lmdb: add package (#4063)

* lmdb: add package

* Update xmake.lua

packages/l/lmdb/port/xmake.lua

@@ -0,0 +1,29 @@
+option("robust_mutex", {default = false})
+option("tools", {default = false})
+
+add_rules("mode.debug", "mode.release")
+
+target("lmdb")
+    set_kind("$(kind)")
+    add_files("mdb.c", "midl.c")
+    add_headerfiles("lmdb.h")
+
+    add_defines("MDB_USE_ROBUST=" .. (has_config("robust_mutex") and "1" or "0"))
+
+    if is_plat("windows") then
+        add_syslinks("Advapi32")
+        if is_kind("shared") then
+            add_rules("utils.symbols.export_all")
+        end
+    elseif is_plat("linux", "bsd") then
+        add_syslinks("pthread")
+    end
+
+if has_config("tools") and (not is_plat("windows")) then
+    for _, name in ipairs({"mdb_stat", "mdb_copy", "mdb_dump", "mdb_load"}) do
+        target(name)
+            set_kind("binary")
+            add_files(name .. ".c")
+            add_deps("lmdb")
+    end
+end

packages/l/lmdb/xmake.lua

@@ -0,0 +1,40 @@
+package("lmdb")
+    set_homepage("http://www.openldap.org/software/repo.html")
+    set_description("Read-only mirror of official repo on openldap.org. Issues and pull requests here are ignored. Use OpenLDAP ITS for issues.")
+
+    add_urls("https://github.com/LMDB/lmdb/archive/refs/tags/LMDB_$(version).tar.gz",
+             "https://github.com/LMDB/lmdb.git")
+
+    add_versions("0.9.31", "dd70a8c67807b3b8532b3e987b0a4e998962ecc28643e1af5ec77696b081c9b0")
+
+    add_configs("robust_mutex", {description = "Enable robust mutex", default = false, type = "boolean"})
+    if is_plat("windows") then
+        add_configs("tools", {description = "Build tools", default = false, type = "boolean", readonly = true})
+    else
+        add_configs("tools", {description = "Build tools", default = false, type = "boolean"})
+    end
+
+    if is_plat("windows") then
+        add_syslinks("Advapi32")
+    elseif is_plat("linux", "bsd") then
+        add_syslinks("pthread")
+    end
+
+    on_install(function (package)
+        local configs = {
+            robust_mutex = package:config("robust_mutex"),
+            tools = package:config("tools"),
+        }
+        package:add("defines", "MDB_USE_ROBUST=" .. (configs.robust_mutex and "1" or "0"))
+        if configs.tools then
+            package:addenv("PATH", "bin")
+        end
+
+        os.cd("libraries/liblmdb")
+        os.cp(path.join(package:scriptdir(), "port", "xmake.lua"), "xmake.lua")
+        import("package.tools.xmake").install(package)
+    end)
+
+    on_test(function (package)
+        assert(package:has_cfuncs("mdb_version", {includes = "lmdb.h"}))
+    end)