diff --git a/auto/lib/openssl/conf b/auto/lib/openssl/conf
index c8c47e2..0370fe0 100644
--- a/auto/lib/openssl/conf
+++ b/auto/lib/openssl/conf
@@ -36,6 +36,12 @@
         if [ $ngx_found = yes ]; then
             CORE_LIBS="$CORE_LIBS $ngx_feature_libs"
             OPENSSL=YES
+
+            case "$NGX_SYSTEM" in
+                SunOS)
+                    CORE_LIBS="$CORE_LIBS -ldl"
+                ;;
+            esac
         fi
 
     fi
diff --git a/auto/lib/pcre/conf b/auto/lib/pcre/conf
index 1b79f94..946b26e 100644
--- a/auto/lib/pcre/conf
+++ b/auto/lib/pcre/conf
@@ -17,7 +17,7 @@
             CORE_LIBS="$CORE_LIBS $PCRE/pcre.lib"
         ;;
 
-        icc*)
+        icc* | sunc )
             have=NGX_PCRE . auto/have
             CORE_DEPS="$CORE_DEPS $PCRE/pcre.h"