add libsais (#1547)

packages/l/libsais/xmake.lua

@@ -0,0 +1,27 @@
+package("libsais")
+    set_homepage("https://github.com/IlyaGrebnov/libsais")
+    set_description("libsais is a library for linear time suffix array, longest common prefix array and burrows wheeler transform construction based on induced sorting algorithm.")
+    set_license("Apache-2.0")
+
+    add_urls("https://github.com/IlyaGrebnov/libsais/archive/refs/tags/$(version).tar.gz",
+             "https://github.com/IlyaGrebnov/libsais.git")
+    add_versions("v2.7.1", "5f459ad90cd007c30aaefb7d122bba2a4307ea02915c56381be4b331cca92545")
+
+    on_install(function (package)
+        local configs = {}
+        io.writefile("xmake.lua", [[
+            add_rules("mode.release", "mode.debug")
+            target("libsais")
+               set_kind("$(kind)")
+               add_files("src/*.c")
+               add_headerfiles("src/(*.h)")
+        ]])
+        if package:config("shared") then
+            configs.kind = "shared"
+        end
+        import("package.tools.xmake").install(package, configs)
+    end)
+
+    on_test(function (package)
+        assert(package:has_cfuncs("libsais_create_ctx", {includes = "libsais.h"}))
+    end)

scripts/new.lua

@@ -155,6 +155,7 @@ function _generate_package_from_github(reponame)
         file:print('            target("%s")', packagename)
         file:write('               set_kind("$(kind)")\n')
         file:print('               add_files("src/*.c")')
+        file:print('               add_headerfiles("src/(*.h)")')
         file:print('        ]])')
         file:print('        if package:config("shared") then')
         file:print('            configs.kind = "shared"')