From e7d26b0f2fe40076aa746439a4d4fdd4a9e9a2f5 Mon Sep 17 00:00:00 2001
From: Sander Speetjens <sander.speetjens@gmail.com>
Date: Tue, 3 Jun 2025 16:56:55 +0200
Subject: [PATCH] fix for wasm

---
 src/CMakeLists.txt | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)

diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index 9be762a..07fe43e 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -24,6 +24,24 @@ target_include_directories(qwt
 
 file(GLOB_RECURSE QWT_SOURCES "*.cpp")
 file(GLOB_RECURSE QWT_HEADERS "*.hpp" "*.h")
+
+if (EMSCRIPTEN)
+  set(EXCLUDED_FILES
+      "${CMAKE_CURRENT_SOURCE_DIR}/qwt_date_scale_draw.cpp"
+      "${CMAKE_CURRENT_SOURCE_DIR}/qwt_date_scale_draw.h"
+      "${CMAKE_CURRENT_SOURCE_DIR}/qwt_date_scale_engine.cpp"
+      "${CMAKE_CURRENT_SOURCE_DIR}/qwt_date_scale_engine.h"
+      "${CMAKE_CURRENT_SOURCE_DIR}/qwt_date.cpp"
+      "${CMAKE_CURRENT_SOURCE_DIR}/qwt_date.h"
+  )
+
+  # Remove them from the list
+  foreach(file_to_exclude IN LISTS EXCLUDED_FILES)
+    list(REMOVE_ITEM QWT_SOURCES "${file_to_exclude}")
+    list(REMOVE_ITEM QWT_HEADERS "${file_to_exclude}")
+  endforeach()
+endif()
+
 target_sources(qwt
   PRIVATE
   ${QWT_SOURCES}