From 1acbcdeb27abefa1a6966a8d791fa2707931b79f Mon Sep 17 00:00:00 2001
From: Anatol Belski <ab@php.net>
Date: Wed, 12 Nov 2014 17:05:01 +0100
Subject: [PATCH] generate response files for use by linker

Object dir path can under circumstances cause that the expanded
command line exceeds the length allowed by the OS. Linker can read
the object lists from a file which eliminates this issue.
---
 win32/build/Makefile     |  2 +-
 win32/build/confutils.js | 28 ++++++++++++++++++++++++++++
 2 files changed, 29 insertions(+), 1 deletion(-)

diff --git a/win32/build/Makefile b/win32/build/Makefile
index d6a22c162c..c24bd70ba6 100644
--- a/win32/build/Makefile
+++ b/win32/build/Makefile
@@ -90,7 +90,7 @@ $(PHPDLL_RES): win32\build\template.rc
 
 $(BUILD_DIR)\$(PHPDLL): generated_files $(PHPDEF) $(PHP_GLOBAL_OBJS) $(STATIC_EXT_OBJS) $(PHPDLL_RES) $(MCFILE)
 #	@$(CC) $(PHP_GLOBAL_OBJS) $(STATIC_EXT_OBJS) $(STATIC_EXT_LIBS) $(LIBS) $(PHPDLL_RES) /link /out:$(BUILD_DIR)\$(PHPDLL) $(PHP7_PGD_OPTION) $(PHP_LDFLAGS) $(LDFLAGS) $(STATIC_EXT_LDFLAGS)
-	@"$(LINK)" $(PHP_GLOBAL_OBJS) $(STATIC_EXT_OBJS) $(STATIC_EXT_LIBS) $(LIBS) $(PHPDLL_RES) /out:$(BUILD_DIR)\$(PHPDLL) $(PHP7_PGD_OPTION) $(PHP_LDFLAGS) $(LDFLAGS) $(STATIC_EXT_LDFLAGS)
+	@"$(LINK)" $(PHP_GLOBAL_OBJS_RESP) $(STATIC_EXT_OBJS_RESP) $(STATIC_EXT_LIBS) $(LIBS) $(PHPDLL_RES) /out:$(BUILD_DIR)\$(PHPDLL) $(PHP7_PGD_OPTION) $(PHP_LDFLAGS) $(LDFLAGS) $(STATIC_EXT_LDFLAGS)
 	-@$(_VC_MANIFEST_EMBED_DLL)
 
 $(BUILD_DIR)\$(PHPLIB): $(BUILD_DIR)\$(PHPDLL)
diff --git a/win32/build/confutils.js b/win32/build/confutils.js
index 94068bfa9d..201c368a3a 100644
--- a/win32/build/confutils.js
+++ b/win32/build/confutils.js
@@ -1336,6 +1336,7 @@ function EXTENSION(extname, file_list, shared, cflags, dllname, obj_dir)
 		DEFINE('CFLAGS_' + EXT + '_OBJ', '$(CFLAGS_' + EXT + ')');
 	} else {
 		ADD_FLAG("STATIC_EXT_OBJS", "$(" + EXT + "_GLOBAL_OBJS)");
+		ADD_FLAG("STATIC_EXT_OBJS_RESP", "$(" + EXT + "_GLOBAL_OBJS_RESP)");
 		ADD_FLAG("STATIC_EXT_LIBS", "$(LIBS_" + EXT + ")");
 		ADD_FLAG("STATIC_EXT_LDFLAGS", "$(LDFLAGS_" + EXT + ")");
 		ADD_FLAG("STATIC_EXT_CFLAGS", "$(CFLAGS_" + EXT + ")");
@@ -1394,9 +1395,20 @@ function ADD_SOURCES(dir, file_list, target, obj_dir)
 	sym = target.toUpperCase() + "_GLOBAL_OBJS";
 	flags = "CFLAGS_" + target.toUpperCase() + '_OBJ';
 
+	var bd = get_define('BUILD_DIR');
+	var respd = bd + '\\resp';
+	if (!FSO.FolderExists(respd)) {
+		FSO.CreateFolder(respd);
+	}
+	var obj_lst_fn = respd + '\\' + sym + '.txt';
+	var resp = "";
+
 	if (configure_subst.Exists(sym)) {
 		tv = configure_subst.Item(sym);
 	} else {
+		if (FSO.FileExists(obj_lst_fn)) {
+			FSO.DeleteFile(obj_lst_fn, true);
+		}
 		tv = "";
 	}
 
@@ -1448,6 +1460,7 @@ function ADD_SOURCES(dir, file_list, target, obj_dir)
 		src = file_list[i];
 		obj = src.replace(re, ".obj");
 		tv += " " + sub_build + obj;
+		resp += " " + sub_build.replace('$(BUILD_DIR)', bd) + obj;
 
 		if (!PHP_MP_DISABLED) {
 			if (i > 0) {
@@ -1474,6 +1487,21 @@ function ADD_SOURCES(dir, file_list, target, obj_dir)
 	}
 
 	DEFINE(sym, tv);
+
+	/* Generate the response file and define it to the Makefile. This can be 
+	   useful when getting the "command line too long" linker errors. */
+	var obj_lst_fh = null;
+	if (!FSO.FileExists(obj_lst_fn)) {
+		obj_lst_fh = FSO.CreateTextFile(obj_lst_fn);
+		//STDOUT.WriteLine("Creating " + obj_lst_fn);
+	} else {
+		//STDOUT.WriteLine("Appending to " + obj_lst_fn);
+		obj_lst_fh = FSO.OpenTextFile(obj_lst_fn, 8);
+	}
+
+	obj_lst_fh.Write(" " + resp);
+	obj_lst_fh.Close();
+	DEFINE(sym + "_RESP", '@"' + obj_lst_fn + '"');
 }
 
 function REMOVE_TARGET(dllname, flag)
-- 
2.50.1