3 files changed, 67 insertions, 6 deletions
diff --git a/make/bootstrap.lua b/make/bootstrap.lua
index 6c27cf95..00036f34 100644
--- a/make/bootstrap.lua
+++ b/make/bootstrap.lua
@@ -69,6 +69,9 @@ package.searchers[2] = function (name)
         return err
     end
     local f = io.open(filename)
+    if not f then
+        return 'cannot open file:' .. filename
+    end
     local buf = f:read '*a'
     f:close()
     local relative = filename:sub(1, #root) == root and filename:sub(#root + 2) or filename
diff --git a/make/copy_vcrt.lua b/make/copy_vcrt.lua
deleted file mode 100644
index bd08a9fa..00000000
--- a/make/copy_vcrt.lua
+++ /dev/null
@@ -1,6 +0,0 @@
-local output, arch = ...
-local fs = require 'bee.filesystem'
-require 'msvc'.copy_vcrt(
-    arch == "x86" and 'x86' or 'x64',
-    fs.current_path() / output
-)
diff --git a/make/detect_platform.lua b/make/detect_platform.lua
new file mode 100644
index 00000000..8dba298c
--- /dev/null
+++ b/make/detect_platform.lua
@@ -0,0 +1,64 @@
+local lm = require 'luamake'
+
+local platform = require 'bee.platform'
+
+if     platform.OS == 'macOS' then
+    if     lm.platform == nil then
+    elseif lm.platform == "darwin-arm64" then
+        lm.target = "arm64-apple-macos11"
+    elseif lm.platform == "darwin-x64" then
+        lm.target = "x86_64-apple-macos10.12"
+    else
+        error "unknown platform"
+    end
+elseif platform.OS == 'Windows' then
+    if     lm.platform == nil then
+    elseif lm.platform == "win32-ia32" then
+        lm.arch = "x86"
+    elseif lm.platform == "win32-x64" then
+        lm.arch = "x86_64"
+    else
+        error "unknown platform"
+    end
+elseif platform.OS == 'Linux' then
+    if     lm.platform == nil then
+    elseif lm.platform == "linux-x64" then
+    elseif lm.platform == "linux-arm64" then
+        lm.cc = 'aarch64-linux-gnu-gcc'
+    else
+        error "unknown platform"
+    end
+end
+
+local function detectWindowsArch()
+    if os.getenv "PROCESSOR_ARCHITECTURE" == "ARM64" then
+        return "arm64"
+    end
+    if os.getenv "PROCESSOR_ARCHITECTURE" == "AMD64" or os.getenv "PROCESSOR_ARCHITEW6432" == "AMD64" then
+        return "x64"
+    end
+    return "ia32"
+end
+
+local function detectPosixArch()
+    local f <close> = assert(io.popen("uname -m", 'r'))
+    return f:read 'l':lower()
+end
+
+local function detectArch()
+    if platform.OS == 'Windows' then
+        return detectWindowsArch()
+    end
+    return detectPosixArch()
+end
+
+local function targetPlatformArch()
+    if lm.platform == nil then
+        return detectArch()
+    end
+    return lm.platform:match "^[^-]*-(.*)$"
+end
+
+if not lm.notest then
+    lm.notest = (platform.OS ~= 'Windows' and targetPlatformArch() ~= detectArch())
+end