libgpiod: rework & fix C++ bindings (#2989)

* libgpiod: update test code

* libgpiod: create port file

* libgpiod: fix add_headerfiles

* libgpiod: add version defines

* libgpiod: print version

* libgpiod: fix version matching

* libgpiod: separate tools & fix program_invocation_name & version

* libgpiod: create on_load

* libgpiod: use before_build

* libgpiod: use add_defines

* libgpiod: use target:add

* libgpiod: add tools-common files

* libgpiod: ignore tools-common on its own

* libgpiod: add quotations around define program_invocation_name

* libgpiod: add configvar_check_csnippets

* libgpiod: make program_invocation_short_name same as program_invocation_name

* libgpiod: add quotations around GPIOD_VERSION_STR

* libgpiod: only get direct cxx files in bindings/cxx

* libgpiod: separate c and cxx bindings

* libgpiod: add options

* libgpiod: on_test use config

* libgpiod: test older version

* libgpiod: make `%[` & `%]` optional

* libgpiod: update test

* libgpiod: fix cxx test

* libgpiod: dont delete chip ptr

* libgpiod: set kind

* libgpiod: add patch for `v1.6.4`

* libgpiod: fix patch hash

* libgpiod: update patch

* libgpiod: set_languages("c89") & move deps

* libgpiod: use c99

* libgpiod: use C++11

* libgpiod: add io.replace

* libgpiod: update patch

* libgpiod: comment set_languages

* libgpiod: move add_includedirs

* libgpiod: set kind to shared if version under v1.6.4

* libgpiod: move includedirs

* libgpiod: remove `delete`

* libgpiod: add link

* libgpiod: use same methods for other deps

* libgpiod: remove libgpiod_cxx

* libgpiod: use add_deps

* libgpiod: add cxx17

* libgpiod: remove before_build

* libgpiod: readd addenv PATH

* libgpiod: test old version

* libgpiod: undo

* libgpiod: remove set config to shared for v1.6.4 static

* libgpiod: add target gpiodcxx

* libgpiod: remove duplicate before_build

* libgpiod: readd versions

* libgpiod: use c11

* libgpiod: use cxx11

* libgpiod: fix target name

* libgpiod: fix add_deps

* libgpiod: set target for tool's language to cxx11

packages/l/libgpiod/port/xmake.lua

@@ -0,0 +1,52 @@
+option("enable_bindings_cxx", {default = true, showmenu = true, description = "Enable C++ bindings"})
+option("enable_tools", {default = true, showmenu = true, description = "Enable tools"})
+
+target("gpiod")
+    set_kind("$(kind)")
+    set_languages("cxx11")
+
+    add_headerfiles("include/(gpiod.h)")
+    add_headerfiles("lib/uapi/*.h")
+    add_files("lib/*.c")
+
+    add_includedirs("include", {public = true})
+
+    before_build(function (target)
+        local configure = io.readfile("configure.ac")
+        local version = configure:match("AC_INIT%(%[libgpiod%], %[?([0-9%.]+)%]?%)")
+        target:add("defines", "GPIOD_VERSION_STR=\"" .. version .. "\"")
+    end)
+
+if has_config("enable_bindings_cxx") then
+    target("gpiodcxx")
+        set_kind("$(kind)")
+        set_languages("cxx17")
+
+        add_headerfiles("bindings/cxx/(gpiod.hpp)")
+        add_headerfiles("bindings/cxx/(gpiodcxx/**.hpp)")
+        add_files("bindings/cxx/*.cpp")
+
+        add_includedirs("bindings/cxx", {public = true})
+
+        add_deps("gpiod")
+end
+
+if has_config("enable_tools") then
+    for _, tool_file in ipairs(os.files("tools/*.c")) do
+        local name = path.basename(tool_file)
+        if name ~= "tools-common" then
+            target(name)
+                set_kind("binary")
+                set_languages("cxx11")
+
+                add_files("tools/" .. name .. ".c")
+                add_headerfiles("tools/tools-common.h")
+                add_files("tools/tools-common.c")
+
+                add_defines("program_invocation_short_name=\"" .. name .. "\"")
+                add_defines("program_invocation_name=\"" .. name .. "\"")
+                
+                add_deps("gpiod")
+        end
+    end
+end

packages/l/libgpiod/xmake.lua

@@ -8,17 +8,39 @@ package("libgpiod")
     add_versions("v2.0", "a0f835c4ca4a2a3ca021090b574235ba58bb9fd612d8a6051fb1350054e04fdd")
     add_versions("v1.6.4", "9f920260c46b155f65cba8796dcf159e4ba56950b85742af357d75a1af709e68")
    
-    add_deps("autoconf-archive", "automake", "libtool", "pkg-config")
+    add_configs("enable_bindings_cxx", {description = "Enable C++ bindings", default = true, type = "boolean"})
+    add_configs("enable_tools", {description = "Enable tools", default = true, type = "boolean"})
 
     on_install("linux", function (package)
-        local configs = {"--enable-tools=yes", "--enable-bindings-cxx"}
-        table.insert(configs, "--enable-shared=" .. (package:config("shared") and "yes" or "no"))
-        table.insert(configs, "--enable-static=" .. (package:config("shared") and "no" or "yes"))
-        import("package.tools.autoconf").install(package, configs)
+        os.cp(path.join(package:scriptdir(), "port", "xmake.lua"), "xmake.lua")
+        local configs = {}
+        if package:config("enable_bindings_cxx") then
+            configs.enable_bindings_cxx = true
+        end
+        if package:config("enable_tools") then
+            configs.enable_tools = true
+        end
+        import("package.tools.xmake").install(package)
         package:addenv("PATH", "bin")
     end)
 
     on_test(function (package)
+        assert(package:check_cxxsnippets({test = [[
+            #include <gpiod.h>
+            void test() {
+                struct gpiod_chip *chip;
+                chip = gpiod_chip_open("/dev/null");
+            }
+        ]]}, {configs = {languages = "c++11"}}))
+        if package:config("enable_bindings_cxx") then
+            assert(package:check_cxxsnippets({test = [[
+                #include <gpiod.hpp>
+                void test() {
+                    gpiod::chip chip("/dev/null");
+                }
+            ]]}, {configs = {languages = "c++17"}}))
+        end
+        if package:config("enable_tools") then
             os.runv("gpiodetect")
-        assert(package:has_cfuncs("gpiod_api_version", {includes = "gpiod.h"}))
+        end
     end)