preloadNSS: detect glibc

Signed-off-by: Arthur Gautier <baloo@superbaloo.net>
2021-10-15 02:59:00 +00:00
parent d1da45855c
commit 85717eff15
1 changed files with 5 additions and 0 deletions
@@ -15,9 +15,12 @@
 #include <sys/stat.h>
 #include <unistd.h>
 #include <signal.h>
+#include <features.h>
+#ifdef __GLIBC__
 #include <gnu/lib-names.h>
 #include <nss.h>
 #include <dlfcn.h>
+#endif

 #include <openssl/crypto.h>

@@ -121,8 +124,10 @@ static void preloadNSS() {
       been loaded in the parent. So we force a lookup of an invalid domain to force the NSS machinery to
       load its lookup libraries in the parent before any child gets a chance to. */
    std::call_once(dns_resolve_flag, []() {
+#ifdef __GLIBC__
        dlopen (LIBNSS_DNS_SO, RTLD_NOW);
        __nss_configure_lookup ("hosts", "dns");
+#endif
    });
 }