libpng/ci/ci_verify_configure.sh
Cosmin Truta 6159bad8a9 ci: Relicense again the CI scripts, from Boost License to MIT License
Many build scripts, ports and other third-party add-ons that are
circulating around appear to be distributed under the MIT License.
Examples include the Vcpkg build system (including the libpng port)
and the Meson build definitions (including the libpng definition).

I am, therefore, relicensing our CI scripts once more, as the sole
author (so far), just in case that any of the CI code might travel
from/to such projects. Hopefully, this one last license will stick.

Signed-off-by: Cosmin Truta <ctruta@gmail.com>
2024-01-22 23:55:18 +02:00

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#!/usr/bin/env bash
set -e
# Copyright (c) 2019-2024 Cosmin Truta.
#
# Use, modification and distribution are subject to the MIT License.
# Please see the accompanying file LICENSE_MIT.txt
#
# SPDX-License-Identifier: MIT
# shellcheck source="ci/lib/ci.lib.sh"
source "$(dirname "$0")/lib/ci.lib.sh"
cd "$CI_TOPLEVEL_DIR"
CI_SRC_DIR="$CI_TOPLEVEL_DIR"
CI_OUT_DIR="$CI_TOPLEVEL_DIR/out"
CI_BUILD_DIR="$CI_OUT_DIR/ci_verify_configure.$CI_TARGET_SYSTEM.$CI_TARGET_ARCH.build"
CI_INSTALL_DIR="$CI_OUT_DIR/ci_verify_configure.$CI_TARGET_SYSTEM.$CI_TARGET_ARCH.install"
function ci_init_build {
# Ensure that the mandatory variables are initialized.
CI_MAKE="${CI_MAKE:-make}"
[[ "$CI_TARGET_SYSTEM.$CI_TARGET_ARCH" != "$CI_BUILD_SYSTEM.$CI_BUILD_ARCH" ]] || {
# For native builds, set CI_CC to "cc" by default if the cc command is available.
# The configure script defaults CC to "gcc", which is not always a good idea.
[[ -x $(command -v cc) ]] && CI_CC="${CI_CC:-cc}"
}
# Ensure that the CI_ variables that cannot be customized reliably are not initialized.
[[ ! $CI_CONFIGURE_VARS ]] ||
ci_err "unsupported: \$CI_CONFIGURE_VARS='$CI_CONFIGURE_VARS'"
[[ ! $CI_MAKE_VARS ]] ||
ci_err "unsupported: \$CI_MAKE_VARS='$CI_MAKE_VARS'"
}
function ci_trace_build {
ci_info "## START OF CONFIGURATION ##"
ci_info "build arch: $CI_BUILD_ARCH"
ci_info "build system: $CI_BUILD_SYSTEM"
[[ "$CI_TARGET_SYSTEM.$CI_TARGET_ARCH" != "$CI_BUILD_SYSTEM.$CI_BUILD_ARCH" ]] && {
ci_info "target arch: $CI_TARGET_ARCH"
ci_info "target system: $CI_TARGET_SYSTEM"
}
ci_info "source directory: $CI_SRC_DIR"
ci_info "build directory: $CI_BUILD_DIR"
ci_info "install directory: $CI_INSTALL_DIR"
ci_info "environment option: \$CI_CONFIGURE_FLAGS: '$CI_CONFIGURE_FLAGS'"
ci_info "environment option: \$CI_MAKE: '$CI_MAKE'"
ci_info "environment option: \$CI_MAKE_FLAGS: '$CI_MAKE_FLAGS'"
ci_info "environment option: \$CI_CC: '$CI_CC'"
ci_info "environment option: \$CI_CC_FLAGS: '$CI_CC_FLAGS'"
ci_info "environment option: \$CI_CPP: '$CI_CPP'"
ci_info "environment option: \$CI_CPP_FLAGS: '$CI_CPP_FLAGS'"
ci_info "environment option: \$CI_AR: '$CI_AR'"
ci_info "environment option: \$CI_RANLIB: '$CI_RANLIB'"
ci_info "environment option: \$CI_LD: '$CI_LD'"
ci_info "environment option: \$CI_LD_FLAGS: '$CI_LD_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'"
ci_info "executable: \$CI_MAKE: $(command -V "$CI_MAKE")"
[[ $CI_CC ]] &&
ci_info "executable: \$CI_CC: $(command -V "$CI_CC")"
[[ $CI_CPP ]] &&
ci_info "executable: \$CI_CPP: $(command -V "$CI_CPP")"
[[ $CI_AR ]] &&
ci_info "executable: \$CI_AR: $(command -V "$CI_AR")"
[[ $CI_RANLIB ]] &&
ci_info "executable: \$CI_RANLIB: $(command -V "$CI_RANLIB")"
[[ $CI_LD ]] &&
ci_info "executable: \$CI_LD: $(command -V "$CI_LD")"
ci_info "## END OF CONFIGURATION ##"
}
function ci_cleanup_old_build {
if [[ -e $CI_BUILD_DIR || -e $CI_INSTALL_DIR ]]
then
ci_info "## START OF PRE-BUILD CLEANUP ##"
ci_spawn rm -fr "$CI_BUILD_DIR"
ci_spawn rm -fr "$CI_INSTALL_DIR"
ci_info "## END OF PRE-BUILD CLEANUP ##"
fi
}
function ci_build {
ci_info "## START OF BUILD ##"
# Export the configure build environment.
[[ $CI_CC ]] && ci_spawn export CC="$CI_CC"
[[ $CI_CC_FLAGS ]] && ci_spawn export CFLAGS="$CI_CC_FLAGS"
[[ $CI_CPP ]] && ci_spawn export CPP="$CI_CPP"
[[ $CI_CPP_FLAGS ]] && ci_spawn export CPPFLAGS="$CI_CPP_FLAGS"
[[ $CI_AR ]] && ci_spawn export AR="$CI_AR"
[[ $CI_RANLIB ]] && ci_spawn export RANLIB="$CI_RANLIB"
[[ $CI_LD ]] && ci_spawn export LD="$CI_LD"
[[ $CI_LD_FLAGS ]] && ci_spawn export LDFLAGS="$CI_LD_FLAGS"
[[ $CI_SANITIZERS ]] && {
ci_spawn export CFLAGS="-fsanitize=$CI_SANITIZERS ${CFLAGS:-"-O2"}"
ci_spawn export LDFLAGS="-fsanitize=$CI_SANITIZERS $LDFLAGS"
}
# Build!
ci_spawn mkdir -p "$CI_BUILD_DIR"
ci_spawn cd "$CI_BUILD_DIR"
# Spawn "configure".
ci_spawn "$CI_SRC_DIR/configure" --prefix="$CI_INSTALL_DIR" $CI_CONFIGURE_FLAGS
# Spawn "make".
ci_spawn "$CI_MAKE" $CI_MAKE_FLAGS
ci_expr $((CI_NO_TEST)) || {
# Spawn "make test" if testing is not disabled.
ci_spawn "$CI_MAKE" $CI_MAKE_FLAGS test
}
ci_expr $((CI_NO_INSTALL)) || {
# Spawn "make install" if installation is not disabled.
ci_spawn "$CI_MAKE" $CI_MAKE_FLAGS install
}
ci_expr $((CI_NO_CLEAN)) || {
# Spawn "make clean" and "make distclean" if cleaning is not disabled.
ci_spawn "$CI_MAKE" $CI_MAKE_FLAGS clean
ci_spawn "$CI_MAKE" $CI_MAKE_FLAGS distclean
}
ci_info "## END OF BUILD ##"
}
function usage {
echo "usage: $CI_SCRIPT_NAME"
exit 0
}
function main {
local opt
while getopts ":" opt
do
# This ain't a while-loop. It only pretends to be.
[[ $1 == -[?h]* || $1 == --help ]] && usage
ci_err "unknown option: '$1'"
done
shift $((OPTIND - 1))
# And... go!
ci_init_build
ci_trace_build
[[ $# -eq 0 ]] || {
ci_info "note: this program accepts environment options only"
ci_err "unexpected argument: '$1'"
}
ci_cleanup_old_build
ci_build
}
main "$@"