From 486a89f7bb7007bf045195193999070c54e3dc0d Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Morten=20S=C3=B8rvig?= <morten.sorvig@qt.io>
Date: Wed, 10 May 2023 11:08:48 +0200
Subject: [PATCH] wasm: add INSTALL_LIBDIR as library search path
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Fixes error where Emscripten fails to find Qt library
dependencies at application link time.

Change-Id: I03b154f60ab5dc3a4c8d0d21d47551c9584029a2
Reviewed-by: Piotr Wierciński <piotr.wiercinski@qt.io>
Reviewed-by: Mikołaj Boc <Mikolaj.Boc@qt.io>
---
 cmake/QtWasmHelpers.cmake | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/cmake/QtWasmHelpers.cmake b/cmake/QtWasmHelpers.cmake
index 29478b33a4..3eb97fa3cb 100644
--- a/cmake/QtWasmHelpers.cmake
+++ b/cmake/QtWasmHelpers.cmake
@@ -105,6 +105,12 @@ function (qt_internal_setup_wasm_target_properties wasmTarget)
             "${enable_main_module_if_needed}"
         )
 
+        # Add Qt libdir to linker library paths
+        set(qt_lib_location
+            "${QT_BUILD_INTERNALS_RELOCATABLE_INSTALL_PREFIX}/${INSTALL_LIBDIR}")
+        target_link_options("${wasmTarget}" INTERFACE
+            "$<$<STREQUAL:$<TARGET_PROPERTY:TYPE>,EXECUTABLE>:SHELL:" -L${qt_lib_location}/>)
+
         target_compile_options("${wasmTarget}" INTERFACE "${set_shared_module_type_if_needed}")
         target_link_options("${wasmTarget}" INTERFACE "${set_shared_module_type_if_needed}")