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#!/usr/bin/env bash
set -e
# ci_cmake.sh
# Continuously integrate libpng using CMake.
#
# Copyright (c) 2019-2020 Cosmin Truta.
#
# This software is released under the libpng license.
# For conditions of distribution and use, see the disclaimer
# and license in png.h.
readonly CI_SCRIPTNAME="$(basename "$0")"
readonly CI_SCRIPTDIR="$(cd "$(dirname "$0")" && pwd)"
readonly CI_SRCDIR="$(dirname "$CI_SCRIPTDIR")"
readonly CI_BUILDDIR="$CI_SRCDIR/out/cmake.build"
readonly CI_INSTALLDIR="$CI_SRCDIR/out/cmake.install"
function ci_info {
printf >&2 "%s: %s\\n" "$CI_SCRIPTNAME" "$*"
}
function ci_err {
printf >&2 "%s: error: %s\\n" "$CI_SCRIPTNAME" "$*"
exit 2
}
function ci_spawn {
printf >&2 "%s: executing:" "$CI_SCRIPTNAME"
printf >&2 " %q" "$@"
printf >&2 "\\n"
"$@"
}
function ci_init_cmake {
# Initialize the CI_ variables with default values, where applicable.
CI_CMAKE="${CI_CMAKE:-cmake}"
CI_CTEST="${CI_CTEST:-ctest}"
[[ $(uname -s || echo unknown) == Darwin ]] && CI_CC="${CI_CC:-clang}"
CI_CMAKE_BUILD_TYPE="${CI_CMAKE_BUILD_TYPE:-Release}"
# Print the CI_ variables.
ci_info "source directory: $CI_SRCDIR"
ci_info "build directory: $CI_BUILDDIR"
ci_info "install directory: $CI_INSTALLDIR"
ci_info "environment option: \$CI_CMAKE='$CI_CMAKE'"
ci_info "environment option: \$CI_CMAKE_GENERATOR='$CI_CMAKE_GENERATOR'"
ci_info "environment option: \$CI_CMAKE_GENERATOR_PLATFORM='$CI_CMAKE_GENERATOR_PLATFORM'"
ci_info "environment option: \$CI_CMAKE_BUILD_TYPE='$CI_CMAKE_BUILD_TYPE'"
ci_info "environment option: \$CI_CMAKE_BUILD_FLAGS='$CI_CMAKE_BUILD_FLAGS'"
ci_info "environment option: \$CI_CMAKE_VARS='$CI_CMAKE_VARS'"
ci_info "environment option: \$CI_CTEST='$CI_CTEST'"
ci_info "environment option: \$CI_CTEST_FLAGS='$CI_CTEST_FLAGS'"
ci_info "environment option: \$CI_CC='$CI_CC'"
ci_info "environment option: \$CI_CC_FLAGS='$CI_CC_FLAGS'"
ci_info "environment option: \$CI_SANITIZERS='$CI_SANITIZERS'"
ci_info "environment option: \$CI_NO_TEST='$CI_NO_TEST'"
ci_info "environment option: \$CI_NO_INSTALL='$CI_NO_INSTALL'"
ci_info "environment option: \$CI_NO_CLEAN='$CI_NO_CLEAN'"
# Print the CMake/CTest program versions.
ci_spawn "$(command -v "$CI_CMAKE")" --version
ci_spawn "$(command -v "$CI_CTEST")" --version
}
function ci_build_cmake {
# Initialize ALL_CC_FLAGS as a string.
local ALL_CC_FLAGS="$CI_CC_FLAGS"
[[ $CI_SANITIZERS ]] && ALL_CC_FLAGS="-fsanitize=$CI_SANITIZERS $ALL_CC_FLAGS"
# Initialize ALL_CMAKE_VARS, ALL_CMAKE_BUILD_FLAGS and ALL_CTEST_FLAGS as arrays.
local -a ALL_CMAKE_VARS=()
[[ $CI_CC ]] && ALL_CMAKE_VARS+=(-DCMAKE_C_COMPILER="$CI_CC")
[[ $ALL_CC_FLAGS ]] && ALL_CMAKE_VARS+=(-DCMAKE_C_FLAGS="$ALL_CC_FLAGS")
ALL_CMAKE_VARS+=(-DCMAKE_BUILD_TYPE="$CI_CMAKE_BUILD_TYPE")
ALL_CMAKE_VARS+=(-DCMAKE_INSTALL_PREFIX="$CI_INSTALLDIR")
ALL_CMAKE_VARS+=(-DCMAKE_VERBOSE_MAKEFILE=ON)
[[ $CI_NO_TEST ]] && ALL_CMAKE_VARS+=(-DPNG_TESTS=OFF)
ALL_CMAKE_VARS+=($CI_CMAKE_VARS)
local -a ALL_CMAKE_BUILD_FLAGS=($CI_CMAKE_BUILD_FLAGS)
local -a ALL_CTEST_FLAGS=($CI_CTEST_FLAGS)
# Export the CMake build environment.
[[ $CI_CMAKE_GENERATOR ]] &&
ci_spawn export CMAKE_GENERATOR="$CI_CMAKE_GENERATOR"
[[ $CI_CMAKE_GENERATOR_PLATFORM ]] &&
ci_spawn export CMAKE_GENERATOR_PLATFORM="$CI_CMAKE_GENERATOR_PLATFORM"
# Build and install.
ci_spawn "$CI_CMAKE" -E remove_directory "$CI_BUILDDIR"
ci_spawn "$CI_CMAKE" -E remove_directory "$CI_INSTALLDIR"
ci_spawn "$CI_CMAKE" -E make_directory "$CI_BUILDDIR"
ci_spawn cd "$CI_BUILDDIR"
ci_spawn "$CI_CMAKE" "${ALL_CMAKE_VARS[@]}" "$CI_SRCDIR"
ci_spawn "$CI_CMAKE" --build . \
--config "$CI_CMAKE_BUILD_TYPE" \
"${ALL_CMAKE_BUILD_FLAGS[@]}"
[[ $CI_NO_TEST ]] ||
ci_spawn "$CI_CTEST" --build-config "$CI_CMAKE_BUILD_TYPE" \
"${ALL_CTEST_FLAGS[@]}"
[[ $CI_NO_INSTALL ]] ||
ci_spawn "$CI_CMAKE" --build . \
--config "$CI_CMAKE_BUILD_TYPE" \
--target install \
"${ALL_CMAKE_BUILD_FLAGS[@]}"
[[ $CI_NO_CLEAN ]] ||
ci_spawn "$CI_CMAKE" --build . \
--config "$CI_CMAKE_BUILD_TYPE" \
--target clean \
"${ALL_CMAKE_BUILD_FLAGS[@]}"
ci_info "success!"
}
ci_init_cmake
[[ ! $* ]] || {
ci_info "note: this program accepts environment options only"
ci_err "unexpected command arguments: '$*'"
}
ci_build_cmake
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