whole-function comptime folding for zero-runtime value calls

std/build/build.hon

@@ -0,0 +1,17 @@
+# Build configuration surface for `brolang build` (v0).
+#
+# A project's `build.bro` imports this module and declares a top-level constant
+# named `config` of type `BuildConfig`. `brolang build [root]` type-checks
+# build.bro, reads the config, and writes root/build/name.
+#
+# Declarative and literal-only: one executable per build. List fields take an
+# address-of an array literal (`&["raylib"]`) and default to empty.
+BuildConfig :: struct {
+	name []u8              # output executable name under root/build
+	source []u8            # program package directory, relative to build.bro
+	libraries [][]u8 = &[] # library names to link (-l)
+	lib_paths [][]u8 = &[] # library search directories (-L)
+	includes [][]u8 = &[]  # C include directories (-I)
+	defines [][]u8 = &[]   # C preprocessor defines (name or name=value)
+	links [][]u8 = &[]     # extra linker inputs (object/source files, -framework pairs)
+}