Add libsodium to the tree and build what's needed from source.

git-svn-id: https://www.unprompted.com/svn/projects/tildefriends/trunk@3859 ed5197a5-7fde-0310-b194-c3ffbd925b24

deps/libsodium/dist-build/android-build.sh

@@ -0,0 +1,98 @@
+#! /bin/sh
+
+if [ -z "$NDK_PLATFORM" ]; then
+  export NDK_PLATFORM="android-16"
+fi
+export NDK_PLATFORM_COMPAT="${NDK_PLATFORM_COMPAT:-${NDK_PLATFORM}}"
+export NDK_API_VERSION=$(echo "$NDK_PLATFORM" | sed 's/^android-//')
+export NDK_API_VERSION_COMPAT=$(echo "$NDK_PLATFORM_COMPAT" | sed 's/^android-//')
+
+if [ -z "$ANDROID_NDK_HOME" ]; then
+  echo "You should probably set ANDROID_NDK_HOME to the directory containing"
+  echo "the Android NDK"
+  exit 1
+fi
+
+if [ ! -f ./configure ]; then
+  echo "Can't find ./configure. Wrong directory or haven't run autogen.sh?" >&2
+  exit 1
+fi
+
+if [ "x$TARGET_ARCH" = 'x' ] || [ "x$ARCH" = 'x' ] || [ "x$HOST_COMPILER" = 'x' ]; then
+  echo "You shouldn't use android-build.sh directly, use android-[arch].sh instead" >&2
+  exit 1
+fi
+
+export MAKE_TOOLCHAIN="${ANDROID_NDK_HOME}/build/tools/make_standalone_toolchain.py"
+
+export PREFIX="$(pwd)/libsodium-android-${TARGET_ARCH}"
+export TOOLCHAIN_DIR="$(pwd)/android-toolchain-${TARGET_ARCH}"
+export PATH="${PATH}:${TOOLCHAIN_DIR}/bin"
+
+export CC=${CC:-"${HOST_COMPILER}-clang"}
+
+rm -rf "${TOOLCHAIN_DIR}" "${PREFIX}"
+
+echo
+echo "Warnings related to headers being present but not usable are due to functions"
+echo "that didn't exist in the specified minimum API version level."
+echo "They can be safely ignored."
+echo
+
+echo
+if [ "$NDK_PLATFORM" != "$NDK_PLATFORM_COMPAT" ]; then
+  echo "Building for platform [${NDK_PLATFORM}], retaining compatibility with platform [${NDK_PLATFORM_COMPAT}]"
+else
+  echo "Building for platform [${NDK_PLATFORM}]"
+fi
+echo
+
+env - PATH="$PATH" \
+    "$MAKE_TOOLCHAIN" --force --api="$NDK_API_VERSION_COMPAT" \
+    --arch="$ARCH" --install-dir="$TOOLCHAIN_DIR" || exit 1
+
+if [ -z "$LIBSODIUM_FULL_BUILD" ]; then
+  export LIBSODIUM_ENABLE_MINIMAL_FLAG="--enable-minimal"
+else
+  export LIBSODIUM_ENABLE_MINIMAL_FLAG=""
+fi
+
+./configure \
+    --disable-soname-versions \
+    ${LIBSODIUM_ENABLE_MINIMAL_FLAG} \
+    --host="${HOST_COMPILER}" \
+    --prefix="${PREFIX}" \
+    --with-sysroot="${TOOLCHAIN_DIR}/sysroot" || exit 1
+
+if [ "$NDK_PLATFORM" != "$NDK_PLATFORM_COMPAT" ]; then
+  egrep '^#define ' config.log | sort -u > config-def-compat.log
+  echo
+  echo "Configuring again for platform [${NDK_PLATFORM}]"
+  echo
+  env - PATH="$PATH" \
+      "$MAKE_TOOLCHAIN" --force --api="$NDK_API_VERSION" \
+      --arch="$ARCH" --install-dir="$TOOLCHAIN_DIR" || exit 1
+
+  ./configure \
+      --disable-soname-versions \
+      ${LIBSODIUM_ENABLE_MINIMAL_FLAG} \
+      --host="${HOST_COMPILER}" \
+      --prefix="${PREFIX}" \
+      --with-sysroot="${TOOLCHAIN_DIR}/sysroot" || exit 1
+
+  egrep '^#define ' config.log | sort -u > config-def.log
+  if ! cmp config-def.log config-def-compat.log; then
+    echo "Platform [${NDK_PLATFORM}] is not backwards-compatible with [${NDK_PLATFORM_COMPAT}]" >&2
+    diff -u config-def.log config-def-compat.log >&2
+    exit 1
+  fi
+  rm -f config-def.log config-def-compat.log
+fi
+
+
+NPROCESSORS=$(getconf NPROCESSORS_ONLN 2>/dev/null || getconf _NPROCESSORS_ONLN 2>/dev/null)
+PROCESSORS=${NPROCESSORS:-3}
+
+make clean && \
+make -j${PROCESSORS} install && \
+echo "libsodium has been installed into ${PREFIX}"