make/configure.vm

changeset 802
16e5b9d32754
parent 787
bd96cbb0e205
child 809
8e6d8f0327cf
--- a/make/configure.vm	Sun Jan 28 12:39:08 2024 +0100
+++ b/make/configure.vm	Sun Jan 28 13:10:18 2024 +0100
@@ -1,72 +1,59 @@
 #!/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
 #foreach( $var in $vars )
 #if( $var.exec )
 ${var.varName}=`${var.value}`
 #else
-${var.varName}=${var.value}
+${var.varName}="${var.value}"
 #end
 #end
 
-#if ( ! $project.hasVar("PREFIX") )
-PREFIX=/usr
+# features
+#foreach( $feature in $features )
+#if( ${feature.auto} )
+${feature.varName}=auto
 #end
-#if ( ! $project.hasVar("EPREFIX") )
-EPREFIX=$PREFIX
 #end
 
-#if ( ! $project.hasVar("BINDIR") )
-BINDIR=
-#end
-#if ( ! $project.hasVar("SBINDIR") )
-SBINDIR=
-#end
-#if ( ! $project.hasVar("LIBDIR") )
-LIBDIR=
-#end
-#if ( ! $project.hasVar("LIBEXECDIR") )
-LIBEXECDIR=
-#end
-#if ( ! $project.hasVar("DATADIR") )
-DATADIR=
-#end
-#if ( ! $project.hasVar("SYSCONFDIR") )
-SYSCONFDIR=
-#end
-#if ( ! $project.hasVar("SHAREDSTATEDIR") )
-SHAREDSTATEDIR=
-#end
-#if ( ! $project.hasVar("LOCALSTATEDIR") )
-LOCALSTATEDIR=
-#end
-#if ( ! $project.hasVar("INCLUDEDIR") )
-INCLUDEDIR=
-#end
-#if ( ! $project.hasVar("INFODIR") )
-INFODIR=
-#end
-#if ( ! $project.hasVar("MANDIR") )
-MANDIR=
-#end
-
-OS=`uname -s`
-OS_VERSION=`uname -r`
-
-TEMP_DIR=".tmp-`uname -n`"
-mkdir -p "$TEMP_DIR"
-if [ $? -ne 0 ]; then
-    echo "Cannot create tmp dir"
-    echo "Abort"
-fi
-touch "$TEMP_DIR/options"
-touch "$TEMP_DIR/features"
-
-# features
-#foreach( $feature in $features )
-#if( ${feature.isDefault()} )
-${feature.getVarName()}=on
-#end
-#end
+# clean abort
+abort_configure()
+{
+    rm -Rf "$TEMP_DIR"
+    exit 1
+}
 
 # help text
 printhelp()
@@ -85,28 +72,28 @@
   --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]
 
 #if( $options.size() > 0 )
 Options:
+  --debug                 add extra compile flags for debug builds
+  --release               add extra compile flags for release builds
 #foreach( $opt in $options )
-  --${opt.getArgument()}=${opt.getValuesString()}
+  --${opt.argument}=${opt.valuesString}
 #end
 
 #end
 #if( $features.size() > 0 )
 Optional Features:
 #foreach( $feature in $features )
-#if( $feature.default )
-  --disable-${feature.arg}
-#else
-  --enable-${feature.arg}
-#end
+${feature.helpText}
 #end
 
 #end
@@ -116,107 +103,106 @@
 #
 # parse arguments
 #
+BUILD_TYPE="default"
 #set( $D = '$' )
 for ARG in "$@"
 do
     case "$ARG" in
-        "--prefix="*)         PREFIX=${D}{ARG#--prefix=} ;;
-        "--exec-prefix="*)    EPREFIX=${D}{ARG#--exec-prefix=} ;;
-        "--bindir="*)         BINDIR=${D}{ARG#----bindir=} ;;
-        "--sbindir="*)        SBINDIR=${D}{ARG#--sbindir=} ;;
-        "--libdir="*)         LIBDIR=${D}{ARG#--libdir=} ;;
-        "--libexecdir="*)     LIBEXECDIR=${D}{ARG#--libexecdir=} ;;
-        "--datadir="*)        DATADIR=${D}{ARG#--datadir=} ;;
-        "--sysconfdir="*)     SYSCONFDIR=${D}{ARG#--sysconfdir=} ;;
-        "--sharedstatedir="*) SHAREDSTATEDIR=${D}{ARG#--sharedstatedir=} ;;
-        "--localstatedir="*)  LOCALSTATEDIR=${D}{ARG#--localstatedir=} ;;
-        "--includedir="*)     INCLUDEDIR=${D}{ARG#--includedir=} ;;
-        "--infodir="*)        INFODIR=${D}{ARG#--infodir=} ;;
-        "--mandir"*)          MANDIR=${D}{ARG#--mandir} ;;
-        "--help"*) printhelp; rm -Rf "$TEMP_DIR"; exit 1 ;;
+        "--prefix="*)         prefix=${D}{ARG#--prefix=} ;;
+        "--exec-prefix="*)    exec_prefix=${D}{ARG#--exec-prefix=} ;;
+        "--bindir="*)         bindir=${D}{ARG#----bindir=} ;;
+        "--sbindir="*)        sbindir=${D}{ARG#--sbindir=} ;;
+        "--libdir="*)         libdir=${D}{ARG#--libdir=} ;;
+        "--libexecdir="*)     libexecdir=${D}{ARG#--libexecdir=} ;;
+        "--datarootdir="*)    datarootdir=${D}{ARG#--datarootdir=} ;;
+        "--datadir="*)        datadir=${D}{ARG#--datadir=} ;;
+        "--sysconfdir="*)     sysconfdir=${D}{ARG#--sysconfdir=} ;;
+        "--sharedstatedir="*) sharedstatedir=${D}{ARG#--sharedstatedir=} ;;
+        "--localstatedir="*)  localstatedir=${D}{ARG#--localstatedir=} ;;
+        "--includedir="*)     includedir=${D}{ARG#--includedir=} ;;
+        "--infodir="*)        infodir=${D}{ARG#--infodir=} ;;
+        "--mandir"*)          mandir=${D}{ARG#--mandir} ;;
+        "--localedir"*)       localedir=${D}{ARG#--localedir} ;;
+        "--help"*) printhelp; abort_configure ;;
+        "--debug")           BUILD_TYPE="debug" ;;
+        "--release")         BUILD_TYPE="release" ;;
     #foreach( $opt in $options )
-        "--${opt.getArgument()}="*) ${opt.getVarName()}=${D}{ARG#--${opt.getArgument()}=} ;;
+        "--${opt.argument}="*) ${opt.varName}=${D}{ARG#--${opt.argument}=} ;;
     #end
     #foreach( $feature in $features )
-        "--enable-${feature.arg}") ${feature.getVarName()}=on ;;
-        "--disable-${feature.arg}") unset ${feature.getVarName()} ;;
+        "--enable-${feature.arg}") ${feature.varName}=on ;;
+        "--disable-${feature.arg}") unset ${feature.varName} ;;
     #end
-        "-"*) echo "unknown option: $ARG"; rm -Rf "$TEMP_DIR"; exit 1 ;;
+        "-"*) echo "unknown option: $ARG"; abort_configure ;;
     esac
 done
 
-# set dir variables
-if [ -z "$BINDIR" ]; then
-    BINDIR=$EPREFIX/bin
-fi
-if [ -z "$SBINDIR" ]; then
-    SBINDIR=$EPREFIX/sbin
-fi
-if [ -z "$LIBDIR" ]; then
-    LIBDIR=$EPREFIX/lib
-fi
-if [ -z "$LIBEXEC" ]; then
-    LIBEXECDIR=$EPREFIX/libexec
-fi
-if [ -z "$DATADIR" ]; then
-    DATADIR=$PREFIX/share
-fi
-if [ -z "$SYSCONFDIR" ]; then
-    SYSCONFDIR=$PREFIX/etc
-fi
-if [ -z "$SHAREDSTATEDIR" ]; then
-    SHAREDSTATEDIR=$PREFIX/com
-fi
-if [ -z "$LOCALSTATEDIR" ]; then
-    LOCALSTATEDIR=$PREFIX/var
-fi
-if [ -z "$INCLUDEDIR" ]; then
-    INCLUDEDIR=$PREFIX/include
-fi
-if [ -z "$INFODIR" ]; then
-    INFODIR=$PREFIX/info
-fi
-if [ -z "$MANDIR" ]; then
-    MANDIR=$PREFIX/man
+## Begin unparsed content. **
+#[[
+
+# 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
 
-which pkg-config > /dev/null
-if [ $? -eq 0 ]; then
-    PKG_CONFIG=pkg-config
-else
-    PKG_CONFIG=false
-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"
-fi
-if [ "$OS" = "Linux" ]; then
+elif [ "$OS" = "Linux" ]; then
     PLATFORM="linux unix"
-fi
-if [ "$OS" = "FreeBSD" ]; then
+elif [ "$OS" = "FreeBSD" ]; then
     PLATFORM="freebsd bsd unix"
-fi
-if [ "$OS" = "Darwin" ]; then
+elif [ "$OS" = "OpenBSD" ]; then
+    PLATFORM="openbsd bsd unix"
+elif [ "$OS" = "NetBSD" ]; then
+    PLATFORM="netbsd bsd unix"
+elif [ "$OS" = "Darwin" ]; then
     PLATFORM="macos osx bsd unix"
-fi
-echo "$OS" | grep -i "MINGW" > /dev/null
-if [ $? -eq 0 ]; then
+elif echo "$OS" | grep -i "MINGW" > /dev/null; then
     PLATFORM="windows mingw"
 fi
-
-if [ -z "$PLATFORM" ]; then
-    PLATFORM="unix"
-fi
+: ${PLATFORM:="unix"}
 
-for p in $PLATFORM
-do
-    PLATFORM_NAME=$p
-    break
-done
-echo $PLATFORM_NAME
+PLATFORM_NAME=`echo "$PLATFORM" | cut -f1 -d' ' -`
+echo "$PLATFORM_NAME"
 
 isplatform()
 {
@@ -228,7 +214,7 @@
     done
     return 1
 }
-isnotplatform()
+notisplatform()
 {
     for p in $PLATFORM
     do
@@ -238,102 +224,117 @@
     done
     return 0
 }
-
-# generate config.mk and config.h
-cat > "$TEMP_DIR/config.mk" << __EOF__
-#
-# config.mk generated by configure
-#
-
-# general vars
-#foreach( $var in $vars )
-${var.varName}=$${var.varName}
-#end
+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
+}
+]]#
+## End of unparsed content **
 
-#if ( ! $project.hasVar("PREFIX") )
-PREFIX=$PREFIX
-#end
-#if ( ! $project.hasVar("EPREFIX") )
-EPREFIX=$EPREFIX
-#end
-
-#if ( ! $project.hasVar("BINDIR") )
-BINDIR=$BINDIR
-#end
-#if ( ! $project.hasVar("SBINDIR") )
-SBINDIR=$SBINDIR
+# 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"
+#foreach( $var in $vars )
+${var.varName}="${D}${var.varName}"
 #end
-#if ( ! $project.hasVar("LIBDIR") )
-LIBDIR=$LIBDIR
-#end
-#if ( ! $project.hasVar("LIBEXECDIR") )
-LIBEXECDIR=$LIBEXECDIR
-#end
-#if ( ! $project.hasVar("DATADIR") )
-DATADIR=$DATADIR
-#end
-#if ( ! $project.hasVar("SYSCONFDIR") )
-SYSCONFDIR=$SYSCONFDIR
-#end
-#if ( ! $project.hasVar("SHAREDSTATEDIR") )
-SHAREDSTATEDIR=$SHAREDSTATEDIR
-#end
-#if ( ! $project.hasVar("LOCALSTATEDIR") )
-LOCALSTATEDIR=$LOCALSTATEDIR
-#end
-#if ( ! $project.hasVar("INCLUDEDIR") )
-INCLUDEDIR=$INCLUDEDIR
-#end
-#if ( ! $project.hasVar("INFODIR") )
-INFODIR=$INFODIR
-#end
-#if ( ! $project.hasVar("MANDIR") )
-MANDIR=$MANDIR
-#end
-
 __EOF__
 
-echo > "$TEMP_DIR/make.mk"
-
-ENV_CFLAGS=$CFLAGS
-ENV_LDFLAGS=$LDFLAGS
-ENV_CXXFLAGS=$CXXFLAGS
-
-# Toolchain detection
-# this will insert make vars to config.mk
+# toolchain detection utilities
 . make/toolchain.sh
 
-# add user specified flags to config.mk
-echo "# project specific flags" >> "$TEMP_DIR/config.mk"
-if [ -n "${ENV_CFLAGS}" ]; then
-    echo "CFLAGS += $ENV_CFLAGS" >> "$TEMP_DIR/config.mk"
-fi
-if [ -n "${ENV_CXXFLAGS}" ]; then
-    echo "CXXFLAGS += $ENV_CXXFLAGS" >> "$TEMP_DIR/config.mk"
-fi
-if [ -n "${ENV_LDFLAGS}" ]; then
-    echo "LDFLAGS += $ENV_LDFLAGS" >> "$TEMP_DIR/config.mk"
-fi
-
 #
 # DEPENDENCIES
 #
 
-#foreach( $dependency in $namedDependencies )
-dependency_${dependency.name}()
+# check languages
+lang_c=
+lang_cpp=
+#foreach( $lang in $languages )
+if detect_${lang}_compiler ; then
+    lang_${lang}=1
+fi
+#end
+
+# create buffer for make variables required by dependencies
+echo > "$TEMP_DIR/make.mk"
+
+test_pkg_config()
 {
-    printf "checking for ${dependency.name}... "
-    #foreach( $sub in $dependency.getSubdependencies() )
-    # dependency $sub.getFullName()
+    if "$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
+}
+
+#foreach( $dependency in $namedDependencies )
+dependency_error_${dependency.id}()
+{
+    print_check_msg "${D}dep_checked_${dependency.id}" "checking for ${dependency.name}... "
+    #foreach( $sub in $dependency.subdependencies )
+    # dependency $sub.fullName
     while true
     do
         #if( $sub.platform )
-        if isnotplatform "${sub.platform}"; then
+        if notisplatform "${sub.platform}"; then
             break
         fi
         #end
-        #foreach( $not in $sub.getNotList() )
-        if isplatform "${not}"; then
+        #if( $sub.toolchain )
+        if notistoolchain "${sub.toolchain}"; then
+            break
+        fi
+        #end
+        #foreach( $np in $sub.notList )
+        if isplatform "${np}" || istoolchain "${np}"; then
+            break
+        fi
+        #end
+        #foreach( $lang in $sub.lang )
+        if [ -z "$lang_${lang}" ] ; then
             break
         fi
         #end
@@ -343,24 +344,24 @@
         fi
         #end
         #foreach( $test in $sub.tests )
-        $test > /dev/null
-        if [ $? -ne 0 ]; then
-        break
+        if $test > /dev/null ; then
+            :
+        else
+            break
         fi
         #end
         #foreach( $pkg in $sub.pkgconfig )
-        $pkg.getPkgConfigTestQuery()
-        if [ $? -ne 0 ] ; then
+        if test_pkg_config "$pkg.name" "$pkg.atleast" "$pkg.exact" "$pkg.max" ; then
+            TEMP_CFLAGS="$TEMP_CFLAGS `"$PKG_CONFIG" --cflags $pkg.name`"
+            TEMP_LDFLAGS="$TEMP_LDFLAGS `"$PKG_CONFIG" --libs $pkg.name`"
+        else
             break
         fi
-        TEMP_CFLAGS="$TEMP_CFLAGS `$PKG_CONFIG --cflags $pkg.name`"
-        TEMP_LDFLAGS="$TEMP_LDFLAGS `$PKG_CONFIG --libs $pkg.name`"
         #end
         #foreach( $flags in $sub.flags )
         #if( $flags.exec )
-        $flags.value > /dev/null
-        if [ $? -eq 0 ]; then
-            TEMP_$flags.varName="$TEMP_$flags.varName `$flags.value`"
+        if tmp_flags=`$flags.value` ; then
+            TEMP_$flags.varName="$TEMP_$flags.varName $tmp_flags"
         else
             break
         fi
@@ -374,37 +375,54 @@
 $sub.make
 __EOF__
         #end
-        echo yes
-        return 0
+        print_check_msg "${D}dep_checked_${dependency.id}" "yes\n"
+        dep_checked_${dependency.id}=1
+        return 1
     done
 
     #end
-    echo no
-    return 1
+    print_check_msg "${D}dep_checked_${dependency.id}" "no\n"
+    dep_checked_${dependency.id}=1
+    return 0
 }
 #end
 
+# start collecting dependency information
+echo > "$TEMP_DIR/flags.mk"
+
 DEPENDENCIES_FAILED=
 ERROR=0
 #if( $dependencies.size() > 0 )
-# general dependencies
+# unnamed dependencies
 TEMP_CFLAGS=
+TEMP_CXXFLAGS=
 TEMP_LDFLAGS=
 #foreach( $dependency in $dependencies )
 while true
 do
     #if( $dependency.platform )
-    if isnotplatform "${dependency.platform}"; then
+    if notisplatform "${dependency.platform}"; then
         break
     fi
     #end
-    #foreach( $not in $dependency.getNotList() )
-    if isplatform "${not}"; then
+    #if( $dependency.toolchain )
+    if notistoolchain "${dependency.toolchain}"; then
+        break
+    fi
+    #end
+    #foreach( $np in $dependency.notList )
+    if isplatform "${np}" || istoolchain "${np}"; then
         break
     fi
     #end
     while true
     do
+        #foreach( $lang in $dependency.lang )
+        if [ -z "$lang_${lang}" ] ; then
+            ERROR=1
+            break
+        fi
+        #end
         #if( $dependency.pkgconfig.size() > 0 )
         if [ -z "$PKG_CONFIG" ]; then
             ERROR=1
@@ -412,23 +430,25 @@
         fi
         #end
         #foreach( $pkg in $dependency.pkgconfig )
-        printf "checking for pkg-config package $pkg.name... "
-        $pkg.getPkgConfigTestQuery()
-        if [ $? -ne 0 ]; then
-            echo no
+        print_check_msg "${D}dep_pkgconfig_checked_${pkg.id}" "checking for pkg-config package $pkg.name... "
+        if test_pkg_config "$pkg.name" "$pkg.atleast" "$pkg.exact" "$pkg.max" ; then
+            print_check_msg "${D}dep_pkgconfig_checked_${pkg.id}" "yes\n"
+            dep_pkgconfig_checked_${pkg.id}=1
+            TEMP_CFLAGS="$TEMP_CFLAGS `"$PKG_CONFIG" --cflags $pkg.name`"
+            TEMP_LDFLAGS="$TEMP_LDFLAGS `"$PKG_CONFIG" --libs $pkg.name`"
+        else
+            print_check_msg "${D}dep_pkgconfig_checked_${pkg.id}" "no\n"
+            dep_pkgconfig_checked_${pkg.id}=1
             ERROR=1
             break
         fi
-        echo yes
-        TEMP_CFLAGS="$TEMP_CFLAGS `$PKG_CONFIG --cflags $pkg.name`"
-        TEMP_LDFLAGS="$TEMP_LDFLAGS `$PKG_CONFIG --libs $pkg.name`"
         #end
 
         #foreach( $flags in $dependency.flags )
         #if( $flags.exec )
         $flags.value > /dev/null
-        if [ $? -ne 0 ]; then
-            TEMP_$flags.varName="$TEMP_$flags.varName `$flags.value`"
+        if tmp_flags=`$flags.value` ; then
+            TEMP_$flags.varName="$TEMP_$flags.varName $tmp_flags"
         else
             ERROR=1
             break
@@ -442,24 +462,22 @@
 $dependency.make
 __EOF__
         #end
-
         break
     done
-
     break
 done
 #end
 
-# add general dependency flags to config.mk
-echo >> "$TEMP_DIR/config.mk"
-if [ -n "${TEMP_CFLAGS}" ]; then
-    echo "CFLAGS += $TEMP_CFLAGS" >> $TEMP_DIR/config.mk
+# add general dependency flags to flags.mk
+echo "# general flags" >> "$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}" ]; then
-    echo "CXXFLAGS += $TEMP_CXXFLAGS" >> $TEMP_DIR/config.mk
+if [ -n "${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/config.mk
+    echo "LDFLAGS += $TEMP_LDFLAGS" >> "$TEMP_DIR/flags.mk"
 fi
 #end
 
@@ -472,8 +490,7 @@
 {
     VERR=0
     #foreach( $dep in $val.dependencies )
-    dependency_$dep
-    if [ $? -ne 0 ]; then
+    if dependency_error_$dep ; then
         VERR=1
     fi
     #end
@@ -482,6 +499,7 @@
     fi
     #foreach( $def in $val.defines )
         TEMP_CFLAGS="$TEMP_CFLAGS ${def.toFlags()}"
+        TEMP_CXXFLAGS="$TEMP_CXXFLAGS ${def.toFlags()}"
     #end
     #if( $val.hasMake() )
     cat >> "$TEMP_DIR/make.mk" << __EOF__
@@ -496,23 +514,22 @@
 #
 # TARGETS
 #
+
+#foreach( $target in $targets )
+echo >> "$TEMP_DIR/flags.mk"
+#if ( $target.name )
+echo "configuring target: $target.name"
+echo "# flags for target $target.name" >> "$TEMP_DIR/flags.mk"
+#else
+echo "configuring global target"
+echo "# flags for unnamed target" >> "$TEMP_DIR/flags.mk"
+#end
 TEMP_CFLAGS=
 TEMP_CXXFLAGS=
 TEMP_LDFLAGS=
 
-#foreach( $target in $targets )
-#if ( $target.name )
-# Target: $target.name
-#else
-# Target
-#end
-TEMP_CFLAGS=
-TEMP_LDFLAGS=
-TEMP_CXXFLAGS=
-
 #foreach( $dependency in $target.dependencies )
-dependency_$dependency
-if [ $? -ne 0 ]; then
+if dependency_error_$dependency; then
     DEPENDENCIES_FAILED="$DEPENDENCIES_FAILED ${dependency} "
     ERROR=1
 fi
@@ -520,35 +537,39 @@
 
 # Features
 #foreach( $feature in $target.features )
-if [ -n "$${feature.getVarName()}" ]; then
+if [ -n "${D}${feature.varName}" ]; then
 #foreach( $dependency in $feature.dependencies )
     # check dependency
-    dependency_$dependency
-    if [ $? -ne 0 ]; then
+    if dependency_error_$dependency ; then
         # "auto" features can fail and are just disabled in this case
-        if [ "$${feature.getVarName()}" != "auto" ]; then
+        if [ "${D}${feature.varName}" = "auto" ]; then
+            DISABLE_${feature.varName}=1
+        else
             DEPENDENCIES_FAILED="$DEPENDENCIES_FAILED ${dependency} "
             ERROR=1
         fi
     fi
 #end
+    if [ -n "$DISABLE_${feature.varName}" ]; then
+        unset ${feature.varName}
+    fi
 fi
 #end
 
 #foreach( $opt in $target.options )
 # Option: --${opt.argument}
-if [ -z ${D}${opt.getVarName()} ]; then
+if [ -z "${D}${opt.varName}" ]; then
+    echo "auto-detecting option '${opt.argument}'"
     SAVED_ERROR="$ERROR"
     SAVED_DEPENDENCIES_FAILED="$DEPENDENCIES_FAILED"
-    ERROR=0
+    ERROR=1
     while true
     do
         #foreach( $optdef in $opt.defaults )
         #if( $optdef.platform )
         if isplatform "$optdef.platform"; then
         #end
-        $optdef.func
-        if [ $? -eq 0 ]; then
+        if $optdef.func ; then
             echo "  ${opt.argument}: ${optdef.valueName}" >> "$TEMP_DIR/options"
             ERROR=0
             break
@@ -561,55 +582,92 @@
     done
     if [ $ERROR -ne 0 ]; then
         SAVED_ERROR=1
+        SAVED_DEPENDENCIES_FAILED="option '${opt.argument}' $SAVED_DEPENDENCIES_FAILED"
     fi
     ERROR="$SAVED_ERROR"
     DEPENDENCIES_FAILED="$SAVED_DEPENDENCIES_FAILED"
 else
+    echo "checking option ${opt.argument} = ${D}${opt.varName}"
     if false; then
         false
     #foreach( $optval in $opt.values )
-    elif [ "${D}${opt.getVarName()}" = "${optval.value}" ]; then
-        echo "  ${opt.argument}: ${D}${opt.getVarName()}" >> $TEMP_DIR/options
-        $optval.func
-        if [ $? -ne 0 ]; then
+    elif [ "${D}${opt.varName}" = "${optval.value}" ]; then
+        echo "  ${opt.argument}: ${D}${opt.varName}" >> $TEMP_DIR/options
+        if $optval.func ; then
+            :
+        else
             ERROR=1
+            DEPENDENCIES_FAILED="option '${opt.argument}' $DEPENDENCIES_FAILED"
         fi
     #end
     fi
 fi
 #end
 
-echo >> "$TEMP_DIR/config.mk"
-if [ -n "${TEMP_CFLAGS}" ]; then
-    echo "${target.getCFlags()}  += $TEMP_CFLAGS" >> "$TEMP_DIR/config.mk"
+if [ -n "${TEMP_CFLAGS}" ] && [ -n "$lang_c" ]; then
+    echo "${target.cFlags}  += $TEMP_CFLAGS" >> "$TEMP_DIR/flags.mk"
+fi
+if [ -n "${TEMP_CXXFLAGS}" ] && [ -n "$lang_cpp" ]; then
+    echo "${target.cxxFlags}  += $TEMP_CXXFLAGS" >> "$TEMP_DIR/flags.mk"
 fi
-if [ -n "${TEMP_CXXFLAGS}" ]; then
-    echo "${target.getCXXFlags()} += $TEMP_CXXFLAGS" >> "$TEMP_DIR/config.mk"
+if [ "$BUILD_TYPE" = "debug" ]; then
+    if [ -n "$lang_c" ]; then
+        echo '${target.cFlags} += ${DEBUG_CC_FLAGS}' >> "$TEMP_DIR/flags.mk"
+    fi
+    if [ -n "$lang_cpp" ]; then
+        echo '${target.cxxFlags} += ${DEBUG_CXX_FLAGS}' >> "$TEMP_DIR/flags.mk"
+    fi
+fi
+if [ "$BUILD_TYPE" = "release" ]; then
+    if [ -n "$lang_c" ]; then
+        echo '${target.cFlags} += ${RELEASE_CC_FLAGS}' >> "$TEMP_DIR/flags.mk"
+    fi
+    if [ -n "$lang_cpp" ]; then
+        echo '${target.cxxFlags} += ${RELEASE_CXX_FLAGS}' >> "$TEMP_DIR/flags.mk"
+    fi
 fi
 if [ -n "${TEMP_LDFLAGS}" ]; then
-    echo "${target.getLDFlags()} += $TEMP_LDFLAGS" >> "$TEMP_DIR/config.mk"
+    echo "${target.ldFlags} += $TEMP_LDFLAGS" >> "$TEMP_DIR/flags.mk"
 fi
 
 #end
+
+# final result
 if [ $ERROR -ne 0 ]; then
     echo
     echo "Error: Unresolved dependencies"
     echo "$DEPENDENCIES_FAILED"
-    rm -Rf "$TEMP_DIR"
-    exit 1
+    abort_configure
 fi
 
 echo "configure finished"
 echo
 echo "Build Config:"
-echo "  PREFIX:    $PREFIX"
-echo "  TOOLCHAIN: $TOOLCHAIN_NAME"
+echo "  PREFIX:      $prefix"
+echo "  TOOLCHAIN:   $TOOLCHAIN_NAME"
 #if ( $options.size() > 0 )
 echo "Options:"
 cat "$TEMP_DIR/options"
 #end
+#if ( $features.size() > 0 )
+echo "Features:"
+#foreach( $feature in $features )
+if [ -n "${D}${feature.varName}" ]; then
+echo "  $feature.name: on"
+else
+echo "  $feature.name: off"
+fi
+#end
+#end
 echo
-cat "$TEMP_DIR/config.mk" "$TEMP_DIR/make.mk" > config.mk
+
+# generate the config.mk file
+cat > "$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"
-
-

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