From 577b30e72f791f8410ab5cd6bfc9766a7c62cf2d Mon Sep 17 00:00:00 2001
From: sh <37271604+shumvgolove@users.noreply.github.com>
Date: Mon, 13 Apr 2026 13:40:27 +0000
Subject: [PATCH] nix: strip ios library (#6503)

* strip ios like in android

* remove strip-unneeded in mac

* strip only simplex-chat libs

* flake.nix: strip only local symbols in MacOS library

* flake.nix: make libs writable

* flake.nix: better strip placement

* reduce framework size by exporting only public API symbols
---
 apps/ios/SimpleX.xcodeproj/project.pbxproj |  3 +++
 apps/ios/SimpleXChat/exported_symbols.txt  | 11 +++++++++++
 flake.nix                                  |  1 +
 3 files changed, 15 insertions(+)
 create mode 100644 apps/ios/SimpleXChat/exported_symbols.txt

diff --git a/apps/ios/SimpleX.xcodeproj/project.pbxproj b/apps/ios/SimpleX.xcodeproj/project.pbxproj
index c977f5709c..ef37f26097 100644
--- a/apps/ios/SimpleX.xcodeproj/project.pbxproj
+++ b/apps/ios/SimpleX.xcodeproj/project.pbxproj
@@ -2319,6 +2319,9 @@
 				SWIFT_OPTIMIZATION_LEVEL = "-O";
 				SWIFT_VERSION = 5.0;
 				TARGETED_DEVICE_FAMILY = "1,2";
+				EXPORTED_SYMBOLS_FILE = "$(PROJECT_DIR)/SimpleXChat/exported_symbols.txt";
+				STRIP_INSTALLED_PRODUCT = YES;
+				STRIP_STYLE = "non-global";
 				VALIDATE_PRODUCT = YES;
 				VERSIONING_SYSTEM = "apple-generic";
 				VERSION_INFO_PREFIX = "";
diff --git a/apps/ios/SimpleXChat/exported_symbols.txt b/apps/ios/SimpleXChat/exported_symbols.txt
new file mode 100644
index 0000000000..52c3bf83e9
--- /dev/null
+++ b/apps/ios/SimpleXChat/exported_symbols.txt
@@ -0,0 +1,11 @@
+# Swift mangled symbols (Swift 5+ ABI stable prefix)
+_$s*
+
+# ObjC class/metaclass symbols (for NSObject subclasses)
+_OBJC_CLASS_$_*
+_OBJC_METACLASS_$_*
+
+# C API (SimpleX.h bridging header)
+_chat_*
+_haskell_init*
+_hs_init*
diff --git a/flake.nix b/flake.nix
index c130e1a1fd..43f4e8912a 100644
--- a/flake.nix
+++ b/flake.nix
@@ -93,6 +93,7 @@
         for pkg in $out/_pkg/*.a; do
           chmod +w $pkg
           ${mac2ios.packages.${system}.mac2ios}/bin/mac2ios $pkg
+          [[ "$pkg" == *simplex-chat* ]] && ${pkgs.stdenv.cc.targetPrefix}strip -x $pkg
           chmod -w $pkg
         done