CoCalc -- patch-CMakeLists.txt

GitHub Repository: freebsd/freebsd-ports
Path: blob/main/emulators/einstein-newton/files/patch-CMakeLists.txt
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--- CMakeLists.txt.orig	2025-12-19 16:57:53 UTC
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+++ CMakeLists.txt
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@@ -56,6 +56,10 @@ elseif ( ${CMAKE_SYSTEM_NAME} STREQUAL "Linux" )
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 	# Linux: nothing to do here
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+elseif ( ${CMAKE_SYSTEM_NAME} STREQUAL "FreeBSD" OR ${CMAKE_SYSTEM_NAME} STREQUAL "NetBSD" )
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+
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+    # FreeBSD and NetBSD: nothing to do here
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+
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 elseif ( ${CMAKE_SYSTEM_NAME} STREQUAL "OpenBSD" )
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 	set_property ( GLOBAL PROPERTY FIND_LIBRARY_USE_OPENBSD_VERSIONING 1 )
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@@ -159,23 +163,37 @@ endif ()
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 # ---- Setup Google Testing
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 #
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+include( CTest )
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+
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 # For Windows: Prevent overriding the parent project's compiler/linker settings
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 set( gtest_force_shared_crt ON CACHE BOOL "" FORCE )
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-# Check if population has already been performed
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-FetchContent_GetProperties(googletest)
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-if ( NOT googletest_POPULATED )
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-	# Fetch the content using previously declared details
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-	FetchContent_MakeAvailable(googletest)
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+option( EINSTEIN_FETCH_GTEST "Download googletest if not found" ON )
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-	# Bring the populated content into the build
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-	#add_subdirectory( ${googletest_SOURCE_DIR} ${googletest_BINARY_DIR} )
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-endif ()
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+set( EINSTEIN_USE_GTEST OFF )
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+if ( BUILD_TESTING )
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+	# Try to find GTest installed on the system first.
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+	find_package( GTest CONFIG QUIET )
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-enable_testing()
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+	# Check if population has already been performed
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+	if ( NOT GTest_FOUND AND EINSTEIN_FETCH_GTEST )
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+		FetchContent_GetProperties(googletest)
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+		if ( NOT googletest_POPULATED )
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+			# Fetch the content using previously declared details
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+			FetchContent_MakeAvailable(googletest)
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-include( GoogleTest )
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+			# Bring the populated content into the build
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+			#add_subdirectory( ${googletest_SOURCE_DIR} ${googletest_BINARY_DIR} )
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+		endif ()
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+	endif ()
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+	if ( TARGET GTest::gtest_main OR TARGET gtest_main )
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+		set( EINSTEIN_USE_GTEST ON )
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+	else ()
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+		message( STATUS "GoogleTest not available; tests disabled." )
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+	endif ()
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+endif ()
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+
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 #
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 # ---- Newt/64 library ---------------------------------------------------------
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 #
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@@ -322,11 +340,13 @@ if ( ${CMAKE_SYSTEM_NAME} STREQUAL "Darwin" )
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 		${app_sources}
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 		${cmake_sources}
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 	)
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-	add_executable ( EinsteinTests
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-		${common_sources}
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-		${test_sources}
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-		${cmake_sources}
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-	)
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+	if ( EINSTEIN_USE_GTEST )
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+		add_executable ( EinsteinTests
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+			${common_sources}
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+			${test_sources}
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+			${cmake_sources}
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+		)
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+	endif ()
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 	if ( EINSTEIN_FLTK_FRONTEND )
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 		add_library ( EinsteinFLGUI STATIC
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 			${fluid_sources}
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@@ -337,9 +357,11 @@ if ( ${CMAKE_SYSTEM_NAME} STREQUAL "Darwin" )
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 	target_compile_options( Einstein PUBLIC
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 		-Wall -Wextra -Wpedantic -Wno-missing-field-initializers -Werror
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 	)
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-	target_compile_options( EinsteinTests PUBLIC
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-		-Wall -Wextra -Wpedantic -Wno-missing-field-initializers -Werror
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-	)
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+	if ( EINSTEIN_USE_GTEST )
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+		target_compile_options( EinsteinTests PUBLIC
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+			-Wall -Wextra -Wpedantic -Wno-missing-field-initializers -Werror
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+		)
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+	endif ()
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 	if ( EINSTEIN_FLTK_FRONTEND )
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 		target_compile_options( EinsteinFLGUI PUBLIC
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 			-Wall -Wextra -Wpedantic -Wno-missing-field-initializers -Werror
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@@ -357,10 +379,12 @@ if ( ${CMAKE_SYSTEM_NAME} STREQUAL "Darwin" )
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 			TARGET_OS_MAC=1 NS_BLOCK_ASSERTIONS=1
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 		)
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 	endif ()
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-	target_compile_definitions ( EinsteinTests PRIVATE
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-		TARGET_UI_FLTK=1 NO_PORT_AUDIO NO_X11 TARGET_OS_OPENSTEP=1
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-		TARGET_OS_MAC=1 NS_BLOCK_ASSERTIONS=1
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-	)
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+	if ( EINSTEIN_USE_GTEST )
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+		target_compile_definitions ( EinsteinTests PRIVATE
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+			TARGET_UI_FLTK=1 NO_PORT_AUDIO NO_X11 TARGET_OS_OPENSTEP=1
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+			TARGET_OS_MAC=1 NS_BLOCK_ASSERTIONS=1
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+		)
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+	endif ()
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 	if ( EINSTEIN_FLTK_FRONTEND )
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 		target_compile_definitions ( EinsteinFLGUI PRIVATE
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 			TARGET_UI_FLTK=1 NO_PORT_AUDIO NO_X11 TARGET_OS_OPENSTEP=1
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@@ -390,7 +414,7 @@ if ( ${CMAKE_SYSTEM_NAME} STREQUAL "Darwin" )
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 			$ENV{ANDROID_NDK_HOME}/sysroot/usr/include
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 		)
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 	endif ()
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-	if ( EINSTEIN_FLTK_FRONTEND )
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+	if ( EINSTEIN_USE_GTEST AND EINSTEIN_FLTK_FRONTEND )
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 		target_link_libraries ( EinsteinTests
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 			${system_libs}
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 			fltk::fltk
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@@ -423,7 +447,7 @@ if ( ${CMAKE_SYSTEM_NAME} STREQUAL "Darwin" )
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 		)
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 	endif ()
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-elseif ( ${CMAKE_SYSTEM_NAME} STREQUAL "Linux" OR ${CMAKE_SYSTEM_NAME} STREQUAL "OpenBSD" )
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+elseif ( ${CMAKE_SYSTEM_NAME} STREQUAL "Linux" OR ${CMAKE_SYSTEM_NAME} MATCHES ".*BSD$" )
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 	# create the application
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 	add_executable ( Einstein
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@@ -431,11 +455,13 @@ elseif ( ${CMAKE_SYSTEM_NAME} STREQUAL "Linux" OR ${CM
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 		${app_sources}
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 		${cmake_sources}
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 	)
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-	add_executable ( EinsteinTests
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-		${common_sources}
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-		${test_sources}
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-		${cmake_sources}
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-	)
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+	if ( EINSTEIN_USE_GTEST )
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+		add_executable ( EinsteinTests
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+			${common_sources}
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+			${test_sources}
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+			${cmake_sources}
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+		)
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+	endif ()
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 	add_library ( EinsteinFLGUI STATIC
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 		${fluid_sources}
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 	)
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@@ -443,23 +469,34 @@ elseif ( ${CMAKE_SYSTEM_NAME} STREQUAL "Linux" OR ${CM
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 	# how to compile and link
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 	target_compile_options ( Einstein PUBLIC
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 		-Wall -Wno-multichar -Wno-misleading-indentation -Wno-unused-result
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-		-Wno-missing-field-initializers -Wno-stringop-truncation # -Werror
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+		-Wno-missing-field-initializers # -Werror
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 		# Werror is disabled for testing purposes. Must reenable as soon as all Linux warnings are fixed.
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 	)
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-	target_compile_options ( EinsteinTests PUBLIC
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-		-Wall -Wno-multichar -Wno-misleading-indentation -Wno-unused-result
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-		-Wno-missing-field-initializers -Wno-stringop-truncation -Werror
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-	)
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+	if ( EINSTEIN_USE_GTEST )
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+		target_compile_options ( EinsteinTests PUBLIC
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+			-Wall -Wno-multichar -Wno-misleading-indentation -Wno-unused-result
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+			-Wno-missing-field-initializers -Werror
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+		)
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+	endif ()
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 	target_compile_options ( EinsteinFLGUI PUBLIC
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 		-Wall -Wno-multichar -Wno-misleading-indentation -Wno-unused-result
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-		-Wno-missing-field-initializers -Wno-stringop-truncation -Werror
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+		-Wno-missing-field-initializers -Werror
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 	)
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+	if (CMAKE_C_COMPILER_ID STREQUAL "GNU" OR CMAKE_CXX_COMPILER_ID STREQUAL "GNU")
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+        target_compile_options(Einstein PUBLIC -Wno-stringop-truncation)
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+		if ( EINSTEIN_USE_GTEST )
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+			target_compile_options(EinsteinTests PUBLIC -Wno-stringop-truncation)
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+		endif ()
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+        target_compile_options(EinsteinFLGUI PUBLIC -Wno-stringop-truncation)
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+    endif()
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 	target_compile_definitions ( Einstein PRIVATE
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 		TARGET_UI_FLTK=1 TARGET_OS_LINUX=1
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 	)
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-	target_compile_definitions ( EinsteinTests PRIVATE
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-		TARGET_UI_FLTK=1 TARGET_OS_LINUX=1
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-	)
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+	if ( EINSTEIN_USE_GTEST )
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+		target_compile_definitions ( EinsteinTests PRIVATE
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+			TARGET_UI_FLTK=1 TARGET_OS_LINUX=1
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+		)
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+	endif ()
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 	target_compile_definitions ( EinsteinFLGUI PRIVATE
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 		TARGET_UI_FLTK=1 TARGET_OS_LINUX=1
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 	)
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@@ -469,18 +506,20 @@ elseif ( ${CMAKE_SYSTEM_NAME} STREQUAL "Linux" OR ${CM
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 		EinsteinFLGUI
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 		pthread
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 	)
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-	target_link_libraries ( EinsteinTests
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-		${system_libs}
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-		fltk::fltk
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-		EinsteinFLGUI
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-		pthread
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-	)
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+	if ( EINSTEIN_USE_GTEST )
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+		target_link_libraries ( EinsteinTests
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+			${system_libs}
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+			fltk::fltk
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+			EinsteinFLGUI
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+			pthread
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+		)
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+	endif ()
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 	target_link_libraries ( EinsteinFLGUI
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 		fltk::fltk fltk::images fltk::png fltk::z
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 	)
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-	if ( ${CMAKE_SYSTEM_NAME} STREQUAL "OpenBSD" )
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-		# Under OpenBSD, libffi is in ports (i.e. /usr/local) not base (i.e. /usr)
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+	if ( ${CMAKE_SYSTEM_NAME} MATCHES ".*BSD$" )
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+		# Under BSD, libffi is in ports (i.e. /usr/local) not base (i.e. /usr)
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 		find_library ( ffi_lib NAMES ffi )
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 		find_file ( ffi_incl NAMES ffi.h )
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 		if ( ffi_lib MATCHES ".*NOTFOUND" OR ffi_incl MATCHES ".*NOTFOUND" )
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@@ -493,7 +532,7 @@ elseif ( ${CMAKE_SYSTEM_NAME} STREQUAL "Linux" OR ${CM
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 			target_link_libraries ( Einstein ${ffi_lib} )
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 		endif ()
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-		# Under OpenBSD, pulseaudio is in ports (i.e. /usr/local) not base (i.e. /usr)
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+		# Under BSD, pulseaudio is in ports (i.e. /usr/local) not base (i.e. /usr)
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 		find_library ( pulse_lib NAMES pulse )
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 		if ( pulse_lib MATCHES ".*NOTFOUND" )
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 			message ( FATAL_ERROR "libpulse not found! " )
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@@ -503,7 +542,7 @@ elseif ( ${CMAKE_SYSTEM_NAME} STREQUAL "Linux" OR ${CM
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 			target_link_libraries ( Einstein ${pulse_lib} )
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 		endif ()
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-		# Under OpenBSD, X11 is in /usr/X11R6
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+		# Under BSD, find X11
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 		include ( FindX11 )
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 		if ( X11_FOUND )
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 			target_include_directories ( Einstein SYSTEM PUBLIC ${X11_INCLUDE_DIR} )
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@@ -527,30 +566,38 @@ elseif ( WIN32 )
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 		${common_sources} ${app_sources} ${cmake_sources} ${data}
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 		${CMAKE_CURRENT_BINARY_DIR}/Einstein.rc
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 	)
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-	add_executable ( EinsteinTests
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-		${common_sources} ${test_sources}
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-	)
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+	if ( EINSTEIN_USE_GTEST )
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+		add_executable ( EinsteinTests
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+			${common_sources} ${test_sources}
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+		)
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+	endif ()
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 	add_library ( EinsteinFLGUI STATIC
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 		${fluid_sources}
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 	)
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 	# how to compile and link
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 	target_compile_options( Einstein PUBLIC "/bigobj" )
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-	target_compile_options( EinsteinTests PUBLIC "/bigobj" )
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+	if ( EINSTEIN_USE_GTEST )
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+		target_compile_options( EinsteinTests PUBLIC "/bigobj" )
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+	endif ()
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 	target_compile_options( EinsteinFLGUI PUBLIC "/bigobj" )
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 	if ( $<CONFIG:Debug> )
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 		target_compile_options( Einstein PUBLIC "/ZI" )
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-		target_compile_options( EinsteinTests PUBLIC "/ZI" )
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+		if ( EINSTEIN_USE_GTEST )
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+			target_compile_options( EinsteinTests PUBLIC "/ZI" )
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+		endif ()
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 		target_compile_options( EinsteinFLGUI PUBLIC "/ZI" )
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 	endif ()
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 	target_compile_definitions ( Einstein PRIVATE
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 		TARGET_UI_FLTK=1 TARGET_OS_WIN32=1
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 		WIN32_LEAN_AND_MEAN=1 _CRT_SECURE_NO_WARNINGS=1
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 	)
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-	target_compile_definitions ( EinsteinTests PRIVATE
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-		TARGET_UI_FLTK=1 TARGET_OS_WIN32=1
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-		WIN32_LEAN_AND_MEAN=1 _CRT_SECURE_NO_WARNINGS=1
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-	)
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+	if ( EINSTEIN_USE_GTEST )
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+		target_compile_definitions ( EinsteinTests PRIVATE
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+			TARGET_UI_FLTK=1 TARGET_OS_WIN32=1
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+			WIN32_LEAN_AND_MEAN=1 _CRT_SECURE_NO_WARNINGS=1
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+		)
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+	endif ()
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 	target_compile_definitions ( EinsteinFLGUI PRIVATE
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 		TARGET_UI_FLTK=1 TARGET_OS_WIN32=1
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 		WIN32_LEAN_AND_MEAN=1 _CRT_SECURE_NO_WARNINGS=1
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@@ -562,17 +609,19 @@ elseif ( WIN32 )
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 		winmm
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 		gdiplus
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 	)
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-	target_link_libraries ( EinsteinTests
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-		${system_libs}
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-		fltk::fltk
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-		EinsteinFLGUI
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-		gdiplus
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-	)
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-	target_link_libraries ( EinsteinTests
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-		${system_libs}
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-		fltk::fltk
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-		gdiplus
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-	)
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+	if ( EINSTEIN_USE_GTEST )
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+		target_link_libraries ( EinsteinTests
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+			${system_libs}
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+			fltk::fltk
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+			EinsteinFLGUI
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+			gdiplus
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+		)
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+		target_link_libraries ( EinsteinTests
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+			${system_libs}
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+			fltk::fltk
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+			gdiplus
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+		)
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+	endif ()
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 	target_link_libraries ( EinsteinFLGUI
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 		fltk::fltk fltk::images fltk::png fltk::z
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 	)
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@@ -634,11 +683,13 @@ target_include_directories (
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 	${CMAKE_SOURCE_DIR}
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 	${FLTK_INCLUDE_DIRS}
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 )
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-target_include_directories (
325
-	EinsteinTests PUBLIC
326
-	${CMAKE_SOURCE_DIR}
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-	${FLTK_INCLUDE_DIRS}
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-)
329
+if ( EINSTEIN_USE_GTEST )
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+	target_include_directories (
331
+		EinsteinTests PUBLIC
332
+		${CMAKE_SOURCE_DIR}
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+		${FLTK_INCLUDE_DIRS}
334
+	)
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+endif ()
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 if ( EINSTEIN_FLTK_FRONTEND )
337
 	target_include_directories (
338
 		EinsteinFLGUI PUBLIC
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@@ -648,14 +699,27 @@ target_compile_definitions ( Einstein PUBLIC "$<$<CONF
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 endif ()
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 target_compile_definitions ( Einstein PUBLIC "$<$<CONFIG:DEBUG>:_DEBUG>" USE_CMAKE )
343
-target_compile_definitions ( EinsteinTests PUBLIC "$<$<CONFIG:DEBUG>:_DEBUG>" USE_CMAKE )
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+if ( EINSTEIN_USE_GTEST )
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+	target_compile_definitions ( EinsteinTests PUBLIC "$<$<CONFIG:DEBUG>:_DEBUG>" USE_CMAKE )
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+endif ()
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 if ( EINSTEIN_FLTK_FRONTEND )
348
 	target_compile_definitions ( EinsteinFLGUI PUBLIC "$<$<CONFIG:DEBUG>:_DEBUG>" USE_CMAKE )
349
 endif ()
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351
-target_link_libraries ( EinsteinTests gtest_main )
352
+if ( EINSTEIN_USE_GTEST )
353
+	include( GoogleTest )
354
+	if ( TARGET GTest::gtest_main )
355
+		target_link_libraries ( EinsteinTests GTest::gtest_main )
356
+	elseif ( TARGET gtest_main )
357
+		target_link_libraries ( EinsteinTests gtest_main )
358
+	else ()
359
+		message ( STATUS "GoogleTest found without a gtest_main target; tests disabled." )
360
+	endif ()
361
+endif ()
362
 
363
-gtest_discover_tests ( EinsteinTests )
364
+if ( EINSTEIN_USE_GTEST AND ( TARGET GTest::gtest_main OR TARGET gtest_main ) )
365
+	gtest_discover_tests ( EinsteinTests )
366
+endif ()
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 endif ()
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