diff --git a/cmake/LibraryNaming.cmake b/cmake/LibraryNaming.cmake
index d71919fa..5f263436 100644
--- a/cmake/LibraryNaming.cmake
+++ b/cmake/LibraryNaming.cmake
@@ -54,6 +54,8 @@ check_group_build_target(XASH_SERENITY XASH_PLATFORM)
 check_group_build_target(XASH_IRIX XASH_PLATFORM)
 check_group_build_target(XASH_NSWITCH XASH_PLATFORM)
 check_group_build_target(XASH_PSVITA XASH_PLATFORM)
+check_group_build_target(XASH_WASI XASH_PLATFORM)
+check_group_build_target(XASH_SUNOS XASH_PLATFORM)
 check_group_build_target(XASH_X86 XASH_ARCHITECTURE)
 check_group_build_target(XASH_AMD64 XASH_ARCHITECTURE)
 check_group_build_target(XASH_ARM XASH_ARCHITECTURE)
@@ -105,6 +107,10 @@ elseif(XASH_PSVITA)
 	set(BUILDOS "psvita")
 elseif(XASH_IRIX)
 	set(BUILDOS "irix")
+elseif(XASH_WASI)
+	set(BUILDOS "wasi")
+elseif(XASH_SUNOS)
+	set(BUILDOS "sunos")
 else()
 	message(SEND_ERROR "Place your operating system name here! If this is a mistake, try to fix conditions above and report a bug")
 endif()
diff --git a/public/build.h b/public/build.h
index 851939b5..24fd9d5b 100644
--- a/public/build.h
+++ b/public/build.h
@@ -81,10 +81,13 @@ Then you can use another oneliner to query all variables:
 #undef XASH_RISCV_SINGLEFP
 #undef XASH_RISCV_SOFTFP
 #undef XASH_SERENITY
+#undef XASH_SUNOS
 #undef XASH_WIN32
 #undef XASH_X86
 #undef XASH_NSWITCH
 #undef XASH_PSVITA
+#undef XASH_WASI
+#undef XASH_WASM
 
 //================================================================
 //
@@ -126,6 +129,10 @@ Then you can use another oneliner to query all variables:
 		#define XASH_NSWITCH 1
 	#elif defined __vita__
 		#define XASH_PSVITA 1
+	#elif defined __wasi__
+		#define XASH_WASI 1
+	#elif defined __sun__
+		#define XASH_SUNOS 1
 	#else
 		#error
 	#endif
@@ -234,10 +241,19 @@ Then you can use another oneliner to query all variables:
 	#else
 		#error "Unknown RISC-V float ABI"
 	#endif
+#elif defined __wasm__
+	#if defined __wasm64__
+		#define XASH_64BIT 1
+	#endif
+	#define XASH_WASM 1
 #else
 	#error "Place your architecture name here! If this is a mistake, try to fix conditions above and report a bug"
 #endif
 
+#if !XASH_64BIT && ( defined( __LP64__ ) || defined( _LP64 ))
+#define XASH_64BIT 1
+#endif
+
 #if XASH_ARM == 8
 	#define XASH_ARMv8 1
 #elif XASH_ARM == 7
diff --git a/scripts/waifulib/library_naming.py b/scripts/waifulib/library_naming.py
index ac2faf6f..0095a88c 100644
--- a/scripts/waifulib/library_naming.py
+++ b/scripts/waifulib/library_naming.py
@@ -60,6 +60,8 @@ DEFINES = [
 'XASH_X86',
 'XASH_NSWITCH',
 'XASH_PSVITA',
+'XASH_WASI',
+'XASH_SUNOS',
 ]
 
 def configure(conf):
@@ -97,6 +99,10 @@ def configure(conf):
 		buildos = "psvita"
 	elif conf.env.XASH_IRIX:
 		buildos = "irix"
+	elif conf.env.XASH_WASI:
+		buildos = "wasi"
+	elif conf.env.XASH_SUNOS:
+		buildos = "sunos"
 	else:
 		conf.fatal("Place your operating system name in build.h and library_naming.py!\n"
 			"If this is a mistake, try to fix conditions above and report a bug")