set lto=true for deltachat-core

DcCore/DcCore.xcodeproj/project.pbxproj

@@ -308,7 +308,7 @@
 			);
 			runOnlyForDeploymentPostprocessing = 0;
 			shellPath = /bin/sh;
-			shellScript = "# The $PATH used by XCode likely won't contain Cargo, fix that.\n# This assumes a default `rustup` setup.\nexport PATH=\"$HOME/.cargo/bin:$PATH\"\n\nexport CFLAGS_x86_64_apple_darwin=\"-I /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX.sdk/usr/include\"\n\n# ensure all targets are installed\nrustup target add aarch64-apple-ios x86_64-apple-ios --toolchain `cat ../deltachat-ios/libraries/deltachat-core-rust/rust-toolchain`\n\n# --xcode-integ determines --release and --targets from XCode's env vars.\n# Depending your setup, specify the rustup toolchain explicitly.\ncargo +`cat ../deltachat-ios/libraries/deltachat-core-rust/rust-toolchain` lipo --release --manifest-path ../deltachat-ios/libraries/deltachat-core-rust/deltachat-ffi/Cargo.toml\n";
+			shellScript = "# The $PATH used by XCode likely won't contain Cargo, fix that.\n# This assumes a default `rustup` setup.\nexport PATH=\"$HOME/.cargo/bin:$PATH\"\n\nexport CFLAGS_x86_64_apple_darwin=\"-I /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX.sdk/usr/include\"\n\n# ensure all targets are installed\nrustup target add aarch64-apple-ios x86_64-apple-ios --toolchain `cat ../deltachat-ios/libraries/deltachat-core-rust/rust-toolchain`\n\n# --xcode-integ determines --release and --targets from XCode's env vars.\n# Depending your setup, specify the rustup toolchain explicitly.\nRUSTFLAGS=\"-C lto=on\" \\\ncargo +`cat ../deltachat-ios/libraries/deltachat-core-rust/rust-toolchain` lipo --release --manifest-path ../deltachat-ios/libraries/deltachat-core-rust/deltachat-ffi/Cargo.toml\n";
 		};
 /* End PBXShellScriptBuildPhase section */
 

deltachat-ios.xcodeproj/project.pbxproj

@@ -1330,7 +1330,7 @@
 			);
 			runOnlyForDeploymentPostprocessing = 0;
 			shellPath = /bin/sh;
-			shellScript = "# The $PATH used by XCode likely won't contain Cargo, fix that.\n# This assumes a default `rustup` setup.\n export PATH=\"$HOME/.cargo/bin:$PATH\"\n\n export CFLAGS_x86_64_apple_darwin=\"-I /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX.sdk/usr/include\"\n\n# ensure all targets are installed\n rustup target add aarch64-apple-ios x86_64-apple-ios --toolchain `cat deltachat-ios/libraries/deltachat-core-rust/rust-toolchain`\n\n# --xcode-integ determines --release and --targets from XCode's env vars.\n# Depending your setup, specify the rustup toolchain explicitly.\n cargo +`cat deltachat-ios/libraries/deltachat-core-rust/rust-toolchain` lipo --release --manifest-path deltachat-ios/libraries/deltachat-core-rust/deltachat-ffi/Cargo.toml\n";
+			shellScript = "# The $PATH used by XCode likely won't contain Cargo, fix that.\n# This assumes a default `rustup` setup.\n export PATH=\"$HOME/.cargo/bin:$PATH\"\n\n export CFLAGS_x86_64_apple_darwin=\"-I /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX.sdk/usr/include\"\n\n# ensure all targets are installed\n rustup target add aarch64-apple-ios x86_64-apple-ios --toolchain `cat deltachat-ios/libraries/deltachat-core-rust/rust-toolchain`\n\n# --xcode-integ determines --release and --targets from XCode's env vars.\n# Depending your setup, specify the rustup toolchain explicitly.\nRUSTFLAGS=\"-C lto=on\" \\\n cargo +`cat deltachat-ios/libraries/deltachat-core-rust/rust-toolchain` lipo --release --manifest-path deltachat-ios/libraries/deltachat-core-rust/deltachat-ffi/Cargo.toml\n";
 		};
 		78BB0FE6A8C17A549A144EDE /* [CP] Check Pods Manifest.lock */ = {
 			isa = PBXShellScriptBuildPhase;

docs/release-checklist.md

@@ -2,12 +2,8 @@
 
 on the command-line:
 
-1. a) update core rust submodule, if needed:
-      $ ./tools/update-core.sh
-
-   b) make sure, `lto = true` is present in
-      `deltachat-ios/libraries/deltachat-core-rust/Cargo.toml`
-
+1. update core rust submodule, if needed:
+   $ ./tools/update-core.sh
    depending on how much you trust in rust, you might want to do a
    ./tools/clean-core.sh before building