fix: emscripten libc, dynamic feature targets for emscripten, vcpkg triplets for linux

.cargo/config.toml

@@ -1,10 +1,12 @@
-[target.wasm32-unknown-emscripten]
+[target.'cfg(target_os = "emscripten")']
 # TODO: Document what the fuck this is.
 rustflags = [
-    "-O", "-C", "link-args=-O2 --profiling",
+    # "-O", "-C", "link-args=-O2 --profiling",
     #"-C", "link-args=-O3 --closure 1",
+    # "-C", "link-args=-g -gsource-map",
     "-C", "link-args=-sASYNCIFY -sALLOW_MEMORY_GROWTH=1",
-    "-C", "link-args=-sUSE_SDL=2 -sUSE_SDL_IMAGE=2 -sSDL2_IMAGE_FORMATS=['png']",
+    # "-C", "link-args=-sALLOW_MEMORY_GROWTH=1",
+    "-C", "link-args=-sUSE_SDL=2 -sUSE_SDL_IMAGE=2 -sUSE_SDL_MIXER=2 -sUSE_OGG=1 -sUSE_SDL_GFX=2 -sUSE_SDL_TTF=2 -sSDL2_IMAGE_FORMATS=['png']",
     # USE_OGG, USE_VORBIS for OGG/VORBIS usage
     "-C", "link-args=--preload-file assets/",
-]
+]

Cargo.lock

@@ -89,6 +89,7 @@ name = "pacman"
 version = "0.1.0"
 dependencies = [
  "lazy_static",
+ "libc",
  "sdl2",
  "spin_sleep",
  "tracing",

Cargo.toml

@@ -13,7 +13,13 @@ tracing-error = "0.2.0"
 tracing-subscriber = {version = "0.3.17", features = ["env-filter"]}
 winapi = { version = "0.3", features = ["consoleapi", "fileapi", "handleapi", "processenv", "winbase", "wincon", "winnt", "winuser", "windef", "minwindef"] }
 
-[dependencies.sdl2]
+
+[target.'cfg(target_os = "emscripten")'.dependencies.sdl2]
+version = "0.38"
+default-features = false
+features = ["ttf","image","gfx","mixer"]
+
+[target.'cfg(not(target_os = "emscripten"))'.dependencies.sdl2]
 version = "0.38"
 default-features = false
 features = ["ttf","image","gfx","mixer","static-link","use-vcpkg"]
@@ -24,4 +30,8 @@ git = "https://github.com/microsoft/vcpkg"
 rev = "2024.05.24" # release 2024.05.24 # to check for a new one, check https://github.com/microsoft/vcpkg/releases
 
 [package.metadata.vcpkg.target]
-x86_64-pc-windows-msvc = { triplet = "x64-windows-static-md" }
+x86_64-pc-windows-msvc = { triplet = "x64-windows-static-md" }
+stable-x86_64-unknown-linux-gnu = { triplet = "x86_64-unknown-linux-gnu" }
+
+[target.'cfg(target_os = "emscripten")'.dependencies]
+libc = "0.2.16"