Merge pull request #1950

f5bd3465 IOS CMAKE build settings (Jaquee)
d8a88d05 add IOS CMAKE toolchain (Jaquee)

7 files changed, 206 insertions, 21 deletions

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 1061da413..ceebd49ef 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -27,6 +27,9 @@
 # THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 #
 # Parts of this file are originally copyright (c) 2012-2013 The Cryptonote developers
+if (IOS)
+    INCLUDE(CmakeLists_IOS.txt)
+endif()
 
 cmake_minimum_required(VERSION 2.8.7)
 
@@ -77,7 +80,7 @@ if (ARM_TEST STREQUAL "arm")
   endif()
 endif()
 
-if (ARM_ID STREQUAL "aarch64")
+if (ARM_ID STREQUAL "aarch64" OR ARM_ID STREQUAL "arm64")
   set(ARM 1)
   set(ARM8 1)
 endif()
@@ -312,7 +315,7 @@ else()
 endif()
 
 # Handle OpenSSL, used for sha256sum on binary updates
-if (APPLE)
+if (APPLE AND NOT IOS)
   if (NOT OpenSSL_DIR)
       EXECUTE_PROCESS(COMMAND brew --prefix openssl
         OUTPUT_VARIABLE OPENSSL_ROOT_DIR
@@ -322,7 +325,7 @@ if (APPLE)
 endif()
 
 find_package(OpenSSL REQUIRED)
-if(STATIC)
+if(STATIC AND NOT IOS)
   if(UNIX)
     set(OPENSSL_LIBRARIES "${OPENSSL_LIBRARIES};${CMAKE_DL_LIBS}")
   endif()
@@ -337,7 +340,7 @@ endif()
 add_subdirectory(external)
 
 # Final setup for miniupnpc
-if(UPNP_STATIC)
+if(UPNP_STATIC OR IOS)
   add_definitions("-DUPNP_STATIC")
 else()
   add_definitions("-DUPNP_DYNAMIC")
@@ -541,8 +544,9 @@ else()
 
   endif(ARM)
 
-  if(ANDROID AND NOT BUILD_GUI_DEPS STREQUAL "ON")
+  if(ANDROID AND NOT BUILD_GUI_DEPS STREQUAL "ON" OR IOS)
     #From Android 5: "only position independent executables (PIE) are supported" 
+    message(STATUS "Enabling PIE executable")
     set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -fPIE")
     set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fPIE")
     set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_CXX_FLAGS} -fPIE -pie")
@@ -651,7 +655,7 @@ list(APPEND EXTRA_LIBRARIES ${CMAKE_DL_LIBS})
 if(ANDROID)
   set(ATOMIC libatomic.a)
 endif()
-if(CMAKE_C_COMPILER_ID STREQUAL "Clang" AND ARCH_WIDTH EQUAL "32")
+if(CMAKE_C_COMPILER_ID STREQUAL "Clang" AND ARCH_WIDTH EQUAL "32" AND NOT IOS)
   find_library(ATOMIC atomic)
   list(APPEND EXTRA_LIBRARIES ${ATOMIC})
 endif()
diff --git a/CMakeLists_IOS.txt b/CMakeLists_IOS.txt
new file mode 100644
index 000000000..4dab94cb3
--- /dev/null
+++ b/CMakeLists_IOS.txt
@@ -0,0 +1,164 @@
+# Portions Copyright (c) 2017, The Monero Project
+# This file is based off of the https://code.google.com/archive/p/ios-cmake/
+# It has been altered for Monero iOS development
+#
+#
+# Options:
+#
+# IOS_PLATFORM = OS (default) or SIMULATOR or SIMULATOR64
+#   This decides if SDKS will be selected from the iPhoneOS.platform or iPhoneSimulator.platform folders
+#   OS - the default, used to build for iPhone and iPad physical devices, which have an arm arch.
+#   SIMULATOR - used to build for the Simulator platforms, which have an x86 arch.
+#
+# CMAKE_IOS_DEVELOPER_ROOT = automatic(default) or /path/to/platform/Developer folder
+#   By default this location is automatcially chosen based on the IOS_PLATFORM value above.
+#   If set manually, it will override the default location and force the user of a particular Developer Platform
+#
+# CMAKE_IOS_SDK_ROOT = automatic(default) or /path/to/platform/Developer/SDKs/SDK folder
+#   By default this location is automatcially chosen based on the CMAKE_IOS_DEVELOPER_ROOT value.
+#   In this case it will always be the most up-to-date SDK found in the CMAKE_IOS_DEVELOPER_ROOT path.
+#   If set manually, this will force the use of a specific SDK version
+
+
+# Standard settings
+set (CMAKE_SYSTEM_NAME Darwin)
+set (CMAKE_SYSTEM_VERSION 1)
+set (UNIX True)
+set (APPLE True)
+set (IOS True)
+
+# Required as of cmake 2.8.10
+set (CMAKE_OSX_DEPLOYMENT_TARGET "" CACHE STRING "Force unset of the deployment target for iOS" FORCE)
+
+# Determine the cmake host system version so we know where to find the iOS SDKs
+find_program (CMAKE_UNAME uname /bin /usr/bin /usr/local/bin)
+if (CMAKE_UNAME)
+	exec_program(uname ARGS -r OUTPUT_VARIABLE CMAKE_HOST_SYSTEM_VERSION)
+	string (REGEX REPLACE "^([0-9]+)\\.([0-9]+).*$" "\\1" DARWIN_MAJOR_VERSION "${CMAKE_HOST_SYSTEM_VERSION}")
+endif (CMAKE_UNAME)
+
+# Force the compilers to gcc for iOS
+include (CMakeForceCompiler)
+# set (MAKE_C_COMPILER "/usr/bin/gcc Apple")
+# set (CMAKE_CXX_COMPILER "/usr/bin/g++ Apple")
+set(CMAKE_AR ar CACHE FILEPATH "" FORCE)
+
+# Skip the platform compiler checks for cross compiling
+set (CMAKE_CXX_COMPILER_WORKS TRUE)
+set (CMAKE_C_COMPILER_WORKS TRUE)
+
+# All iOS/Darwin specific settings - some may be redundant
+set (CMAKE_SHARED_LIBRARY_PREFIX "lib")
+set (CMAKE_SHARED_LIBRARY_SUFFIX ".dylib")
+set (CMAKE_SHARED_MODULE_PREFIX "lib")
+set (CMAKE_SHARED_MODULE_SUFFIX ".so")
+set (CMAKE_MODULE_EXISTS 1)
+set (CMAKE_DL_LIBS "")
+
+set (CMAKE_C_OSX_COMPATIBILITY_VERSION_FLAG "-compatibility_version ")
+set (CMAKE_C_OSX_CURRENT_VERSION_FLAG "-current_version ")
+set (CMAKE_CXX_OSX_COMPATIBILITY_VERSION_FLAG "${CMAKE_C_OSX_COMPATIBILITY_VERSION_FLAG}")
+set (CMAKE_CXX_OSX_CURRENT_VERSION_FLAG "${CMAKE_C_OSX_CURRENT_VERSION_FLAG}")
+
+# Hidden visibilty is required for cxx on iOS 
+set (CMAKE_C_FLAGS_INIT "")
+set (CMAKE_CXX_FLAGS_INIT "-fvisibility=hidden -fvisibility-inlines-hidden")
+
+set (CMAKE_C_LINK_FLAGS "-Wl,-search_paths_first ${CMAKE_C_LINK_FLAGS}")
+set (CMAKE_CXX_LINK_FLAGS "-Wl,-search_paths_first ${CMAKE_CXX_LINK_FLAGS}")
+
+set (CMAKE_PLATFORM_HAS_INSTALLNAME 1)
+set (CMAKE_SHARED_LIBRARY_CREATE_C_FLAGS "-dynamiclib -headerpad_max_install_names")
+set (CMAKE_SHARED_MODULE_CREATE_C_FLAGS "-bundle -headerpad_max_install_names")
+set (CMAKE_SHARED_MODULE_LOADER_C_FLAG "-Wl,-bundle_loader,")
+set (CMAKE_SHARED_MODULE_LOADER_CXX_FLAG "-Wl,-bundle_loader,")
+set (CMAKE_FIND_LIBRARY_SUFFIXES ".dylib" ".so" ".a")
+
+# Setup iOS platform unless specified manually with IOS_PLATFORM
+if (NOT DEFINED IOS_PLATFORM)
+	set (IOS_PLATFORM "OS")
+endif (NOT DEFINED IOS_PLATFORM)
+set (IOS_PLATFORM ${IOS_PLATFORM} CACHE STRING "Type of iOS Platform")
+
+# Setup building for arm64 or not
+if (NOT DEFINED BUILD_ARM64)
+    set (BUILD_ARM64 true)
+endif (NOT DEFINED BUILD_ARM64)
+set (BUILD_ARM64 ${BUILD_ARM64} CACHE STRING "Build arm64 arch or not")
+
+# Check the platform selection and setup for developer root
+if (${IOS_PLATFORM} STREQUAL "OS")
+	set (IOS_PLATFORM_LOCATION "iPhoneOS.platform")
+
+	# This causes the installers to properly locate the output libraries
+	set (CMAKE_XCODE_EFFECTIVE_PLATFORMS "-iphoneos")
+elseif (${IOS_PLATFORM} STREQUAL "SIMULATOR")
+    set (SIMULATOR true)
+	set (IOS_PLATFORM_LOCATION "iPhoneSimulator.platform")
+
+	# This causes the installers to properly locate the output libraries
+	set (CMAKE_XCODE_EFFECTIVE_PLATFORMS "-iphonesimulator")
+elseif (${IOS_PLATFORM} STREQUAL "SIMULATOR64")
+    set (SIMULATOR true)
+	set (IOS_PLATFORM_LOCATION "iPhoneSimulator.platform")
+
+	# This causes the installers to properly locate the output libraries
+	set (CMAKE_XCODE_EFFECTIVE_PLATFORMS "-iphonesimulator")
+else (${IOS_PLATFORM} STREQUAL "OS")
+	message (FATAL_ERROR "Unsupported IOS_PLATFORM value selected. Please choose OS or SIMULATOR")
+endif (${IOS_PLATFORM} STREQUAL "OS")
+
+# Setup iOS developer location unless specified manually with CMAKE_IOS_DEVELOPER_ROOT
+# Note Xcode 4.3 changed the installation location, choose the most recent one available
+exec_program(/usr/bin/xcode-select ARGS -print-path OUTPUT_VARIABLE CMAKE_XCODE_DEVELOPER_DIR)
+set (XCODE_POST_43_ROOT "${CMAKE_XCODE_DEVELOPER_DIR}/Platforms/${IOS_PLATFORM_LOCATION}/Developer")
+set (XCODE_PRE_43_ROOT "/Developer/Platforms/${IOS_PLATFORM_LOCATION}/Developer")
+if (NOT DEFINED CMAKE_IOS_DEVELOPER_ROOT)
+	if (EXISTS ${XCODE_POST_43_ROOT})
+		set (CMAKE_IOS_DEVELOPER_ROOT ${XCODE_POST_43_ROOT})
+	elseif(EXISTS ${XCODE_PRE_43_ROOT})
+		set (CMAKE_IOS_DEVELOPER_ROOT ${XCODE_PRE_43_ROOT})
+	endif (EXISTS ${XCODE_POST_43_ROOT})
+endif (NOT DEFINED CMAKE_IOS_DEVELOPER_ROOT)
+set (CMAKE_IOS_DEVELOPER_ROOT ${CMAKE_IOS_DEVELOPER_ROOT} CACHE PATH "Location of iOS Platform")
+
+# Find and use the most recent iOS sdk unless specified manually with CMAKE_IOS_SDK_ROOT
+if (NOT DEFINED CMAKE_IOS_SDK_ROOT)
+	file (GLOB _CMAKE_IOS_SDKS "${CMAKE_IOS_DEVELOPER_ROOT}/SDKs/*")
+	if (_CMAKE_IOS_SDKS) 
+		list (SORT _CMAKE_IOS_SDKS)
+		list (REVERSE _CMAKE_IOS_SDKS)
+		list (GET _CMAKE_IOS_SDKS 0 CMAKE_IOS_SDK_ROOT)
+	else (_CMAKE_IOS_SDKS)
+		message (FATAL_ERROR "No iOS SDK's found in default search path ${CMAKE_IOS_DEVELOPER_ROOT}. Manually set CMAKE_IOS_SDK_ROOT or install the iOS SDK.")
+	endif (_CMAKE_IOS_SDKS)
+	message (STATUS "Toolchain using default iOS SDK: ${CMAKE_IOS_SDK_ROOT}")
+endif (NOT DEFINED CMAKE_IOS_SDK_ROOT)
+set (CMAKE_IOS_SDK_ROOT ${CMAKE_IOS_SDK_ROOT} CACHE PATH "Location of the selected iOS SDK")
+
+# Set the sysroot default to the most recent SDK
+set (CMAKE_OSX_SYSROOT ${CMAKE_IOS_SDK_ROOT} CACHE PATH "Sysroot used for iOS support")
+
+# set the architecture for iOS
+if (NOT DEFINED ARCH)
+    set (ARCH armv7)
+endif()
+set (IOS_ARCH ${ARCH})
+
+set (CMAKE_OSX_ARCHITECTURES ${IOS_ARCH} CACHE string  "Build architecture for iOS")
+ message(STATUS "ios arch: ${IOS_ARCH}")
+
+# Set the find root to the iOS developer roots and to user defined paths
+set (CMAKE_FIND_ROOT_PATH ${CMAKE_IOS_DEVELOPER_ROOT} ${CMAKE_IOS_SDK_ROOT} ${CMAKE_PREFIX_PATH} CACHE string  "iOS find search path root")
+
+# default to searching for frameworks first
+set (CMAKE_FIND_FRAMEWORK FIRST)
+
+# set up the default search directories for frameworks
+set (CMAKE_SYSTEM_FRAMEWORK_PATH
+	${CMAKE_IOS_SDK_ROOT}/System/Library/Frameworks
+	${CMAKE_IOS_SDK_ROOT}/System/Library/PrivateFrameworks
+	${CMAKE_IOS_SDK_ROOT}/Developer/Library/Frameworks
+)
+
+message(STATUS "IOS CMAKE conf finished")
\ No newline at end of file
diff --git a/external/CMakeLists.txt b/external/CMakeLists.txt
index d67a1a875..93366a4fa 100644
--- a/external/CMakeLists.txt
+++ b/external/CMakeLists.txt
@@ -34,11 +34,12 @@
 # We always compile if we are building statically to reduce static dependency issues...
 # ...except for FreeBSD, because FreeBSD is a special case that doesn't play well with
 # others.
-
-find_package(Miniupnpc QUIET)
+if(NOT IOS)
+    find_package(Miniupnpc QUIET)
+endif()
 
 # If we have the correct shared version and we're not building static, use it
-if(STATIC)
+if(STATIC OR IOS)
  set(USE_SHARED_MINIUPNPC false)
 elseif(MINIUPNP_FOUND AND MINIUPNPC_VERSION_1_7_OR_HIGHER)
  set(USE_SHARED_MINIUPNPC true)
diff --git a/external/unbound/CMakeLists.txt b/external/unbound/CMakeLists.txt
index d27997eaa..94294013f 100644
--- a/external/unbound/CMakeLists.txt
+++ b/external/unbound/CMakeLists.txt
@@ -215,6 +215,11 @@ endif ()
 
 
 if (INSTALL_VENDORED_LIBUNBOUND)
+    if(IOS)
+        set(lib_folder lib-${ARCH})
+    else()
+        set(lib_folder lib)
+    endif()
     install(TARGETS unbound
-        ARCHIVE DESTINATION lib)
+        ARCHIVE DESTINATION ${lib_folder})
 endif()    
diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index 7cf03db71..d83242a3c 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -101,18 +101,24 @@ add_subdirectory(crypto)
 add_subdirectory(ringct)
 add_subdirectory(cryptonote_basic)
 add_subdirectory(cryptonote_core)
-add_subdirectory(blockchain_db)
+if(NOT IOS)
+  add_subdirectory(blockchain_db)
+endif()
 add_subdirectory(mnemonics)
-add_subdirectory(rpc)
+if(NOT IOS)
+  add_subdirectory(rpc)
+endif()
 add_subdirectory(wallet)
-add_subdirectory(p2p)
+if(NOT IOS)
+  add_subdirectory(p2p)
+endif()
 add_subdirectory(cryptonote_protocol)
-
-add_subdirectory(simplewallet)
-add_subdirectory(daemonizer)
-add_subdirectory(daemon)
-
-add_subdirectory(blockchain_utilities)
+if(NOT IOS)
+  add_subdirectory(simplewallet)
+  add_subdirectory(daemonizer)
+  add_subdirectory(daemon)
+  add_subdirectory(blockchain_utilities)
+endif()
 
 if(PER_BLOCK_CHECKPOINT)
   add_subdirectory(blocks)
diff --git a/src/crypto/CMakeLists.txt b/src/crypto/CMakeLists.txt
index c047b0042..277ee64c2 100644
--- a/src/crypto/CMakeLists.txt
+++ b/src/crypto/CMakeLists.txt
@@ -93,7 +93,7 @@ endif()
 # Because of the way Qt works on android with JNI, the code does not live in the main android thread
 # So this code runs with a 1 MB default stack size. 
 # This will force the use of the heap for the allocation of the scratchpad
-if (ANDROID)
+if (ANDROID OR IOS)
   if( BUILD_GUI_DEPS )
     add_definitions(-DFORCE_USE_HEAP=1)
   endif()
diff --git a/src/wallet/CMakeLists.txt b/src/wallet/CMakeLists.txt
index aed021b9c..2e7610b64 100644
--- a/src/wallet/CMakeLists.txt
+++ b/src/wallet/CMakeLists.txt
@@ -132,8 +132,13 @@ if (BUILD_GUI_DEPS)
         list(APPEND objlibs $<TARGET_OBJECTS:obj_${lib}>) # matches naming convention in src/CMakeLists.txt
     endforeach()
     add_library(wallet_merged STATIC ${objlibs})
+    if(IOS)
+        set(lib_folder lib-${ARCH})
+    else()
+        set(lib_folder lib)
+    endif()
     install(TARGETS wallet_merged
-        ARCHIVE DESTINATION lib)
+        ARCHIVE DESTINATION ${lib_folder})
 
     install(FILES ${wallet_api_headers}
         DESTINATION include/wallet)