Remove Android build using Android.mk.

CMake support in Android is now standard and the CMake file
has fuller richer functionality than the Android.mk file ever did.

https://github.com/ceres-solver/ceres-solver/issues/364

Change-Id: Ib79bcc19dd47495a81a5d07fafdf06eb8005984e
This commit is contained in:
Sameer Agarwal
2018-07-07 14:08:45 -07:00
parent 483cc4737d
commit 3df43b960f
4 changed files with 0 additions and 444 deletions
-7
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@@ -546,13 +546,6 @@ Note that any solvers or other shared dependencies you include in
your project must also be present in your android build config and
your test directory on Android.
Legacy Android
==============
Download the ``Android NDK`` version ``r9d`` or later. Run
``ndk-build`` from inside the ``jni`` directory. Use the
``libceres.a`` that gets created.
.. _section-ios:
iOS
-261
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@@ -1,261 +0,0 @@
# Ceres Solver - A fast non-linear least squares minimizer
# Copyright 2015 Google Inc. All rights reserved.
# http://ceres-solver.org/
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are met:
#
# * Redistributions of source code must retain the above copyright notice,
# this list of conditions and the following disclaimer.
# * 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.
# * Neither the name of Google Inc. 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 OWNER 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.
#
# Author: settinger@google.com (Scott Ettinger)
# keir@google.com (Keir Mierle)
#
# Builds Ceres for Android, using the standard toolchain (not
# standalone). It uses LLVM's libc++ as the standard library. It is a
# modern BSD licensed implementation of the standard c++ library. We
# do this to avoid any licensing issues that may arise from using
# GCC's libstdc++ which is licensed under GPL3.
#
# Building
# --------
#
# You will have to specify the environment EIGEN_PATH to point to the
# Eigen sources when building. For example:
#
# EIGEN_PATH=/home/keir/src/eigen-3.0.5 ndk-build -j
#
# It is also possible to specify CERES_EXTRA_DEFINES, in case you need
# to pass more definitions to the C compiler.
#
# Using the library
# -----------------
# Copy the static library:
#
# ../obj/local/armeabi-v7a/libceres.a
#
# into your own project, then link it into your binary in your
# Android.mk file.
#
# Reducing binary size
# --------------------
# This build includes the Schur specializations, which increase the
# size of the binary. If you don't need them for your application,
# consider adding:
#
# -DCERES_RESTRICT_SCHUR_SPECIALIZATION
#
# to the LOCAL_CFLAGS variable below.
#
# Changing the logging library
# ----------------------------
# Ceres Solver ships with a replacement for glog that provides a
# simple and small implementation that builds on Android. However, if
# you wish to supply a header only version yourself, then you may
# define CERES_GLOG_DIR to point to it.
LOCAL_PATH := $(call my-dir)
# Ceres requires at least NDK version r9d to compile.
ifneq ($(shell $(LOCAL_PATH)/assert_ndk_version.sh "r9d" $(NDK_ROOT)), true)
$(error Ceres requires NDK version r9d or greater)
endif
# Ceres requires Eigen to build.
ifndef EIGEN_PATH
$(error Ceres requires Eigen; please invoke via EIGEN_PATH=... ndk-build)
endif
EIGEN_PATH := $(EIGEN_PATH)
CERES_INCLUDE_PATHS := $(CERES_EXTRA_INCLUDES)
CERES_INCLUDE_PATHS += $(LOCAL_PATH)/../internal
CERES_INCLUDE_PATHS += $(LOCAL_PATH)/../internal/ceres
CERES_INCLUDE_PATHS += $(LOCAL_PATH)/../include
CERES_INCLUDE_PATHS += $(LOCAL_PATH)/../config
# Use the alternate glog implementation if provided by the user.
ifdef CERES_GLOG_DIR
CERES_INCLUDE_PATHS += $(CERES_GLOG_DIR)
else
CERES_INCLUDE_PATHS += $(LOCAL_PATH)/../internal/ceres/miniglog
endif
CERES_SRC_PATH := ../internal/ceres
include $(CLEAR_VARS)
LOCAL_C_INCLUDES := $(CERES_INCLUDE_PATHS)
LOCAL_C_INCLUDES += $(EIGEN_PATH)
LOCAL_CPP_EXTENSION := .cc
LOCAL_CFLAGS := $(CERES_EXTRA_DEFINES) \
-DCERES_NO_LAPACK \
-DCERES_NO_SUITESPARSE \
-DCERES_NO_CXSPARSE \
-DCERES_NO_ACCELERATE_SPARSE \
-DCERES_USE_EIGEN_SPARSE \
-DCERES_USE_OPENMP
LOCAL_SRC_FILES := $(CERES_SRC_PATH)/accelerate_sparse.cc \
$(CERES_SRC_PATH)/array_utils.cc \
$(CERES_SRC_PATH)/blas.cc \
$(CERES_SRC_PATH)/block_evaluate_preparer.cc \
$(CERES_SRC_PATH)/block_jacobian_writer.cc \
$(CERES_SRC_PATH)/block_jacobi_preconditioner.cc \
$(CERES_SRC_PATH)/block_random_access_dense_matrix.cc \
$(CERES_SRC_PATH)/block_random_access_diagonal_matrix.cc \
$(CERES_SRC_PATH)/block_random_access_matrix.cc \
$(CERES_SRC_PATH)/block_random_access_sparse_matrix.cc \
$(CERES_SRC_PATH)/block_sparse_matrix.cc \
$(CERES_SRC_PATH)/block_structure.cc \
$(CERES_SRC_PATH)/callbacks.cc \
$(CERES_SRC_PATH)/canonical_views_clustering.cc \
$(CERES_SRC_PATH)/cgnr_solver.cc \
$(CERES_SRC_PATH)/compressed_row_jacobian_writer.cc \
$(CERES_SRC_PATH)/compressed_row_sparse_matrix.cc \
$(CERES_SRC_PATH)/conditioned_cost_function.cc \
$(CERES_SRC_PATH)/conjugate_gradients_solver.cc \
$(CERES_SRC_PATH)/context.cc \
$(CERES_SRC_PATH)/context_impl.cc \
$(CERES_SRC_PATH)/coordinate_descent_minimizer.cc \
$(CERES_SRC_PATH)/corrector.cc \
$(CERES_SRC_PATH)/covariance.cc \
$(CERES_SRC_PATH)/covariance_impl.cc \
$(CERES_SRC_PATH)/dense_normal_cholesky_solver.cc \
$(CERES_SRC_PATH)/dense_qr_solver.cc \
$(CERES_SRC_PATH)/dense_sparse_matrix.cc \
$(CERES_SRC_PATH)/detect_structure.cc \
$(CERES_SRC_PATH)/dogleg_strategy.cc \
$(CERES_SRC_PATH)/dynamic_compressed_row_jacobian_writer.cc \
$(CERES_SRC_PATH)/dynamic_compressed_row_sparse_matrix.cc \
$(CERES_SRC_PATH)/dynamic_sparse_normal_cholesky_solver.cc \
$(CERES_SRC_PATH)/eigensparse.cc \
$(CERES_SRC_PATH)/evaluator.cc \
$(CERES_SRC_PATH)/file.cc \
$(CERES_SRC_PATH)/function_sample.cc \
$(CERES_SRC_PATH)/gradient_checker.cc \
$(CERES_SRC_PATH)/gradient_checking_cost_function.cc \
$(CERES_SRC_PATH)/gradient_problem.cc \
$(CERES_SRC_PATH)/gradient_problem_solver.cc \
$(CERES_SRC_PATH)/is_close.cc \
$(CERES_SRC_PATH)/implicit_schur_complement.cc \
$(CERES_SRC_PATH)/inner_product_computer.cc \
$(CERES_SRC_PATH)/iterative_refiner.cc \
$(CERES_SRC_PATH)/iterative_schur_complement_solver.cc \
$(CERES_SRC_PATH)/lapack.cc \
$(CERES_SRC_PATH)/levenberg_marquardt_strategy.cc \
$(CERES_SRC_PATH)/line_search.cc \
$(CERES_SRC_PATH)/line_search_direction.cc \
$(CERES_SRC_PATH)/line_search_minimizer.cc \
$(CERES_SRC_PATH)/linear_least_squares_problems.cc \
$(CERES_SRC_PATH)/linear_operator.cc \
$(CERES_SRC_PATH)/line_search_preprocessor.cc \
$(CERES_SRC_PATH)/linear_solver.cc \
$(CERES_SRC_PATH)/local_parameterization.cc \
$(CERES_SRC_PATH)/loss_function.cc \
$(CERES_SRC_PATH)/low_rank_inverse_hessian.cc \
$(CERES_SRC_PATH)/minimizer.cc \
$(CERES_SRC_PATH)/normal_prior.cc \
$(CERES_SRC_PATH)/parallel_utils.cc \
$(CERES_SRC_PATH)/parallel_for_openmp.cc \
$(CERES_SRC_PATH)/parameter_block_ordering.cc \
$(CERES_SRC_PATH)/partitioned_matrix_view.cc \
$(CERES_SRC_PATH)/polynomial.cc \
$(CERES_SRC_PATH)/preconditioner.cc \
$(CERES_SRC_PATH)/preprocessor.cc \
$(CERES_SRC_PATH)/problem.cc \
$(CERES_SRC_PATH)/problem_impl.cc \
$(CERES_SRC_PATH)/program.cc \
$(CERES_SRC_PATH)/reorder_program.cc \
$(CERES_SRC_PATH)/residual_block.cc \
$(CERES_SRC_PATH)/residual_block_utils.cc \
$(CERES_SRC_PATH)/schur_complement_solver.cc \
$(CERES_SRC_PATH)/schur_eliminator.cc \
$(CERES_SRC_PATH)/schur_jacobi_preconditioner.cc \
$(CERES_SRC_PATH)/schur_templates.cc \
$(CERES_SRC_PATH)/scratch_evaluate_preparer.cc \
$(CERES_SRC_PATH)/single_linkage_clustering.cc \
$(CERES_SRC_PATH)/solver.cc \
$(CERES_SRC_PATH)/solver_utils.cc \
$(CERES_SRC_PATH)/sparse_cholesky.cc \
$(CERES_SRC_PATH)/sparse_matrix.cc \
$(CERES_SRC_PATH)/sparse_normal_cholesky_solver.cc \
$(CERES_SRC_PATH)/split.cc \
$(CERES_SRC_PATH)/stringprintf.cc \
$(CERES_SRC_PATH)/subset_preconditioner.cc \
$(CERES_SRC_PATH)/suitesparse.cc \
$(CERES_SRC_PATH)/thread_token_provider.cc \
$(CERES_SRC_PATH)/triplet_sparse_matrix.cc \
$(CERES_SRC_PATH)/trust_region_minimizer.cc \
$(CERES_SRC_PATH)/trust_region_preprocessor.cc \
$(CERES_SRC_PATH)/trust_region_step_evaluator.cc \
$(CERES_SRC_PATH)/trust_region_strategy.cc \
$(CERES_SRC_PATH)/types.cc \
$(CERES_SRC_PATH)/visibility_based_preconditioner.cc \
$(CERES_SRC_PATH)/visibility.cc \
$(CERES_SRC_PATH)/wall_time.cc \
$(CERES_SRC_PATH)/generated/schur_eliminator_d_d_d.cc \
$(CERES_SRC_PATH)/generated/schur_eliminator_2_2_2.cc \
$(CERES_SRC_PATH)/generated/schur_eliminator_2_2_3.cc \
$(CERES_SRC_PATH)/generated/schur_eliminator_2_2_4.cc \
$(CERES_SRC_PATH)/generated/schur_eliminator_2_2_d.cc \
$(CERES_SRC_PATH)/generated/schur_eliminator_2_3_3.cc \
$(CERES_SRC_PATH)/generated/schur_eliminator_2_3_4.cc \
$(CERES_SRC_PATH)/generated/schur_eliminator_2_3_6.cc \
$(CERES_SRC_PATH)/generated/schur_eliminator_2_3_9.cc \
$(CERES_SRC_PATH)/generated/schur_eliminator_2_3_d.cc \
$(CERES_SRC_PATH)/generated/schur_eliminator_2_4_3.cc \
$(CERES_SRC_PATH)/generated/schur_eliminator_2_4_4.cc \
$(CERES_SRC_PATH)/generated/schur_eliminator_2_4_6.cc \
$(CERES_SRC_PATH)/generated/schur_eliminator_2_4_8.cc \
$(CERES_SRC_PATH)/generated/schur_eliminator_2_4_9.cc \
$(CERES_SRC_PATH)/generated/schur_eliminator_2_4_d.cc \
$(CERES_SRC_PATH)/generated/schur_eliminator_2_d_d.cc \
$(CERES_SRC_PATH)/generated/schur_eliminator_4_4_2.cc \
$(CERES_SRC_PATH)/generated/schur_eliminator_4_4_3.cc \
$(CERES_SRC_PATH)/generated/schur_eliminator_4_4_4.cc \
$(CERES_SRC_PATH)/generated/schur_eliminator_4_4_d.cc \
$(CERES_SRC_PATH)/generated/partitioned_matrix_view_d_d_d.cc \
$(CERES_SRC_PATH)/generated/partitioned_matrix_view_2_2_2.cc \
$(CERES_SRC_PATH)/generated/partitioned_matrix_view_2_2_3.cc \
$(CERES_SRC_PATH)/generated/partitioned_matrix_view_2_2_4.cc \
$(CERES_SRC_PATH)/generated/partitioned_matrix_view_2_2_d.cc \
$(CERES_SRC_PATH)/generated/partitioned_matrix_view_2_3_3.cc \
$(CERES_SRC_PATH)/generated/partitioned_matrix_view_2_3_4.cc \
$(CERES_SRC_PATH)/generated/partitioned_matrix_view_2_3_6.cc \
$(CERES_SRC_PATH)/generated/partitioned_matrix_view_2_3_9.cc \
$(CERES_SRC_PATH)/generated/partitioned_matrix_view_2_3_d.cc \
$(CERES_SRC_PATH)/generated/partitioned_matrix_view_2_4_3.cc \
$(CERES_SRC_PATH)/generated/partitioned_matrix_view_2_4_4.cc \
$(CERES_SRC_PATH)/generated/partitioned_matrix_view_2_4_6.cc \
$(CERES_SRC_PATH)/generated/partitioned_matrix_view_2_4_8.cc \
$(CERES_SRC_PATH)/generated/partitioned_matrix_view_2_4_9.cc \
$(CERES_SRC_PATH)/generated/partitioned_matrix_view_2_4_d.cc \
$(CERES_SRC_PATH)/generated/partitioned_matrix_view_2_d_d.cc \
$(CERES_SRC_PATH)/generated/partitioned_matrix_view_4_4_2.cc \
$(CERES_SRC_PATH)/generated/partitioned_matrix_view_4_4_3.cc \
$(CERES_SRC_PATH)/generated/partitioned_matrix_view_4_4_4.cc \
$(CERES_SRC_PATH)/generated/partitioned_matrix_view_4_4_d.cc
ifndef CERES_GLOG_DIR
LOCAL_SRC_FILES += $(CERES_SRC_PATH)/miniglog/glog/logging.cc
endif
LOCAL_MODULE := ceres
include $(BUILD_STATIC_LIBRARY)
-39
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@@ -1,39 +0,0 @@
# Ceres Solver - A fast non-linear least squares minimizer
# Copyright 2015 Google Inc. All rights reserved.
# http://ceres-solver.org/
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are met:
#
# * Redistributions of source code must retain the above copyright notice,
# this list of conditions and the following disclaimer.
# * 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.
# * Neither the name of Google Inc. 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 OWNER 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.
APP_BUILD_SCRIPT := $(call my-dir)/Android.mk
APP_PROJECT_PATH := $(call my-dir)
APP_CPPFLAGS += -fno-exceptions
APP_CPPFLAGS += -fno-rtti
APP_OPTIM := release
# Use libc++ from LLVM. It is a modern BSD licensed implementation of
# the standard C++ library.
APP_STL := c++_static
APP_ABI := armeabi-v7a
-137
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@@ -1,137 +0,0 @@
#!/bin/bash
# Bash script to assert that the current version of the NDK is at least the
# specified version. Prints 'true' to standard out if it's the right version,
# 'false' if it's not.
#
# Typically used like this, in your jni/Android.mk:
#
# ifneq ($(shell $(LOCAL_PATH)/assert_ndk_version.sh "r5c" "ndk-dir"), true)
# $(error NDK version r5c or greater required)
# endif
#
# See https://gist.github.com/2878774 for asserting SDK version.
#
# Retrieved from: https://gist.github.com/jorgenpt/1961404 on 2014-06-03.
#
# Copyright (c) 2012, Lookout, Inc. All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are met:
#
# 1. Redistributions of source code must retain the above copyright notice,
# this list of conditions and the following disclaimer.
#
# 2. Redistributions in binary form must reproduce the above copyright
# notice, this list of conditions and the following disclaimer in the
# documentation and/or other materials provided with the distribution.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
# TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
# PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
# CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
# EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
# PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
# OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
# WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
# OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
# ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#
# Author: jorgenpt@gmail.com (Jorgen Tjerno)
# alexs.mac@gmail.com (Alex Stewart)
# Extracts 'r5c' into '5 c', also handles newer versions of the form
# 'r9d (64-bit)' and versions >= 10.
function get_major_minor_rNx_style() {
# r9d (64-bit) -> '9d', also handle versions >= 10.
local version=$(echo "$1" | sed 's/r\([0-9]\{1,2\}[a-z]\{0,1\}\).*/\1/')
local major=$(echo "$version" | sed 's/\([0-9]\{1,2\}\).*/\1/')
local minor=$(echo "$version" | sed 's/^[0-9]*//')
echo "$major $minor"
}
# Extracts the major and minor versions from the <NDK_ROOT>/source.properties
# file and converts to the standard <NUMBER> <LETTER> format, e.g. 15 c.
#
# Usage: get_major_minor_from_source_properties <SOURCE_PROPERTIES_CONTENTS>
function get_major_minor_from_source_properties() {
# <NDK_ROOT>/source.properties contains (e.g. for r15c):
#
# Pkg.Desc = Android NDK
# Pkg.Revision = 15.2.4203891
#
# match to 15 c
version=$(echo $1 | sed 's/.*Pkg.Revision[[:space:]]*=[[:space:]]*//')
declare -r major=$(echo $version | sed 's/\([0-9]\{1,2\}\).*/\1/')
declare -r minor=$(echo $version | sed 's/\([0-9]\{1,2\}\)\.\([0-9]\{1,2\}\).*/\2/')
declare -r patch=$(echo $version | sed 's/\([0-9]\{1,2\}\)\.\([0-9]\{1,2\}\)\.\([0-9]*\)/\3/')
# Convert numeric minor version to letter version, e.g: 0 -> a, 1 -> b, 2 -> c etc.
minor_letter_ascii_code=$(($minor + 97)) # 97 = 'a' in ASCII.
minor_letter=($(printf "\\$(printf %o "$minor_letter_ascii_code")"))
echo "$major $minor_letter"
}
if [[ -z "$2" ]]; then
echo "Usage: $0 <required version> <NDK_ROOT>" >&2
echo " For example: $0 r5c android-ndk-r9d" >&2
exit 1
fi
# Assert that the expected version is at least 4.
declare -a expected_version
expected_version=( $(get_major_minor_rNx_style "$1") )
if [[ ${expected_version[0]} -le 4 ]]; then
echo "Cannot test for versions less than r5: r4 doesn't have a version file." >&2
echo false
exit 1
fi
# NDK versions <= r4 did not have RELEASE.TXT, nor do versions >= r11, where it was
# replaced by source.properties. As we just asserted that we are looking for >= r5
# if RELEASE.TXT is not present, source.properties should be.
declare -r release_file="$2/RELEASE.TXT"
declare -r source_properties_file="$2/source.properties"
declare -a actual_version
if [ ! -s "$release_file" ]; then
if [ ! -s "$source_properties_file" ]; then
echo "ERROR: Failed to find either RELEASE.TXT or source.properties in NDK_ROOT=$2" >&2
echo false
exit 1
fi
# NDK version >= r11.
if [ ! -s "$source_properties_file" ]; then
echo "ERROR: Failed to find source.properties file in NDK_ROOT=$1" >&2
echo false
exit 1
fi
source_properties=$(<"$source_properties_file")
actual_version=($(get_major_minor_from_source_properties "$source_properties"))
if [ -z "$source_properties" ] || [ -z "${actual_version[0]}" ]; then
echo "ERROR: Invalid source.properties: $(cat $source_properties_file)" >&2
echo false
exit 1
fi
else
# NDK version >= r5 && < r11.
version=$(grep '^r' $release_file)
actual_version=( $(get_major_minor_rNx_style "$version") )
if [ -z "$version" ] || [ -z "${actual_version[0]}" ]; then
echo "ERROR: Invalid RELEASE.TXT: $(cat $release_file)" >&2
echo false
exit 1
fi
fi
if [[ ${actual_version[0]} -lt ${expected_version[0]} ]]; then
echo "false"
elif [[ ${actual_version[0]} -eq ${expected_version[0]} ]]; then
# This uses < and not -lt because they're string identifiers (a, b, c, etc)
if [[ "${actual_version[1]}" < "${expected_version[1]}" ]]; then
echo "false"
else
echo "true"
fi
else
echo "true"
fi