Mon, 19 Feb 2024 22:09:16 +0100
implement basic (enter only) tree iterator
relates to #371
#!/bin/sh # create temporary directory TEMP_DIR=".tmp-`uname -n`" rm -Rf "$TEMP_DIR" if mkdir -p "$TEMP_DIR"; then : else echo "Cannot create tmp dir $TEMP_DIR" echo "Abort" exit 1 fi touch "$TEMP_DIR/options" touch "$TEMP_DIR/features" # define standard variables # also define standard prefix (this is where we will search for config.site) prefix=/usr exec_prefix= bindir= sbindir= libdir= libexecdir= datarootdir= datadir= sysconfdir= sharedstatedir= localstatedir= runstatedir= includedir= infodir= localedir= mandir= # custom variables src_dir=`pwd` DOXYGEN=`command -v doxygen` PANDOC=`command -v pandoc` # features # clean abort abort_configure() { rm -Rf "$TEMP_DIR" exit 1 } # help text printhelp() { echo "Usage: $0 [OPTIONS]..." cat << __EOF__ Installation directories: --prefix=PREFIX path prefix for architecture-independent files [/usr] --exec-prefix=EPREFIX path prefix for architecture-dependent files [PREFIX] --bindir=DIR user executables [EPREFIX/bin] --sbindir=DIR system admin executables [EPREFIX/sbin] --libexecdir=DIR program executables [EPREFIX/libexec] --sysconfdir=DIR system configuration files [PREFIX/etc] --sharedstatedir=DIR modifiable architecture-independent data [PREFIX/com] --localstatedir=DIR modifiable single-machine data [PREFIX/var] --runstatedir=DIR run-time variable data [LOCALSTATEDIR/run] --libdir=DIR object code libraries [EPREFIX/lib] --includedir=DIR C header files [PREFIX/include] --datarootdir=DIR read-only arch.-independent data root [PREFIX/share] --datadir=DIR read-only architecture-independent data [DATAROOTDIR] --infodir=DIR info documentation [DATAROOTDIR/info] --mandir=DIR man documentation [DATAROOTDIR/man] --localedir=DIR locale-dependent data [DATAROOTDIR/locale] Options: --debug add extra compile flags for debug builds --release add extra compile flags for release builds --with-docs=(all|html|api|none) Optional Features: --enable-coverage __EOF__ } # # parse arguments # BUILD_TYPE="default" for ARG in "$@" do case "$ARG" in "--prefix="*) prefix=${ARG#--prefix=} ;; "--exec-prefix="*) exec_prefix=${ARG#--exec-prefix=} ;; "--bindir="*) bindir=${ARG#----bindir=} ;; "--sbindir="*) sbindir=${ARG#--sbindir=} ;; "--libdir="*) libdir=${ARG#--libdir=} ;; "--libexecdir="*) libexecdir=${ARG#--libexecdir=} ;; "--datarootdir="*) datarootdir=${ARG#--datarootdir=} ;; "--datadir="*) datadir=${ARG#--datadir=} ;; "--sysconfdir="*) sysconfdir=${ARG#--sysconfdir=} ;; "--sharedstatedir="*) sharedstatedir=${ARG#--sharedstatedir=} ;; "--localstatedir="*) localstatedir=${ARG#--localstatedir=} ;; "--includedir="*) includedir=${ARG#--includedir=} ;; "--infodir="*) infodir=${ARG#--infodir=} ;; "--mandir"*) mandir=${ARG#--mandir} ;; "--localedir"*) localedir=${ARG#--localedir} ;; "--help"*) printhelp; abort_configure ;; "--debug") BUILD_TYPE="debug" ;; "--release") BUILD_TYPE="release" ;; "--with-docs="*) OPT_WITH_DOCS=${ARG#--with-docs=} ;; "--enable-coverage") FEATURE_COVERAGE=on ;; "--disable-coverage") unset FEATURE_COVERAGE ;; "-"*) echo "unknown option: $ARG"; abort_configure ;; esac done # set defaults for dir variables : ${exec_prefix:="$prefix"} : ${bindir:='${exec_prefix}/bin'} : ${sbindir:='${exec_prefix}/sbin'} : ${libdir:='${exec_prefix}/lib'} : ${libexecdir:='${exec_prefix}/libexec'} : ${datarootdir:='${prefix}/share'} : ${datadir:='${datarootdir}'} : ${sysconfdir:='${prefix}/etc'} : ${sharedstatedir:='${prefix}/com'} : ${localstatedir:='${prefix}/var'} : ${runstatedir:='${localstatedir}/run'} : ${includedir:='${prefix}/include'} : ${infodir:='${datarootdir}/info'} : ${mandir:='${datarootdir}/man'} : ${localedir:='${datarootdir}/locale'} # check if a config.site exists and load it if [ -n "$CONFIG_SITE" ]; then # CONFIG_SITE may contain space separated file names for cs in $CONFIG_SITE; do printf "loading defaults from $cs... " . "$cs" echo ok done elif [ -f "$prefix/share/config.site" ]; then printf "loading site defaults... " . "$prefix/share/config.site" echo ok elif [ -f "$prefix/etc/config.site" ]; then printf "loading site defaults... " . "$prefix/etc/config.site" echo ok fi # Test for availability of pkg-config PKG_CONFIG=`command -v pkg-config` : ${PKG_CONFIG:="false"} # Simple uname based platform detection # $PLATFORM is used for platform dependent dependency selection OS=`uname -s` OS_VERSION=`uname -r` printf "detect platform... " if [ "$OS" = "SunOS" ]; then PLATFORM="solaris sunos unix svr4" elif [ "$OS" = "Linux" ]; then PLATFORM="linux unix" elif [ "$OS" = "FreeBSD" ]; then PLATFORM="freebsd bsd unix" elif [ "$OS" = "OpenBSD" ]; then PLATFORM="openbsd bsd unix" elif [ "$OS" = "NetBSD" ]; then PLATFORM="netbsd bsd unix" elif [ "$OS" = "Darwin" ]; then PLATFORM="macos osx bsd unix" elif echo "$OS" | grep -i "MINGW" > /dev/null; then PLATFORM="windows mingw" fi : ${PLATFORM:="unix"} PLATFORM_NAME=`echo "$PLATFORM" | cut -f1 -d' ' -` echo "$PLATFORM_NAME" isplatform() { for p in $PLATFORM do if [ "$p" = "$1" ]; then return 0 fi done return 1 } notisplatform() { for p in $PLATFORM do if [ "$p" = "$1" ]; then return 1 fi done return 0 } istoolchain() { for t in $TOOLCHAIN do if [ "$t" = "$1" ]; then return 0 fi done return 1 } notistoolchain() { for t in $TOOLCHAIN do if [ "$t" = "$1" ]; then return 1 fi done return 0 } # generate vars.mk cat > "$TEMP_DIR/vars.mk" << __EOF__ prefix=$prefix exec_prefix=$exec_prefix bindir=$bindir sbindir=$sbindir libdir=$libdir libexecdir=$libexecdir datarootdir=$datarootdir datadir=$datadir sysconfdir=$sysconfdir sharedstatedir=$sharedstatedir localstatedir=$localstatedir runstatedir=$runstatedir includedir=$includedir infodir=$infodir mandir=$mandir localedir=$localedir src_dir=$src_dir DOXYGEN=$DOXYGEN PANDOC=$PANDOC __EOF__ # toolchain detection utilities . make/toolchain.sh # # DEPENDENCIES # # check languages lang_c= lang_cpp= if detect_c_compiler ; then lang_c=1 fi # create buffer for make variables required by dependencies echo > "$TEMP_DIR/make.mk" test_pkg_config() { if "$PKG_CONFIG" --exists "$1" ; then : else return 1 ; fi if [ -z "$2" ] || "$PKG_CONFIG" --atleast-version="$2" "$1" ; then : else return 1 ; fi if [ -z "$3" ] || "$PKG_CONFIG" --exact-version="$3" "$1" ; then : else return 1 ; fi if [ -z "$4" ] || "$PKG_CONFIG" --max-version="$4" "$1" ; then : else return 1 ; fi return 0 } print_check_msg() { if [ -z "$1" ]; then shift printf "$@" fi } dependency_error_coverage() { print_check_msg "$dep_checked_coverage" "checking for coverage... " # dependency coverage toolchain="gnuc" while true do if notistoolchain "gnuc"; then break fi TEMP_CFLAGS="$TEMP_CFLAGS \${COVERAGE_CFLAGS}" TEMP_LDFLAGS="$TEMP_LDFLAGS \${COVERAGE_LDFLAGS}" print_check_msg "$dep_checked_coverage" "yes\n" dep_checked_coverage=1 return 1 done print_check_msg "$dep_checked_coverage" "no\n" dep_checked_coverage=1 return 0 } dependency_error_pandoc() { print_check_msg "$dep_checked_pandoc" "checking for pandoc... " # dependency pandoc while true do if test -n "$PANDOC" > /dev/null ; then : else break fi print_check_msg "$dep_checked_pandoc" "yes\n" dep_checked_pandoc=1 return 1 done print_check_msg "$dep_checked_pandoc" "no\n" dep_checked_pandoc=1 return 0 } dependency_error_c() { print_check_msg "$dep_checked_c" "checking for c... " # dependency c platform="mingw" while true do if notisplatform "mingw"; then break fi if [ -z "$lang_c" ] ; then break fi cat >> $TEMP_DIR/make.mk << __EOF__ # Dependency: c AR=ar ARFLAGS=r STLIB_EXT=.lib SHLIB_EXT=.dll __EOF__ print_check_msg "$dep_checked_c" "yes\n" dep_checked_c=1 return 1 done # dependency c platform="macos" while true do if notisplatform "macos"; then break fi if [ -z "$lang_c" ] ; then break fi cat >> $TEMP_DIR/make.mk << __EOF__ # Dependency: c AR=ar ARFLAGS=r STLIB_EXT=.a SHLIB_EXT=.dylib __EOF__ print_check_msg "$dep_checked_c" "yes\n" dep_checked_c=1 return 1 done # dependency c platform="unix" while true do if notisplatform "unix"; then break fi if [ -z "$lang_c" ] ; then break fi cat >> $TEMP_DIR/make.mk << __EOF__ # Dependency: c AR=ar ARFLAGS=r STLIB_EXT=.a SHLIB_EXT=.so __EOF__ print_check_msg "$dep_checked_c" "yes\n" dep_checked_c=1 return 1 done print_check_msg "$dep_checked_c" "no\n" dep_checked_c=1 return 0 } dependency_error_file_tools() { print_check_msg "$dep_checked_file_tools" "checking for file_tools... " # dependency file-tools while true do cat >> $TEMP_DIR/make.mk << __EOF__ # Dependency: file_tools MKDIR=/bin/mkdir -p RMFILE=/bin/rm -f RMDIR=/bin/rm -f -R COPYFILE=/bin/cp -f COPYALL=/bin/cp -f -R SYMLINK=/bin/ln -s __EOF__ print_check_msg "$dep_checked_file_tools" "yes\n" dep_checked_file_tools=1 return 1 done print_check_msg "$dep_checked_file_tools" "no\n" dep_checked_file_tools=1 return 0 } dependency_error_doxygen() { print_check_msg "$dep_checked_doxygen" "checking for doxygen... " # dependency doxygen while true do if test -n "$DOXYGEN" > /dev/null ; then : else break fi print_check_msg "$dep_checked_doxygen" "yes\n" dep_checked_doxygen=1 return 1 done print_check_msg "$dep_checked_doxygen" "no\n" dep_checked_doxygen=1 return 0 } # start collecting dependency information echo > "$TEMP_DIR/flags.mk" DEPENDENCIES_FAILED= ERROR=0 # unnamed dependencies TEMP_CFLAGS= TEMP_CXXFLAGS= TEMP_LDFLAGS= while true do while true do cat >> "$TEMP_DIR/make.mk" << __EOF__ # library version VERSION=3.1.0 LIBVERSION=5.0.0 LIBVERSION_MAJOR=5 # build directory structure !! do not change or override !! build_dir=${src_dir}/build docs_dir=${src_dir}/build/docs dist_dir=${src_dir}/dist __EOF__ break done break done # add general dependency flags to flags.mk echo "# general flags" >> "$TEMP_DIR/flags.mk" if [ -n "${TEMP_CFLAGS}" ] && [ -n "$lang_c" ]; then echo "CFLAGS += $TEMP_CFLAGS" >> "$TEMP_DIR/flags.mk" fi if [ -n "${TEMP_CXXFLAGS}" ] && [ -n "$lang_cpp" ]; then echo "CXXFLAGS += $TEMP_CXXFLAGS" >> "$TEMP_DIR/flags.mk" fi if [ -n "${TEMP_LDFLAGS}" ]; then echo "LDFLAGS += $TEMP_LDFLAGS" >> "$TEMP_DIR/flags.mk" fi # # OPTION VALUES # checkopt_with_docs_all() { VERR=0 if dependency_error_pandoc ; then VERR=1 fi if dependency_error_doxygen ; then VERR=1 fi if [ $VERR -ne 0 ]; then return 1 fi cat >> "$TEMP_DIR/make.mk" << __EOF__ # Documentation WITH_DOCS_API=yes WITH_DOCS_HTML=yes __EOF__ return 0 } checkopt_with_docs_html() { VERR=0 if dependency_error_pandoc ; then VERR=1 fi if [ $VERR -ne 0 ]; then return 1 fi cat >> "$TEMP_DIR/make.mk" << __EOF__ # Documentation WITH_DOCS_HTML=yes __EOF__ return 0 } checkopt_with_docs_api() { VERR=0 if dependency_error_doxygen ; then VERR=1 fi if [ $VERR -ne 0 ]; then return 1 fi cat >> "$TEMP_DIR/make.mk" << __EOF__ # Documentation WITH_DOCS_API=yes __EOF__ return 0 } checkopt_with_docs_none() { VERR=0 if [ $VERR -ne 0 ]; then return 1 fi return 0 } # # TARGETS # echo >> "$TEMP_DIR/flags.mk" echo "configuring global target" echo "# flags for unnamed target" >> "$TEMP_DIR/flags.mk" TEMP_CFLAGS= TEMP_CXXFLAGS= TEMP_LDFLAGS= if dependency_error_c; then DEPENDENCIES_FAILED="$DEPENDENCIES_FAILED c " ERROR=1 fi if dependency_error_file_tools; then DEPENDENCIES_FAILED="$DEPENDENCIES_FAILED file_tools " ERROR=1 fi # Features if [ -n "$FEATURE_COVERAGE" ]; then # check dependency if dependency_error_coverage ; then # "auto" features can fail and are just disabled in this case if [ "$FEATURE_COVERAGE" = "auto" ]; then DISABLE_FEATURE_COVERAGE=1 else DEPENDENCIES_FAILED="$DEPENDENCIES_FAILED coverage " ERROR=1 fi fi if [ -n "$DISABLE_FEATURE_COVERAGE" ]; then unset FEATURE_COVERAGE fi fi # Option: --with-docs if [ -z "$OPT_WITH_DOCS" ]; then echo "auto-detecting option 'with-docs'" SAVED_ERROR="$ERROR" SAVED_DEPENDENCIES_FAILED="$DEPENDENCIES_FAILED" ERROR=1 while true do if checkopt_with_docs_all ; then echo " with-docs: all" >> "$TEMP_DIR/options" ERROR=0 break fi if checkopt_with_docs_html ; then echo " with-docs: html" >> "$TEMP_DIR/options" ERROR=0 break fi if checkopt_with_docs_api ; then echo " with-docs: api" >> "$TEMP_DIR/options" ERROR=0 break fi if checkopt_with_docs_none ; then echo " with-docs: none" >> "$TEMP_DIR/options" ERROR=0 break fi break done if [ $ERROR -ne 0 ]; then SAVED_ERROR=1 SAVED_DEPENDENCIES_FAILED="option 'with-docs' $SAVED_DEPENDENCIES_FAILED" fi ERROR="$SAVED_ERROR" DEPENDENCIES_FAILED="$SAVED_DEPENDENCIES_FAILED" else echo "checking option with-docs = $OPT_WITH_DOCS" if false; then false elif [ "$OPT_WITH_DOCS" = "all" ]; then echo " with-docs: $OPT_WITH_DOCS" >> $TEMP_DIR/options if checkopt_with_docs_all ; then : else ERROR=1 DEPENDENCIES_FAILED="option 'with-docs' $DEPENDENCIES_FAILED" fi elif [ "$OPT_WITH_DOCS" = "html" ]; then echo " with-docs: $OPT_WITH_DOCS" >> $TEMP_DIR/options if checkopt_with_docs_html ; then : else ERROR=1 DEPENDENCIES_FAILED="option 'with-docs' $DEPENDENCIES_FAILED" fi elif [ "$OPT_WITH_DOCS" = "api" ]; then echo " with-docs: $OPT_WITH_DOCS" >> $TEMP_DIR/options if checkopt_with_docs_api ; then : else ERROR=1 DEPENDENCIES_FAILED="option 'with-docs' $DEPENDENCIES_FAILED" fi elif [ "$OPT_WITH_DOCS" = "none" ]; then echo " with-docs: $OPT_WITH_DOCS" >> $TEMP_DIR/options if checkopt_with_docs_none ; then : else ERROR=1 DEPENDENCIES_FAILED="option 'with-docs' $DEPENDENCIES_FAILED" fi fi fi if [ -n "${TEMP_CFLAGS}" ] && [ -n "$lang_c" ]; then echo "CFLAGS += $TEMP_CFLAGS" >> "$TEMP_DIR/flags.mk" fi if [ -n "${TEMP_CXXFLAGS}" ] && [ -n "$lang_cpp" ]; then echo "CXXFLAGS += $TEMP_CXXFLAGS" >> "$TEMP_DIR/flags.mk" fi if [ "$BUILD_TYPE" = "debug" ]; then if [ -n "$lang_c" ]; then echo 'CFLAGS += ${DEBUG_CC_FLAGS}' >> "$TEMP_DIR/flags.mk" fi if [ -n "$lang_cpp" ]; then echo 'CXXFLAGS += ${DEBUG_CXX_FLAGS}' >> "$TEMP_DIR/flags.mk" fi fi if [ "$BUILD_TYPE" = "release" ]; then if [ -n "$lang_c" ]; then echo 'CFLAGS += ${RELEASE_CC_FLAGS}' >> "$TEMP_DIR/flags.mk" fi if [ -n "$lang_cpp" ]; then echo 'CXXFLAGS += ${RELEASE_CXX_FLAGS}' >> "$TEMP_DIR/flags.mk" fi fi if [ -n "${TEMP_LDFLAGS}" ]; then echo "LDFLAGS += $TEMP_LDFLAGS" >> "$TEMP_DIR/flags.mk" fi # final result if [ $ERROR -ne 0 ]; then echo echo "Error: Unresolved dependencies" echo "$DEPENDENCIES_FAILED" abort_configure fi echo "configure finished" echo echo "Build Config:" echo " PREFIX: $prefix" echo " TOOLCHAIN: $TOOLCHAIN_NAME" echo "Options:" cat "$TEMP_DIR/options" echo "Features:" if [ -n "$FEATURE_COVERAGE" ]; then echo " coverage: on" else echo " coverage: off" fi echo # generate the config.mk file cat > "$TEMP_DIR/config.mk" << __EOF__ # # config.mk generated by configure # __EOF__ write_toolchain_defaults "$TEMP_DIR/toolchain.mk" cat "$TEMP_DIR/vars.mk" "$TEMP_DIR/toolchain.mk" "$TEMP_DIR/flags.mk" "$TEMP_DIR/make.mk" > config.mk rm -Rf "$TEMP_DIR"