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#!/bin/bash
#
# lws_config{,_private}.h are created by running cmake
# We are not allowed to use cmake to do the Android build
# These files for now have to be created offline
#
debug_mode="false"
if [[ $1 == "debug" ]] || [[ $1 == "-d" ]]; then
debug_mode="true"
fi
function remove_trailing_slash {
if [[ $1 == "/" ]]; then
echo $i
else
echo ${1%/}
fi
}
set -o errexit
MY_LOCATION="$( cd -P "$( dirname "$SOURCE" )" >/dev/null 2>&1 && pwd )"
MY_LOCATION=$(remove_trailing_slash $MY_LOCATION)
CMAKE_LIST_FILE="$MY_LOCATION/CMakeLists.txt"
ANDROID_ROOTDIR="$(realpath $MY_LOCATION/../..)"
ANDROID_ROOTDIR=$(remove_trailing_slash $ANDROID_ROOTDIR)
BUILD_DIR=$MY_LOCATION/build_dir
# included by CMakeLists.txt
CMAKE_ANDROID_FILE="$MY_LOCATION/CMakeAndroidLists.txt"
# used to generate CMAKE_ANDROID_FILE
CMAKE_ANDROID_FILE_TEMPLATE="$MY_LOCATION/CMakeAndroidLists.txt.template"
function find_lib_path() {
# find the library in the out directory, and returns the directory's absolute path
#
# $1 -> libname
# $2 -> optional, lib file extension
local libext=${2:-".a"}
local libname="$1$libext"
local res=`find ${ANDROID_ROOTDIR}/out -type f | egrep "$libname$" | egrep "$(uname -m)" | egrep -i "$(uname -s)"`
echo $res
}
function sed_in_cmake_android() {
# replace in-place 'from' with 'to' in CMAKE_ANDROID_FILE
#
# $1: from
# $2: to
# $3: CMAKE_ANDROID_FILE
#
local cmake_android_file=${3:-"${CMAKE_ANDROID_FILE}"}
local from="____""$1""____"
local to=$(echo $2 | sed -r 's/\//\\\//g')
if [[ $debug_mode == "true" ]]; then
echo "${FUNCNAME[0]} replaces in $cmake_android_file "
echo " " $from
echo "with " $to
fi
sed -i "s/$from/$to/g" $cmake_android_file
}
function build_prerequisites() {
local modules=("$@")
(
pushd ${ANDROID_ROOTDIR}
source ${ANDROID_ROOTDIR}/build/envsetup.sh
for mod in "${modules[@]}"; do
mmm $mod
done
popd
)
}
function create_android_list() {
#
# by filling out the form in CMAKE_ANDROID_FILE_TEMPLATE,
# create CMAKE_ANDROID_FILE that is included in CMakeLists.txt
#
# The CMAKE_ANDROID_FILE defines library/include directories for
# libraries provided by somewhere in Android Root
#
rm -f ${CMAKE_ANDROID_FILE} || true
cp -f ${CMAKE_ANDROID_FILE_TEMPLATE} ${CMAKE_ANDROID_FILE}
sed_in_cmake_android "android_src_root_dir" ${ANDROID_ROOTDIR} ${CMAKE_ANDROID_FILE}
# libraries that libwebsockets would depend on
local libs=("libssl" "libcrypto" "libcap")
# Android components that provide the "libs" above
local components=("external/boringssl" "external/libcap")
build_prerequisites "${components[@]}"
for lib in ${libs[@]}; do
local libfile_path=$(find_lib_path $lib)
local libpath=$(dirname ${libfile_path})
libpath=$(remove_trailing_slash $libpath)
str_to_replae="build_""$lib""_dir"
sed_in_cmake_android "$str_to_replae" $libpath ${CMAKE_ANDROID_FILE}
done
}
# create CMakeAndroidLists.txt
create_android_list
extension=$(date | md5sum | cut -d ' ' -f 1)
cp -f $CMAKE_LIST_FILE $CMAKE_LIST_FILE.$extension
# make CMakeLists.txt buildable
sed -i 's/DO-NOT-BUILD-ME-AS-IS//g' ${CMAKE_ANDROID_FILE}
# replace CHECK_FUNCTION_EXISTS with check_function_exists
sed -i 's/CHECK_FUNCTION_EXISTS/check_function_exists/g' $CMAKE_LIST_FILE
# run cmake to configure
rm -fr $BUILD_DIR || true
LIBWEBSOCKETS_SRC_ROOT=$MY_LOCATION
mkdir -p $BUILD_DIR
if [[ $debug_mode == "true" ]]; then
pushd $BUILD_DIR
cmake VERBOSE=1 ..
popd
else
(pushd $BUILD_DIR > /dev/null 2>&1; cmake .. > /dev/null 2>&1; popd > /dev/null 2>&1)
fi
cp -f $BUILD_DIR/lws_config.h $LIBWEBSOCKETS_SRC_ROOT/include
cp -f $BUILD_DIR/lws_config_private.h $LIBWEBSOCKETS_SRC_ROOT/include
# clean up
if [[ $debug_mode != "true" ]]; then
rm -fr $BUILD_DIR || true
rm -f $CMAKE_ANDROID_FILE || true
mv -f $CMAKE_LIST_FILE.$extension $CMAKE_LIST_FILE
fi
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