diff -r 000000000000 -r b4b281ef2d0f configure
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/configure	Sat Jan 11 13:45:38 2025 +0100
@@ -0,0 +1,383 @@
+#!/bin/sh
+
+
+# some utility functions
+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" = "$1" ]; then
+            return 1
+        fi
+    done
+    return 0
+}
+
+# clean abort
+abort_configure()
+{
+    rm -Rf "$TEMP_DIR"
+    exit 1
+}
+
+# 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"
+
+
+# help text
+printhelp()
+{
+    echo "Usage: $0 [OPTIONS]..."
+    cat << __EOF__
+Installation directories:
+  --prefix=PREFIX         path prefix for architecture-independent files
+                          [$prefix]
+  --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]
+
+Build Types:
+--debug                 add extra compile flags for debug builds
+--release               add extra compile flags for release builds
+
+__EOF__
+}
+
+# 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 "$TEMP_DIR/features"
+
+# define standard variables
+# also define standard prefix (this is where we will search for config.site)
+prefix=/usr
+exec_prefix=
+bindir=
+sbindir=
+libdir=
+libexecdir=
+datarootdir=
+datadir=
+sysconfdir=
+sharedstatedir=
+localstatedir=
+runstatedir=
+includedir=
+infodir=
+localedir=
+mandir=
+
+# custom variables
+
+# features
+
+#
+# parse arguments
+#
+BUILD_TYPE="default"
+for ARG in "$@"
+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" ;;
+        "-"*) 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
+
+
+# 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=$localedir
+__EOF__
+
+# toolchain detection utilities
+. make/toolchain.sh
+
+#
+# DEPENDENCIES
+#
+
+# check languages
+lang_c=
+lang_cpp=
+if detect_cpp_compiler ; then
+    lang_cpp=1
+fi
+
+# create buffer for make variables required by dependencies
+echo > "$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
+}
+
+
+# start collecting dependency information
+echo > "$TEMP_DIR/flags.mk"
+
+DEPENDENCIES_FAILED=
+ERROR=0
+# unnamed dependencies
+TEMP_CFLAGS="$CFLAGS"
+TEMP_CXXFLAGS="$CXXFLAGS"
+TEMP_LDFLAGS="$LDFLAGS"
+while true
+do
+    while true
+    do
+        if [ -z "$lang_cpp" ] ; then
+            ERROR=1
+            break
+        fi
+
+        break
+    done
+    break
+done
+
+# add general dependency flags to flags.mk
+echo "# general flags" >> "$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
+#
+
+#
+# TARGETS
+#
+
+echo >> "$TEMP_DIR/flags.mk"
+echo "configuring target: default"
+echo "# flags for target default" >> "$TEMP_DIR/flags.mk"
+TEMP_CFLAGS=
+TEMP_CXXFLAGS=
+TEMP_LDFLAGS=
+
+
+# Features
+
+
+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:   $TOOLCHAIN_NAME"
+echo
+
+# generate the config.mk file
+cat > "$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"