From 66a729ac51e8ce79a9da79e382076e678f9a721b Mon Sep 17 00:00:00 2001
From: Qijia Liu <liumeo@pku.edu.cn>
Date: Tue, 5 Nov 2024 23:28:58 -0500
Subject: [PATCH] initial support emscripten build (#1170)

---
 CMakeLists.txt                     | 1 +
 cmake/Fcitx5CompilerSettings.cmake | 2 +-
 src/lib/fcitx-utils/endian_p.h     | 2 +-
 src/modules/spell/CMakeLists.txt   | 2 ++
 4 files changed, 5 insertions(+), 2 deletions(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index ac1e1dcb5..aa90bad4a 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -36,6 +36,7 @@ option(ENABLE_XDGAUTOSTART "Enable xdg autostart desktop file installation" On)
 option(USE_FLATPAK_ICON "Use flatpak icon name for desktop files" Off)
 option(ENABLE_EMOJI "Enable emoji module" On)
 option(ENABLE_LIBUUID "Use libuuid for uuid generation" On)
+option(BUILD_SPELL_DICT "Build en_dict.fscd for English spell check" On)
 set(NO_PREEDIT_APPS "gvim.*,wps.*,wpp.*,et.*" CACHE STRING "Disable preedit for follwing app by default.")
 
 if (ENABLE_EMOJI)
diff --git a/cmake/Fcitx5CompilerSettings.cmake b/cmake/Fcitx5CompilerSettings.cmake
index 66136f0b7..5e766d30a 100644
--- a/cmake/Fcitx5CompilerSettings.cmake
+++ b/cmake/Fcitx5CompilerSettings.cmake
@@ -8,7 +8,7 @@ set(CMAKE_C_STANDARD 99)
 set(CMAKE_C_FLAGS "-Wall -Wextra ${CMAKE_C_FLAGS}")
 set(CMAKE_CXX_FLAGS "-Wall -Wextra ${CMAKE_CXX_FLAGS}")
 
-if(NOT APPLE)
+if(NOT APPLE AND NOT EMSCRIPTEN)
     set(CMAKE_SHARED_LINKER_FLAGS "-Wl,--no-undefined -Wl,--as-needed ${CMAKE_SHARED_LINKER_FLAGS}")
     set(CMAKE_MODULE_LINKER_FLAGS "-Wl,--no-undefined -Wl,--as-needed ${CMAKE_MODULE_LINKER_FLAGS}")
 endif()
diff --git a/src/lib/fcitx-utils/endian_p.h b/src/lib/fcitx-utils/endian_p.h
index d524dfa23..524a26fad 100644
--- a/src/lib/fcitx-utils/endian_p.h
+++ b/src/lib/fcitx-utils/endian_p.h
@@ -8,7 +8,7 @@
 #define _FCITX_UTILS_ENDIAN_P_H_
 
 #include <cstdint>
-#if defined(__linux__) || defined(__GLIBC__)
+#if defined(__linux__) || defined(__GLIBC__) || defined(__EMSCRIPTEN__)
 #include <endian.h>
 #elif defined(__APPLE__)
 
diff --git a/src/modules/spell/CMakeLists.txt b/src/modules/spell/CMakeLists.txt
index 094e1a58c..ab1ce4dff 100644
--- a/src/modules/spell/CMakeLists.txt
+++ b/src/modules/spell/CMakeLists.txt
@@ -17,6 +17,7 @@ install(FILES "${CMAKE_CURRENT_BINARY_DIR}/spell.conf" DESTINATION "${FCITX_INST
         COMPONENT config)
 fcitx5_export_module(Spell TARGET spell BUILD_INCLUDE_DIRECTORIES "${CMAKE_CURRENT_SOURCE_DIR}" HEADERS spell_public.h INSTALL)
 
+if (BUILD_SPELL_DICT)
  set(DICT_COMP_SRC
   comp_spell_dict.cpp
   )
@@ -46,3 +47,4 @@ add_custom_command(
   "${SPELL_EN_DICT_SRC}" "${SPELL_EN_DICT}")
 add_custom_target(spell_en_dict ALL DEPENDS "${SPELL_EN_DICT}")
 install(FILES "${SPELL_EN_DICT}" DESTINATION "${FCITX_INSTALL_PKGDATADIR}/spell")
+endif()