[cmake, deps] conjure common/httplib.h and remove global def for httplib macros (#3800)

httplib stuff done by @crueter on #3797

+ some extra stuff since the warning push/pop should be in header i fear :)

Signed-off-by: lizzie <lizzie@eden-emu.dev>

Co-authored-by: crueter <crueter@eden-emu.dev>
Reviewed-on: https://git.eden-emu.dev/eden-emu/eden/pulls/3800
Reviewed-by: crueter <crueter@eden-emu.dev>
Co-authored-by: lizzie <lizzie@eden-emu.dev>
Co-committed-by: lizzie <lizzie@eden-emu.dev>

externals/CMakeLists.txt

@@ -62,6 +62,12 @@ endif()
 # unordered_dense
 AddJsonPackage(unordered-dense)
 
+# httplib
+if (IOS)
+    set(HTTPLIB_USE_BROTLI_IF_AVAILABLE OFF)
+endif()
+AddJsonPackage(httplib)
+
 if (YUZU_STATIC_ROOM)
     return()
 endif()
@@ -227,9 +233,6 @@ if (VulkanMemoryAllocator_ADDED)
     endif()
 endif()
 
-# httplib
-AddJsonPackage(httplib)
-
 # cpp-jwt
 if (ENABLE_WEB_SERVICE OR ENABLE_UPDATE_CHECKER)
     AddJsonPackage(cpp-jwt)

externals/cpmfile.json

@@ -36,7 +36,8 @@
             "0002-fix-zstd.patch"
         ],
         "options": [
-            "HTTPLIB_REQUIRE_OPENSSL ON"
+            "HTTPLIB_REQUIRE_OPENSSL ON",
+            "HTTPLIB_DISABLE_MACOSX_AUTOMATIC_ROOT_CERTIFICATES ON"
         ]
     },
     "cpp-jwt": {