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#!/usr/bin/env bash
set -e
# ci_legacy.sh
# Continuously integrate libpng using the legacy makefiles.
#
# Copyright (c) 2019-2021 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_SYSNAME="$(uname -s)"
readonly CI_SCRIPTNAME="$(basename "$0")"
readonly CI_SCRIPTDIR="$(cd "$(dirname "$0")" && pwd)"
readonly CI_SRCDIR="$(dirname "$CI_SCRIPTDIR")"
readonly CI_BUILDDIR="$CI_SRCDIR"
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"
"$@"
}
function ci_init_legacy {
# Initialize the CI_ variables with default values, where applicable.
CI_MAKE="${CI_MAKE:-make}"
[[ $CI_SYSNAME == Darwin || $CI_SYSNAME == *BSD || $CI_SYSNAME == DragonFly ]] &&
CI_CC="${CI_CC:-clang}"
[[ $CI_CC == *clang* ]] &&
CI_LEGACY_MAKEFILES="${CI_LEGACY_MAKEFILES:-"scripts/makefile.clang"}"
CI_LEGACY_MAKEFILES="${CI_LEGACY_MAKEFILES:-"scripts/makefile.gcc"}"
CI_LD="${CI_LD:-"$CI_CC"}"
CI_LIBS="${CI_LIBS:-"-lz -lm"}"
# Print the CI_ variables.
ci_info "system name: $CI_SYSNAME"
ci_info "source directory: $CI_SRCDIR"
ci_info "build directory: $CI_BUILDDIR"
ci_info "environment option: \$CI_LEGACY_MAKEFILES='$CI_LEGACY_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='$CI_NO_CLEAN'"
}
function ci_build_legacy {
# Initialize ALL_CC_FLAGS and ALL_LD_FLAGS as strings.
local ALL_CC_FLAGS="$CI_CC_FLAGS"
local ALL_LD_FLAGS="$CI_LD_FLAGS"
[[ $CI_SANITIZERS ]] && {
ALL_CC_FLAGS="-fsanitize=$CI_SANITIZERS -O2 $ALL_CC_FLAGS"
ALL_LD_FLAGS="-fsanitize=$CI_SANITIZERS $ALL_LD_FLAGS"
}
# Initialize ALL_MAKE_FLAGS and ALL_MAKE_VARS as arrays.
local -a ALL_MAKE_FLAGS=($CI_MAKE_FLAGS)
local -a 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")
ALL_MAKE_VARS+=(LIBS="$CI_LIBS")
ALL_MAKE_VARS+=($CI_MAKE_VARS)
# Build!
ci_spawn cd "$CI_SRCDIR"
local MY_MAKEFILE
for MY_MAKEFILE in $CI_LEGACY_MAKEFILES
do
ci_info "using makefile: $MY_MAKEFILE"
ci_spawn "$CI_MAKE" -f "$MY_MAKEFILE" \
"${ALL_MAKE_FLAGS[@]}" \
"${ALL_MAKE_VARS[@]}"
[[ $CI_NO_TEST ]] ||
ci_spawn "$CI_MAKE" -f "$MY_MAKEFILE" \
"${ALL_MAKE_FLAGS[@]}" \
"${ALL_MAKE_VARS[@]}" \
test
[[ $CI_NO_CLEAN ]] ||
ci_spawn "$CI_MAKE" -f "$MY_MAKEFILE" \
"${ALL_MAKE_FLAGS[@]}" \
"${ALL_MAKE_VARS[@]}" \
clean
done
ci_info "success!"
}
ci_init_legacy
[[ ! $* ]] || {
ci_info "note: this program accepts environment options only"
ci_err "unexpected command arguments: '$*'"
}
ci_build_legacy
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