--- a/auto/os/conf	2019-10-31 17:17:33.194445276 +0100
+++ b/auto/os/conf	2019-10-31 17:19:51.780033224 +0100
@@ -21,7 +21,7 @@
     Linux)
         nxt_have=NXT_LINUX . auto/have
 
-        NXT_STATIC_LINK="ar -r -c"
+        NXT_STATIC_LINK="\$(AR) -r -c"
         NXT_SHARED_LINK="\$(CC) -shared -Wl,-soname,libnxt.so"
         NXT_SHARED_LOCAL_LINK="\$(CC) -shared \
                                -Wl,-soname,\\\$\$ORIGIN/libnxt.so"
@@ -44,7 +44,7 @@
     FreeBSD)
         nxt_have=NXT_FREEBSD . auto/have
 
-        NXT_STATIC_LINK="ar -r -c"
+        NXT_STATIC_LINK="\$(AR) -r -c"
         NXT_SHARED_LINK="\$(CC) -shared -Wl,-soname,libnxt.so"
         NXT_SHARED_LOCAL_LINK="\$(CC) -shared \
                                -Wl,-soname,\\\$\$ORIGIN/libnxt.so"
@@ -71,14 +71,14 @@
         case "$NXT_CC_NAME" in
 
             SunC):
-                NXT_STATIC_LINK="ar -r -c"
+                NXT_STATIC_LINK="\$(AR) -r -c"
                 NXT_SHARED_LINK="\$(CC) -G -h libnxt.so"
                 NXT_SHARED_LOCAL_LINK="\$(CC) -G -h \\\$\$ORIGIN/libnxt.so"
                 NXT_MODULE_LINK="\$(CC) -G"
             ;;
 
             *)
-                NXT_STATIC_LINK="ar -r -c"
+                NXT_STATIC_LINK="\$(AR) -r -c"
                 NXT_SHARED_LINK="\$(CC) -shared -Wl,-soname,libnxt.so"
                 NXT_SHARED_LOCAL_LINK="\$(CC) -shared \
                                        -Wl,-soname,\\\$\$ORIGIN/libnxt.so"
@@ -106,7 +106,7 @@
         # HFS+ volumes are caseless by default.
         nxt_have=NXT_HAVE_CASELESS_FILESYSTEM . auto/have
 
-        NXT_STATIC_LINK="ar -r -c"
+        NXT_STATIC_LINK="\$(AR) -r -c"
         NXT_SHARED_LINK="\$(CC) -dynamiclib"
         NXT_SHARED_LOCAL_LINK="\$(CC) -dynamiclib \
                                -install_name @executable_path/libnxt.dylib"
@@ -130,7 +130,7 @@
     NetBSD)
         nxt_have=NXT_NETBSD . auto/have
 
-        NXT_STATIC_LINK="ar -r -c"
+        NXT_STATIC_LINK="\$(AR) -r -c"
         NXT_SHARED_LINK="\$(CC) -shared"
         NXT_SHARED_LOCAL_LINK="\$(CC) -shared"
         NXT_MODULE_LINK="\$(CC) -shared"
@@ -152,7 +152,7 @@
     OpenBSD)
         nxt_have=NXT_OPENBSD . auto/have
 
-        NXT_STATIC_LINK="ar -r -c"
+        NXT_STATIC_LINK="\$(AR) -r -c"
         NXT_SHARED_LINK="\$(CC) -shared"
         NXT_SHARED_LOCAL_LINK="\$(CC) -shared"
         NXT_MODULE_LINK="\$(CC) -shared"
@@ -174,7 +174,7 @@
     DragonFly)
         nxt_have=NXT_DRAGONFLY . auto/have
 
-        NXT_STATIC_LINK="ar -r -c"
+        NXT_STATIC_LINK="\$(AR) -r -c"
         NXT_SHARED_LINK="\$(CC) -shared"
         NXT_SHARED_LOCAL_LINK="\$(CC) -shared"
         NXT_MODULE_LINK="\$(CC) -shared"
@@ -196,7 +196,7 @@
     AIX)
         nxt_have=NXT_AIX . auto/have
 
-        NXT_STATIC_LINK="ar -r -c"
+        NXT_STATIC_LINK="\$(AR) -r -c"
         NXT_SHARED_LINK="\$(CC) -G"
         NXT_SHARED_LOCAL_LINK="\$(CC) -G"
         NXT_MODULE_LINK="\$(CC) -G"
@@ -220,7 +220,7 @@
         NXT_EXEC_LINK="\$(CC)"
         NXT_SHARED_LOCAL_EXEC_LINK=
 
-        NXT_STATIC_LINK="ar -r -c"
+        NXT_STATIC_LINK="\$(AR) -r -c"
         NXT_SHARED_LINK="\$(CC) -shared"
         NXT_SHARED_LOCAL_LINK="\$(CC) -shared"
         NXT_MODULE_LINK="\$(CC) -shared"
@@ -238,7 +238,7 @@
     QNX)
         nxt_have=NXT_QNX . auto/have
 
-        NXT_STATIC_LINK="ar -r -c"
+        NXT_STATIC_LINK="\$(AR) -r -c"
         NXT_SHARED_LINK="\$(CC) -shared"
         NXT_SHARED_LOCAL_LINK="\$(CC) -shared"
         NXT_MODULE_LINK="\$(CC) -shared"
@@ -257,7 +257,7 @@
     ;;
 
     *)
-        NXT_STATIC_LINK="ar -r -c"
+        NXT_STATIC_LINK="\$(AR) -r -c"
         NXT_SHARED_LINK="\$(CC) -shared"
         NXT_SHARED_LOCAL_LINK="\$(CC) -shared"
         NXT_MODULE_LINK="\$(CC) -shared"