diff --git a/common/environment/autoconf_cache/common-glibc b/common/environment/autoconf_cache/common-glibc
index 8329bb3e15a..3518bce6f02 100644
--- a/common/environment/autoconf_cache/common-glibc
+++ b/common/environment/autoconf_cache/common-glibc
@@ -14,6 +14,9 @@ ac_cv_func_posix_getpwuid_r=${ac_cv_func_posix_getpwuid_r=yes}
 ac_cv_func_posix_getgrgid_r=${ac_cv_func_posix_getgrgid_r=yes}
 ac_cv_type_uid_t={ac_cv_type_uid_t=yes}
 ac_cv_func_getaddrinfo=${ac_cv_func_getaddrinfo=yes}
+ac_cv_func_strdup=yes
+ac_cv_func_fork=yes
+ac_cv_func_fork_works=yes
 
 # bash
 bash_cv_under_sys_siglist=${bash_cv_under_sys_siglist=yes}