From b6423d2d81ca0867570bf8ff021c30205cb7fd57 Mon Sep 17 00:00:00 2001
From: Li Jin <dragon-fly@qq.com>
Date: Tue, 4 Nov 2025 09:58:12 +0800
Subject: Fixed build files for Termux.

---
 CMakeLists.txt | 34 +++++++++++++++++++++++++++++++---
 makefile       | 31 ++++++++++++++++++++++++++++++-
 2 files changed, 61 insertions(+), 4 deletions(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 613019e..2d155b1 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -44,7 +44,7 @@ if (LUA_LIBRARIES MATCHES "LUA_LIBRARIES-NOTFOUND")
 	endif()
 else ()
 	message(STATUS "Lua: using information from luarocks")
-endif()	
+endif()
 
 message(STATUS "Lua: " ${LUA})
 message(STATUS "Lua include: " ${LUA_INCLUDE_DIR})
@@ -54,6 +54,24 @@ enable_language(CXX)
 include_directories(src src/3rdParty ${LUA_INCLUDE_DIR})
 add_definitions(-std=c++17 -O3 -fPIC)
 
+# Detect Android Termux environment
+# Termux typically has ANDROID_ROOT environment variable set and PREFIX points to Termux directory
+set(IS_TERMUX FALSE)
+if (DEFINED ENV{ANDROID_ROOT})
+	# Check if PREFIX environment variable points to Termux directory
+	if (DEFINED ENV{PREFIX})
+		if ("$ENV{PREFIX}" MATCHES "com.termux")
+			set(IS_TERMUX TRUE)
+			message(STATUS "Detected Android Termux environment (via PREFIX: $ENV{PREFIX})")
+		endif()
+	endif()
+	# Alternative check: verify if Termux installation path exists
+	if (NOT IS_TERMUX AND EXISTS "/data/data/com.termux/files/usr")
+		set(IS_TERMUX TRUE)
+		message(STATUS "Detected Android Termux environment (via filesystem check)")
+	endif()
+endif()
+
 if (APPLE)
 	add_compile_options(-Wno-deprecated-declarations)
 endif ()
@@ -70,6 +88,11 @@ set_target_properties(libyue PROPERTIES PREFIX "")
 set_target_properties(libyue PROPERTIES OUTPUT_NAME "yue")
 target_link_libraries(libyue ${LUA_LIBRARIES})
 
+# Add YUE_NO_WATCHER macro for Termux environment
+if (IS_TERMUX)
+	target_compile_definitions(libyue PRIVATE YUE_NO_WATCHER)
+endif()
+
 add_executable(yue
 	src/yuescript/ast.cpp
 	src/yuescript/parser.cpp
@@ -154,6 +177,11 @@ else ()
 	target_compile_options(yue PRIVATE -Wall -Wno-long-long -fPIC)
 endif()
 
+# Add YUE_NO_WATCHER macro for Termux environment
+if (IS_TERMUX)
+	target_compile_definitions(yue PRIVATE YUE_NO_WATCHER)
+endif()
+
 if (${CMAKE_BUILD_TYPE} MATCHES "Debug")
 	target_compile_definitions(yue PRIVATE DEBUG)
 elseif (${CMAKE_BUILD_TYPE} MATCHES "Release")
@@ -169,9 +197,9 @@ elseif (NOT (${CMAKE_SYSTEM_NAME} MATCHES "Haiku") AND NOT WIN32)
 else ()
 	target_link_libraries(yue PRIVATE ${LUA_LIBRARIES})
 endif()
-	
+
 if (CMAKE_CXX_COMPILER_ID STREQUAL "GNU")
-	target_link_options(yue PRIVATE -lstdc++fs -ldl)
+	target_link_options(yue PRIVATE -ldl)
 endif (CMAKE_CXX_COMPILER_ID STREQUAL "GNU")
 
 install(CODE "")
diff --git a/makefile b/makefile
index d7e85d3..acdeb1b 100644
--- a/makefile
+++ b/makefile
@@ -54,13 +54,42 @@ endif
 	INCLUDES += -I $(SRC_PATH)/3rdParty/lua
 	LINK_FLAGS += -L $(SRC_PATH)/3rdParty/lua -llua -ldl
 endif
+
+# Detect Android Termux environment
+# Termux typically has ANDROID_ROOT environment variable set and PREFIX points to Termux directory
+IS_TERMUX := false
+ANDROID_ROOT_VAR := $(shell echo $$ANDROID_ROOT)
+PREFIX_VAR := $(shell echo $$PREFIX)
+ifneq ($(ANDROID_ROOT_VAR),)
+	# Check if PREFIX environment variable points to Termux directory
+	ifneq ($(PREFIX_VAR),)
+		ifneq ($(findstring com.termux,$(PREFIX_VAR)),)
+			IS_TERMUX := true
+		endif
+	endif
+	# Alternative check: verify if Termux installation path exists
+	ifeq ($(IS_TERMUX),false)
+		ifneq ($(shell test -d /data/data/com.termux/files/usr && echo yes),)
+			IS_TERMUX := true
+		endif
+	endif
+endif
+
+# Auto-set NO_WATCHER for Termux environment if not explicitly set
+ifeq ($(IS_TERMUX),true)
+	ifeq ($(NO_WATCHER),)
+		NO_WATCHER := true
+		$(info Detected Android Termux environment, automatically setting NO_WATCHER=true)
+	endif
+endif
+
 ifeq ($(NO_WATCHER),true)
 	COMPILE_FLAGS += -DYUE_NO_WATCHER
 endif
 
 # Add platform related linker flag
 ifneq ($(UNAME_S),Darwin)
-	LINK_FLAGS += -lstdc++fs -Wl,-E
+	LINK_FLAGS += -Wl,-E
 	PLAT = linux
 else
 	LINK_FLAGS += -framework CoreFoundation -framework CoreServices
-- 
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