install toolchain packages first

xmake/modules/package/manager/system/find_package.lua

@@ -38,26 +38,6 @@ function _get_package_items()
     return items
 end
 
--- check package toolchains
-function _check_package_toolchains(package)
-    local has_standalone
-    if package:toolchains() then
-        for _, toolchain_inst in ipairs(package:toolchains()) do
-            if toolchain_inst:check() and toolchain_inst:is_standalone() then
-                has_standalone = true
-            end
-        end
-    else
-        -- we need also check platform toolchain, perhaps it has a different platform arch.
-        -- @see https://github.com/xmake-io/xmake/issues/4043#issuecomment-2102486249
-        local platform_inst = platform.load(package:plat(), package:arch())
-        if platform_inst:check() then
-            has_standalone = true
-        end
-    end
-    return has_standalone
-end
-
 -- find package from system and compiler
 -- @see https://github.com/xmake-io/xmake/issues/4596
 --
@@ -80,16 +60,6 @@ function main(name, opt)
     end
     snippet_configs.links = snippet_configs.links or name
 
-    -- We need to check package toolchain first
-    -- https://github.com/xmake-io/xmake/issues/4596#issuecomment-2014528801
-    --
-    -- But if it depends on some toolchain packages,
-    -- then they can't be detected early in the fetch and we have to disable system.find_package
-    local package = opt.package
-    if package and not _check_package_toolchains(package) then
-        return
-    end
-
     local snippet_opt = {
         verbose = opt.verbose,
         target = opt.package,

xmake/modules/private/action/require/impl/actions/install.lua

@@ -223,23 +223,6 @@ function _fix_paths_for_precompiled_package(package)
     end
 end
 
--- check package toolchains
-function _check_package_toolchains(package)
-    if package:toolchains() then
-        for _, toolchain_inst in pairs(package:toolchains()) do
-            if not toolchain_inst:check() then
-                raise("toolchain(\"%s\"): not found!", toolchain_inst:name())
-            end
-        end
-    else
-        -- maybe this package is host package, it's platform and toolchain has been not checked yet.
-        local platform_inst = platform.load(package:plat(), package:arch())
-        if not platform_inst:check() then
-            raise("no any matched platform for this package(%s)!", package:name())
-        end
-    end
-end
-
 -- get failed install directory
 function _get_installdir_failed(package)
     return path.join(package:cachedir(), "installdir.failed")
@@ -404,9 +387,6 @@ function main(package)
                     -- enter the environments of all package dependencies
                     _enter_package_installenvs(package)
 
-                    -- check package toolchains
-                    _check_package_toolchains(package)
-
                     -- do install
                     if script ~= nil then
                         filter.call(script, package, {oldenvs = oldenvs})

xmake/modules/private/action/require/impl/install_packages.lua

@@ -379,8 +379,8 @@ function _should_install_package(instance)
     return result
 end
 
--- install packages
-function _install_packages(packages_install, packages_download, installdeps)
+-- do install packages
+function _do_install_packages(packages_install, packages_download, installdeps)
 
     -- we need to hide wait characters if is not a tty
     local show_wait = io.isatty()
@@ -663,9 +663,7 @@ function _get_package_installdeps(packages)
 end
 
 -- install packages
-function main(requires, opt)
-
-    -- init options
+function _install_packages(requires, opt)
     opt = opt or {}
 
     -- load packages
@@ -794,7 +792,7 @@ function main(requires, opt)
     _sort_packages_urls(packages_download)
 
     -- install all required packages from repositories
-    _install_packages(packages_install, packages_download, installdeps)
+    _do_install_packages(packages_install, packages_download, installdeps)
 
     -- disable other packages in same group
     _disable_other_packages_in_group(packages)
@@ -813,3 +811,13 @@ function main(requires, opt)
     return packages
 end
 
+function main(requires, opt)
+    -- we need to install toolchain packages first,
+    -- because we will call compiler-specific api in package.on_load,
+    -- and we will check package toolchains before calling package.on_load
+    --
+    -- @see https://github.com/xmake-io/xmake/pull/5466
+    _install_packages(requires, table.join(opt or {}, {toolchain = true}))
+    return _install_packages(requires, opt)
+end
+

xmake/modules/private/action/require/impl/package.lua

@@ -487,6 +487,23 @@ function _check_package_configurations(package)
     end
 end
 
+-- check package toolchains
+function _check_package_toolchains(package)
+    if package:toolchains() then
+        for _, toolchain_inst in pairs(package:toolchains()) do
+            if not toolchain_inst:check() then
+                raise("toolchain(\"%s\"): not found!", toolchain_inst:name())
+            end
+        end
+    else
+        -- maybe this package is host package, it's platform and toolchain has been not checked yet.
+        local platform_inst = platform.load(package:plat(), package:arch())
+        if not platform_inst:check() then
+            raise("no any matched platform for this package(%s)!", package:name())
+        end
+    end
+end
+
 -- match require path
 function _match_requirepath(requirepath, requireconf)
 
@@ -937,6 +954,13 @@ function _load_package(packagename, requireinfo, opt)
     -- save require info
     package:requireinfo_set(requireinfo)
 
+    -- only load toolchain package and its deps
+    if opt.toolchain then
+        if package:is_toplevel() and not package:is_toolchain()then
+            return
+        end
+    end
+
     -- init urls source
     package:_init_source()
 
@@ -1004,6 +1028,13 @@ function _load_package(packagename, requireinfo, opt)
         end
     end
 
+    -- we need to check package toolchains before on_load,
+    -- because we will call compiler-specific apis in on_load/on_fetch/find_package ..
+    --
+    -- @see https://github.com/xmake-io/xmake/pull/5466
+    -- https://github.com/xmake-io/xmake/issues/4596#issuecomment-2014528801
+    _check_package_toolchains(package)
+
     -- do load
     package:_load()