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package("flann")
set_homepage("https://github.com/flann-lib/flann/")
set_description("Fast Library for Approximate Nearest Neighbors")
set_license("BSD-3-Clause")
add_urls("https://github.com/flann-lib/flann/archive/refs/tags/$(version).tar.gz",
"https://github.com/flann-lib/flann.git")
add_versions("1.9.1", "b23b5f4e71139faa3bcb39e6bbcc76967fbaf308c4ee9d4f5bfbeceaa76cc5d3")
add_versions("1.9.2", "e26829bb0017f317d9cc45ab83ddcb8b16d75ada1ae07157006c1e7d601c8824")
add_patches("1.9.1", path.join(os.scriptdir(), "patches", "1.9.1", "cuda10.patch"), "087492b422362f42c83b320296d9af7b22023cf20d81ea7bd99efabd1535f7d6")
add_configs("with_cuda", {description = "Enable cuda build.", default = false, type = "boolean"})
add_deps("cmake", "lz4")
on_load(function (package)
if package:is_plat("windows", "mingw") and not package:config("shared") then
package:add("defines", "FLANN_STATIC")
end
if package:config("with_cuda") then
package:add("deps", "cuda", {system = true})
package:add("defines", "FLANN_USE_CUDA")
end
local suffix = package:config("shared") and "" or "_s"
local libs = package:config("with_cuda") and {"flann"} or {"flann", "flann_cuda"}
for _, lib in ipairs(libs) do
package:add("links", lib .. suffix)
end
end)
on_install(function (package)
os.cd("src/cpp")
io.replace("flann/util/serialization.h", "flann/ext/lz4", "lz4", {plain = true})
io.replace("flann/defines.h", "#ifdef WIN32", "#ifdef _WIN32", {plain = true})
io.writefile("xmake.lua", format([[
add_rules("mode.debug", "mode.release")
add_requires("lz4")
if is_plat("windows", "mingw") then
if is_kind("static") then
add_defines("FLANN_STATIC")
elseif is_kind("shared") then
add_defines("FLANN_EXPORTS")
end
add_cxxflags("/bigobj")
end
if is_kind("static") then
set_suffixname("_s")
end
target("flann")
set_kind("$(kind)")
add_rules("utils.install.cmake_importfiles")
add_files("flann/flann.cpp")
add_includedirs(".")
add_includedirs("flann")
add_packages("lz4")
add_headerfiles("(flann/config.h)", "(flann/defines.h)", "(flann/flann.h)")
add_headerfiles("(flann/flann.hpp)", "(flann/general.h)", "(flann/algorithms/*.h)", "(flann/io/*.h)", "(flann/nn/*.h)", "(flann/util/*.h)")
target("flann_cuda")
set_enabled(%s)
set_kind("$(kind)")
add_rules("utils.install.cmake_importfiles")
add_files("flann/algorithms/*.cu")
add_defines("FLANN_USE_CUDA")
add_includedirs(".")
add_includedirs("flann")
add_packages("lz4")
]], package:config("with_cuda") and "true" or "false"))
import("package.tools.xmake").install(package)
end)
on_test(function (package)
assert(package:has_cfuncs("flann_find_nearest_neighbors_index", {includes = "flann/flann.h"}))
end)