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libzmq/builds/android/android_build_helper.sh
Guilloux Stephan (Ubuntu) 40620f9b7b Android helpers minor fixes.
2022-11-21 00:21:30 +01:00

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#!/usr/bin/env bash
#
# Copyright (c) 2014, Joe Eli McIlvain
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are met:
#
# 1. Redistributions of source code must retain the above copyright notice,
# this list of conditions and the following disclaimer.
#
# 2. Redistributions in binary form must reproduce the above copyright notice,
# this list of conditions and the following disclaimer in the documentation
# and/or other materials provided with the distribution.
#
# 3. Neither the name of the copyright holder nor the names of its
# contributors may be used to endorse or promote products derived from
# this software without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
# ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
# LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
# THE POSSIBILITY OF SUCH DAMAGE.
#
###
#
# Courtesy of Joe Eli McIlvain; original code at:
# https://github.com/jemc/android_build_helper
# android_build_helper.sh
#
# The following is a helper script for setting up android builds for
# "native" libraries maintained with an autotools build system.
# It merely helps to create the proper cross-compile environment.
# It makes no attempt to wrap the library or make it accessible to Java code;
# the intention is to make the bare library available to other "native" code.
#
# To get the latest version of this script, please download from:
# https://github.com/jemc/android_build_helper
#
# You are free to modify and redistribute this script, but if you add
# improvements, please consider submitting a pull request or patch to the
# aforementioned upstream repository for the benefit of other users.
#
# This script is provided with no express or implied warranties.
#
########################################################################
# Utilities & helper functions
########################################################################
function android_build_trace {
if [ -n "${BUILD_ARCH}" ] ; then
echo "LIBZMQ (${BUILD_ARCH}) - $*"
else
echo "LIBZMQ - $*"
fi
}
function android_build_check_fail {
if [ ! ${#ANDROID_BUILD_FAIL[@]} -eq 0 ]; then
android_build_trace "Android build failed for the following reasons:"
for reason in "${ANDROID_BUILD_FAIL[@]}"; do
local formatted_reason=" ${reason}"
echo "${formatted_reason}"
done
exit 1
fi
}
function android_download_ndk {
if [ -d "${ANDROID_NDK_ROOT}" ] ; then
# NDK folder detected, let's assume it's valid ...
android_build_trace "Using existing NDK folder '${ANDROID_NDK_ROOT}'."
return
fi
if [ ! -d "$(dirname "${ANDROID_NDK_ROOT}")" ] ; then
ANDROID_BUILD_FAIL+=("Cannot download NDK in a non existing folder")
ANDROID_BUILD_FAIL+=(" $(dirname "${ANDROID_NDK_ROOT}/")")
fi
android_build_check_fail
local filename
local platform="$(uname | tr '[:upper:]' '[:lower:]')"
case "${platform}" in
linux*)
if [ "${NDK_NUMBER}" -ge 2300 ] ; then
# Since NDK 23, NDK archives are renamed.
filename=${NDK_VERSION}-linux.zip
else
filename=${NDK_VERSION}-linux-x86_64.zip
fi
;;
darwin*)
if [ "${NDK_NUMBER}" -ge 2300 ] ; then
# Since NDK 23, NDK archives are renamed.
filename=${NDK_VERSION}-darwin.zip
else
filename=${NDK_VERSION}-darwin-x86_64.zip
fi
;;
*) android_build_trace "Unsupported platform ('${platform}')" ; exit 1 ;;
esac
if [ -z "${filename}" ] ; then
ANDROID_BUILD_FAIL+=("Unable to detect NDK filename.")
fi
android_build_check_fail
android_build_trace "Downloading NDK '${NDK_VERSION}'..."
(
cd "$(dirname "${ANDROID_NDK_ROOT}")" \
&& rm -f "${filename}" \
&& wget -q "http://dl.google.com/android/repository/${filename}" -O "${filename}" \
&& android_build_trace "Extracting NDK '${filename}'..." \
&& unzip -q "${filename}" \
&& android_build_trace "NDK extracted under '${ANDROID_NDK_ROOT}'."
) || {
ANDROID_BUILD_FAIL+=("Failed to install NDK ('${NDK_VERSION}')")
ANDROID_BUILD_FAIL+=(" ${filename}")
}
android_build_check_fail
}
function android_build_set_env {
BUILD_ARCH=$1
local platform="$(uname | tr '[:upper:]' '[:lower:]')"
case "${platform}" in
linux*)
export ANDROID_BUILD_PLATFORM=linux-x86_64
;;
darwin*)
export ANDROID_BUILD_PLATFORM=darwin-x86_64
;;
*) android_build_trace "Unsupported platform ('${platform}')" ; exit 1 ;;
esac
export ANDROID_BUILD_TOOLCHAIN="${ANDROID_NDK_ROOT}/toolchains/llvm/prebuilt/${ANDROID_BUILD_PLATFORM}"
export TOOLCHAIN_PATH="${ANDROID_BUILD_TOOLCHAIN}/bin"
# Set variables for each architecture
if [ "${BUILD_ARCH}" == "arm" ]; then
export TOOLCHAIN_HOST="arm-linux-androideabi"
export TOOLCHAIN_COMP="armv7a-linux-androideabi${MIN_SDK_VERSION}"
export TOOLCHAIN_ABI="armeabi-v7a"
export TOOLCHAIN_ARCH="arm"
elif [ "${BUILD_ARCH}" == "x86" ]; then
export TOOLCHAIN_HOST="i686-linux-android"
export TOOLCHAIN_COMP="i686-linux-android${MIN_SDK_VERSION}"
export TOOLCHAIN_ABI="x86"
export TOOLCHAIN_ARCH="x86"
elif [ "${BUILD_ARCH}" == "arm64" ]; then
export TOOLCHAIN_HOST="aarch64-linux-android"
export TOOLCHAIN_COMP="aarch64-linux-android${MIN_SDK_VERSION}"
export TOOLCHAIN_ABI="arm64-v8a"
export TOOLCHAIN_ARCH="arm64"
elif [ "${BUILD_ARCH}" == "x86_64" ]; then
export TOOLCHAIN_HOST="x86_64-linux-android"
export TOOLCHAIN_COMP="x86_64-linux-android${MIN_SDK_VERSION}"
export TOOLCHAIN_ABI="x86_64"
export TOOLCHAIN_ARCH="x86_64"
fi
# Since NDK r22 the "platforms" dir got removed
if [ -d "${ANDROID_NDK_ROOT}/platforms" ]; then
export ANDROID_BUILD_SYSROOT="${ANDROID_NDK_ROOT}/platforms/android-${MIN_SDK_VERSION}/arch-${TOOLCHAIN_ARCH}"
else
export ANDROID_BUILD_SYSROOT="${ANDROID_BUILD_TOOLCHAIN}/sysroot"
fi
export ANDROID_BUILD_PREFIX="${ANDROID_BUILD_DIR}/prefix/${TOOLCHAIN_ARCH}"
# Since NDK r25, libc++_shared.so is no more in 'sources/cxx-stl/...'
export ANDROID_STL="libc++_shared.so"
if [ -x "${ANDROID_NDK_ROOT}/sources/cxx-stl/llvm-libc++/libs/${TOOLCHAIN_ABI}/${ANDROID_STL}" ] ; then
export ANDROID_STL_ROOT="${ANDROID_NDK_ROOT}/sources/cxx-stl/llvm-libc++/libs/${TOOLCHAIN_ABI}"
else
export ANDROID_STL_ROOT="${ANDROID_BUILD_SYSROOT}/usr/lib/${TOOLCHAIN_HOST}"
# NDK 25 requires -L<path-to-libc.so> ...
# I don't understand why, but without it, ./configure fails to build a valid 'conftest'.
export ANDROID_LIBC_ROOT="${ANDROID_BUILD_SYSROOT}/usr/lib/${TOOLCHAIN_HOST}/${MIN_SDK_VERSION}"
fi
}
function android_build_env {
##
# Check that necessary environment variables are set
if [ -z "$ANDROID_NDK_ROOT" ]; then
ANDROID_BUILD_FAIL+=("Please set the ANDROID_NDK_ROOT environment variable")
ANDROID_BUILD_FAIL+=(" (eg. \"/home/user/android/android-ndk-r25\")")
fi
if [ -z "$ANDROID_BUILD_TOOLCHAIN" ]; then
ANDROID_BUILD_FAIL+=("Please set the ANDROID_BUILD_TOOLCHAIN environment variable")
ANDROID_BUILD_FAIL+=(" (eg. \"/home/user/android/android-ndk-r25/toolchains/arm-linux-androideabi-4.9/prebuilt/linux-x86_64\")")
fi
if [ -z "$TOOLCHAIN_PATH" ]; then
ANDROID_BUILD_FAIL+=("Please set the TOOLCHAIN_PATH environment variable")
ANDROID_BUILD_FAIL+=(" (eg. \"/home/user/android/android-ndk-r25/toolchains/arm-linux-androideabi-4.9/prebuilt/linux-x86_64/bin\")")
fi
if [ -z "$TOOLCHAIN_HOST" ]; then
ANDROID_BUILD_FAIL+=("Please set the TOOLCHAIN_HOST environment variable")
ANDROID_BUILD_FAIL+=(" (eg. \"arm-linux-androideabi\")")
fi
if [ -z "$TOOLCHAIN_COMP" ]; then
ANDROID_BUILD_FAIL+=("Please set the TOOLCHAIN_COMP environment variable")
ANDROID_BUILD_FAIL+=(" (eg. \"armv7a-linux-androideabi\")")
fi
if [ -z "$TOOLCHAIN_ABI" ]; then
ANDROID_BUILD_FAIL+=("Please set the TOOLCHAIN_ABI environment variable")
ANDROID_BUILD_FAIL+=(" (eg. \"armeabi-v7a\")")
fi
if [ -z "$TOOLCHAIN_ARCH" ]; then
ANDROID_BUILD_FAIL+=("Please set the TOOLCHAIN_ARCH environment variable")
ANDROID_BUILD_FAIL+=(" (eg. \"arm\")")
fi
android_build_check_fail
##
# Check that directories given by environment variables exist
if [ ! -d "$ANDROID_NDK_ROOT" ]; then
ANDROID_BUILD_FAIL+=("The ANDROID_NDK_ROOT directory does not exist")
ANDROID_BUILD_FAIL+=(" ${ANDROID_NDK_ROOT}")
fi
if [ ! -d "$ANDROID_STL_ROOT" ]; then
ANDROID_BUILD_FAIL+=("The ANDROID_STL_ROOT directory does not exist")
ANDROID_BUILD_FAIL+=(" ${ANDROID_STL_ROOT}")
fi
if [ -n "${ANDROID_LIBC_ROOT}" ] && [ ! -d "${ANDROID_LIBC_ROOT}" ]; then
ANDROID_BUILD_FAIL+=("The ANDROID_LIBC_ROOT directory does not exist")
ANDROID_BUILD_FAIL+=(" ${ANDROID_LIBC_ROOT}")
fi
if [ ! -d "${ANDROID_BUILD_TOOLCHAIN}" ]; then
ANDROID_BUILD_FAIL+=("The ANDROID_BUILD_TOOLCHAIN directory does not exist")
ANDROID_BUILD_FAIL+=(" ${ANDROID_BUILD_TOOLCHAIN}")
fi
if [ ! -d "$TOOLCHAIN_PATH" ]; then
ANDROID_BUILD_FAIL+=("The TOOLCHAIN_PATH directory does not exist")
ANDROID_BUILD_FAIL+=(" ${TOOLCHAIN_PATH}")
fi
##
# Set up some local variables and check them
if [ ! -d "$ANDROID_BUILD_SYSROOT" ]; then
ANDROID_BUILD_FAIL+=("The ANDROID_BUILD_SYSROOT directory does not exist")
ANDROID_BUILD_FAIL+=(" ${ANDROID_BUILD_SYSROOT}")
fi
mkdir -p "$ANDROID_BUILD_PREFIX" || {
ANDROID_BUILD_FAIL+=("Failed to make ANDROID_BUILD_PREFIX directory")
ANDROID_BUILD_FAIL+=(" ${ANDROID_BUILD_PREFIX}")
}
android_build_check_fail
}
function _android_build_opts_process_binaries {
export ANDROID_BUILD_CC="${TOOLCHAIN_PATH}/${TOOLCHAIN_COMP}-clang"
export ANDROID_BUILD_CXX="${TOOLCHAIN_PATH}/${TOOLCHAIN_COMP}-clang++"
# Since NDK r22 the "platforms" dir got removed and the default linker is LLD
if [ -d "${ANDROID_NDK_ROOT}/platforms" ]; then
export ANDROID_BUILD_LD="${TOOLCHAIN_PATH}/${TOOLCHAIN_HOST}-ld"
else
export ANDROID_BUILD_LD="${TOOLCHAIN_PATH}/ld"
fi
# Since NDK r24 this binary was removed due to LLVM being now the default
if [ ! -x "${TOOLCHAIN_PATH}/${TOOLCHAIN_HOST}-as" ]; then
export ANDROID_BUILD_AS="${TOOLCHAIN_PATH}/llvm-as"
else
export ANDROID_BUILD_AS="${TOOLCHAIN_PATH}/${TOOLCHAIN_HOST}-as"
fi
# Since NDK r23 those binaries were removed due to LLVM being now the default
if [ ! -x "${TOOLCHAIN_PATH}/${TOOLCHAIN_HOST}-ar" ]; then
export ANDROID_BUILD_AR="${TOOLCHAIN_PATH}/llvm-ar"
export ANDROID_BUILD_RANLIB="${TOOLCHAIN_PATH}/llvm-ranlib"
export ANDROID_BUILD_STRIP="${TOOLCHAIN_PATH}/llvm-strip"
else
export ANDROID_BUILD_AR="${TOOLCHAIN_PATH}/${TOOLCHAIN_HOST}-ar"
export ANDROID_BUILD_RANLIB="${TOOLCHAIN_PATH}/${TOOLCHAIN_HOST}-ranlib"
export ANDROID_BUILD_STRIP="${TOOLCHAIN_PATH}/${TOOLCHAIN_HOST}-strip"
fi
if [ ! -x "${ANDROID_BUILD_CC}" ]; then
ANDROID_BUILD_FAIL+=("The CC binary does not exist or is not executable")
ANDROID_BUILD_FAIL+=(" ${ANDROID_BUILD_CC}")
fi
if [ ! -x "${ANDROID_BUILD_CXX}" ]; then
ANDROID_BUILD_FAIL+=("The CXX binary does not exist or is not executable")
ANDROID_BUILD_FAIL+=(" ${ANDROID_BUILD_CXX}")
fi
if [ ! -x "${ANDROID_BUILD_LD}" ]; then
ANDROID_BUILD_FAIL+=("The LD binary does not exist or is not executable")
ANDROID_BUILD_FAIL+=(" ${ANDROID_BUILD_LD}")
fi
if [ ! -x "${ANDROID_BUILD_AS}" ]; then
ANDROID_BUILD_FAIL+=("The AS binary does not exist or is not executable")
ANDROID_BUILD_FAIL+=(" ${ANDROID_BUILD_AS}")
fi
if [ ! -x "${ANDROID_BUILD_AR}" ]; then
ANDROID_BUILD_FAIL+=("The AR binary does not exist or is not executable")
ANDROID_BUILD_FAIL+=(" ${ANDROID_BUILD_AR}")
fi
if [ ! -x "${ANDROID_BUILD_RANLIB}" ]; then
ANDROID_BUILD_FAIL+=("The RANLIB binary does not exist or is not executable")
ANDROID_BUILD_FAIL+=(" ${ANDROID_BUILD_RANLIB}")
fi
if [ ! -x "${ANDROID_BUILD_STRIP}" ]; then
ANDROID_BUILD_FAIL+=("The STRIP binary does not exist or is not executable")
ANDROID_BUILD_FAIL+=(" ${ANDROID_BUILD_STRIP}")
fi
ANDROID_BUILD_OPTS+=("TOOLCHAIN=${ANDROID_BUILD_TOOLCHAIN}")
ANDROID_BUILD_OPTS+=("CC=${ANDROID_BUILD_CC}")
ANDROID_BUILD_OPTS+=("CXX=${ANDROID_BUILD_CXX}")
ANDROID_BUILD_OPTS+=("LD=${ANDROID_BUILD_LD}")
ANDROID_BUILD_OPTS+=("AS=${ANDROID_BUILD_AS}")
ANDROID_BUILD_OPTS+=("AR=${ANDROID_BUILD_AR}")
ANDROID_BUILD_OPTS+=("RANLIB=${ANDROID_BUILD_RANLIB}")
ANDROID_BUILD_OPTS+=("STRIP=${ANDROID_BUILD_STRIP}")
android_build_check_fail
}
# Set the ANDROID_BUILD_OPTS variable to a bash array of configure options
function android_build_opts {
ANDROID_BUILD_OPTS=()
_android_build_opts_process_binaries
# Since NDK r23 we don't need -lgcc due to LLVM being now the default
if [ ! -x "${TOOLCHAIN_PATH}/${TOOLCHAIN_HOST}-ar" ]; then
export ANDROID_BUILD_LIBS="-lc -ldl -lm -llog -lc++_shared"
else
export ANDROID_BUILD_LIBS="-lc -lgcc -ldl -lm -llog -lc++_shared"
fi
export ANDROID_BUILD_LDFLAGS="-L${ANDROID_BUILD_PREFIX}/lib"
if [ -n "${ANDROID_LIBC_ROOT}" ] ; then
ANDROID_BUILD_LDFLAGS+=" -L${ANDROID_LIBC_ROOT}"
fi
ANDROID_BUILD_LDFLAGS+=" -L${ANDROID_STL_ROOT}"
export ANDROID_BUILD_CFLAGS+=" -D_GNU_SOURCE -D_REENTRANT -D_THREAD_SAFE"
export ANDROID_BUILD_CPPFLAGS+=" -I${ANDROID_BUILD_PREFIX}/include"
if [ "${NDK_NUMBER}" -ge 2400 ] ; then
if [ "${BUILD_ARCH}" = "arm64" ] ; then
export ANDROID_BUILD_CXXFLAGS+=" -mno-outline-atomics"
fi
fi
ANDROID_BUILD_OPTS+=("CFLAGS=${ANDROID_BUILD_CFLAGS} ${ANDROID_BUILD_EXTRA_CFLAGS}")
ANDROID_BUILD_OPTS+=("CPPFLAGS=${ANDROID_BUILD_CPPFLAGS} ${ANDROID_BUILD_EXTRA_CPPFLAGS}")
ANDROID_BUILD_OPTS+=("CXXFLAGS=${ANDROID_BUILD_CXXFLAGS} ${ANDROID_BUILD_EXTRA_CXXFLAGS}")
ANDROID_BUILD_OPTS+=("LDFLAGS=${ANDROID_BUILD_LDFLAGS} ${ANDROID_BUILD_EXTRA_LDFLAGS}")
ANDROID_BUILD_OPTS+=("LIBS=${ANDROID_BUILD_LIBS} ${ANDROID_BUILD_EXTRA_LIBS}")
ANDROID_BUILD_OPTS+=("PKG_CONFIG_LIBDIR=${ANDROID_NDK_ROOT}/prebuilt/${ANDROID_BUILD_PLATFORM}/lib/pkgconfig")
ANDROID_BUILD_OPTS+=("PKG_CONFIG_PATH=${ANDROID_BUILD_PREFIX}/lib/pkgconfig")
ANDROID_BUILD_OPTS+=("PKG_CONFIG_SYSROOT_DIR=${ANDROID_BUILD_SYSROOT}")
ANDROID_BUILD_OPTS+=("PKG_CONFIG_DIR=")
ANDROID_BUILD_OPTS+=("--with-sysroot=${ANDROID_BUILD_SYSROOT}")
ANDROID_BUILD_OPTS+=("--host=${TOOLCHAIN_HOST}")
ANDROID_BUILD_OPTS+=("--prefix=${ANDROID_BUILD_PREFIX}")
android_build_check_fail
}
# Parse readelf output to verify the correct linking of libraries.
# The first argument should be the soname of the newly built library.
# The rest of the arguments should be the sonames of dependencies.
# All sonames should be unversioned for android (no trailing numbers).
function android_build_verify_so {
local soname="$1"
shift # Get rid of first argument - the rest represent dependencies
local sofile="${ANDROID_BUILD_PREFIX}/lib/${soname}"
if [ ! -f "${sofile}" ]; then
ANDROID_BUILD_FAIL+=("Found no library named ${soname}")
ANDROID_BUILD_FAIL+=(" ${sofile}")
fi
android_build_check_fail
local readelf="${TOOLCHAIN_PATH}/${TOOLCHAIN_HOST}-readelf"
if command -v "${readelf}" >/dev/null 2>&1 ; then
export ANDROID_BUILD_READELF="${readelf}"
elif command -v readelf >/dev/null 2>&1 ; then
export ANDROID_BUILD_READELF="readelf"
elif command -v greadelf >/dev/null 2>&1 ; then
export ANDROID_BUILD_READELF="greadelf"
else
ANDROID_BUILD_FAIL+=("Could not find any of readelf, greadelf, or ${readelf}")
fi
android_build_check_fail
local elfoutput
elfoutput=$(LC_ALL=C ${ANDROID_BUILD_READELF} -d "${sofile}")
local soname_regexp='soname: \[([[:alnum:]\.]+)\]'
if [[ $elfoutput =~ $soname_regexp ]]; then
local parsed_soname="${BASH_REMATCH[1]}"
if [ "${parsed_soname}" != "${soname}" ]; then
ANDROID_BUILD_FAIL+=("Actual soname of library ${soname} is incorrect (or versioned):")
ANDROID_BUILD_FAIL+=(" ${parsed_soname}")
fi
else
ANDROID_BUILD_FAIL+=("Failed to meaningfully parse readelf output for library ${soname}:")
ANDROID_BUILD_FAIL+=(" ${elfoutput}")
fi
for dep_soname in "$@" ; do
local dep_sofile="${ANDROID_BUILD_PREFIX}/lib/${dep_soname}"
if [ ! -f "${dep_sofile}" ]; then
ANDROID_BUILD_FAIL+=("Found no library named ${dep_soname}")
ANDROID_BUILD_FAIL+=(" ${dep_sofile}")
elif [[ $elfoutput != *"library: [${dep_soname}]"* ]]; then
ANDROID_BUILD_FAIL+=("Library ${soname} was expected to be linked to library with soname:")
ANDROID_BUILD_FAIL+=(" ${dep_soname}")
fi
done
android_build_check_fail
}
function android_show_configure_opts {
local tag=$1
shift
android_build_trace "./configure options to build '${tag}':"
for opt in "$@"; do
echo " > ${opt}"
done
echo ""
}
# Initialize env variable XXX_ROOT, given dependency name "xxx".
# If XXX_ROOT is not set:
# If ${PROJECT_ROOT}/../xxx exists
# set XXX_ROOT with it.
# Else
# set XXX_ROOT with ${ANDROID_DEPENDENCIES_DIR}/xxx.
# Else
# Verify that folder XXX_ROOT exists.
function android_init_dependency_root {
local lib_name
lib_name="$1"
local variable_name
variable_name="$(echo "${lib_name}" | tr '[:lower:]' '[:upper:]')_ROOT"
local variable_value
variable_value="$(eval echo "\${${variable_name}}")"
if [ -z "${PROJECT_ROOT}" ] ; then
android_build_trace "Error: Variable PROJECT_ROOT is not set."
exit 1
fi
if [ ! -d "${PROJECT_ROOT}" ] ; then
android_build_trace "Error: Cannot find folder '${PROJECT_ROOT}'."
exit 1
fi
if [ -z "${variable_value}" ] ; then
if [ -d "${PROJECT_ROOT}/../${lib_name}" ] ; then
eval "export ${variable_name}=\"$(cd "${PROJECT_ROOT}/../${lib_name}" && pwd)\""
else
eval "export ${variable_name}=\"${ANDROID_DEPENDENCIES_DIR}/${lib_name}\""
fi
variable_value="$(eval echo "\${${variable_name}}")"
elif [ ! -d "${variable_value}" ] ; then
android_build_trace "Error: Folder '${variable_value}' does not exist."
exit 1
fi
android_build_trace "${variable_name}=${variable_value}"
}
function android_download_library {
local tag="$1" ; shift
local root="$1" ; shift
local url="$1" ; shift
local parent="$(dirname "${root}")"
local archive="$(basename "${url}")"
mkdir -p "${parent}"
cd "${parent}"
android_build_trace "Downloading ${tag} from '${url}' ..."
rm -f "${archive}"
wget -q "${url}"
case "${archive}" in
*."tar.gz" ) folder="$(basename "${archive}" ".tar.gz")" ;;
*."tgz" ) folder="$(basename "${archive}" ".tgz")" ;;
* ) android_build_trace "Unsupported extension for '${archive}'." ; exit 1 ;;
esac
android_build_trace "Extracting '${archive}' ..."
tar -xzf "${archive}"
if [ ! -d "${root}" ] ; then
mv "${folder}" "${root}"
fi
android_build_trace "${tag} extracted under under '${root}'."
}
function android_clone_library {
local tag="$1" ; shift
local root="$1" ; shift
local url="$1" ; shift
local branch="$1" ; shift
mkdir -p "$(dirname "${root}")"
if [ -n "${branch}" ] ; then
android_build_trace "Cloning '${url}' (branch '${branch}') under '${root}'."
git clone --quiet --depth 1 -b "${branch}" "${url}" "${root}"
else
android_build_trace "Cloning '${url}' (default branch) under '${root}'."
git clone --quiet --depth 1 "${url}" "${root}"
fi
( cd "${root}" && git log --oneline -n 1) || exit 1
}
# Caller must set CONFIG_OPTS[], before call.
function android_build_library {
local tag=$1 ; shift
local root=$1 ; shift
android_build_trace "Cleaning library '${tag}'."
(
if [ -n "${ANDROID_BUILD_PREFIX}" ] && [ -d "${ANDROID_BUILD_PREFIX}" ] ; then
# Remove *.la files as they might cause errors with cross compiled libraries
find "${ANDROID_BUILD_PREFIX}" -name '*.la' -exec rm {} +
fi
cd "${root}" \
&& ( make clean || : ) \
&& rm -f config.status
) &> /dev/null
android_build_trace "Building library '${tag}'."
(
set -e
android_show_configure_opts "${tag}" "${CONFIG_OPTS[@]}"
cd "${root}"
if [ -e autogen.sh ]; then
./autogen.sh 2> /dev/null
fi
if [ -e buildconf ]; then
./buildconf 2> /dev/null
fi
if [ ! -e autogen.sh ] && [ ! -e buildconf ] && [ ! -e ./configure ] && [ -s ./configure.ac ] ; then
libtoolize --copy --force && \
aclocal -I . && \
autoheader && \
automake --add-missing --copy && \
autoconf || \
autoreconf -fiv
fi
./configure "${CONFIG_OPTS[@]}"
make -j 4
make install
)
}
########################################################################
# Initialization
########################################################################
# Get directory of current script (if not already set)
# This directory is also the basis for the build directories the get created.
if [ -z "$ANDROID_BUILD_DIR" ]; then
export ANDROID_BUILD_DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
fi
# Where to download our dependencies
export ANDROID_DEPENDENCIES_DIR="${ANDROID_DEPENDENCIES_DIR:-/tmp/tmp-deps}"
# Set up a variable to hold the global failure reasons, separated by newlines
# (Empty string indicates no failure)
ANDROID_BUILD_FAIL=()
########################################################################
# Sanity checks
########################################################################
case "${NDK_VERSION}" in
"android-ndk-r"[0-9][0-9] ) : ;;
"android-ndk-r"[0-9][0-9][a-z] ) : ;;
"" ) android_build_trace "Variable NDK_VERSION not set." ; exit 1 ;;
* ) android_build_trace "Invalid format for NDK_VERSION ('${NDK_VERSION}')" ; exit 1 ;;
esac
if [ -z "${ANDROID_NDK_ROOT}" ] ; then
android_build_trace "ANDROID_NDK_ROOT not set !"
exit 1
fi
########################################################################
# Compute NDK version into a numeric form:
# android-ndk-r21e -> 2105
# android-ndk-r25 -> 2500
########################################################################
export NDK_NUMBER="$(( $(echo "${NDK_VERSION}"|sed -e 's|android-ndk-r||g' -e 's|[a-z]||g') * 100 ))"
NDK_VERSION_LETTER="$(echo "${NDK_VERSION}"|sed -e 's|android-ndk-r[0-9][0-9]||g'|tr '[:lower:]' '[:upper:]')"
if [ -n "${NDK_VERSION_LETTER}" ] ; then
NDK_NUMBER=$(( $(( NDK_NUMBER + $(printf '%d' \'"${NDK_VERSION_LETTER}") )) - 64 ))
fi
android_build_trace "Configured NDK_VERSION: ${NDK_VERSION} ($NDK_NUMBER)."
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