Merge with upstream from oracle.

Signed-off-by: Bigous <bigous@gmail.com>

binding.gyp

@@ -51,6 +51,20 @@
         }
       }
     ],
+    [
+      'OS=="aix"', {
+        "variables" : {
+          "oci_inc_dir%" : '<!(echo ${OCI_INC_DIR:="/opt/oracle/instantclient_12_1/sdk/include/"})',
+          "oci_lib_dir%" : '<!(echo ${OCI_LIB_DIR:="/opt/oracle/instantclient_12_1/"})',
+          },
+          "libraries"     : ["-lclntsh"],
+          "cflags"        : ['-fexceptions'],
+          "cflags_cc"     : ['-fexceptions'],
+          "link_settings" : {
+             "libraries"  : ['-L<(oci_lib_dir)']
+        }
+      }
+    ],
     [
       'OS=="solaris"', {
         "variables" : {