build: update Makefile so exp headersbuildstamp runs install.py to ensure exp is a prereq of the headers phase

Signed-off-by: Stewart X Addison <sxa@ibm.com>

Author: sxa

Makefile

@@ -434,6 +434,19 @@ ADDONS_HEADERS_PREREQS := tools/install.py \
 	src/node_api_types.h src/node_buffer.h src/node_object_wrap.h \
 	src/node_version.h
 
+ifeq ($(OSTYPE),aix)
+ADDONS_HEADERS_PREREQS := $(ADDONS_HEADERS_PREREQS) out/$(BUILDTYPE)/node.exp
+endif
+ifeq ($(OSTYPE),os400)
+ADDONS_HEADERS_PREREQS := $(ADDONS_HEADERS_PREREQS) out/$(BUILDTYPE)/node.exp
+endif
+ifneq (,$(filter $(OSTYPE),aix os400))
+# Shared-library builds populate node.exp via generate_node_exp (node.gyp);
+# install.py and addon headers expect out/$(BUILDTYPE)/node.exp (not only libnode.exp).
+out/$(BUILDTYPE)/node.exp: config.gypi out/Makefile
+	$(MAKE) -C out BUILDTYPE=$(BUILDTYPE) V=$(V) node
+endif
+
 ADDONS_HEADERS_DIR = out/$(BUILDTYPE)/addons_headers
 
 # Generate node headers which will be used for building addons.

node.gyp

@@ -674,6 +674,12 @@
             '-Wl,-brtl',
           ],
         }],
+        ['node_shared=="true" and OS in "aix os400"', {
+          'dependencies': ['generate_node_exp'],
+          'ldflags': [
+            '-Wl,-bE:<(PRODUCT_DIR)/<(node_core_target_name).exp',
+          ],
+        }],
         [ 'node_shared=="false"', {
           # Keep this whole-archive section in sync with the `node_lib` target below.
           'xcode_settings': {
@@ -1189,6 +1195,23 @@
             }],
           ],
         }],
+        ['OS in "aix os400"', {
+          'conditions': [
+            ['node_use_node_snapshot=="true"', {
+              'variables': {
+                'expfile_extra_inputs': [
+                  '<(obj_dir)/<(node_lib_target_name)/gen/node_snapshot.o',
+                ],
+              },
+            }, {
+              'variables': {
+                'expfile_extra_inputs': [
+                  '<(obj_dir)/<(node_lib_target_name)/src/node_snapshot_stub.o',
+                ],
+              },
+            }],
+          ],
+        }],
         [ 'node_shared=="true" and OS=="win"', {
           'sources': [
             'src/res/node.rc',