| #!/usr/bin/env bash |
| set -e |
| |
| # ci_autotools.sh |
| # Continuously integrate libpng using the GNU Autotools. |
| # |
| # 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/autotools.build" |
| readonly 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 { |
| # Initialize the CI_ variables with default values, where applicable. |
| CI_MAKE="${CI_MAKE:-make}" |
| [[ $(uname -s || echo unknown) == Darwin ]] && CI_CC="${CI_CC:-clang}" |
| # Print the CI_ variables. |
| ci_info "source directory: $CI_SRCDIR" |
| ci_info "build directory: $CI_BUILDDIR" |
| ci_info "install directory: $CI_INSTALLDIR" |
| ci_info "environment option: \$CI_CONFIGURE_FLAGS='$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'" |
| # Avoid using the CI_ variables that cannot be customized reliably. |
| [[ ! $CI_CONFIGURE_VARS ]] || ci_err "unexpected: \$CI_CONFIGURE_VARS='$CI_CONFIGURE_VARS'" |
| [[ ! $CI_MAKE_VARS ]] || ci_err "unexpected: \$CI_MAKE_VARS='$CI_MAKE_VARS'" |
| } |
| |
| function ci_build_autotools { |
| # 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 -O2 $CFLAGS" |
| ci_spawn export LDFLAGS="-fsanitize=$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 "success!" |
| } |
| |
| ci_init_autotools |
| [[ ! $* ]] || { |
| ci_info "note: this program accepts environment options only" |
| ci_err "unexpected command arguments: '$*'" |
| } |
| ci_build_autotools |