add llvm configure flags to enable/disable target OSes/Envs

configure

 #! /bin/sh
 # Guess values for system-dependent variables and create Makefiles.
 # Generated by GNU Autoconf 2.60 for llvm 3.0svn.
 #
 # Report bugs to <llvmbugs@cs.uiuc.edu>.
 #
 # Copyright (C) 1992, 1993, 1994, 1995, 1996, 1998, 1999, 2000, 2001,
 # 2002, 2003, 2004, 2005, 2006 Free Software Foundation, Inc.
 # This configure script is free software; the Free Software Foundation
 # gives unlimited permission to copy, distribute and modify it.
@@ skipping 683 matching lines @@
 ENABLE_PTHREADS
 ENABLE_PIC
 ENABLE_SHARED
 ENABLE_EMBED_STDCXX
 ENABLE_TIMESTAMPS
 TARGETS_TO_BUILD
 LLVM_ENUM_TARGETS
 LLVM_ENUM_ASM_PRINTERS
 LLVM_ENUM_ASM_PARSERS
 LLVM_ENUM_DISASSEMBLERS
+TARGET_OSES_TO_BUILD
+TARGET_ENVS_TO_BUILD
 ENABLE_CBE_PRINTF_A
 CLANGPATH
 CLANGXXPATH
 ENABLE_BUILT_CLANG
 OPTIMIZE_OPTION
 EXTRA_OPTIONS
 EXTRA_LD_OPTIONS
 BINUTILS_INCDIR
 CXX
 CXXFLAGS
@@ skipping 711 matching lines @@
                           (default is NO)
   --enable-embed-stdcxx   Build a shared library with embedded libstdc++ for
                           Win32 DLL (default is YES)
   --enable-timestamps     Enable embedding timestamp information in build
                           (default is YES)
   --enable-targets        Build specific host targets: all or
                           target1,target2,... Valid targets are: host, x86,
                           x86_64, sparc, powerpc, alpha, arm, mips, spu,
                           xcore, msp430, systemz, blackfin, ptx, cbe, and cpp
                           (default=all)
+  --enable-target-oses    Build specific target OSes: all or
+                          target_os1,target_os2,... Valid targets are: host,
+                          AuroraUX, Cygwin, Darwin, DragonFly, Freebsd, IOS,
+                          KFreeBSD, Linux, Lv2, MacOSX, MinGW32, NetBSD,
+                          OpenBSD, Psp, Solaris, Win32, Haiku, Minix, RTEMS,
+                          NativeClient, (default=all)
+  --enable-target-envs    Build specific target environments: all or
+                          target_env1,target_env2,... Valid targets are: eabi,
+                          gnueabi, gnu, macho, (default=all)
   --enable-cbe-printf-a   Enable C Backend output with hex floating point via
                           %a (default is YES)
   --enable-bindings       Build specific language bindings:
                           all,auto,none,{binding-name} (default=auto)
   --enable-libffi         Check for the presence of libffi (default is NO)
   --enable-ltdl-install   install libltdl
 
 Optional Packages:
   --with-PACKAGE[=ARG]    use PACKAGE [ARG=yes]
   --without-PACKAGE       do not use PACKAGE (same as --with-PACKAGE=no)
@@ skipping 3730 matching lines @@
   fi
   if test -f ${srcdir}/lib/Target/${target_to_build}/Disassembler/Makefile ; then
     LLVM_ENUM_DISASSEMBLERS="LLVM_DISASSEMBLER($target_to_build) $LLVM_ENUM_DISASSEMBLERS";
   fi
 done
 
 
 
 
 
+TARGET_OSES_TO_BUILD=""
+# Check whether --enable-target-oses was given.
+if test "${enable_target_oses+set}" = set; then
+  enableval=$enable_target_oses;
+else
+  enableval=all
+fi
+
+if test "$enableval" = host-only ; then
+  enableval=host
+fi
+case "$enableval" in
+  all)
+    TARGET_OSES_TO_BUILD="AuroraUX Cygwin Darwin DragonFly FreeBSD IOS KFreeBSD Linux Lv2 MacOSX MinGW32 NetBSD OpenBSD Psp Solaris Win32 Haiku Minix RTEMS NativeClient" ;;
+  *)
+    for a_target in `echo $enableval | sed -e 's/,/ /g' ` ; do
+      case "$a_target" in
+        AuroraUX)  TARGET_OSES_TO_BUILD="AuroraUX $TARGET_OSES_TO_BUILD" ;;
+        Cygwin)    TARGET_OSES_TO_BUILD="Cygwin $TARGET_OSES_TO_BUILD" ;;
+        Darwin)    TARGET_OSES_TO_BUILD="Darwin $TARGET_OSES_TO_BUILD" ;;
+        DragonFly) TARGET_OSES_TO_BUILD="DragonFly $TARGET_OSES_TO_BUILD" ;;
+        FreeBSD)   TARGET_OSES_TO_BUILD="FreeBSD $TARGET_OSES_TO_BUILD" ;;
+        IOS)       TARGET_OSES_TO_BUILD="IOS $TARGET_OSES_TO_BUILD" ;;
+        KFreeBSD)  TARGET_OSES_TO_BUILD="KFreeBSD $TARGET_OSES_TO_BUILD" ;;
+        Linux)     TARGET_OSES_TO_BUILD="Linux $TARGET_OSES_TO_BUILD" ;;
+        Lv2)       TARGET_OSES_TO_BUILD="Lv2 $TARGET_OSES_TO_BUILD" ;;
+        MacOSX)    TARGET_OSES_TO_BUILD="MacOSX $TARGET_OSES_TO_BUILD" ;;
+        MinGW32)   TARGET_OSES_TO_BUILD="MinGW32 $TARGET_OSES_TO_BUILD" ;;
+        NetBSD)    TARGET_OSES_TO_BUILD="NetBSD $TARGET_OSES_TO_BUILD" ;;
+        OpenBSD)   TARGET_OSES_TO_BUILD="OpenBSD $TARGET_OSES_TO_BUILD" ;;
+        Psp)       TARGET_OSES_TO_BUILD="Psp $TARGET_OSES_TO_BUILD" ;;
+        Solaris)   TARGET_OSES_TO_BUILD="Solaris $TARGET_OSES_TO_BUILD" ;;
+        Win32)     TARGET_OSES_TO_BUILD="Win32 $TARGET_OSES_TO_BUILD" ;;
+        Haiku)     TARGET_OSES_TO_BUILD="Haiku $TARGET_OSES_TO_BUILD" ;;
+        Minix)     TARGET_OSES_TO_BUILD="Minix $TARGET_OSES_TO_BUILD" ;;
+        RTEMS)     TARGET_OSES_TO_BUILD="RTEMS $TARGET_OSES_TO_BUILD" ;;
+        NativeClient)
+          TARGET_OSES_TO_BUILD="NativeClient $TARGET_OSES_TO_BUILD" ;;
+        host)
+          case "$llvm_cv_os_type" in
+            AuroraUX)  TARGET_OSES_TO_BUILD="AuroraUX $TARGET_OSES_TO_BUILD" ;;
+            Cygwin)    TARGET_OSES_TO_BUILD="Cygwin $TARGET_OSES_TO_BUILD" ;;
+            Darwin)    TARGET_OSES_TO_BUILD="Darwin $TARGET_OSES_TO_BUILD" ;;
+            DragonFly) TARGET_OSES_TO_BUILD="DragonFly $TARGET_OSES_TO_BUILD" ;;
+            FreeBSD)   TARGET_OSES_TO_BUILD="FreeBSD $TARGET_OSES_TO_BUILD" ;;
+            IOS)       TARGET_OSES_TO_BUILD="IOS $TARGET_OSES_TO_BUILD" ;;
+            KFreeBSD)  TARGET_OSES_TO_BUILD="KFreeBSD $TARGET_OSES_TO_BUILD" ;;
+            Linux)     TARGET_OSES_TO_BUILD="Linux $TARGET_OSES_TO_BUILD" ;;
+            Lv2)       TARGET_OSES_TO_BUILD="Lv2 $TARGET_OSES_TO_BUILD" ;;
+            MacOSX)    TARGET_OSES_TO_BUILD="MacOSX $TARGET_OSES_TO_BUILD" ;;
+            MinGW32)   TARGET_OSES_TO_BUILD="MinGW32 $TARGET_OSES_TO_BUILD" ;;
+            NetBSD)    TARGET_OSES_TO_BUILD="NetBSD $TARGET_OSES_TO_BUILD" ;;
+            OpenBSD)   TARGET_OSES_TO_BUILD="OpenBSD $TARGET_OSES_TO_BUILD" ;;
+            Psp)       TARGET_OSES_TO_BUILD="Psp $TARGET_OSES_TO_BUILD" ;;
+            Solaris)   TARGET_OSES_TO_BUILD="Solaris $TARGET_OSES_TO_BUILD" ;;
+            Win32)     TARGET_OSES_TO_BUILD="Win32 $TARGET_OSES_TO_BUILD" ;;
+            Haiku)     TARGET_OSES_TO_BUILD="Haiku $TARGET_OSES_TO_BUILD" ;;
+            Minix)     TARGET_OSES_TO_BUILD="Minix $TARGET_OSES_TO_BUILD" ;;
+            RTEMS)     TARGET_OSES_TO_BUILD="RTEMS $TARGET_OSES_TO_BUILD" ;;
+            NativeClient)
+             TARGET_OSES_TO_BUILD="NativeClient $TARGET_OSES_TO_BUILD" ;;
+            *) { { echo "$as_me:$LINENO: error: Unrecognized target/host os $llvm_cv_os_type" >&5
+echo "$as_me: error: Unrecognized target/host os $llvm_cv_os_type" >&2;}
+   { (exit 1); exit 1; }; } ;;
+          esac
+          ;;
+        *) { { echo "$as_me:$LINENO: error: Unrecognized target os $a_target" >&5
+echo "$as_me: error: Unrecognized target os $a_target" >&2;}
+   { (exit 1); exit 1; }; } ;;
+      esac
+    done
+  ;;
+esac
+TARGET_OSES_TO_BUILD=$TARGET_OSES_TO_BUILD
+
+
+TARGET_ENVS_TO_BUILD=""
+# Check whether --enable-target-envs was given.
+if test "${enable_target_envs+set}" = set; then
+  enableval=$enable_target_envs;
+else
+  enableval=all
+fi
+
+case "$enableval" in
+  all)
+    TARGET_ENVS_TO_BUILD="eabi gnueabi gnu macho" ;;
+  *)
+    for a_target in `echo $enableval | sed -e 's/,/ /g' ` ; do
+      case "$a_target" in
+        eabi)    TARGET_ENVS_TO_BUILD="eabi $TARGET_ENVS_TO_BUILD" ;;
+        gnueabi) TARGET_ENVS_TO_BUILD="gnueabi $TARGET_ENVS_TO_BUILD" ;;
+        gnu)     TARGET_ENVS_TO_BUILD="gnu $TARGET_ENVS_TO_BUILD" ;;
+        macho)   TARGET_ENVS_TO_BUILD="macho $TARGET_ENVS_TO_BUILD" ;;
+        *) { { echo "$as_me:$LINENO: error: Unrecognized target environment $a_target" >&5
+echo "$as_me: error: Unrecognized target environment $a_target" >&2;}
+   { (exit 1); exit 1; }; } ;;
+      esac
+    done
+  ;;
+esac
+TARGET_ENVS_TO_BUILD=$TARGET_ENVS_TO_BUILD
+
+
 # Check whether --enable-cbe-printf-a was given.
 if test "${enable_cbe_printf_a+set}" = set; then
   enableval=$enable_cbe_printf_a;
 else
   enableval=default
 fi
 
 case "$enableval" in
   yes) ENABLE_CBE_PRINTF_A=1
  ;;
@@ skipping 6412 matching lines @@
 else
   libltdl_cv_need_uscore=unknown
           save_LIBS="$LIBS"
           LIBS="$LIBS $LIBADD_DL"
           if test "$cross_compiling" = yes; then :
   libltdl_cv_need_uscore=cross
 else
   lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
   lt_status=$lt_dlunknown
   cat > conftest.$ac_ext <<EOF
-#line 11617 "configure"
+#line 11732 "configure"
 #include "confdefs.h"
 
 #if HAVE_DLFCN_H
 #include <dlfcn.h>
 #endif
 
 #include <stdio.h>
 
 #ifdef RTLD_GLOBAL
 #  define LT_DLGLOBAL           RTLD_GLOBAL
@@ skipping 11829 matching lines @@
 cat >>$CONFIG_STATUS <<_ACEOF
 CEOF$ac_eof
 _ACEOF
 
 
 ac_delim='%!_!# '
 for ac_last_try in false false false false false :; do
   cat >conf$$subs.sed <<_ACEOF
 LLVM_ENUM_ASM_PARSERS!$LLVM_ENUM_ASM_PARSERS$ac_delim
 LLVM_ENUM_DISASSEMBLERS!$LLVM_ENUM_DISASSEMBLERS$ac_delim
+TARGET_OSES_TO_BUILD!$TARGET_OSES_TO_BUILD$ac_delim
+TARGET_ENVS_TO_BUILD!$TARGET_ENVS_TO_BUILD$ac_delim
 ENABLE_CBE_PRINTF_A!$ENABLE_CBE_PRINTF_A$ac_delim
 CLANGPATH!$CLANGPATH$ac_delim
 CLANGXXPATH!$CLANGXXPATH$ac_delim
 ENABLE_BUILT_CLANG!$ENABLE_BUILT_CLANG$ac_delim
 OPTIMIZE_OPTION!$OPTIMIZE_OPTION$ac_delim
 EXTRA_OPTIONS!$EXTRA_OPTIONS$ac_delim
 EXTRA_LD_OPTIONS!$EXTRA_LD_OPTIONS$ac_delim
 BINUTILS_INCDIR!$BINUTILS_INCDIR$ac_delim
 CXX!$CXX$ac_delim
 CXXFLAGS!$CXXFLAGS$ac_delim
@@ skipping 73 matching lines @@
 LLVM_PREFIX!$LLVM_PREFIX$ac_delim
 LLVM_BINDIR!$LLVM_BINDIR$ac_delim
 LLVM_LIBDIR!$LLVM_LIBDIR$ac_delim
 LLVM_DATADIR!$LLVM_DATADIR$ac_delim
 LLVM_DOCSDIR!$LLVM_DOCSDIR$ac_delim
 LLVM_ETCDIR!$LLVM_ETCDIR$ac_delim
 LLVM_INCLUDEDIR!$LLVM_INCLUDEDIR$ac_delim
 LLVM_INFODIR!$LLVM_INFODIR$ac_delim
 LLVM_MANDIR!$LLVM_MANDIR$ac_delim
 LLVM_CONFIGTIME!$LLVM_CONFIGTIME$ac_delim
-BINDINGS_TO_BUILD!$BINDINGS_TO_BUILD$ac_delim
-ALL_BINDINGS!$ALL_BINDINGS$ac_delim
 _ACEOF
 
   if test `sed -n "s/.*$ac_delim\$/X/p" conf$$subs.sed | grep -c X` = 97; then
     break
   elif $ac_last_try; then
     { { echo "$as_me:$LINENO: error: could not make $CONFIG_STATUS" >&5
 echo "$as_me: error: could not make $CONFIG_STATUS" >&2;}
    { (exit 1); exit 1; }; }
   else
     ac_delim="$ac_delim!$ac_delim _$ac_delim!! "
@@ skipping 21 matching lines @@
 ' >>$CONFIG_STATUS <conf$$subs.sed
 rm -f conf$$subs.sed
 cat >>$CONFIG_STATUS <<_ACEOF
 CEOF$ac_eof
 _ACEOF
 
 
 ac_delim='%!_!# '
 for ac_last_try in false false false false false :; do
   cat >conf$$subs.sed <<_ACEOF
+BINDINGS_TO_BUILD!$BINDINGS_TO_BUILD$ac_delim
+ALL_BINDINGS!$ALL_BINDINGS$ac_delim
 OCAML_LIBDIR!$OCAML_LIBDIR$ac_delim
 ENABLE_VISIBILITY_INLINES_HIDDEN!$ENABLE_VISIBILITY_INLINES_HIDDEN$ac_delim
 RPATH!$RPATH$ac_delim
 RDYNAMIC!$RDYNAMIC$ac_delim
 LIBOBJS!$LIBOBJS$ac_delim
 LTLIBOBJS!$LTLIBOBJS$ac_delim
 _ACEOF
 
-  if test `sed -n "s/.*$ac_delim\$/X/p" conf$$subs.sed | grep -c X` = 6; then
+  if test `sed -n "s/.*$ac_delim\$/X/p" conf$$subs.sed | grep -c X` = 8; then
     break
   elif $ac_last_try; then
     { { echo "$as_me:$LINENO: error: could not make $CONFIG_STATUS" >&5
 echo "$as_me: error: could not make $CONFIG_STATUS" >&2;}
    { (exit 1); exit 1; }; }
   else
     ac_delim="$ac_delim!$ac_delim _$ac_delim!! "
   fi
 done
 
@@ skipping 615 matching lines @@
            --cache-file=\"\$ac_sub_cache_file\" --srcdir=\"\$ac_srcdir\"" ||
         { { echo "$as_me:$LINENO: error: $ac_sub_configure failed for $ac_dir" >&5
 echo "$as_me: error: $ac_sub_configure failed for $ac_dir" >&2;}
    { (exit 1); exit 1; }; }
     fi
 
     cd "$ac_popdir"
   done
 fi