Add iOS CI support

.github/workflows/main.yml

@@ -73,6 +73,17 @@ jobs:
             PKG_CONFIG_PATH: /usr/local/opt/openssl/lib/pkgconfig
             SKIP_SSH_TESTS: true
             SKIP_NEGOTIATE_TESTS: true
+        - name: "iOS"
+          id: ios
+          os: macos-14
+          setup-script: ios
+          env:
+            CC: clang
+            CMAKE_OPTIONS: -DREGEX_BACKEND=regcomp_l -DDEPRECATE_HARD=ON -DUSE_LEAK_CHECKER=leaks -DUSE_GSSAPI=ON -DCMAKE_TOOLCHAIN_FILE=ios.toolchain.cmake -DCMAKE_SYSTEM_NAME=iOS -DPLATFORM=OS64
+            CMAKE_GENERATOR: Ninja
+            PKG_CONFIG_PATH: /usr/local/opt/openssl/lib/pkgconfig
+            SKIP_SSH_TESTS: true
+            SKIP_NEGOTIATE_TESTS: true
         - name: "Windows (amd64, Visual Studio, Schannel)"
           id: windows-amd64-vs
           os: windows-2019

ci/setup-ios-benchmark.sh

@@ -0,0 +1,6 @@
+#!/bin/sh
+
+set -ex
+
+brew update
+brew install hyperfine

ci/setup-ios-build.sh

@@ -0,0 +1,10 @@
+#!/bin/sh
+
+set -ex
+
+brew update
+brew install pkgconfig libssh2 ninja
+
+ln -s /Applications/Xcode.app/Contents/Developer/usr/lib/libLeaksAtExit.dylib /usr/local/lib
+
+curl -s -L https://raw.githubusercontent.com/leetal/ios-cmake/master/ios.toolchain.cmake -o ios.toolchain.cmake