support cross trybuild for meson

1 files changed, 153 insertions, 3 deletions

diff --git a/xmake/modules/private/action/trybuild/meson.lua b/xmake/modules/private/action/trybuild/meson.lua
index f2baaff21..395084793 100644
--- a/xmake/modules/private/action/trybuild/meson.lua
+++ b/xmake/modules/private/action/trybuild/meson.lua
@@ -21,6 +21,7 @@
 -- imports
 import("core.base.option")
 import("core.project.config")
+import("core.platform.platform")
 import("lib.detect.find_file")
 import("lib.detect.find_tool")
 
@@ -34,6 +35,153 @@ function _get_artifacts_dir()
     return path.absolute(path.join(_get_buildir(), "artifacts"))
 end
 
+-- is cross compilation?
+function _is_cross_compilation()
+    if not is_plat(os.subhost()) then
+        return true
+    end
+    if is_plat("macosx") and not is_arch(os.subarch()) then
+        return true
+    end
+    return false
+end
+
+-- get pkg-config
+function _get_pkgconfig()
+    if is_plat("windows") then
+        local pkgconf = find_tool("pkgconf")
+        if pkgconf then
+            return pkgconf.program
+        end
+    end
+    local pkgconfig = find_tool("pkg-config")
+    if pkgconfig then
+        return pkgconfig.program
+    end
+end
+
+-- get the build environment
+function _get_buildenv(key)
+    local value = config.get(key)
+    if value == nil then
+        value = platform.toolconfig(key, config.plat())
+    end
+    if value == nil then
+        value = platform.tool(key, config.plat())
+    end
+    return value
+end
+
+-- get cross file
+function _get_cross_file(buildir)
+    local crossfile = path.join(buildir, "cross_file.txt")
+    if not os.isfile(crossfile) then
+        local file = io.open(crossfile, "w")
+        -- binaries
+        file:print("[binaries]")
+        local cc = _get_buildenv("cc")
+        if cc then
+            file:print("c='%s'", cc)
+        end
+        local cxx = _get_buildenv("cxx")
+        if cxx then
+            file:print("cpp='%s'", cxx)
+        end
+        local ld = _get_buildenv("ld")
+        if ld then
+            file:print("ld='%s'", ld)
+        end
+        local ar = _get_buildenv("ar")
+        if ar then
+            file:print("ar='%s'", ar)
+        end
+        local strip = _get_buildenv("strip")
+        if strip then
+            file:print("strip='%s'", strip)
+        end
+        local ranlib = _get_buildenv("ranlib")
+        if ranlib then
+            file:print("ranlib='%s'", ranlib)
+        end
+        if is_plat("mingw") then
+            local mrc = _get_buildenv("mrc")
+            if mrc then
+                file:print("windres='%s'", mrc)
+            end
+        end
+        local cmake = find_tool("cmake")
+        if cmake then
+            file:print("cmake='%s'", cmake.program)
+        end
+        local pkgconfig = _get_pkgconfig()
+        if pkgconfig then
+            file:print("pkgconfig='%s'", pkgconfig)
+        end
+        file:print("")
+
+        -- built-in options
+        file:print("[built-in options]")
+        local cflags   = table.join(table.wrap(_get_buildenv("cxflags")), _get_buildenv("cflags"))
+        local cxxflags = table.join(table.wrap(_get_buildenv("cxflags")), _get_buildenv("cxxflags"))
+        local asflags  = table.wrap(_get_buildenv("asflags"))
+        local arflags  = table.wrap(_get_buildenv("arflags"))
+        local ldflags  = table.wrap(_get_buildenv("ldflags"))
+        local shflags  = table.wrap(_get_buildenv("shflags"))
+        if #cflags > 0 then
+            file:print("c_args=['%s']", table.concat(cflags, "', '"))
+        end
+        if #cxxflags > 0 then
+            file:print("cpp_args=['%s']", table.concat(cxxflags, "', '"))
+        end
+        local linkflags = table.join(ldflags or {}, shflags)
+        if #linkflags > 0 then
+            file:print("c_link_args=['%s']", table.concat(linkflags, "', '"))
+            file:print("cpp_link_args=['%s']", table.concat(linkflags, "', '"))
+        end
+        file:print("")
+
+        -- host machine
+        file:print("[host_machine]")
+        if is_plat("iphoneos", "macosx") then
+            -- TODO
+        elseif is_plat("android") then
+            -- TODO
+        elseif is_plat("mingw") then
+            local cpu
+            local cpu_family
+            if is_arch("x64", "x86_64") then
+                cpu = "x86_64"
+                cpu_family = "x86_64"
+            elseif is_arch("x86", "i386") then
+                cpu = "i686"
+                cpu_family = "x86"
+            else
+                raise("unsupported arch(%s)", config.arch())
+            end
+            file:print("system = 'windows'")
+            file:print("cpu_family = '%s'", cpu_family)
+            file:print("cpu = '%s'", cpu)
+            file:print("endian = 'little'")
+        elseif is_plat("cross") then
+            local cpu = config.arch()
+            if is_arch("arm64") then
+                cpu = "aarch64"
+            elseif is_arch("arm.*") then
+                cpu = "arm"
+            end
+            local cpu_family = cpu
+            file:print("system = '%s'", get_config("target_os") or "linux")
+            file:print("cpu_family = '%s'", cpu_family)
+            file:print("cpu = '%s'", cpu)
+            file:print("endian = 'little'")
+        end
+        file:print("")
+        file:close()
+    end
+    return crossfile
+end
+
+
 -- get configs
 function _get_configs(artifacts_dir, buildir)
 
@@ -51,6 +199,11 @@ function _get_configs(artifacts_dir, buildir)
         end
     end
 
+    -- add cross file
+    if _is_cross_compilation() then
+        table.insert(configs, "--cross-file=" .. _get_cross_file(buildir))
+    end
+
     -- add build directory
     table.insert(configs, buildir)
     return configs
@@ -85,9 +238,6 @@ end
 -- do build
 function build()
 
-    -- only support the current subsystem host platform now!
-    assert(is_subhost(config.plat()), "meson: %s not supported!", config.plat())
-
     -- get artifacts directory
     local artifacts_dir = _get_artifacts_dir()
     if not os.isdir(artifacts_dir) then