nandi/vflutter_ffi · CMakeLists.txt

⑂ 472eb493bac94bdcb79a38829ccca0c541256fef

CMakeLists.txt · 70 lines · 2.6 KBCMake    Blame HistoryRaw
Replace V with Nim  nandithebull 1# Shared CMake logic for every platform that builds the Nim library from
2# source. Included by android/, linux/ and windows/.
Initial commit: V -> Flutter FFI plugin   3cmake_minimum_required(VERSION 3.15)
Replace V with Nim  nandithebull 4project(nimflutter LANGUAGES C)
Initial commit: V -> Flutter FFI plugin   5
Replace V with Nim  nandithebull 6find_program(NIM_EXECUTABLE nim REQUIRED
7  DOC "The Nim compiler. Set -DNIM_EXECUTABLE=/path/to/nim to override.")
Initial commit: V -> Flutter FFI plugin   8
Replace V with Nim  nandithebull 9set(NF_SRC "${CMAKE_CURRENT_LIST_DIR}/nimflutter.nim")
Initial commit: V -> Flutter FFI plugin   10
Replace V with Nim  nandithebull 11# Nim cross-compiles by emitting C, so the reliable pattern is:
12#   Nim source -> C  (Nim's job)     C -> object/library  (the toolchain's)
Initial commit: V -> Flutter FFI plugin   13# This keeps the NDK / MSVC / clang in charge of ABI, sysroot and flags.
Replace V with Nim  nandithebull 14
15# Nim writes one .c per module rather than a single file, and the set is only
16# known after it runs — so it runs at CONFIGURE time and the results are
17# globbed, instead of the add_custom_command a single-file emitter allows.
18set(NF_NIMCACHE "${CMAKE_CURRENT_BINARY_DIR}/nimcache")
20execute_process(
21  COMMAND "${NIM_EXECUTABLE}" c --compileOnly --nimcache:${NF_NIMCACHE}
22          --mm:arc -d:danger --threads:on --noMain "${NF_SRC}"
23  RESULT_VARIABLE NF_NIM_RESULT
24  OUTPUT_VARIABLE NF_NIM_OUTPUT
25  ERROR_VARIABLE NF_NIM_OUTPUT)
26if(NOT NF_NIM_RESULT EQUAL 0)
27  message(FATAL_ERROR "nim failed to emit C:\n${NF_NIM_OUTPUT}")
Initial commit: V -> Flutter FFI plugin   29
Replace V with Nim  nandithebull 30file(GLOB NF_GENERATED_C "${NF_NIMCACHE}/*.c")
31if(NF_GENERATED_C STREQUAL "")
32  message(FATAL_ERROR "nim produced no C in ${NF_NIMCACHE}")
Initial commit: V -> Flutter FFI plugin   34
Replace V with Nim  nandithebull 35add_library(nimflutter SHARED ${NF_GENERATED_C})
Initial commit: V -> Flutter FFI plugin   36
Replace V with Nim  nandithebull 37# nimbase.h lives in Nim's own lib/, alongside the compiler.
38get_filename_component(NF_NIM_BIN "${NIM_EXECUTABLE}" DIRECTORY)
39get_filename_component(NF_NIM_ROOT "${NF_NIM_BIN}" DIRECTORY)
Initial commit: V -> Flutter FFI plugin   40
Replace V with Nim  nandithebull 41target_include_directories(nimflutter PUBLIC
42  "${CMAKE_CURRENT_LIST_DIR}"
43  "${NF_NIM_ROOT}/lib")
45# Nim's generated C is machine output: silence the noise, keep real errors.
Add a Mandelbrot example app, and a V kernel worth demonstrating  nandithebull 46
47# -O2 is set unconditionally, including in Debug. This library is a numeric
48# kernel with no Dart-visible debugger story of its own, and at -O0 the
49# Mandelbrot path runs several times slower than the equivalent Dart — which
50# makes a debug run of the example wildly misrepresent the bridge.
Replace V with Nim  nandithebull 52  target_compile_options(nimflutter PRIVATE /O2)
Add a Mandelbrot example app, and a V kernel worth demonstrating  nandithebull 53
Replace V with Nim  nandithebull 54  target_compile_options(nimflutter PRIVATE
Add a Mandelbrot example app, and a V kernel worth demonstrating  nandithebull 55    -O2 -w -fPIC -Wno-int-conversion -Wno-incompatible-pointer-types)
Initial commit: V -> Flutter FFI plugin   56
58if(ANDROID)
Replace V with Nim  nandithebull 59  target_link_libraries(nimflutter PRIVATE log)
62# Nim's threading support needs pthreads where the platform has them.
63find_package(Threads)
64if(Threads_FOUND AND NOT ANDROID AND NOT WIN32)
65  target_link_libraries(nimflutter PRIVATE Threads::Threads)
Initial commit: V -> Flutter FFI plugin   66
Replace V with Nim  nandithebull 68set_target_properties(nimflutter PROPERTIES
69  OUTPUT_NAME "nimflutter"
Initial commit: V -> Flutter FFI plugin   70  C_VISIBILITY_PRESET hidden)

Replace V with Nim 472eb49 nandithebull yesterday	1	# Shared CMake logic for every platform that builds the Nim library from
Replace V with Nim 472eb49 nandithebull yesterday	2	# source. Included by android/, linux/ and windows/.
Initial commit: V -> Flutter FFI plugin ad0ccda nandi yesterday	3	cmake_minimum_required(VERSION 3.15)
Replace V with Nim 472eb49 nandithebull yesterday	4	project(nimflutter LANGUAGES C)
Initial commit: V -> Flutter FFI plugin ad0ccda nandi yesterday	5
Replace V with Nim 472eb49 nandithebull yesterday	6	find_program(NIM_EXECUTABLE nim REQUIRED
Replace V with Nim 472eb49 nandithebull yesterday	7	DOC "The Nim compiler. Set -DNIM_EXECUTABLE=/path/to/nim to override.")
Initial commit: V -> Flutter FFI plugin ad0ccda nandi yesterday	8
Replace V with Nim 472eb49 nandithebull yesterday	9	set(NF_SRC "${CMAKE_CURRENT_LIST_DIR}/nimflutter.nim")
Initial commit: V -> Flutter FFI plugin ad0ccda nandi yesterday	10
Replace V with Nim 472eb49 nandithebull yesterday	11	# Nim cross-compiles by emitting C, so the reliable pattern is:
Replace V with Nim 472eb49 nandithebull yesterday	12	# Nim source -> C (Nim's job) C -> object/library (the toolchain's)
Initial commit: V -> Flutter FFI plugin ad0ccda nandi yesterday	13	# This keeps the NDK / MSVC / clang in charge of ABI, sysroot and flags.
Replace V with Nim 472eb49 nandithebull yesterday	14	#
	15	# Nim writes one .c per module rather than a single file, and the set is only
	16	# known after it runs — so it runs at CONFIGURE time and the results are
	17	# globbed, instead of the add_custom_command a single-file emitter allows.
	18	set(NF_NIMCACHE "${CMAKE_CURRENT_BINARY_DIR}/nimcache")
	19
	20	execute_process(
	21	COMMAND "${NIM_EXECUTABLE}" c --compileOnly --nimcache:${NF_NIMCACHE}
	22	--mm:arc -d:danger --threads:on --noMain "${NF_SRC}"
	23	RESULT_VARIABLE NF_NIM_RESULT
	24	OUTPUT_VARIABLE NF_NIM_OUTPUT
	25	ERROR_VARIABLE NF_NIM_OUTPUT)
	26	if(NOT NF_NIM_RESULT EQUAL 0)
	27	message(FATAL_ERROR "nim failed to emit C:\n${NF_NIM_OUTPUT}")
	28	endif()
Initial commit: V -> Flutter FFI plugin ad0ccda nandi yesterday	29
Replace V with Nim 472eb49 nandithebull yesterday	30	file(GLOB NF_GENERATED_C "${NF_NIMCACHE}/*.c")
	31	if(NF_GENERATED_C STREQUAL "")
	32	message(FATAL_ERROR "nim produced no C in ${NF_NIMCACHE}")
	33	endif()
Initial commit: V -> Flutter FFI plugin ad0ccda nandi yesterday	34
Replace V with Nim 472eb49 nandithebull yesterday	35	add_library(nimflutter SHARED ${NF_GENERATED_C})
Initial commit: V -> Flutter FFI plugin ad0ccda nandi yesterday	36
Replace V with Nim 472eb49 nandithebull yesterday	37	# nimbase.h lives in Nim's own lib/, alongside the compiler.
	38	get_filename_component(NF_NIM_BIN "${NIM_EXECUTABLE}" DIRECTORY)
	39	get_filename_component(NF_NIM_ROOT "${NF_NIM_BIN}" DIRECTORY)
Initial commit: V -> Flutter FFI plugin ad0ccda nandi yesterday	40
Replace V with Nim 472eb49 nandithebull yesterday	41	target_include_directories(nimflutter PUBLIC
	42	"${CMAKE_CURRENT_LIST_DIR}"
	43	"${NF_NIM_ROOT}/lib")
	44
	45	# Nim'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 yesterday	46	#
	47	# -O2 is set unconditionally, including in Debug. This library is a numeric
	48	# kernel with no Dart-visible debugger story of its own, and at -O0 the
	49	# Mandelbrot path runs several times slower than the equivalent Dart — which
	50	# makes a debug run of the example wildly misrepresent the bridge.
	51	if(MSVC)
Replace V with Nim 472eb49 nandithebull yesterday	52	target_compile_options(nimflutter PRIVATE /O2)
Add a Mandelbrot example app, and a V kernel worth demonstrating 81540bb nandithebull yesterday	53	else()
Replace V with Nim 472eb49 nandithebull yesterday	54	target_compile_options(nimflutter PRIVATE
Add a Mandelbrot example app, and a V kernel worth demonstrating 81540bb nandithebull yesterday	55	-O2 -w -fPIC -Wno-int-conversion -Wno-incompatible-pointer-types)
Initial commit: V -> Flutter FFI plugin ad0ccda nandi yesterday	56	endif()
	57
	58	if(ANDROID)
Replace V with Nim 472eb49 nandithebull yesterday	59	target_link_libraries(nimflutter PRIVATE log)
	60	endif()
	61
	62	# Nim's threading support needs pthreads where the platform has them.
	63	find_package(Threads)
	64	if(Threads_FOUND AND NOT ANDROID AND NOT WIN32)
	65	target_link_libraries(nimflutter PRIVATE Threads::Threads)
Initial commit: V -> Flutter FFI plugin ad0ccda nandi yesterday	66	endif()
	67
Replace V with Nim 472eb49 nandithebull yesterday	68	set_target_properties(nimflutter PROPERTIES
Replace V with Nim 472eb49 nandithebull yesterday	69	OUTPUT_NAME "nimflutter"
Initial commit: V -> Flutter FFI plugin ad0ccda nandi yesterday	70	C_VISIBILITY_PRESET hidden)