Update hyperlight-guest build.rs to compile assembly files

Author: ludfjig

src/hyperlight_guest/build.rs

@@ -52,59 +52,12 @@ fn cargo_main() {
     }
 
     if cfg!(feature = "libc") {
-        cfg.file("third_party/libc/musl/src/ctype/isalpha.c")
-            .file("third_party/libc/musl/src/ctype/isalnum.c")
-            .file("third_party/libc/musl/src/ctype/isdigit.c")
-            .file("third_party/libc/musl/src/ctype/isgraph.c")
-            .file("third_party/libc/musl/src/ctype/islower.c")
-            .file("third_party/libc/musl/src/ctype/isprint.c")
-            .file("third_party/libc/musl/src/ctype/isspace.c")
-            .file("third_party/libc/musl/src/ctype/isupper.c")
-            .file("third_party/libc/musl/src/ctype/isxdigit.c")
-            .file("third_party/libc/musl/src/ctype/tolower.c")
-            .file("third_party/libc/musl/src/ctype/toupper.c")
-            .file("third_party/libc/musl/src/errno/__errno_location.c")
-            .file("third_party/libc/musl/src/internal/floatscan.c")
-            .file("third_party/libc/musl/src/internal/intscan.c")
-            .file("third_party/libc/musl/src/internal/shgetc.c")
-            .file("third_party/libc/musl/src/math/copysign.c")
-            .file("third_party/libc/musl/src/math/copysignl.c")
-            .file("third_party/libc/musl/src/math/fabs.c")
-            .file("third_party/libc/musl/src/math/fabsl.c")
-            .file("third_party/libc/musl/src/math/fmod.c")
-            .file("third_party/libc/musl/src/math/fmodl.c")
-            .file("third_party/libc/musl/src/math/scalbnl.c")
-            .file("third_party/libc/musl/src/math/__signbit.c")
-            .file("third_party/libc/musl/src/math/__signbitl.c")
-            .file("third_party/libc/musl/src/math/__fpclassify.c")
-            .file("third_party/libc/musl/src/math/__fpclassifyl.c")
-            .file("third_party/libc/musl/src/stdio/__toread.c")
-            .file("third_party/libc/musl/src/stdio/__uflow.c")
-            .file("third_party/libc/musl/src/stdlib/atoi.c")
-            .file("third_party/libc/musl/src/stdlib/strtod.c")
-            .file("third_party/libc/musl/src/stdlib/strtol.c")
-            .file("third_party/libc/musl/src/stdlib/qsort.c")
-            .file("third_party/libc/musl/src/stdlib/qsort_nr.c")
-            .file("third_party/libc/musl/src/stdlib/bsearch.c")
-            .file("third_party/libc/musl/src/string/memchr.c")
-            .file("third_party/libc/musl/src/string/memcmp.c")
-            .file("third_party/libc/musl/src/string/memcpy.c")
-            .file("third_party/libc/musl/src/string/memmove.c")
-            .file("third_party/libc/musl/src/string/memset.c")
-            .file("third_party/libc/musl/src/string/stpncpy.c")
-            .file("third_party/libc/musl/src/string/strchr.c")
-            .file("third_party/libc/musl/src/string/strchrnul.c")
-            .file("third_party/libc/musl/src/string/strcmp.c")
-            .file("third_party/libc/musl/src/string/strcspn.c")
-            .file("third_party/libc/musl/src/string/strlen.c")
-            .file("third_party/libc/musl/src/string/strncasecmp.c")
-            .file("third_party/libc/musl/src/string/strncat.c")
-            .file("third_party/libc/musl/src/string/strncmp.c")
-            .file("third_party/libc/musl/src/string/strncpy.c")
-            .file("third_party/libc/musl/src/string/strspn.c")
-            .file("third_party/libc/musl/src/string/strstr.c")
-            .file("third_party/libc/musl/src/prng/rand.c")
-            .include("third_party/libc/musl/src/include")
+        let entries = glob::glob("third_party/libc/musl/**/*.[cs]") // .c and .s files
+            .expect("glob pattern should be valid")
+            .filter_map(Result::ok);
+        cfg.files(entries);
+
+        cfg.include("third_party/libc/musl/src/include")
             .include("third_party/libc/musl/include")
             .include("third_party/libc/musl/src/internal")
             .include("third_party/libc/musl/arch/generic")
@@ -132,14 +85,18 @@ fn cargo_main() {
         }
         cfg.define("__x86_64__", None);
         cfg.define("__LITTLE_ENDIAN__", None);
+        cfg.define("HYPERLIGHT", None);
 
         // silence compiler warnings
-        cfg.flag("-Wno-sign-compare");
-        cfg.flag("-Wno-bitwise-op-parentheses");
-        cfg.flag("-Wno-unknown-pragmas");
-        cfg.flag("-Wno-shift-op-parentheses");
-        cfg.flag("-Wno-logical-op-parentheses");
-        cfg.flag("-Wno-unused-but-set-variable");
+        cfg.flag("-Wno-unused-command-line-argument") // including .s files makes clang believe arguments are unused
+            .flag("-Wno-sign-compare")
+            .flag("-Wno-bitwise-op-parentheses")
+            .flag("-Wno-unknown-pragmas")
+            .flag("-Wno-shift-op-parentheses")
+            .flag("-Wno-logical-op-parentheses")
+            .flag("-Wno-unused-but-set-variable")
+            .flag("-Wno-unused-parameter")
+            .flag("-Wno-string-plus-int");
 
         if is_pe {
             cfg.compiler("clang-cl");