1 files changed, 34 insertions, 1 deletions
diff --git a/core/math/SCsub b/core/math/SCsub
index 1c5f954470..4e76efceff 100644
--- a/core/math/SCsub
+++ b/core/math/SCsub
@@ -2,4 +2,37 @@
 
 Import('env')
 
-env.add_source_files(env.core_sources, "*.cpp")
+env_math = env.Clone() # Maybe make one specific for crypto?
+
+is_builtin = env["builtin_mbedtls"]
+has_module = env["module_mbedtls_enabled"]
+
+if is_builtin or not has_module:
+    # Use our headers for builtin or if the module is not going to be compiled.
+    # We decided not to depend on system mbedtls just for these few files that can
+    # be easily extracted.
+    env_math.Prepend(CPPPATH=["#thirdparty/mbedtls/include"])
+
+# MbedTLS core functions (for CryptoCore).
+# If the mbedtls module is compiled we don't need to add the .c files with our
+# custom config since they will be built by the module itself.
+# Only if the module is not enabled, we must compile here the required sources
+# to make a "light" build with only the necessary mbedtls files.
+if not has_module:
+    env_thirdparty = env_math.Clone()
+    env_thirdparty.disable_warnings()
+    # Custom config file
+    env_thirdparty.Append(CPPFLAGS=['-DMBEDTLS_CONFIG_FILE="\\"thirdparty/mbedtls/include/godot_core_mbedtls_config.h\\""'])
+    thirdparty_mbedtls_dir = "#thirdparty/mbedtls/library/"
+    thirdparty_mbedtls_sources = [
+        "aes.c",
+        "base64.c",
+        "md5.c",
+        "sha1.c",
+        "sha256.c",
+        "godot_core_mbedtls_platform.c"
+    ]
+    thirdparty_mbedtls_sources = [thirdparty_mbedtls_dir + file for file in thirdparty_mbedtls_sources]
+    env_thirdparty.add_source_files(env.core_sources, thirdparty_mbedtls_sources)
+
+env_math.add_source_files(env.core_sources, "*.cpp")