Update configure script for BBv2

[SVN r36350]

configure

@@ -66,6 +66,10 @@ do
       ICU_ROOT=`expr "x$option" : "x-*with-icu=\(.*\)"`
       ;;
 
+    -without-icu | --without-icu )
+      flag_icu=no
+      ;;
+
     -with-libraries=* | --with-libraries=* )
       library_list=`expr "x$option" : "x-*with-libraries=\(.*\)"`
       if test "$library_list" != "all"; then
@@ -150,9 +154,12 @@ Configuration:
                             library names or "all"
                             [all]
   --without-libraries=list  build all libraries except the ones listed []
-  --with-icu                enable Unicode/ICU support in Regex [disabled]
+  --with-icu                enable Unicode/ICU support in Regex 
+                            [automatically detected]
+  --without-icu             disable Unicode/ICU support in Regex
   --with-icu=DIR            specify the root of the ICU library installation
-                            and enable Unicode/ICU support in Regex [disabled] 
+                            and enable Unicode/ICU support in Regex
+                            [automatically detected]
   --with-python=PYTHON      specify the Python executable [python]
   --with-python-root=DIR    specify the root of the Python installation
                             [automatically detected]
@@ -228,6 +235,13 @@ if test "x$INCLUDEDIR" = x; then
 fi
 
 # Find Python
+if test "x$flag_no_python" = x; then
+  result=`$PYTHON -c "exit" > /dev/null 2>&1`
+  if [ "$?" -ne "0" ]; then
+    flag_no_python=yes
+  fi
+fi
+
 if test "x$flag_no_python" = x; then
     if test "x$PYTHON_VERSION" = x; then
         echo -n "Detecting Python version... "
@@ -240,31 +254,69 @@ if test "x$flag_no_python" = x; then
         PYTHON_ROOT=`$PYTHON -c "import sys; print sys.prefix"`
         echo $PYTHON_ROOT
     fi    
-
-    BJAM_CONFIG="$BJAM_CONFIG -sPYTHON_ROOT=$PYTHON_ROOT -sPYTHON_VERSION=$PYTHON_VERSION"
 fi
 
 # Configure ICU
 echo -n "Unicode/ICU support for Boost.Regex?... "
-if test "x$flag_icu" = xyes; then
+if test "x$flag_icu" != xno; then
   if test "x$ICU_ROOT" = x; then
-    BJAM_CONFIG="$BJAM_CONFIG -sHAVE_ICU=1"
-    echo "yes."
+    COMMON_ICU_PATHS="/usr /usr/local /sw"
+    for p in $COMMON_ICU_PATHS; do
+      if test -r $p/include/unicode/utypes.h; then
+        ICU_ROOT=$p
+      fi
+    done
+  
+    if test "x$ICU_ROOT" = x; then
+      echo "not found."
+    else      
+      BJAM_CONFIG="$BJAM_CONFIG -sICU_PATH=$ICU_ROOT"
+      echo "$ICU_ROOT"
+    fi
   else
     BJAM_CONFIG="$BJAM_CONFIG -sICU_PATH=$ICU_ROOT"
     echo "$ICU_ROOT"
   fi
 else
-  echo "no."
+  echo "disabled."
 fi
 
+# Backup the user's existing user-config.jam
+JAM_CONFIG_OUT="$HOME/user-config.jam"
+if test -r "$HOME/user-config.jam"; then
+  counter=1
+ 
+  while test -r "$HOME/user-config.jam.$counter"; do
+    counter=`expr $counter + 1`
+  done
+
+  echo "Backing up existing Boost.Build configuration in $HOME/user-config.jam.$counter"
+  mv "$HOME/user-config.jam" "$HOME/user-config.jam.$counter"
+fi
+
+# Generate user-config.jam
+echo "Generating Boost.Build configuration in $HOME/user-config.jam..."
+cat > $HOME/user-config.jam <<EOF
+# Boost.Build Configuration
+# Automatically generated by Boost configure 
+
+# Compiler configuration
+using $TOOLSET ; 
+EOF
+
+#  - Python configuration
+if test "x$flag_no_python" = x; then
+  cat >> $HOME/user-config.jam <<EOF
 
+# Python configuration
+using python : $PYTHON_VERSION : $PYTHON_ROOT ;
+EOF
+fi
 
 # Generate the Makefile
 echo "Generating Makefile..."
 cat > Makefile <<EOF
 BJAM=$BJAM
-TOOLSET=$TOOLSET
 BJAM_CONFIG=$BJAM_CONFIG
 PREFIX=$PREFIX
 EPREFIX=$EPREFIX
@@ -273,22 +325,22 @@ INCLUDEDIR=$INCLUDEDIR
 LIBS=$LIBS
 
 all: .dummy
-	@echo "\$(BJAM) \$(BJAM_CONFIG) -sTOOLS=\$(TOOLSET) \$(LIBS)"
-	@\$(BJAM) \$(BJAM_CONFIG) -sTOOLS=\$(TOOLSET) \$(LIBS) || \\
+	@echo "\$(BJAM) \$(BJAM_CONFIG) \$(LIBS)"
+	@\$(BJAM) \$(BJAM_CONFIG) \$(LIBS) || \\
 	echo "Not all Boost libraries built properly."
 
 clean: .dummy
-	rm -rf bin
+	rm -rf bin.v1
 
 distclean: clean
 	rm -rf Makefile config.log
 
 check: .dummy
-	@cd status && ../\$(BJAM) \$(BJAM_CONFIG) -sTOOLS=\$(TOOLSET) test || echo "Some Boost regression tests failed. This is normal."
+	@cd status && ../\$(BJAM) \$(BJAM_CONFIG) test || echo "Some Boost regression tests failed. This is normal."
 
 install: .dummy
-	@echo "\$(BJAM) \$(BJAM_CONFIG) --prefix=\$(PREFIX) --exec-prefix=\$(EPREFIX) --libdir=\$(LIBDIR) --includedir=\$(INCLUDEDIR) -sTOOLS=\$(TOOLSET) \$(LIBS) install"
-	@\$(BJAM) \$(BJAM_CONFIG) --prefix=\$(PREFIX) --exec-prefix=\$(EPREFIX) --libdir=\$(LIBDIR) --includedir=\$(INCLUDEDIR) -sTOOLS=\$(TOOLSET) \$(LIBS) install || echo "Not all Boost libraries built properly."
+	@echo "\$(BJAM) \$(BJAM_CONFIG) --prefix=\$(PREFIX) --exec-prefix=\$(EPREFIX) --libdir=\$(LIBDIR) --includedir=\$(INCLUDEDIR) \$(LIBS) install"
+	@\$(BJAM) \$(BJAM_CONFIG) --prefix=\$(PREFIX) --exec-prefix=\$(EPREFIX) --libdir=\$(LIBDIR) --includedir=\$(INCLUDEDIR) \$(LIBS) install || echo "Not all Boost libraries built properly."
 
 .dummy: