CMake libs build

.gitmodules

@@ -0,0 +1,6 @@
+[submodule "vendor/boost/Boost-for-Android"]
+	path = vendor/boost/Boost-for-Android
+	url = https://github.com/moritz-wundke/Boost-for-Android.git
+[submodule "vendor/spdlog"]
+	path = vendor/spdlog
+	url = https://github.com/gabime/spdlog.git

CMakeLists.txt

@@ -7,19 +7,19 @@ cmake_policy(SET CMP0065 OLD)
 #  - try if setting CRYPTOPP_NATIVE_ARCH=ON and adding -march=native to the compile commands for cryfs source files makes a difference
 #    -> if yes, offer a cmake option to enable both of these
 
-#set(ANDROID_ABI arm64-v8a)
-#set(ANDROID_NDK /sdk/ndk/24.0.8215888/)
-#set(ANDROID_PLATFORM android-21)
-#set(ANDROID_TOOLCHAIN clang)
-#
-#set(CMAKE_SYSTEM_NAME Android)
-#set(CMAKE_SYSTEM_VERSION 21)
-#set(CMAKE_ANDROID_ARCH_ABI arm64-v8a)
-#set(CMAKE_ANDROID_NDK ${ANDROID_NDK})
-#set(CMAKE_ANDROID_STL_TYPE c++_static)
-#
-#set(CMAKE_TOOLCHAIN_FILE ${CMAKE_ANDROID_NDK}/build/cmake/android.toolchain.cmake)
-#set(ANDROID TRUE) # Current toolchain file doesn't set this variable which is needed by spdlog
+set(ANDROID_ABI arm64-v8a)
+set(ANDROID_NDK /ndk/23.1.7779620/)
+set(ANDROID_PLATFORM android-21)
+set(ANDROID_TOOLCHAIN clang)
+
+set(CMAKE_SYSTEM_NAME Android)
+set(CMAKE_SYSTEM_VERSION 21)
+set(CMAKE_ANDROID_ARCH_ABI arm64-v8a)
+set(CMAKE_ANDROID_NDK ${ANDROID_NDK})
+set(CMAKE_ANDROID_STL_TYPE c++_static)
+
+set(CMAKE_TOOLCHAIN_FILE ${CMAKE_ANDROID_NDK}/build/cmake/android.toolchain.cmake)
+set(ANDROID TRUE) # Current toolchain file doesn't set this variable which is needed by spdlog
 
 project(cryfs)
 

vendor/boost/Boost-for-Android

@@ -0,0 +1 @@
+Subproject commit 0e12fbd30cb70b668a117c0913a303acfdaae04f

vendor/boost/CMakeLists.txt

@@ -1,7 +1,12 @@
 project(libboost)
 
 add_library(boost INTERFACE)
-target_include_directories(boost SYSTEM INTERFACE ${CMAKE_CURRENT_SOURCE_DIR}/${CMAKE_ANDROID_ARCH_ABI}/include/boost-1_76)
-
-file(GLOB BOOST_STATIC_LIBS ${CMAKE_CURRENT_SOURCE_DIR}/${ANDROID_ABI}/lib/libboost_*.a)
-target_link_libraries(boost INTERFACE ${BOOST_STATIC_LIBS})
+add_custom_target(
+	vendor_boost
+	COMMAND ${CMAKE_CURRENT_SOURCE_DIR}/android-build.sh ${CMAKE_ANDROID_NDK} ${CMAKE_ANDROID_ARCH_ABI}
+	WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}
+)
+set(BOOST_OUTPUT "Boost-for-Android/build/out/${CMAKE_ANDROID_ARCH_ABI}")
+file(GLOB BOOST_STATIC_LIBS ${BOOST_OUTPUT}/lib/libboost_*.a)
+target_include_directories(boost SYSTEM INTERFACE ${BOOST_OUTPUT}/include/boost-1_76)
+target_link_libraries(boost INTERFACE vendor_boost ${BOOST_STATIC_LIBS})

vendor/boost/android-build.sh

@@ -0,0 +1,14 @@
+#!/bin/sh
+
+BOOST_TAR=boost_1_76_0.tar.bz2
+
+cd Boost-for-Android || exit 1
+
+if [ ! -f $BOOST_TAR ]; then
+	wget -O $BOOST_TAR https://boostorg.jfrog.io/artifactory/main/release/1.76.0/source/boost_1_76_0.tar.bz2 || exit 1
+fi
+
+sha256sum -c ../checksum.txt && \
+./build-android.sh --boost=1.76.0 --arch=$2 --target-version=21 \
+	--with-libraries=atomic,chrono,container,date_time,exception,filesystem,serialization,system,thread \
+	$1

vendor/boost/checksum.txt

@@ -0,0 +1 @@
+f0397ba6e982c4450f27bf32a2a83292aba035b827a5623a14636ea583318c41 boost_1_76_0.tar.bz2

vendor/cryptopp/CMakeLists.txt

@@ -18,6 +18,6 @@ set(BUILD_STATIC ON CACHE BOOL "")
 set(USE_INTERMEDIATE_OBJECTS_TARGET OFF CACHE BOOL "")
 set(cryptocpp_DISPLAY_CMAKE_SUPPORT_WARNING OFF CACHE BOOL "")
 
-add_library(vendor_cryptopp STATIC IMPORTED)
-set_target_properties(vendor_cryptopp PROPERTIES IMPORTED_LOCATION ${CMAKE_CURRENT_SOURCE_DIR}/vendor_cryptopp/libcryptopp.a)
-target_link_libraries(cryptopp INTERFACE vendor_cryptopp)
+set(LIBCRYPTOPP_A "${CMAKE_CURRENT_SOURCE_DIR}/vendor_cryptopp/build/${CMAKE_ANDROID_ARCH_ABI}/libcryptopp.a")
+add_custom_command(OUTPUT ${LIBCRYPTOPP_A} COMMAND ${CMAKE_CURRENT_SOURCE_DIR}/android-build.sh ${CMAKE_ANDROID_ARCH_ABI})
+target_link_libraries(cryptopp INTERFACE ${LIBCRYPTOPP_A})

vendor/cryptopp/android-build.sh

@@ -0,0 +1,7 @@
+#!/bin/sh
+
+cd vendor_cryptopp && \
+	mkdir -p build/$1 && \
+	TestScripts/setenv-android.sh 21 $1 && \
+	make -f GNUmakefile-cross static && \
+	mv libcryptopp.a build/$1

vendor/cryptopp/vendor_cryptopp/TestScripts/setenv-android.sh

@@ -146,16 +146,8 @@ if [ ! -d "${ANDROID_NDK_ROOT}" ]; then
     [ "$0" = "${BASH_SOURCE[0]}" ] && exit 1 || return 1
 fi
 
-# Error checking
-if [ ! -d "${ANDROID_SDK_ROOT}" ]; then
-    echo "ERROR: ANDROID_SDK_ROOT is not a valid path for ${USER}. Please set it."
-    echo "ANDROID_SDK_ROOT is '${ANDROID_SDK_ROOT}'"
-    [ "$0" = "${BASH_SOURCE[0]}" ] && exit 1 || return 1
-fi
-
 # User feedback
 #echo "ANDROID_NDK_ROOT is '${ANDROID_NDK_ROOT}'"
-#echo "ANDROID_SDK_ROOT is '${ANDROID_SDK_ROOT}'"
 
 #####################################################################
 
@@ -200,10 +192,7 @@ case "$ANDROID_CPU" in
   armv7*|armeabi*)
     CC="armv7a-linux-androideabi${ANDROID_API}-clang"
     CXX="armv7a-linux-androideabi${ANDROID_API}-clang++"
-    LD="arm-linux-androideabi-ld"
-    AS="arm-linux-androideabi-as"
     AR="arm-linux-androideabi-ar"
-    RANLIB="arm-linux-androideabi-ranlib"
     STRIP="arm-linux-androideabi-strip"
     OBJDUMP="arm-linux-androideabi-objdump"
 
@@ -226,10 +215,7 @@ case "$ANDROID_CPU" in
   armv8*|aarch64|arm64*)
     CC="aarch64-linux-android${ANDROID_API}-clang"
     CXX="aarch64-linux-android${ANDROID_API}-clang++"
-    LD="aarch64-linux-android-ld"
-    AS="aarch64-linux-android-as"
     AR="aarch64-linux-android-ar"
-    RANLIB="aarch64-linux-android-ranlib"
     STRIP="aarch64-linux-android-strip"
     OBJDUMP="aarch64-linux-android-objdump"
 
@@ -249,10 +235,7 @@ case "$ANDROID_CPU" in
   i686|x86)
     CC="i686-linux-android${ANDROID_API}-clang"
     CXX="i686-linux-android${ANDROID_API}-clang++"
-    LD="i686-linux-android-ld"
-    AS="i686-linux-android-as"
     AR="i686-linux-android-ar"
-    RANLIB="i686-linux-android-ranlib"
     STRIP="i686-linux-android-strip"
     OBJDUMP="i686-linux-android-objdump"
 
@@ -274,10 +257,7 @@ case "$ANDROID_CPU" in
   x86_64|x64)
     CC="x86_64-linux-android${ANDROID_API}-clang"
     CXX="x86_64-linux-android${ANDROID_API}-clang++"
-    LD="x86_64-linux-android-ld"
-    AS="x86_64-linux-android-as"
     AR="x86_64-linux-android-ar"
-    RANLIB="x86_64-linux-android-ranlib"
     STRIP="x86_64-linux-android-strip"
     OBJDUMP="x86_64-linux-android-objdump"
 
@@ -301,6 +281,10 @@ case "$ANDROID_CPU" in
     ;;
 esac
 
+LD=$CC
+AS="llvm-as"
+RANLIB="llvm-ranlib"
+
 echo "Configuring for Android API ${ANDROID_API} ($ANDROID_CPU)"
 
 #####################################################################

vendor/spdlog

@@ -0,0 +1 @@
+Subproject commit a26e174b367a60a51f0be83a81d6d066330cdd8f