diff --git a/lib/libalpm/util.c b/lib/libalpm/util.c
index 06e0fe7f..a1d8968e 100644
--- a/lib/libalpm/util.c
+++ b/lib/libalpm/util.c
@@ -93,6 +93,11 @@ char *strsep(char **str, const char *delims)
 }
 #endif
 
+/* MSG_NOSIGNAL is not defined on macOS before Big Sur */
+#ifndef MSG_NOSIGNAL
+#define MSG_NOSIGNAL 0
+#endif
+
 int _alpm_makepath(const char *path)
 {
 	return _alpm_makepath_mode(path, 0755);
diff --git a/meson.build b/meson.build
index c8ee42fd..de333608 100644
--- a/meson.build
+++ b/meson.build
@@ -182,7 +182,8 @@ foreach type : [
   endif
 endforeach
 
-if conf.has('HAVE_STRUCT_STATVFS_F_FLAG')
+os = host_machine.system()
+if conf.has('HAVE_STRUCT_STATVFS_F_FLAG') and not os.startswith('darwin')
   conf.set('FSSTATSTYPE', 'struct statvfs')
 elif conf.has('HAVE_STRUCT_STATFS_F_FLAGS')
   conf.set('FSSTATSTYPE', 'struct statfs')
@@ -242,7 +243,6 @@ if file_seccomp.enabled() or ( file_seccomp.auto() and filever.version_compare('
   filecmd = 'file -S'
 endif
 
-os = host_machine.system()
 if os.startswith('darwin')
   inodecmd = '/usr/bin/stat -f \'%i %N\''
   strip_binaries = ''