Add macOS Catalyst support

Backported from fork:

- https://github.com/balthisar/openssl-xcframeworks

README.md

@@ -3,6 +3,7 @@
 ![iOS support](https://img.shields.io/badge/iOS-11+-blue.svg)
 ![tvOS support](https://img.shields.io/badge/tvOS-11+-blue.svg)
 ![macOS support](https://img.shields.io/badge/macOS-10.11+-blue.svg)
+![macOS Catalyst support](https://img.shields.io/badge/macOS%20Catalyst-10.15+-blue.svg)
 ![watchOS support](https://img.shields.io/badge/watchOS-4.0+-blue.svg)
 ![OpenSSL version](https://img.shields.io/badge/OpenSSL-1.1.1g-green.svg)
 [![license](https://img.shields.io/badge/license-Apache%202.0-lightgrey.svg)](LICENSE)

assets/Catalyst/Info.plist

@@ -0,0 +1,24 @@
+<?xml version="1.0" encoding="UTF-8"?>
+ <!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+ <plist version="1.0">
+ <dict>
+ 	<key>CFBundleDevelopmentRegion</key>
+ 	<string>en</string>
+ 	<key>CFBundleExecutable</key>
+ 	<string>openssl</string>
+ 	<key>CFBundleIdentifier</key>
+ 	<string>org.openssl.OpenSSL</string>
+ 	<key>CFBundleInfoDictionaryVersion</key>
+ 	<string>6.0</string>
+ 	<key>CFBundleName</key>
+ 	<string>openssl</string>
+ 	<key>CFBundlePackageType</key>
+ 	<string>FMWK</string>
+ 	<key>CFBundleShortVersionString</key>
+ 	<string>1.0</string>
+ 	<key>CFBundleVersion</key>
+ 	<string>1</string>
+ 	<key>MinimumOSVersion</key>
+ 	<string>10.15</string>
+ </dict>
+ </plist>

build-libssl.sh

@@ -1,7 +1,7 @@
 #!/bin/sh
 
 #  Automatic build script for libssl and libcrypto
-#  for iPhoneOS and iPhoneSimulator
+#  for Apple devices.
 #
 #  Created by Felix Schulze on 16.12.10.
 #  Copyright 2010-2017 Felix Schulze. All rights reserved.
@@ -28,13 +28,13 @@ set -u
 DEFAULTVERSION="1.1.1h"
 
 # Default (=full) set of targets (OpenSSL >= 1.1.1) to build
-#DEFAULTTARGETS="ios-sim-cross-x86_64 ios64-cross-arm64 ios-cross-armv7s ios-cross-armv7 tvos-sim-cross-x86_64 tvos64-cross-arm64 macos64-x86_64"
+DEFAULTTARGETS="ios-sim-cross-x86_64 ios64-cross-arm64 ios64-cross-arm64e tvos-sim-cross-x86_64 tvos64-cross-arm64 macos64-x86_64 watchos-cross-armv7k watchos-cross-arm64_32 watchos-sim-cross-i386 watchos-sim-cross-x86_64 mac-catalyst-x86_64"
-DEFAULTTARGETS="ios-sim-cross-x86_64 ios64-cross-arm64 ios64-cross-arm64e tvos-sim-cross-x86_64 tvos64-cross-arm64 macos64-x86_64 watchos-cross-armv7k watchos-cross-arm64_32 watchos-sim-cross-i386 watchos-sim-cross-x86_64"
 
 # Minimum iOS/tvOS SDK version to build for
 IOS_MIN_SDK_VERSION="12.0"
 TVOS_MIN_SDK_VERSION="12.0"
 MACOS_MIN_SDK_VERSION="10.15"
+CATALYST_MIN_SDK_VERSION="10.15"
 WATCHOS_MIN_SDK_VERSION="4.0"
 
 # Init optional env variables (use available variable or default to empty string)
@@ -50,6 +50,7 @@ echo_help()
   echo "     --ec-nistp-64-gcc-128         Enable configure option enable-ec_nistp_64_gcc_128 for 64 bit builds"
   echo " -h, --help                        Print help (this message)"
   echo "     --macos-sdk=SDKVERSION        Override macOS SDK version"
+  echo "     --catalyst-sdk=SDKVERSION     Override macOS SDK version for Catalyst"
   echo "     --ios-sdk=SDKVERSION          Override iOS SDK version"
   echo "     --tvos-sdk=SDKVERSION         Override tvOS SDK version"
   echo "     --watchos-sdk=SDKVERSION      Override watchOS SDK version"
@@ -178,6 +179,10 @@ finish_build_loop()
     LIBSSL_IOS+=("${TARGETDIR}/lib/libssl.a")
     LIBCRYPTO_IOS+=("${TARGETDIR}/lib/libcrypto.a")
     OPENSSLCONF_SUFFIX="ios_${ARCH}"
+  elif [[ "${PLATFORM}" == Catalyst* ]]; then
+    LIBSSL_CATALYST+=("${TARGETDIR}/lib/libssl.a")
+    LIBCRYPTO_CATALYST+=("${TARGETDIR}/lib/libcrypto.a")
+    OPENSSLCONF_SUFFIX="catalyst_${ARCH}"
   else
     LIBSSL_MACOS+=("${TARGETDIR}/lib/libssl.a")
     LIBCRYPTO_MACOS+=("${TARGETDIR}/lib/libcrypto.a")
@@ -203,6 +208,7 @@ CONFIG_ENABLE_EC_NISTP_64_GCC_128=""
 CONFIG_DISABLE_BITCODE=""
 CONFIG_NO_DEPRECATED=""
 MACOS_SDKVERSION=""
+CATALYST_SDKVERSION=""
 IOS_SDKVERSION=""
 WATCHOS_SDKVERSION=""
 LOG_VERBOSE=""
@@ -239,6 +245,10 @@ case $i in
     MACOS_SDKVERSION="${i#*=}"
     shift
     ;;
+  --catalyst-sdk=*)
+    CATALYST_SDKVERSION="${i#*=}"
+    shift
+    ;;
   --ios-sdk=*)
     IOS_SDKVERSION="${i#*=}"
     shift
@@ -342,6 +352,9 @@ fi
 if [ ! -n "${MACOS_SDKVERSION}" ]; then
   MACOS_SDKVERSION=$(xcrun -sdk macosx --show-sdk-version)
 fi
+if [ ! -n "${CATALYST_SDKVERSION}" ]; then
+  CATALYST_SDKVERSION=$(xcrun -sdk macosx --show-sdk-version)
+fi
 if [ ! -n "${IOS_SDKVERSION}" ]; then
   IOS_SDKVERSION=$(xcrun -sdk iphoneos --show-sdk-version)
 fi
@@ -355,6 +368,8 @@ fi
 # Truncate to minor version
 MINOR_VERSION=(${MACOS_SDKVERSION//./ })
 MACOS_SDKVERSION="${MINOR_VERSION[0]}.${MINOR_VERSION[1]}"
+MINOR_VERSION=(${CATALYST_SDKVERSION//./ })
+CATALYST_SDKVERSION="${MINOR_VERSION[0]}.${MINOR_VERSION[1]}"
 
 # Determine number of cores for (parallel) build
 BUILD_THREADS=1
@@ -399,6 +414,7 @@ echo "Build options"
 echo "  OpenSSL version: ${VERSION}"
 echo "  Targets: ${TARGETS}"
 echo "  macOS SDK: ${MACOS_SDKVERSION} (min ${MACOS_MIN_SDK_VERSION})"
+echo "  macOS SDK (Catalyst): ${CATALYST_SDKVERSION} (min ${CATALYST_MIN_SDK_VERSION})"
 echo "  iOS SDK: ${IOS_SDKVERSION} (min ${IOS_MIN_SDK_VERSION})"
 echo "  tvOS SDK: ${TVOS_SDKVERSION} (min ${TVOS_MIN_SDK_VERSION})"
 echo "  watchOS SDK: ${WATCHOS_SDKVERSION} (min ${WATCHOS_MIN_SDK_VERSION})"
@@ -480,6 +496,8 @@ INCLUDE_DIR=""
 OPENSSLCONF_ALL=()
 LIBSSL_MACOS=()
 LIBCRYPTO_MACOS=()
+LIBSSL_CATALYST=()
+LIBCRYPTO_CATALYST=()
 LIBSSL_IOS=()
 LIBCRYPTO_IOS=()
 LIBSSL_TVOS=()
@@ -496,6 +514,13 @@ if [ ${#LIBSSL_MACOS[@]} -gt 0 ]; then
   lipo -create ${LIBCRYPTO_MACOS[@]} -output "${CURRENTPATH}/lib/libcrypto-MacOSX.a"
 fi
 
+#Build Catalyst library if selected for build
+if [ ${#LIBSSL_CATALYST[@]} -gt 0 ]; then
+  echo "Build library for Catalyst..."
+  lipo -create ${LIBSSL_CATALYST[@]} -output "${CURRENTPATH}/lib/libssl-Catalyst.a"
+  lipo -create ${LIBCRYPTO_CATALYST[@]} -output "${CURRENTPATH}/lib/libcrypto-Catalyst.a"
+fi
+
 # Build iOS library if selected for build
 if [ ${#LIBSSL_IOS[@]} -gt 0 ]; then
   echo "Build library for iOS..."
@@ -544,6 +569,9 @@ if [ ${#OPENSSLCONF_ALL[@]} -gt 1 ]; then
       *_macos_i386.h)
         DEFINE_CONDITION="TARGET_OS_OSX && TARGET_CPU_X86"
       ;;
+      *_catalyst_x86_64.h)
+        DEFINE_CONDITION="(TARGET_OS_MACCATALYST || (TARGET_OS_IOS && TARGET_OS_SIMULATOR)) && TARGET_CPU_X86_64"
+      ;;
       *_ios_x86_64.h)
         DEFINE_CONDITION="TARGET_OS_IOS && TARGET_OS_SIMULATOR && TARGET_CPU_X86_64"
       ;;

config/20-all-platforms.conf

@@ -164,4 +164,19 @@ my %targets = ();
         inherit_from     => [ "darwin-i386-cc", "macos-base" ],
         sys_id           => "macOS",
     },
+
+    ## Catalyst
+    # Based on
+    "mac-catalyst-base" => {
+        inherit_from    => [ "all-base" ],
+        template        => 1,
+#        cflags          => add(sub { defined($ENV{'CATALYST_MIN_SDK_VERSION'}) ? '-mmacosx-version-min=$(CATALYST_MIN_SDK_VERSION)' : '-mmacosx-version-min=10.15'; }),
+    },
+
+    ## Catalyst (armv7s)
+    "mac-catalyst-x86_64" => {
+        inherit_from      => [ "darwin64-x86_64-cc", "mac-catalyst-base" ],
+        cflags            => add("-target x86_64-apple-ios13.0-macabi"),
+        sys_id            => "MacOSX",
+    },
 );

create-openssl-framework.sh

@@ -21,7 +21,7 @@ if [ -d $FWROOT ]; then
     rm -rf $FWROOT
 fi
 
-ALL_SYSTEMS=("iPhone" "AppleTV" "MacOSX" "WatchOS")
+ALL_SYSTEMS=("iPhone" "AppleTV" "MacOSX" "Catalyst" "WatchOS")
 
 function check_bitcode() {
     local FWDIR=$1
@@ -132,10 +132,6 @@ if [ $FWTYPE == "dynamic" ]; then
 
         echo "Assembling .dylib for $PLATFORM $SDKVERSION ($ARCH)"
 
-        CROSS_TOP="${DEVELOPER}/Platforms/${PLATFORM}.platform/Developer"
-        CROSS_SDK="${PLATFORM}${SDKVERSION}.sdk"
-        SDK="${CROSS_TOP}/SDKs/${CROSS_SDK}"
-
         MIN_SDK_VERSION=$(get_min_sdk "${TARGETDIR}/lib/libcrypto.a")
         if [[ $PLATFORM == AppleTVSimulator* ]]; then
             MIN_SDK="-tvos_simulator_version_min $MIN_SDK_VERSION"
@@ -143,6 +139,9 @@ if [ $FWTYPE == "dynamic" ]; then
             MIN_SDK="-tvos_version_min $MIN_SDK_VERSION"
         elif [[ $PLATFORM == MacOSX* ]]; then
             MIN_SDK="-macosx_version_min $MIN_SDK_VERSION"
+        elif [[ $PLATFORM == Catalyst* ]]; then
+            MIN_SDK="-platform_version mac-catalyst 13.0 $MIN_SDK_VERSION"
+            PLATFORM="MacOSX"
         elif [[ $PLATFORM == iPhoneSimulator* ]]; then
             MIN_SDK="-ios_simulator_version_min $MIN_SDK_VERSION"
         elif [[ $PLATFORM == WatchOS* ]]; then
@@ -153,6 +152,10 @@ if [ $FWTYPE == "dynamic" ]; then
             MIN_SDK="-ios_version_min $MIN_SDK_VERSION"
         fi
 
+        CROSS_TOP="${DEVELOPER}/Platforms/${PLATFORM}.platform/Developer"
+        CROSS_SDK="${PLATFORM}${SDKVERSION}.sdk"
+        SDK="${CROSS_TOP}/SDKs/${CROSS_SDK}"
+
         #cd $TARGETDIR
         #libtool -dynamic -lSystem $MIN_SDK -syslibroot $SDK -install_name $INSTALL_NAME -compatibility_version $COMPAT_VERSION -current_version $CURRENT_VERSION lib/*.a -o $FWNAME.dylib
 

scripts/build-loop-targets.sh

@@ -26,6 +26,8 @@ do
     SDKVERSION="${TVOS_SDKVERSION}"
   elif [[ "${TARGET}" == macos* ]]; then
     SDKVERSION="${MACOS_SDKVERSION}"
+  elif [[ "${TARGET}" == mac-catalyst-* ]]; then
+    SDKVERSION="${CATALYST_SDKVERSION}"
   elif [[ "${TARGET}" == watchos* ]]; then
     SDKVERSION="${WATCHOS_SDKVERSION}"
   else
@@ -35,6 +37,7 @@ do
   # These variables are used in the configuration file
   export SDKVERSION
   export MACOS_MIN_SDK_VERSION
+  export CATALYST_MIN_SDK_VERSION
   export IOS_MIN_SDK_VERSION
   export TVOS_MIN_SDK_VERSION
   export WATCHOS_MIN_SDK_VERSION
@@ -49,6 +52,8 @@ do
     PLATFORM="AppleTVOS"
   elif [[ "${TARGET}" == "macos"* ]]; then
     PLATFORM="MacOSX"
+  elif [[ "${TARGET}" == "mac-catalyst-"* ]]; then
+    PLATFORM="MacOSX"
   elif [[ "${TARGET}" == "watchos-sim-cross"* ]]; then
     PLATFORM="WatchSimulator"
   elif [[ "${TARGET}" == "watchos"* ]]; then
@@ -66,6 +71,10 @@ do
   export CROSS_SDK="${PLATFORM}${SDKVERSION}.sdk"
 
   # Prepare TARGETDIR and SOURCEDIR
+  PLATFORM="${PLATFORM}"
+  if [[ "${TARGET}" == "mac-catalyst-"* ]]; then
+    PLATFORM="Catalyst"
+  fi
   prepare_target_source_dirs
 
   ## Determine config options
@@ -79,6 +88,12 @@ do
     LOCAL_CONFIG_OPTIONS="${LOCAL_CONFIG_OPTIONS} enable-ec_nistp_64_gcc_128"
   fi
 
+  # openssl-1.1.1 tries to use an unguarded fork(), affecting AppleTVOS and WatchOS.
+  # Luckily this is only present in the testing suite and can be built without it.
+  if [[ $PLATFORM == "AppleTV"* || $PLATFORM == "Watch"* ]]; then
+    LOCAL_CONFIG_OPTIONS="${LOCAL_CONFIG_OPTIONS} no-tests"
+  fi
+
   # Run Configure
   run_configure