Port bld cache to linux successfuly

bld_file.cpp

@@ -1,5 +1,35 @@
 #include "bld_lib.cpp"
 
+Strs cc = ON_WINDOWS("cl") ON_MAC("clang") ON_LINUX("gcc");
+
+int CompileFiles(Strs files) {
+    int result = 0;
+    Str exe = FilenameWithoutExt(files[0]);
+    Str filestr = Merge(files);
+    if (cc == "gcc") {
+        result = OS_SystemF("g++ -o %Q.exe %Q -g -Wno-write-strings", exe, filestr);
+    }
+    else if (cc == "clang") {
+        result = OS_SystemF("clang++ -o %Q.exe %Q -g -Wno-writable-strings", exe, filestr);
+    }
+    else {
+        result = OS_SystemF("cl -Fe:%Q.exe %Q -Zi -WX -W3 -wd4200 -diagnostics:column -nologo -D_CRT_SECURE_NO_WARNINGS", exe, filestr);
+    }
+    return result;
+}
+
+int Main() {
+    Strs files = ListDir("../test");
+    For(files) {
+        if (S8_Find(it, "test_"_s, 0, 0)) {
+            CompileFiles(it);
+        }
+    }
+
+    return 0;
+}
+
+#if 0 // msvc flag reference
 int Main() {
     bool debug = true;
     bool release = !debug;
@@ -9,7 +39,7 @@ int Main() {
     Strs flags = Split("-WX -W3 -wd4200 -diagnostics:column -nologo -Z7 -FC -GF -Gm- -Oi -Zo -D_CRT_SECURE_NO_WARNINGS");
     Strs link = Split("-link -incremental:no");
     Strs files = Split("../test/main_core_as_header.cpp ../core.c");
-    // files += IfCodeWasModified("../core.c", "../core.obj");
+    // files += IfCodeWasModified("../core.c", "../core.obj"); // .o for linux!
     if (use_std) {
         flags += Split("-GR- -EHa-");
     }
@@ -32,8 +62,9 @@ int Main() {
             if (error != 0) return error;
         }
 
-        objs += S8_Format(Perm, "../build/%Q.obj", FilenameWithoutExt(it));
+        objs += S8_Format(Perm, "../build/%Q.obj", FilenameWithoutExt(it)); // .o for linux!
     }
     int error = Run(cc + objs + flags + link);
     return error;
-}
+}
+#endif