ci: Add a dist profile with optimised binary size

Cargo.toml

@@ -169,6 +169,19 @@ unused_async = "warn"
 # Saves a lot of disk space. If symbols are needed, use the dbg profile.
 debug = 0
 
+# Profile for debug builds with full optimization and minimal debug symbols.
+# This should be just enough to have proper backtraces, having way smaller binaries
+# (10% of the size with full debug symbols profile, like `reldbg`).
+# This profile differs from `reldbg` in not containing the debug symbols needed for
+# debugging with LLDB/GDB, trading that for binary size, allowing quick iterations
+# of building the bindings, installing in a real device, testing your changes, repeat.
+# It's also different from `dev` in having enough debug symbols to display backtraces.
+[profile.reldev]
+inherits = "dev"
+opt-level = 3
+debug = "line-tables-only"
+strip = "debuginfo"
+
 [profile.dev.package]
 # Optimize quote even in debug mode. Speeds up proc-macros enough to account
 # for the extra time of optimizing it for a clean build of matrix-sdk-ffi.
@@ -189,6 +202,16 @@ debug = 2
 inherits = "dbg"
 opt-level = 3
 
+[profile.dist]
+# Use release profile as a base
+inherits = "release"
+# Strip the minimal debug info, while still allowing us to have proper backtraces, but it will affect debuggers
+strip = "debuginfo"
+# Use link time optimizations
+lto = true
+# Use binary size optimization, since this is intended for distributed copies of the SDK
+opt-level = "s"
+
 [profile.profiling]
 inherits = "release"
 # LTO is too slow to compile.

bindings/matrix-sdk-ffi/Cargo.toml

@@ -95,6 +95,7 @@ sentry = { workspace = true, optional = true, default-features = false, features
   # Most default features enabled otherwise.
   "backtrace",
   "contexts",
+  "debug-images",
   "panic",
   "reqwest",
   "sentry-debug-images",