fixes: rhbz#2402550

[Michel Lind]

            A new commit has been pushed.

            Repo   : rpms/retsnoop
            Branch : rawhide
            Commit : 9f40a664ae25a3b5115428ed89a75c429c99a032
            Author : Michel Lind <salimma@fedoraproject.org>
            Date   : 2026-07-22T13:05:18+01:00
            Stats  : +17/-3 in 2 file(s)
            URL    : https://src.fedoraproject.org/rpms/retsnoop/c/9f40a664ae25a3b5115428ed89a75c429c99a032?branch=rawhide

            Log:
            Apply libbpf ppc64le fix; Fixes: rhbz#2402550

Signed-off-by: Michel Lind <salimma@fedoraproject.org>

---
diff --git a/libbpf-fix-ppc-stack-reg-definition.diff b/libbpf-fix-ppc-stack-reg-definition.diff
new file mode 100644
index 0000000..2307050
--- /dev/null
+++ b/libbpf-fix-ppc-stack-reg-definition.diff
@@ -0,0 +1,13 @@
+diff --git a/src/bpf_tracing.h b/src/bpf_tracing.h
+index a8f6cd484..dbe32a5d0 100644
+--- a/src/bpf_tracing.h
++++ b/src/bpf_tracing.h
+@@ -311,7 +311,7 @@ struct pt_regs___arm64 {
+ #define __PT_RET_REG regs[31]
+ #define __PT_FP_REG __unsupported__
+ #define __PT_RC_REG gpr[3]
+-#define __PT_SP_REG sp
++#define __PT_SP_REG gpr[1]
+ #define __PT_IP_REG nip
+ 
+ #elif defined(bpf_target_sparc)

diff --git a/retsnoop.spec b/retsnoop.spec
index 7f657b0..76d484a 100644
--- a/retsnoop.spec
+++ b/retsnoop.spec
@@ -47,15 +47,15 @@ Source3:        README.Fedora
 # (Without changes to Cargo.lock)
 Patch:          retsnoop-0.11-gimli-0.32-etc.patch
 
+# needs to be applied after we unpack libbpf
+Source4:        https://github.com/libbpf/libbpf/commit/99bf90957ae767842646effa29da8c9a9ecdb696.diff#/libbpf-fix-ppc-stack-reg-definition.diff
+
 # has a Rust component
 ExclusiveArch:  %{rust_arches}
 # bpftool not compiling on ix86
 # we don't ship 32-bit binaries anyway, but it'd be good to test compilation
 # once this is fixed https://github.com/libbpf/bpftool/issues/158
 ExcludeArch:    %{ix86}
-# retsnoop 0.11 FTBFS on ppc64le
-# rhbz#2402550
-ExcludeArch:    ppc64le
 
 BuildRequires:  cargo-rpm-macros >= 24
 BuildRequires:  clang
@@ -90,6 +90,7 @@ mv libbpf-%{libbpf_commit} libbpf
 mv libbpf/LICENSE libbpf-LICENSE
 mv libbpf/LICENSE.BSD-2-Clause  libbpf-LICENSE.BSD-2-Clause
 mv libbpf/LICENSE.LGPL-2.1 libbpf-LICENSE.LGPL-2.1
+(cd libbpf && cat %{SOURCE4} | patch -p1)
 
 # README.Fedora
 cp -p %{SOURCE3} .