From 745c5c28c451e6160e905f6a3834917b9d9c5ae2 Mon Sep 17 00:00:00 2001
From: Christian Hergert <chergert@redhat.com>
Date: Mon, 17 Mar 2025 18:28:19 -0700
Subject: [PATCH] build: add check for asm/perf_regs.h

Related: #127
---
 config.h.meson                        | 2 ++
 meson.build                           | 4 ++++
 src/libsysprof/sysprof-user-sampler.c | 4 +++-
 3 files changed, 9 insertions(+), 1 deletion(-)

diff --git a/config.h.meson b/config.h.meson
index 48b3c2c2..e1c9bbf0 100644
--- a/config.h.meson
+++ b/config.h.meson
@@ -20,6 +20,8 @@
 
 #mesondefine HAVE_PERF_CLOCKID
 
+#mesondefine HAVE_PERF_REGS_H
+
 #mesondefine HAVE_POLKIT
 
 #mesondefine HAVE_POLKIT_AGENT
diff --git a/meson.build b/meson.build
index a118aa2b..3907354a 100644
--- a/meson.build
+++ b/meson.build
@@ -109,6 +109,10 @@ config_h.set10('HAVE_POLKIT_AGENT', polkit_agent_dep.found())
 polkit_dep = dependency('polkit-gobject-1', version: polkit_req_version, required: false)
 config_h.set10('HAVE_POLKIT', polkit_dep.found())
 
+if cc.has_header('asm/perf_regs.h')
+  config_h.set10('HAVE_PERF_REGS_H', true)
+endif
+
 if need_libsysprof
   libunwind_dep = dependency('libunwind-generic', required: true)
   config_h.set('ENABLE_LIBUNWIND', libunwind_dep.found())
diff --git a/src/libsysprof/sysprof-user-sampler.c b/src/libsysprof/sysprof-user-sampler.c
index 6079708e..4bccf7f5 100644
--- a/src/libsysprof/sysprof-user-sampler.c
+++ b/src/libsysprof/sysprof-user-sampler.c
@@ -25,7 +25,9 @@
 #include <sys/ioctl.h>
 #include <sys/eventfd.h>
 
-#include <asm/perf_regs.h>
+#ifdef HAVE_PERF_REGS_H
+# include <asm/perf_regs.h>
+#endif
 
 #include <glib/gstdio.h>