skunkworks-c/lib/lpng1639/ci/ci_autotools.sh

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2022-12-21 07:09:29 +01:00
#!/usr/bin/env bash
set -e
# ci_autotools.sh
# Continuously integrate libpng using the GNU Autotools.
#
# Copyright (c) 2019-2022 Cosmin Truta.
#
# This software is released under the libpng license.
# For conditions of distribution and use, see the disclaimer
# and license in png.h.
CI_SCRIPTNAME="$(basename "$0")"
CI_SCRIPTDIR="$(cd "$(dirname "$0")" && pwd)"
CI_SRCDIR="$(dirname "$CI_SCRIPTDIR")"
CI_BUILDDIR="$CI_SRCDIR/out/autotools.build"
CI_INSTALLDIR="$CI_SRCDIR/out/autotools.install"
function ci_info {
printf >&2 "%s: %s\\n" "$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_autotools {
CI_SYSTEM_NAME="$(uname -s)"
CI_MACHINE_NAME="$(uname -m)"
CI_MAKE="${CI_MAKE:-make}"
# 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.
[[ ! $CI_CONFIGURE_VARS ]] || ci_err "unexpected: \$CI_CONFIGURE_VARS='$CI_CONFIGURE_VARS'"
[[ ! $CI_MAKE_VARS ]] || ci_err "unexpected: \$CI_MAKE_VARS='$CI_MAKE_VARS'"
}
function ci_trace_autotools {
ci_info "## START OF CONFIGURATION ##"
ci_info "system name: $CI_SYSTEM_NAME"
ci_info "machine hardware name: $CI_MACHINE_NAME"
ci_info "source directory: $CI_SRCDIR"
ci_info "build directory: $CI_BUILDDIR"
ci_info "install directory: $CI_INSTALLDIR"
ci_info "environment option: \$CI_CONFIGURE_FLAGS: '$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_build_autotools {
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"
[[ $CI_LD ]] && ci_spawn export CPP="$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 $LDFLAGS"
}
# Build and install.
ci_spawn rm -fr "$CI_BUILDDIR" "$CI_INSTALLDIR"
ci_spawn mkdir -p "$CI_BUILDDIR"
ci_spawn cd "$CI_BUILDDIR"
ci_spawn "$CI_SRCDIR/configure" --prefix="$CI_INSTALLDIR" $CI_CONFIGURE_FLAGS
ci_spawn "$CI_MAKE" $CI_MAKE_FLAGS
[[ $CI_NO_TEST ]] || ci_spawn "$CI_MAKE" $CI_MAKE_FLAGS test
[[ $CI_NO_INSTALL ]] || ci_spawn "$CI_MAKE" $CI_MAKE_FLAGS install
[[ $CI_NO_CLEAN ]] || ci_spawn "$CI_MAKE" $CI_MAKE_FLAGS clean
[[ $CI_NO_CLEAN ]] || ci_spawn "$CI_MAKE" $CI_MAKE_FLAGS distclean
ci_info "## END OF BUILD ##"
}
ci_init_autotools
ci_trace_autotools
[[ $# -eq 0 ]] || {
ci_info "note: this program accepts environment options only"
ci_err "unexpected command arguments: '$*'"
}
ci_build_autotools