From 2b6a10b0c61841fdd52a3caea0d97f8067909e93 Mon Sep 17 00:00:00 2001
From: rtk0c <mail.tianyig@gmail.com>
Date: Fri, 29 Jul 2022 23:46:01 -0700
Subject: Add exception and RTTI control

---
 cmake/Exceptions.cmake | 31 +++++++++++++++++++++++++++++++
 cmake/RTTI.cmake       | 31 +++++++++++++++++++++++++++++++
 2 files changed, 62 insertions(+)
 create mode 100644 cmake/Exceptions.cmake
 create mode 100644 cmake/RTTI.cmake

(limited to 'cmake')

diff --git a/cmake/Exceptions.cmake b/cmake/Exceptions.cmake
new file mode 100644
index 0000000..89e7e69
--- /dev/null
+++ b/cmake/Exceptions.cmake
@@ -0,0 +1,31 @@
+function(target_flag_exceptions_msvc TARGET_NAME ENABLED)
+	if(ENABLED)
+		target_compile_options(${TARGET_NAME} PRIVATE /EHsc)
+	else()
+		target_compile_options(${TARGET_NAME} PRIVATE /EH-)
+	endif()
+endfunction()
+
+function(target_flag_exceptions_gcc TARGET_NAME ENABLED)
+	if(ENABLED)
+		target_compile_options(${TARGET_NAME} PRIVATE -fexceptions)
+	else()
+		target_compile_options(${TARGET_NAME} PRIVATE -fno-exceptions)
+	endif()
+endfunction()
+
+function(target_flag_exceptions TARGET_NAME ENABLED)
+	if(CMAKE_CXX_COMPILER_ID MATCHES "MSVC")
+		target_flag_exceptions_msvc(${TARGET_NAME} ${ENABLED})
+	elseif(CMAKE_CXX_COMPILER_ID MATCHES "Clang")
+		if(CMAKE_CXX_COMPILER_FRONTEND_VARIANT MATCHES "MSVC")
+			target_flag_exceptions_msvc(${TARGET_NAME} ${ENABLED})
+		elseif(CMAKE_CXX_COMPILER_FRONTEND_VARIANT MATCHES "GNU")
+			target_flag_exceptions_gcc(${TARGET_NAME} ${ENABLED})
+		endif()
+	elseif(CMAKE_CXX_COMPILER_ID MATCHES "GNU")
+		target_flag_exceptions_gcc(${TARGET_NAME} ${ENABLED})
+	else()
+		message(FATAL "target_flag_exceptions(): Unknown compiler ${CMAKE_CXX_COMPILER_ID}")
+	endif()
+endfunction()
diff --git a/cmake/RTTI.cmake b/cmake/RTTI.cmake
new file mode 100644
index 0000000..b948497
--- /dev/null
+++ b/cmake/RTTI.cmake
@@ -0,0 +1,31 @@
+function(target_flag_rtti_msvc TARGET_NAME ENABLED)
+	if(ENABLED)
+		target_compile_options(${TARGET_NAME} PRIVATE /GR)
+	else()
+		target_compile_options(${TARGET_NAME} PRIVATE /GR-)
+	endif()
+endfunction()
+
+function(target_flag_rtti_gcc TARGET_NAME ENABLED)
+	if(ENABLED)
+		target_compile_options(${TARGET_NAME} PRIVATE -frtti)
+	else()
+		target_compile_options(${TARGET_NAME} PRIVATE -fno-rtti)
+	endif()
+endfunction()
+
+function(target_flag_rtti TARGET_NAME ENABLED)
+	if(CMAKE_CXX_COMPILER_ID MATCHES "MSVC")
+		target_flag_rtti_msvc(${TARGET_NAME} ${ENABLED})
+	elseif(CMAKE_CXX_COMPILER_ID MATCHES "Clang")
+		if(CMAKE_CXX_COMPILER_FRONTEND_VARIANT MATCHES "MSVC")
+			target_flag_rtti_msvc(${TARGET_NAME} ${ENABLED})
+		elseif(CMAKE_CXX_COMPILER_FRONTEND_VARIANT MATCHES "GNU")
+			target_flag_rtti_gcc(${TARGET_NAME} ${ENABLED})
+		endif()
+	elseif(CMAKE_CXX_COMPILER_ID MATCHES "GNU")
+		target_flag_rtti_gcc(${TARGET_NAME} ${ENABLED})
+	else()
+		message(FATAL "target_flag_rtti(): Unknown compiler ${CMAKE_CXX_COMPILER_ID}")
+	endif()
+endfunction()
-- 
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