nandi/vflutter_ffi · CMakeLists.txt

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CMakeLists.txt · 48 lines · 1.8 KBCMake    Blame HistoryRaw
Initial commit: V -> Flutter FFI plugin   1# Shared CMake logic for every platform that builds the V library from source.
2# Included by android/, linux/ and windows/.
3cmake_minimum_required(VERSION 3.15)
4project(vflutter LANGUAGES C)
6find_program(V_EXECUTABLE v REQUIRED
7  DOC "The V compiler. Set -DV_EXECUTABLE=/path/to/v to override.")
9set(VF_SRC "${CMAKE_CURRENT_LIST_DIR}/vflutter.v")
11# V cross-compiles by emitting C, so the reliable pattern is:
12#   V source -> C  (V's job)      C -> object/library  (the platform's toolchain)
13# This keeps the NDK / MSVC / clang in charge of ABI, sysroot and flags.
14set(VF_GENERATED_C "${CMAKE_CURRENT_BINARY_DIR}/vflutter.gen.c")
16add_custom_command(
17  OUTPUT "${VF_GENERATED_C}"
18  COMMAND "${V_EXECUTABLE}" -shared -gc none -no-parallel -o "${VF_GENERATED_C}" "${VF_SRC}"
19  DEPENDS "${VF_SRC}"
20  COMMENT "v -shared -> C (${CMAKE_SYSTEM_NAME}/${CMAKE_SYSTEM_PROCESSOR})"
21  VERBATIM)
23add_library(vflutter SHARED "${VF_GENERATED_C}")
25target_include_directories(vflutter PUBLIC "${CMAKE_CURRENT_LIST_DIR}")
27# V's generated C is machine output: silence the noise, keep real errors.
Add a Mandelbrot example app, and a V kernel worth demonstrating  nandithebull 28
29# -O2 is set unconditionally, including in Debug. This library is a numeric
30# kernel with no Dart-visible debugger story of its own, and at -O0 the
31# Mandelbrot path runs several times slower than the equivalent Dart — which
32# makes a debug run of the example wildly misrepresent the bridge.
34  target_compile_options(vflutter PRIVATE /O2)
Initial commit: V -> Flutter FFI plugin   36  target_compile_options(vflutter PRIVATE
Add a Mandelbrot example app, and a V kernel worth demonstrating  nandithebull 37    -O2 -w -fPIC -Wno-int-conversion -Wno-incompatible-pointer-types)
Initial commit: V -> Flutter FFI plugin   38
40# Boehm GC ships with V and is linked statically by the V toolchain on desktop;
41# on Android it must come from the NDK-built copy. See tool/build_gc.sh.
42if(ANDROID)
43  target_link_libraries(vflutter PRIVATE log)
46set_target_properties(vflutter PROPERTIES
47  OUTPUT_NAME "vflutter"
48  C_VISIBILITY_PRESET hidden)

Initial commit: V -> Flutter FFI plugin ad0ccda nandi 5h ago	1	# Shared CMake logic for every platform that builds the V library from source.
	2	# Included by android/, linux/ and windows/.
	3	cmake_minimum_required(VERSION 3.15)
	4	project(vflutter LANGUAGES C)
	5
	6	find_program(V_EXECUTABLE v REQUIRED
	7	DOC "The V compiler. Set -DV_EXECUTABLE=/path/to/v to override.")
	8
	9	set(VF_SRC "${CMAKE_CURRENT_LIST_DIR}/vflutter.v")
	10
	11	# V cross-compiles by emitting C, so the reliable pattern is:
	12	# V source -> C (V's job) C -> object/library (the platform's toolchain)
	13	# This keeps the NDK / MSVC / clang in charge of ABI, sysroot and flags.
	14	set(VF_GENERATED_C "${CMAKE_CURRENT_BINARY_DIR}/vflutter.gen.c")
	15
	16	add_custom_command(
	17	OUTPUT "${VF_GENERATED_C}"
	18	COMMAND "${V_EXECUTABLE}" -shared -gc none -no-parallel -o "${VF_GENERATED_C}" "${VF_SRC}"
	19	DEPENDS "${VF_SRC}"
	20	COMMENT "v -shared -> C (${CMAKE_SYSTEM_NAME}/${CMAKE_SYSTEM_PROCESSOR})"
	21	VERBATIM)
	22
	23	add_library(vflutter SHARED "${VF_GENERATED_C}")
	24
	25	target_include_directories(vflutter PUBLIC "${CMAKE_CURRENT_LIST_DIR}")
	26
	27	# V's generated C is machine output: silence the noise, keep real errors.
Add a Mandelbrot example app, and a V kernel worth demonstrating 81540bb nandithebull 1h ago	28	#
	29	# -O2 is set unconditionally, including in Debug. This library is a numeric
	30	# kernel with no Dart-visible debugger story of its own, and at -O0 the
	31	# Mandelbrot path runs several times slower than the equivalent Dart — which
	32	# makes a debug run of the example wildly misrepresent the bridge.
	33	if(MSVC)
	34	target_compile_options(vflutter PRIVATE /O2)
	35	else()
Initial commit: V -> Flutter FFI plugin ad0ccda nandi 5h ago	36	target_compile_options(vflutter PRIVATE
Add a Mandelbrot example app, and a V kernel worth demonstrating 81540bb nandithebull 1h ago	37	-O2 -w -fPIC -Wno-int-conversion -Wno-incompatible-pointer-types)
Initial commit: V -> Flutter FFI plugin ad0ccda nandi 5h ago	38	endif()
	39
	40	# Boehm GC ships with V and is linked statically by the V toolchain on desktop;
	41	# on Android it must come from the NDK-built copy. See tool/build_gc.sh.
	42	if(ANDROID)
	43	target_link_libraries(vflutter PRIVATE log)
	44	endif()
	45
	46	set_target_properties(vflutter PROPERTIES
	47	OUTPUT_NAME "vflutter"
	48	C_VISIBILITY_PRESET hidden)