gentoo-overlay/sys-apps/systemd-tmpfiles/files/systemd-tmpfiles-246-musl-mallinfo.patch

--- a/meson.build	2021-05-13 20:47:21.487670275 +0000
+++ b/meson.build	2021-05-13 20:53:12.977688147 +0000
@@ -542,6 +542,12 @@ else
         conf.set10('HAVE_GETRANDOM', have)
 endif
 
+if cc.has_function('mallinfo', prefix : '''#include <malloc.h>''')
+        conf.set10('HAVE_MALLINFO', true)
+else
+        conf.set10('HAVE_MALLINFO', false)
+endif
+
 #####################################################################
 
 vcs_tagger = [project_source_root + '/tools/meson-vcs-tag.sh',
--- a/src/basic/selinux-util.c	2021-05-13 20:17:47.044246714 +0000
+++ b/src/basic/selinux-util.c	2021-05-13 21:00:56.591045053 +0000
@@ -75,9 +75,13 @@ void mac_selinux_retest(void) {
 int mac_selinux_init(void) {
 #if HAVE_SELINUX
         usec_t before_timestamp, after_timestamp;
+#if defined (__GLIBC__) && defined (HAVE_MALLINFO)
         struct mallinfo before_mallinfo, after_mallinfo;
+#endif
         char timespan[FORMAT_TIMESPAN_MAX];
+#ifdef HAVE_MALLINFO
         int l;
+#endif
 
         selinux_set_callback(SELINUX_CB_POLICYLOAD, (union selinux_callback) mac_selinux_reload);
 
@@ -87,7 +91,9 @@ int mac_selinux_init(void) {
         if (!mac_selinux_use())
                 return 0;
 
+#if defined (__GLIBC__) && defined (HAVE_MALLINFO)
         before_mallinfo = mallinfo();
+#endif
         before_timestamp = now(CLOCK_MONOTONIC);
 
         label_hnd = selabel_open(SELABEL_CTX_FILE, NULL, 0);
@@ -95,6 +101,7 @@ int mac_selinux_init(void) {
                 return log_enforcing_errno(errno, "Failed to initialize SELinux labeling handle: %m");
 
         after_timestamp = now(CLOCK_MONOTONIC);
+#if defined (__GLIBC__) && defined (HAVE_MALLINFO)
         after_mallinfo = mallinfo();
 
         l = after_mallinfo.uordblks > before_mallinfo.uordblks ? after_mallinfo.uordblks - before_mallinfo.uordblks : 0;
@@ -102,6 +109,10 @@ int mac_selinux_init(void) {
         log_debug("Successfully loaded SELinux database in %s, size on heap is %iK.",
                   format_timespan(timespan, sizeof(timespan), after_timestamp - before_timestamp, 0),
                   (l+1023)/1024);
+#else
+        log_debug("Successfully loaded SELinux database in %s",
+                  format_timespan(timespan, sizeof(timespan), after_timestamp - before_timestamp, 0));
+#endif
 
 #endif
         return 0;