From 48d2f3991ca6b68c9f45350a1a0c4aed125c98c4 Mon Sep 17 00:00:00 2001
From: Joerg Bornemann <joerg.bornemann@qt.io>
Date: Fri, 18 Feb 2022 09:03:41 +0100
Subject: [PATCH] qmake: Enforce linker response files for WebAssembly on
 Windows

Set QMAKE_REPONSEFILE_THRESHOLD to 1 in the WebAssembly mkspec to
enforce the usage of linker response files.  This fixes "The command
line is too long." errors when linking user projects that depend on many
libraries, for example projects using QtQuickControls2.

Fixes: QTBUG-100559
Change-Id: I2f03f0756c9f171bc7382940fa0f8079bdb75a00
Reviewed-by: Alexandru Croitor <alexandru.croitor@qt.io>
(cherry picked from commit 95457ba8e79469e8a0fa44ec41c027358f14d831)
Reviewed-by: Qt Cherry-pick Bot <cherrypick_bot@qt-project.org>
---
 mkspecs/wasm-emscripten/qmake.conf | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/mkspecs/wasm-emscripten/qmake.conf b/mkspecs/wasm-emscripten/qmake.conf
index 2b55a3bf8af..6b4f0767ecf 100644
--- a/mkspecs/wasm-emscripten/qmake.conf
+++ b/mkspecs/wasm-emscripten/qmake.conf
@@ -78,8 +78,7 @@ QMAKE_EXTENSION_STATICLIB = a      # llvm bitcode
 
 QMAKE_AR                = emar cqs
 equals(QMAKE_HOST.os, Windows) {
-    QMAKE_LINK_OBJECT_MAX = 10
-    QMAKE_LINK_OBJECT_SCRIPT = object_script
+    QMAKE_RESPONSEFILE_THRESHOLD = 1
     QMAKE_AR_CMD = \
         "$(file >$(OBJECTS_DIR)/$(TARGET).rsp, $(subst \\,/,$(OBJECTS)))$$escape_expand(\\n\\t)" \
         "$(AR) $(DESTDIR)$(TARGET) @$(OBJECTS_DIR)/$(TARGET).rsp"