From 59b48ebda6dc3286b10fad9de9ff134dc7877e35 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Zolt=C3=A1n=20Kov=C3=A1cs?= <zoltan@geogebra.org>
Date: Mon, 21 Oct 2024 13:11:37 +0200
Subject: [PATCH] Finalize cmake build (also for wasm)

---
 CMakeLists.txt        | 17 ++++++++++++++---
 XaoS.pro              |  4 ++--
 tools/postprocess-web | 13 +++++++------
 3 files changed, 23 insertions(+), 11 deletions(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index e999937c..483d0df4 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -170,7 +170,7 @@ file(GLOB CXX_FILES src/ui/*.cpp src/ui-hlp/*.cpp src/util/*.cpp src/engine/*.cp
 file(GLOB C_FILES src/sffe/*.c)
 
 if(EMSCRIPTEN)
-    qt_add_executable(XaoS
+    qt_add_executable(xaos
        ${CXX_FILES}
        ${C_FILES}
        ${QM_FILES}
@@ -178,8 +178,8 @@ if(EMSCRIPTEN)
        src/ui/XaoS.qrc
        XaoS.qrc
     )
-    target_link_libraries(XaoS PUBLIC Qt6::Widgets)
-    target_link_options(XaoS PUBLIC -sASYNCIFY -O3 -flto)
+    target_link_libraries(xaos PUBLIC Qt6::Widgets)
+    target_link_options(xaos PUBLIC -sASYNCIFY -O3 -flto)
 else()
     add_executable(XaoS MACOSX_BUNDLE
        ${CXX_FILES}
@@ -199,6 +199,16 @@ if(OPENGL)
    target_link_libraries(XaoS Qt6::OpenGL Qt6::OpenGLWidgets)
 endif(OPENGL)
 
+if (EMSCRIPTEN)
+    target_link_options(xaos PUBLIC "SHELL:
+        --preload-file '${CMAKE_SOURCE_DIR}/catalogs@/catalogs'
+        --preload-file '${CMAKE_SOURCE_DIR}/examples@/examples'
+        --preload-file '${CMAKE_SOURCE_DIR}/tutorial@/tutorial'")
+    add_custom_command(TARGET xaos POST_BUILD
+        COMMAND "${CMAKE_SOURCE_DIR}/tools/postprocess-web" "${CMAKE_SOURCE_DIR}" "${CMAKE_BINARY_DIR}"
+        COMMENT "Running postprocess-web..."
+    )
+else()
 # install bundle
 install(TARGETS XaoS DESTINATION bin)
 
@@ -208,3 +218,4 @@ install(DIRECTORY catalogs tutorial DESTINATION .)
 # install example files
 file(GLOB EXAMPLE_FILES ${CMAKE_CURRENT_SOURCE_DIR}/examples/*/*.xpf)
 install(FILES ${EXAMPLE_FILES} DESTINATION examples)
+endif(EMSCRIPTEN)
diff --git a/XaoS.pro b/XaoS.pro
index e0ad1ce5..d13d0a82 100644
--- a/XaoS.pro
+++ b/XaoS.pro
@@ -87,8 +87,8 @@ wasm{
     QMAKE_LFLAGS += --preload-file $$PWD/examples@$$DATAPATH/examples
     QMAKE_LFLAGS += --preload-file $$PWD/catalogs@$$DATAPATH/catalogs
     QMAKE_LFLAGS += --preload-file $$PWD/tutorial@$$DATAPATH/tutorial
-    QMAKE_LFLAGS += -sASYNCIFY -Os # This can help avoiding to get the web application hang when the user presses "s".
-    QMAKE_POST_LINK = $$PWD/tools/postprocess-web $$PWD/bin
+    QMAKE_LFLAGS += -sASYNCIFY -Os # -sASYNCIFY can help avoiding to get the web application hang when the user presses "s".
+    QMAKE_POST_LINK = $$PWD/tools/postprocess-web $$PWD $$PWD/bin
 }
 executable.files = bin/xaos
 executable.path = $$PREFIX/bin
diff --git a/tools/postprocess-web b/tools/postprocess-web
index 4b5983f8..b6c397e7 100755
--- a/tools/postprocess-web
+++ b/tools/postprocess-web
@@ -5,13 +5,13 @@
 
 set -e
 
-if [ "$1" = "" ]; then
- echo "Usage: $0 [bin-folder]"
+if [ $# != 2 ]; then
+ echo "Usage: $0 [source-folder] [build-folder]"
  exit 1
  fi
 
-test "$1/xaos.js" || {
- echo "The file $1/xaos.js is missing."
+test "$2/xaos.js" || {
+ echo "The file $2/xaos.js is missing."
  exit 2
  }
 
@@ -21,7 +21,8 @@ sed -i 's/Module\["print"\]/\
   let statustext = "STATUS: ";\
   if (t.startsWith(statustext)) document.title = t.substring(statustext.length);\
   }\
-/' "$1/xaos.js"
+/' "$2/xaos.js"
 # For a workaround on macOS, see https://stackoverflow.com/questions/12696125/sed-edit-file-in-place
 
-cp "$1/../src/ui/images/qtlogo.svg" "$1"
+cp "$1/src/ui/images/qtlogo.svg" "$2"
+exit 0