libpng/ci/ci_verify_makefiles.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="$CI_TOPLEVEL_DIR"
function ci_init_build {
# Ensure that the mandatory variables are initialized.
CI_MAKE="${CI_MAKE:-make}"
case "$CI_CC" in
( *clang* )
CI_MAKEFILES="${CI_MAKEFILES:-"scripts/makefile.clang"}" ;;
( *gcc* )
CI_MAKEFILES="${CI_MAKEFILES:-"scripts/makefile.gcc"}" ;;
( * )
CI_MAKEFILES="${CI_MAKEFILES:-"scripts/makefile.std"}" ;;
esac
}
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: $CI_SRC_DIR"
ci_info "environment option: \$CI_MAKEFILES: '$CI_MAKEFILES'"
ci_info "environment option: \$CI_MAKE: '$CI_MAKE'"
ci_info "environment option: \$CI_MAKE_FLAGS: '$CI_MAKE_FLAGS'"
ci_info "environment option: \$CI_MAKE_VARS: '$CI_MAKE_VARS'"
ci_info "environment option: \$CI_CC: '$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: '$CI_LD_FLAGS'"
ci_info "environment option: \$CI_LIBS: '$CI_LIBS'"
ci_info "environment option: \$CI_SANITIZERS: '$CI_SANITIZERS'"
ci_info "environment option: \$CI_NO_TEST: '$CI_NO_TEST'"
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 {
# Any old makefile-based build will most likely leave a mess
# of object files behind if interrupted, e.g., via Ctrl+C.
# There may be other files behind, depending on what makefile
# had been used. We cannot easily enumerate all of those.
# Fortunately, for a clean makefiles-based build, it should be
# sufficient to remove the old object files only.
ci_info "## START OF PRE-BUILD CLEANUP ##"
local MY_FILE
find "$CI_SRC_DIR" -maxdepth 1 \( -iname "*.o" -o -iname "*.obj" \) |
while IFS="" read -r MY_FILE
do
ci_spawn rm -fr "$MY_FILE"
done
ci_info "## END OF PRE-BUILD CLEANUP ##"
}
function ci_build {
ci_info "## START OF BUILD ##"
# Initialize ALL_CC_FLAGS and ALL_LD_FLAGS as strings.
local ALL_CC_FLAGS="$CI_CC_FLAGS"
local ALL_LD_FLAGS="$CI_LD_FLAGS"
[[ $CI_SANITIZERS ]] && {
ALL_CC_FLAGS="-fsanitize=$CI_SANITIZERS ${ALL_CC_FLAGS:-"-O2"}"
ALL_LD_FLAGS="-fsanitize=$CI_SANITIZERS $ALL_LD_FLAGS"
}
# Initialize ALL_MAKE_FLAGS and ALL_MAKE_VARS as arrays.
local ALL_MAKE_FLAGS=($CI_MAKE_FLAGS)
local ALL_MAKE_VARS=()
[[ $CI_CC ]] && ALL_MAKE_VARS+=(CC="$CI_CC")
[[ $ALL_CC_FLAGS ]] && ALL_MAKE_VARS+=(CFLAGS="$ALL_CC_FLAGS")
[[ $CI_CPP ]] && ALL_MAKE_VARS+=(CPP="$CI_CPP")
[[ $CI_CPP_FLAGS ]] && ALL_MAKE_VARS+=(CPPFLAGS="$CI_CPP_FLAGS")
[[ $CI_AR ]] && ALL_MAKE_VARS+=(
AR="${CI_AR:-ar}"
AR_RC="${CI_AR:-ar} rc"
)
[[ $CI_RANLIB ]] && ALL_MAKE_VARS+=(RANLIB="$CI_RANLIB")
[[ $CI_LD ]] && ALL_MAKE_VARS+=(LD="$CI_LD")
[[ $ALL_LD_FLAGS ]] && ALL_MAKE_VARS+=(LDFLAGS="$ALL_LD_FLAGS")
[[ $CI_LIBS ]] && ALL_MAKE_VARS+=(LIBS="$CI_LIBS")
ALL_MAKE_VARS+=($CI_MAKE_VARS)
# Build!
local MY_MAKEFILE
for MY_MAKEFILE in $CI_MAKEFILES
do
ci_info "using makefile: $MY_MAKEFILE"
# Spawn "make".
ci_spawn "$CI_MAKE" -f "$MY_MAKEFILE" \
"${ALL_MAKE_FLAGS[@]}" \
"${ALL_MAKE_VARS[@]}"
ci_expr $((CI_NO_TEST)) || {
# Spawn "make test" if testing is not disabled.
ci_spawn "$CI_MAKE" -f "$MY_MAKEFILE" \
"${ALL_MAKE_FLAGS[@]}" \
"${ALL_MAKE_VARS[@]}" \
test
}
ci_expr $((CI_NO_CLEAN)) || {
# Spawn "make clean" if cleaning is not disabled.
ci_spawn "$CI_MAKE" -f "$MY_MAKEFILE" \
"${ALL_MAKE_FLAGS[@]}" \
"${ALL_MAKE_VARS[@]}" \
clean
}
done
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: '$1'"
}
ci_cleanup_old_build
ci_build
}
main "$@"