bug 676584 - allow compiling NSPR for arm-darwin. r=wtc
authorted.mielczarek%gmail.com
Thu, 18 Aug 2011 11:55:28 +0000
changeset 4348 7eb0e6061653b463aa4659f19ec85fa634f6b62b
parent 4347 8b7630e31292b37eb865d6d8792e520e4188f75e
child 4349 6f66314d62ff57d1d7d49310256925aceb9832b6
push idunknown
push userunknown
push dateunknown
reviewerswtc
bugs676584
bug 676584 - allow compiling NSPR for arm-darwin. r=wtc
configure
configure.in
pr/include/md/_darwin.h
pr/src/md/unix/uxproces.c
--- a/configure
+++ b/configure
@@ -1388,28 +1388,34 @@ rm -f conftest*
 
     CC=$_SAVE_CC
     CFLAGS=$_SAVE_CFLAGS
     LDFLAGS=$_SAVE_LDFLAGS
 
     case "$build:$target" in 
       powerpc-apple-darwin8*:i?86-apple-darwin*)
                                                 _SAVE_CFLAGS=$CFLAGS 
-        _SAVE_CXXFLAGS=$CXXLAGS
+        _SAVE_CXXFLAGS=$CXXFLAGS
         CFLAGS="-isysroot /Developer/SDKs/MacOSX10.4u.sdk $CFLAGS"
         CXXFLAGS="-isysroot /Developer/SDKs/MacOSX10.4u.sdk $CXXFLAGS"
-        ;;        
-    esac            
+        ;;
+      *:arm*-apple-darwin*)
+                                _SAVE_CFLAGS=$CFLAGS
+        _SAVE_CXXFLAGS=$CXXFLAGS
+        CFLAGS="-isysroot $MACOS_SDK_DIR $CFLAGS"
+        CXXFLAGS="-isysroot $MACOS_SDK_DIR $CXXFLAGS"
+        ;;
+    esac
 
     for ac_prog in $CC "${target_alias}-gcc" "${target}-gcc"
 do
 # Extract the first word of "$ac_prog", so it can be a program name with args.
 set dummy $ac_prog; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:1408: checking for $ac_word" >&5
+echo "configure:1414: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_CC'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   if test -n "$CC"; then
   ac_cv_prog_CC="$CC" # Let the user override the test.
 else
   IFS="${IFS= 	}"; ac_save_ifs="$IFS"; IFS=":"
   ac_dummy="$PATH"
@@ -1433,17 +1439,17 @@ fi
 test -n "$CC" && break
 done
 test -n "$CC" || CC="echo"
 
     unset ac_cv_prog_CC
     # Extract the first word of "gcc", so it can be a program name with args.
 set dummy gcc; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:1442: checking for $ac_word" >&5
+echo "configure:1448: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_CC'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   if test -n "$CC"; then
   ac_cv_prog_CC="$CC" # Let the user override the test.
 else
   IFS="${IFS= 	}"; ac_save_ifs="$IFS"; IFS=":"
   ac_dummy="$PATH"
@@ -1463,17 +1469,17 @@ if test -n "$CC"; then
 else
   echo "$ac_t""no" 1>&6
 fi
 
 if test -z "$CC"; then
   # Extract the first word of "cc", so it can be a program name with args.
 set dummy cc; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:1472: checking for $ac_word" >&5
+echo "configure:1478: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_CC'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   if test -n "$CC"; then
   ac_cv_prog_CC="$CC" # Let the user override the test.
 else
   IFS="${IFS= 	}"; ac_save_ifs="$IFS"; IFS=":"
   ac_prog_rejected=no
@@ -1514,17 +1520,17 @@ else
 fi
 
   if test -z "$CC"; then
     case "`uname -s`" in
     *win32* | *WIN32*)
       # Extract the first word of "cl", so it can be a program name with args.
 set dummy cl; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:1523: checking for $ac_word" >&5
+echo "configure:1529: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_CC'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   if test -n "$CC"; then
   ac_cv_prog_CC="$CC" # Let the user override the test.
 else
   IFS="${IFS= 	}"; ac_save_ifs="$IFS"; IFS=":"
   ac_dummy="$PATH"
@@ -1546,33 +1552,33 @@ else
 fi
  ;;
     esac
   fi
   test -z "$CC" && { echo "configure: error: no acceptable cc found in \$PATH" 1>&2; exit 1; }
 fi
 
 echo $ac_n "checking whether the C compiler ($CC $CFLAGS $LDFLAGS) works""... $ac_c" 1>&6
-echo "configure:1555: checking whether the C compiler ($CC $CFLAGS $LDFLAGS) works" >&5
+echo "configure:1561: checking whether the C compiler ($CC $CFLAGS $LDFLAGS) works" >&5
 
 ac_ext=c
 # CFLAGS is not in ac_cpp because -g, -O, etc. are not valid cpp options.
 ac_cpp='$CPP $CPPFLAGS'
 ac_compile='${CC-cc} -c $CFLAGS $CPPFLAGS conftest.$ac_ext 1>&5'
 ac_link='${CC-cc} -o conftest${ac_exeext} $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS 1>&5'
 cross_compiling=$ac_cv_prog_cc_cross
 
 cat > conftest.$ac_ext << EOF
 
-#line 1566 "configure"
+#line 1572 "configure"
 #include "confdefs.h"
 
 main(){return(0);}
 EOF
-if { (eval echo configure:1571: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:1577: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   ac_cv_prog_cc_works=yes
   # If we can't run a trivial program, we are probably using a cross compiler.
   if (./conftest; exit) 2>/dev/null; then
     ac_cv_prog_cc_cross=no
   else
     ac_cv_prog_cc_cross=yes
   fi
 else
@@ -1588,31 +1594,31 @@ ac_compile='${CC-cc} -c $CFLAGS $CPPFLAG
 ac_link='${CC-cc} -o conftest${ac_exeext} $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS 1>&5'
 cross_compiling=$ac_cv_prog_cc_cross
 
 echo "$ac_t""$ac_cv_prog_cc_works" 1>&6
 if test $ac_cv_prog_cc_works = no; then
   { echo "configure: error: installation or configuration problem: C compiler cannot create executables." 1>&2; exit 1; }
 fi
 echo $ac_n "checking whether the C compiler ($CC $CFLAGS $LDFLAGS) is a cross-compiler""... $ac_c" 1>&6
-echo "configure:1597: checking whether the C compiler ($CC $CFLAGS $LDFLAGS) is a cross-compiler" >&5
+echo "configure:1603: checking whether the C compiler ($CC $CFLAGS $LDFLAGS) is a cross-compiler" >&5
 echo "$ac_t""$ac_cv_prog_cc_cross" 1>&6
 cross_compiling=$ac_cv_prog_cc_cross
 
 echo $ac_n "checking whether we are using GNU C""... $ac_c" 1>&6
-echo "configure:1602: checking whether we are using GNU C" >&5
+echo "configure:1608: checking whether we are using GNU C" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_gcc'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.c <<EOF
 #ifdef __GNUC__
   yes;
 #endif
 EOF
-if { ac_try='${CC-cc} -E conftest.c'; { (eval echo configure:1611: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; } | egrep yes >/dev/null 2>&1; then
+if { ac_try='${CC-cc} -E conftest.c'; { (eval echo configure:1617: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; } | egrep yes >/dev/null 2>&1; then
   ac_cv_prog_gcc=yes
 else
   ac_cv_prog_gcc=no
 fi
 fi
 
 echo "$ac_t""$ac_cv_prog_gcc" 1>&6
 
@@ -1621,17 +1627,17 @@ if test $ac_cv_prog_gcc = yes; then
 else
   GCC=
 fi
 
 ac_test_CFLAGS="${CFLAGS+set}"
 ac_save_CFLAGS="$CFLAGS"
 CFLAGS=
 echo $ac_n "checking whether ${CC-cc} accepts -g""... $ac_c" 1>&6
-echo "configure:1630: checking whether ${CC-cc} accepts -g" >&5
+echo "configure:1636: checking whether ${CC-cc} accepts -g" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_cc_g'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   echo 'void f(){}' > conftest.c
 if test -z "`${CC-cc} -g -c conftest.c 2>&1`"; then
   ac_cv_prog_cc_g=yes
 else
   ac_cv_prog_cc_g=no
@@ -1658,17 +1664,17 @@ else
 fi
 
     if test -n "$USE_CPLUS"; then
         for ac_prog in $CXX "${target_alias}-g++" "${target}-g++"
 do
 # Extract the first word of "$ac_prog", so it can be a program name with args.
 set dummy $ac_prog; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:1667: checking for $ac_word" >&5
+echo "configure:1673: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_CXX'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   if test -n "$CXX"; then
   ac_cv_prog_CXX="$CXX" # Let the user override the test.
 else
   IFS="${IFS= 	}"; ac_save_ifs="$IFS"; IFS=":"
   ac_dummy="$PATH"
@@ -1694,17 +1700,17 @@ done
 test -n "$CXX" || CXX="echo"
 
         unset ac_cv_prog_CXX
         for ac_prog in $CCC c++ g++ gcc CC cxx cc++ cl
 do
 # Extract the first word of "$ac_prog", so it can be a program name with args.
 set dummy $ac_prog; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:1703: checking for $ac_word" >&5
+echo "configure:1709: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_CXX'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   if test -n "$CXX"; then
   ac_cv_prog_CXX="$CXX" # Let the user override the test.
 else
   IFS="${IFS= 	}"; ac_save_ifs="$IFS"; IFS=":"
   ac_dummy="$PATH"
@@ -1726,33 +1732,33 @@ else
 fi
 
 test -n "$CXX" && break
 done
 test -n "$CXX" || CXX="gcc"
 
 
 echo $ac_n "checking whether the C++ compiler ($CXX $CXXFLAGS $LDFLAGS) works""... $ac_c" 1>&6
-echo "configure:1735: checking whether the C++ compiler ($CXX $CXXFLAGS $LDFLAGS) works" >&5
+echo "configure:1741: checking whether the C++ compiler ($CXX $CXXFLAGS $LDFLAGS) works" >&5
 
 ac_ext=C
 # CXXFLAGS is not in ac_cpp because -g, -O, etc. are not valid cpp options.
 ac_cpp='$CXXCPP $CPPFLAGS'
 ac_compile='${CXX-g++} -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext 1>&5'
 ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS 1>&5'
 cross_compiling=$ac_cv_prog_cxx_cross
 
 cat > conftest.$ac_ext << EOF
 
-#line 1746 "configure"
+#line 1752 "configure"
 #include "confdefs.h"
 
 int main(){return(0);}
 EOF
-if { (eval echo configure:1751: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:1757: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   ac_cv_prog_cxx_works=yes
   # If we can't run a trivial program, we are probably using a cross compiler.
   if (./conftest; exit) 2>/dev/null; then
     ac_cv_prog_cxx_cross=no
   else
     ac_cv_prog_cxx_cross=yes
   fi
 else
@@ -1768,31 +1774,31 @@ ac_compile='${CC-cc} -c $CFLAGS $CPPFLAG
 ac_link='${CC-cc} -o conftest${ac_exeext} $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS 1>&5'
 cross_compiling=$ac_cv_prog_cc_cross
 
 echo "$ac_t""$ac_cv_prog_cxx_works" 1>&6
 if test $ac_cv_prog_cxx_works = no; then
   { echo "configure: error: installation or configuration problem: C++ compiler cannot create executables." 1>&2; exit 1; }
 fi
 echo $ac_n "checking whether the C++ compiler ($CXX $CXXFLAGS $LDFLAGS) is a cross-compiler""... $ac_c" 1>&6
-echo "configure:1777: checking whether the C++ compiler ($CXX $CXXFLAGS $LDFLAGS) is a cross-compiler" >&5
+echo "configure:1783: checking whether the C++ compiler ($CXX $CXXFLAGS $LDFLAGS) is a cross-compiler" >&5
 echo "$ac_t""$ac_cv_prog_cxx_cross" 1>&6
 cross_compiling=$ac_cv_prog_cxx_cross
 
 echo $ac_n "checking whether we are using GNU C++""... $ac_c" 1>&6
-echo "configure:1782: checking whether we are using GNU C++" >&5
+echo "configure:1788: checking whether we are using GNU C++" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_gxx'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.C <<EOF
 #ifdef __GNUC__
   yes;
 #endif
 EOF
-if { ac_try='${CXX-g++} -E conftest.C'; { (eval echo configure:1791: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; } | egrep yes >/dev/null 2>&1; then
+if { ac_try='${CXX-g++} -E conftest.C'; { (eval echo configure:1797: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; } | egrep yes >/dev/null 2>&1; then
   ac_cv_prog_gxx=yes
 else
   ac_cv_prog_gxx=no
 fi
 fi
 
 echo "$ac_t""$ac_cv_prog_gxx" 1>&6
 
@@ -1801,17 +1807,17 @@ if test $ac_cv_prog_gxx = yes; then
 else
   GXX=
 fi
 
 ac_test_CXXFLAGS="${CXXFLAGS+set}"
 ac_save_CXXFLAGS="$CXXFLAGS"
 CXXFLAGS=
 echo $ac_n "checking whether ${CXX-g++} accepts -g""... $ac_c" 1>&6
-echo "configure:1810: checking whether ${CXX-g++} accepts -g" >&5
+echo "configure:1816: checking whether ${CXX-g++} accepts -g" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_cxx_g'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   echo 'void f(){}' > conftest.cc
 if test -z "`${CXX-g++} -g -c conftest.cc 2>&1`"; then
   ac_cv_prog_cxx_g=yes
 else
   ac_cv_prog_cxx_g=no
@@ -1835,28 +1841,28 @@ else
   else
     CXXFLAGS=
   fi
 fi
 
     fi
 
     case "$build:$target" in
-      powerpc-apple-darwin8*:i?86-apple-darwin*)
+      powerpc-apple-darwin8*:i?86-apple-darwin*|*:arm*-apple-darwin*)
                                 CFLAGS=$_SAVE_CFLAGS
         CXXFLAGS=$_SAVE_CXXFLAGS
         ;;
     esac
 
     for ac_prog in $RANLIB "${target_alias}-ranlib" "${target}-ranlib"
 do
 # Extract the first word of "$ac_prog", so it can be a program name with args.
 set dummy $ac_prog; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:1855: checking for $ac_word" >&5
+echo "configure:1861: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_RANLIB'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   if test -n "$RANLIB"; then
   ac_cv_prog_RANLIB="$RANLIB" # Let the user override the test.
 else
   IFS="${IFS= 	}"; ac_save_ifs="$IFS"; IFS=":"
   ac_dummy="$PATH"
@@ -1881,17 +1887,17 @@ test -n "$RANLIB" && break
 done
 test -n "$RANLIB" || RANLIB="echo"
 
     for ac_prog in $AR "${target_alias}-ar" "${target}-ar"
 do
 # Extract the first word of "$ac_prog", so it can be a program name with args.
 set dummy $ac_prog; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:1890: checking for $ac_word" >&5
+echo "configure:1896: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_AR'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   if test -n "$AR"; then
   ac_cv_prog_AR="$AR" # Let the user override the test.
 else
   IFS="${IFS= 	}"; ac_save_ifs="$IFS"; IFS=":"
   ac_dummy="$PATH"
@@ -1916,17 +1922,17 @@ test -n "$AR" && break
 done
 test -n "$AR" || AR="echo"
 
     for ac_prog in $AS "${target_alias}-as" "${target}-as"
 do
 # Extract the first word of "$ac_prog", so it can be a program name with args.
 set dummy $ac_prog; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:1925: checking for $ac_word" >&5
+echo "configure:1931: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_AS'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   if test -n "$AS"; then
   ac_cv_prog_AS="$AS" # Let the user override the test.
 else
   IFS="${IFS= 	}"; ac_save_ifs="$IFS"; IFS=":"
   ac_dummy="$PATH"
@@ -1951,17 +1957,17 @@ test -n "$AS" && break
 done
 test -n "$AS" || AS="echo"
 
     for ac_prog in $LD "${target_alias}-ld" "${target}-ld"
 do
 # Extract the first word of "$ac_prog", so it can be a program name with args.
 set dummy $ac_prog; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:1960: checking for $ac_word" >&5
+echo "configure:1966: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_LD'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   if test -n "$LD"; then
   ac_cv_prog_LD="$LD" # Let the user override the test.
 else
   IFS="${IFS= 	}"; ac_save_ifs="$IFS"; IFS=":"
   ac_dummy="$PATH"
@@ -1986,17 +1992,17 @@ test -n "$LD" && break
 done
 test -n "$LD" || LD="echo"
 
     for ac_prog in $STRIP "${target_alias}-strip" "${target}-strip"
 do
 # Extract the first word of "$ac_prog", so it can be a program name with args.
 set dummy $ac_prog; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:1995: checking for $ac_word" >&5
+echo "configure:2001: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_STRIP'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   if test -n "$STRIP"; then
   ac_cv_prog_STRIP="$STRIP" # Let the user override the test.
 else
   IFS="${IFS= 	}"; ac_save_ifs="$IFS"; IFS=":"
   ac_dummy="$PATH"
@@ -2021,17 +2027,17 @@ test -n "$STRIP" && break
 done
 test -n "$STRIP" || STRIP="echo"
 
     for ac_prog in $WINDRES "${target_alias}-windres" "${target}-windres"
 do
 # Extract the first word of "$ac_prog", so it can be a program name with args.
 set dummy $ac_prog; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:2030: checking for $ac_word" >&5
+echo "configure:2036: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_WINDRES'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   if test -n "$WINDRES"; then
   ac_cv_prog_WINDRES="$WINDRES" # Let the user override the test.
 else
   IFS="${IFS= 	}"; ac_save_ifs="$IFS"; IFS=":"
   ac_dummy="$PATH"
@@ -2056,17 +2062,17 @@ test -n "$WINDRES" && break
 done
 test -n "$WINDRES" || WINDRES="echo"
 
 
 else
     # Extract the first word of "gcc", so it can be a program name with args.
 set dummy gcc; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:2065: checking for $ac_word" >&5
+echo "configure:2071: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_CC'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   if test -n "$CC"; then
   ac_cv_prog_CC="$CC" # Let the user override the test.
 else
   IFS="${IFS= 	}"; ac_save_ifs="$IFS"; IFS=":"
   ac_dummy="$PATH"
@@ -2086,17 +2092,17 @@ if test -n "$CC"; then
 else
   echo "$ac_t""no" 1>&6
 fi
 
 if test -z "$CC"; then
   # Extract the first word of "cc", so it can be a program name with args.
 set dummy cc; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:2095: checking for $ac_word" >&5
+echo "configure:2101: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_CC'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   if test -n "$CC"; then
   ac_cv_prog_CC="$CC" # Let the user override the test.
 else
   IFS="${IFS= 	}"; ac_save_ifs="$IFS"; IFS=":"
   ac_prog_rejected=no
@@ -2137,17 +2143,17 @@ else
 fi
 
   if test -z "$CC"; then
     case "`uname -s`" in
     *win32* | *WIN32*)
       # Extract the first word of "cl", so it can be a program name with args.
 set dummy cl; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:2146: checking for $ac_word" >&5
+echo "configure:2152: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_CC'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   if test -n "$CC"; then
   ac_cv_prog_CC="$CC" # Let the user override the test.
 else
   IFS="${IFS= 	}"; ac_save_ifs="$IFS"; IFS=":"
   ac_dummy="$PATH"
@@ -2169,33 +2175,33 @@ else
 fi
  ;;
     esac
   fi
   test -z "$CC" && { echo "configure: error: no acceptable cc found in \$PATH" 1>&2; exit 1; }
 fi
 
 echo $ac_n "checking whether the C compiler ($CC $CFLAGS $LDFLAGS) works""... $ac_c" 1>&6
-echo "configure:2178: checking whether the C compiler ($CC $CFLAGS $LDFLAGS) works" >&5
+echo "configure:2184: checking whether the C compiler ($CC $CFLAGS $LDFLAGS) works" >&5
 
 ac_ext=c
 # CFLAGS is not in ac_cpp because -g, -O, etc. are not valid cpp options.
 ac_cpp='$CPP $CPPFLAGS'
 ac_compile='${CC-cc} -c $CFLAGS $CPPFLAGS conftest.$ac_ext 1>&5'
 ac_link='${CC-cc} -o conftest${ac_exeext} $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS 1>&5'
 cross_compiling=$ac_cv_prog_cc_cross
 
 cat > conftest.$ac_ext << EOF
 
-#line 2189 "configure"
+#line 2195 "configure"
 #include "confdefs.h"
 
 main(){return(0);}
 EOF
-if { (eval echo configure:2194: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:2200: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   ac_cv_prog_cc_works=yes
   # If we can't run a trivial program, we are probably using a cross compiler.
   if (./conftest; exit) 2>/dev/null; then
     ac_cv_prog_cc_cross=no
   else
     ac_cv_prog_cc_cross=yes
   fi
 else
@@ -2211,31 +2217,31 @@ ac_compile='${CC-cc} -c $CFLAGS $CPPFLAG
 ac_link='${CC-cc} -o conftest${ac_exeext} $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS 1>&5'
 cross_compiling=$ac_cv_prog_cc_cross
 
 echo "$ac_t""$ac_cv_prog_cc_works" 1>&6
 if test $ac_cv_prog_cc_works = no; then
   { echo "configure: error: installation or configuration problem: C compiler cannot create executables." 1>&2; exit 1; }
 fi
 echo $ac_n "checking whether the C compiler ($CC $CFLAGS $LDFLAGS) is a cross-compiler""... $ac_c" 1>&6
-echo "configure:2220: checking whether the C compiler ($CC $CFLAGS $LDFLAGS) is a cross-compiler" >&5
+echo "configure:2226: checking whether the C compiler ($CC $CFLAGS $LDFLAGS) is a cross-compiler" >&5
 echo "$ac_t""$ac_cv_prog_cc_cross" 1>&6
 cross_compiling=$ac_cv_prog_cc_cross
 
 echo $ac_n "checking whether we are using GNU C""... $ac_c" 1>&6
-echo "configure:2225: checking whether we are using GNU C" >&5
+echo "configure:2231: checking whether we are using GNU C" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_gcc'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.c <<EOF
 #ifdef __GNUC__
   yes;
 #endif
 EOF
-if { ac_try='${CC-cc} -E conftest.c'; { (eval echo configure:2234: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; } | egrep yes >/dev/null 2>&1; then
+if { ac_try='${CC-cc} -E conftest.c'; { (eval echo configure:2240: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; } | egrep yes >/dev/null 2>&1; then
   ac_cv_prog_gcc=yes
 else
   ac_cv_prog_gcc=no
 fi
 fi
 
 echo "$ac_t""$ac_cv_prog_gcc" 1>&6
 
@@ -2244,17 +2250,17 @@ if test $ac_cv_prog_gcc = yes; then
 else
   GCC=
 fi
 
 ac_test_CFLAGS="${CFLAGS+set}"
 ac_save_CFLAGS="$CFLAGS"
 CFLAGS=
 echo $ac_n "checking whether ${CC-cc} accepts -g""... $ac_c" 1>&6
-echo "configure:2253: checking whether ${CC-cc} accepts -g" >&5
+echo "configure:2259: checking whether ${CC-cc} accepts -g" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_cc_g'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   echo 'void f(){}' > conftest.c
 if test -z "`${CC-cc} -g -c conftest.c 2>&1`"; then
   ac_cv_prog_cc_g=yes
 else
   ac_cv_prog_cc_g=no
@@ -2284,17 +2290,17 @@ fi
         if test "$CC" = "cl" -a -z "$CXX"; then
             CXX=$CC
         else        
             for ac_prog in $CCC c++ g++ gcc CC cxx cc++ cl
 do
 # Extract the first word of "$ac_prog", so it can be a program name with args.
 set dummy $ac_prog; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:2293: checking for $ac_word" >&5
+echo "configure:2299: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_CXX'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   if test -n "$CXX"; then
   ac_cv_prog_CXX="$CXX" # Let the user override the test.
 else
   IFS="${IFS= 	}"; ac_save_ifs="$IFS"; IFS=":"
   ac_dummy="$PATH"
@@ -2316,33 +2322,33 @@ else
 fi
 
 test -n "$CXX" && break
 done
 test -n "$CXX" || CXX="gcc"
 
 
 echo $ac_n "checking whether the C++ compiler ($CXX $CXXFLAGS $LDFLAGS) works""... $ac_c" 1>&6
-echo "configure:2325: checking whether the C++ compiler ($CXX $CXXFLAGS $LDFLAGS) works" >&5
+echo "configure:2331: checking whether the C++ compiler ($CXX $CXXFLAGS $LDFLAGS) works" >&5
 
 ac_ext=C
 # CXXFLAGS is not in ac_cpp because -g, -O, etc. are not valid cpp options.
 ac_cpp='$CXXCPP $CPPFLAGS'
 ac_compile='${CXX-g++} -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext 1>&5'
 ac_link='${CXX-g++} -o conftest${ac_exeext} $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS 1>&5'
 cross_compiling=$ac_cv_prog_cxx_cross
 
 cat > conftest.$ac_ext << EOF
 
-#line 2336 "configure"
+#line 2342 "configure"
 #include "confdefs.h"
 
 int main(){return(0);}
 EOF
-if { (eval echo configure:2341: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:2347: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   ac_cv_prog_cxx_works=yes
   # If we can't run a trivial program, we are probably using a cross compiler.
   if (./conftest; exit) 2>/dev/null; then
     ac_cv_prog_cxx_cross=no
   else
     ac_cv_prog_cxx_cross=yes
   fi
 else
@@ -2358,31 +2364,31 @@ ac_compile='${CC-cc} -c $CFLAGS $CPPFLAG
 ac_link='${CC-cc} -o conftest${ac_exeext} $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS 1>&5'
 cross_compiling=$ac_cv_prog_cc_cross
 
 echo "$ac_t""$ac_cv_prog_cxx_works" 1>&6
 if test $ac_cv_prog_cxx_works = no; then
   { echo "configure: error: installation or configuration problem: C++ compiler cannot create executables." 1>&2; exit 1; }
 fi
 echo $ac_n "checking whether the C++ compiler ($CXX $CXXFLAGS $LDFLAGS) is a cross-compiler""... $ac_c" 1>&6
-echo "configure:2367: checking whether the C++ compiler ($CXX $CXXFLAGS $LDFLAGS) is a cross-compiler" >&5
+echo "configure:2373: checking whether the C++ compiler ($CXX $CXXFLAGS $LDFLAGS) is a cross-compiler" >&5
 echo "$ac_t""$ac_cv_prog_cxx_cross" 1>&6
 cross_compiling=$ac_cv_prog_cxx_cross
 
 echo $ac_n "checking whether we are using GNU C++""... $ac_c" 1>&6
-echo "configure:2372: checking whether we are using GNU C++" >&5
+echo "configure:2378: checking whether we are using GNU C++" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_gxx'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.C <<EOF
 #ifdef __GNUC__
   yes;
 #endif
 EOF
-if { ac_try='${CXX-g++} -E conftest.C'; { (eval echo configure:2381: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; } | egrep yes >/dev/null 2>&1; then
+if { ac_try='${CXX-g++} -E conftest.C'; { (eval echo configure:2387: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; } | egrep yes >/dev/null 2>&1; then
   ac_cv_prog_gxx=yes
 else
   ac_cv_prog_gxx=no
 fi
 fi
 
 echo "$ac_t""$ac_cv_prog_gxx" 1>&6
 
@@ -2391,17 +2397,17 @@ if test $ac_cv_prog_gxx = yes; then
 else
   GXX=
 fi
 
 ac_test_CXXFLAGS="${CXXFLAGS+set}"
 ac_save_CXXFLAGS="$CXXFLAGS"
 CXXFLAGS=
 echo $ac_n "checking whether ${CXX-g++} accepts -g""... $ac_c" 1>&6
-echo "configure:2400: checking whether ${CXX-g++} accepts -g" >&5
+echo "configure:2406: checking whether ${CXX-g++} accepts -g" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_cxx_g'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   echo 'void f(){}' > conftest.cc
 if test -z "`${CXX-g++} -g -c conftest.cc 2>&1`"; then
   ac_cv_prog_cxx_g=yes
 else
   ac_cv_prog_cxx_g=no
@@ -2425,72 +2431,72 @@ else
   else
     CXXFLAGS=
   fi
 fi
 
         fi
     fi
     echo $ac_n "checking how to run the C preprocessor""... $ac_c" 1>&6
-echo "configure:2434: checking how to run the C preprocessor" >&5
+echo "configure:2440: checking how to run the C preprocessor" >&5
 # On Suns, sometimes $CPP names a directory.
 if test -n "$CPP" && test -d "$CPP"; then
   CPP=
 fi
 if test -z "$CPP"; then
 if eval "test \"`echo '$''{'ac_cv_prog_CPP'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
     # This must be in double quotes, not single quotes, because CPP may get
   # substituted into the Makefile and "${CC-cc}" will confuse make.
   CPP="${CC-cc} -E"
   # On the NeXT, cc -E runs the code through the compiler's parser,
   # not just through cpp.
   cat > conftest.$ac_ext <<EOF
-#line 2449 "configure"
+#line 2455 "configure"
 #include "confdefs.h"
 #include <assert.h>
 Syntax Error
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:2455: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:2461: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
 if test -z "$ac_err"; then
   :
 else
   echo "$ac_err" >&5
   echo "configure: failed program was:" >&5
   cat conftest.$ac_ext >&5
   rm -rf conftest*
   CPP="${CC-cc} -E -traditional-cpp"
   cat > conftest.$ac_ext <<EOF
-#line 2466 "configure"
+#line 2472 "configure"
 #include "confdefs.h"
 #include <assert.h>
 Syntax Error
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:2472: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:2478: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
 if test -z "$ac_err"; then
   :
 else
   echo "$ac_err" >&5
   echo "configure: failed program was:" >&5
   cat conftest.$ac_ext >&5
   rm -rf conftest*
   CPP="${CC-cc} -nologo -E"
   cat > conftest.$ac_ext <<EOF
-#line 2483 "configure"
+#line 2489 "configure"
 #include "confdefs.h"
 #include <assert.h>
 Syntax Error
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:2489: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:2495: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
 if test -z "$ac_err"; then
   :
 else
   echo "$ac_err" >&5
   echo "configure: failed program was:" >&5
   cat conftest.$ac_ext >&5
   rm -rf conftest*
@@ -2507,17 +2513,17 @@ fi
 else
   ac_cv_prog_CPP="$CPP"
 fi
 echo "$ac_t""$CPP" 1>&6
 
     # Extract the first word of "ranlib", so it can be a program name with args.
 set dummy ranlib; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:2516: checking for $ac_word" >&5
+echo "configure:2522: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_RANLIB'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   if test -n "$RANLIB"; then
   ac_cv_prog_RANLIB="$RANLIB" # Let the user override the test.
 else
   IFS="${IFS= 	}"; ac_save_ifs="$IFS"; IFS=":"
   ac_dummy="$PATH"
@@ -2539,17 +2545,17 @@ else
   echo "$ac_t""no" 1>&6
 fi
 
     for ac_prog in as
 do
 # Extract the first word of "$ac_prog", so it can be a program name with args.
 set dummy $ac_prog; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:2548: checking for $ac_word" >&5
+echo "configure:2554: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_path_AS'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   case "$AS" in
   /*)
   ac_cv_path_AS="$AS" # Let the user override the test with a path.
   ;;
   ?:/*)			 
@@ -2580,17 +2586,17 @@ test -n "$AS" && break
 done
 test -n "$AS" || AS="$CC"
 
     for ac_prog in ar
 do
 # Extract the first word of "$ac_prog", so it can be a program name with args.
 set dummy $ac_prog; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:2589: checking for $ac_word" >&5
+echo "configure:2595: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_path_AR'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   case "$AR" in
   /*)
   ac_cv_path_AR="$AR" # Let the user override the test with a path.
   ;;
   ?:/*)			 
@@ -2621,17 +2627,17 @@ test -n "$AR" && break
 done
 test -n "$AR" || AR="echo not_ar"
 
     for ac_prog in ld link
 do
 # Extract the first word of "$ac_prog", so it can be a program name with args.
 set dummy $ac_prog; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:2630: checking for $ac_word" >&5
+echo "configure:2636: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_path_LD'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   case "$LD" in
   /*)
   ac_cv_path_LD="$LD" # Let the user override the test with a path.
   ;;
   ?:/*)			 
@@ -2662,17 +2668,17 @@ test -n "$LD" && break
 done
 test -n "$LD" || LD="echo not_ld"
 
     for ac_prog in strip
 do
 # Extract the first word of "$ac_prog", so it can be a program name with args.
 set dummy $ac_prog; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:2671: checking for $ac_word" >&5
+echo "configure:2677: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_path_STRIP'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   case "$STRIP" in
   /*)
   ac_cv_path_STRIP="$STRIP" # Let the user override the test with a path.
   ;;
   ?:/*)			 
@@ -2703,17 +2709,17 @@ test -n "$STRIP" && break
 done
 test -n "$STRIP" || STRIP="echo not_strip"
 
     for ac_prog in windres
 do
 # Extract the first word of "$ac_prog", so it can be a program name with args.
 set dummy $ac_prog; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:2712: checking for $ac_word" >&5
+echo "configure:2718: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_path_WINDRES'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   case "$WINDRES" in
   /*)
   ac_cv_path_WINDRES="$WINDRES" # Let the user override the test with a path.
   ;;
   ?:/*)			 
@@ -2771,39 +2777,39 @@ esac
 
 if test "$cross_compiling"  = "yes"; then
     CROSS_COMPILE=1
 else
     CROSS_COMPILE=
 fi
 
 echo $ac_n "checking for gcc -pipe support""... $ac_c" 1>&6
-echo "configure:2780: checking for gcc -pipe support" >&5
+echo "configure:2786: checking for gcc -pipe support" >&5
 if test -n "$GNU_CC" && test -n "$GNU_CXX" && test -n "$GNU_AS"; then
     echo '#include <stdio.h>' > dummy-hello.c
     echo 'int main() { printf("Hello World\n"); return 0; }' >> dummy-hello.c
     ${CC} -S dummy-hello.c -o dummy-hello.s 2>&5
     cat dummy-hello.s | ${AS} -o dummy-hello.S - 2>&5
     if test $? = 0; then
         _res_as_stdin="yes"
     else
         _res_as_stdin="no"
     fi
     if test "$_res_as_stdin" = "yes"; then
         _SAVE_CFLAGS=$CFLAGS
         CFLAGS="$CFLAGS -pipe"
         cat > conftest.$ac_ext <<EOF
-#line 2795 "configure"
+#line 2801 "configure"
 #include "confdefs.h"
  #include <stdio.h> 
 int main() {
 printf("Hello World\n");
 ; return 0; }
 EOF
-if { (eval echo configure:2802: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:2808: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   _res_gcc_pipe="yes"
 else
   echo "configure: failed program was:" >&5
   cat conftest.$ac_ext >&5
   rm -rf conftest*
   _res_gcc_pipe="no" 
 fi
@@ -2823,26 +2829,26 @@ else
     echo "$ac_t""no" 1>&6
 fi
 
 
 _SAVE_CFLAGS="$CFLAGS"
 CFLAGS="$CFLAGS -fprofile-generate -fprofile-correction"
 
 echo $ac_n "checking whether C compiler supports -fprofile-generate""... $ac_c" 1>&6
-echo "configure:2832: checking whether C compiler supports -fprofile-generate" >&5
+echo "configure:2838: checking whether C compiler supports -fprofile-generate" >&5
 cat > conftest.$ac_ext <<EOF
-#line 2834 "configure"
+#line 2840 "configure"
 #include "confdefs.h"
 
 int main() {
 return 0;
 ; return 0; }
 EOF
-if { (eval echo configure:2841: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:2847: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
    PROFILE_GEN_CFLAGS="-fprofile-generate"
                  result="yes" 
 else
   echo "configure: failed program was:" >&5
   cat conftest.$ac_ext >&5
   rm -rf conftest*
   result="no"
@@ -2855,17 +2861,17 @@ if test $result = "yes"; then
    PROFILE_USE_CFLAGS="-fprofile-use -fprofile-correction -Wcoverage-mismatch"
    PROFILE_USE_LDFLAGS="-fprofile-use"
 fi
 
 CFLAGS="$_SAVE_CFLAGS"
 
 if test "$GNU_CC"; then
     echo $ac_n "checking for visibility(hidden) attribute""... $ac_c" 1>&6
-echo "configure:2864: checking for visibility(hidden) attribute" >&5
+echo "configure:2870: checking for visibility(hidden) attribute" >&5
 if eval "test \"`echo '$''{'ac_cv_visibility_hidden'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.c <<EOF
         int foo __attribute__ ((visibility ("hidden"))) = 1;
 EOF
         ac_cv_visibility_hidden=no
         if ${CC-cc} -Werror -S conftest.c -o conftest.s >/dev/null 2>&1; then
@@ -2879,17 +2885,17 @@ fi
 
 echo "$ac_t""$ac_cv_visibility_hidden" 1>&6
     if test "$ac_cv_visibility_hidden" = "yes"; then
         cat >> confdefs.h <<\EOF
 #define HAVE_VISIBILITY_HIDDEN_ATTRIBUTE 1
 EOF
 
         echo $ac_n "checking for visibility pragma support""... $ac_c" 1>&6
-echo "configure:2888: checking for visibility pragma support" >&5
+echo "configure:2894: checking for visibility pragma support" >&5
 if eval "test \"`echo '$''{'ac_cv_visibility_pragma'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.c <<EOF
 #pragma GCC visibility push(hidden)
             int foo_hidden = 1;
 #pragma GCC visibility push(default)
             int foo_default = 1;
@@ -2932,17 +2938,17 @@ fi # GNU_CC
 fi # SKIP_COMPILER_CHECKS
 
 if test -z "$SKIP_PATH_CHECKS"; then
     for ac_prog in perl5 perl
 do
 # Extract the first word of "$ac_prog", so it can be a program name with args.
 set dummy $ac_prog; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:2941: checking for $ac_word" >&5
+echo "configure:2947: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_path_PERL'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   case "$PERL" in
   /*)
   ac_cv_path_PERL="$PERL" # Let the user override the test with a path.
   ;;
   ?:/*)			 
@@ -3253,24 +3259,24 @@ yes)
 no)
     MOZ_THUMB2=
     thumb_flag="-marm"
     ;;
 *)
     _SAVE_CFLAGS="$CFLAGS"
     CFLAGS="$arch_flag"
     cat > conftest.$ac_ext <<EOF
-#line 3262 "configure"
+#line 3268 "configure"
 #include "confdefs.h"
 
 int main() {
 return sizeof(__thumb2__);
 ; return 0; }
 EOF
-if { (eval echo configure:3269: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:3275: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   MOZ_THUMB2=1
 else
   echo "configure: failed program was:" >&5
   cat conftest.$ac_ext >&5
   rm -rf conftest*
   MOZ_THUMB2=
 fi
@@ -3322,26 +3328,26 @@ no)
     ;;
 esac
 
 all_flags=`echo $arch_flag $thumb_flag $thumb_interwork_flag $fpu_flag $float_abi_flag $soft_float_flag`
 if test -n "$all_flags"; then
     _SAVE_CFLAGS="$CFLAGS"
     CFLAGS="$all_flags"
     echo $ac_n "checking whether the chosen combination of compiler flags ($all_flags) works""... $ac_c" 1>&6
-echo "configure:3331: checking whether the chosen combination of compiler flags ($all_flags) works" >&5
+echo "configure:3337: checking whether the chosen combination of compiler flags ($all_flags) works" >&5
     cat > conftest.$ac_ext <<EOF
-#line 3333 "configure"
+#line 3339 "configure"
 #include "confdefs.h"
 
 int main() {
 return 0;
 ; return 0; }
 EOF
-if { (eval echo configure:3340: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:3346: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   echo "$ac_t""yes" 1>&6
 else
   echo "configure: failed program was:" >&5
   cat conftest.$ac_ext >&5
   rm -rf conftest*
   { echo "configure: error: no" 1>&2; exit 1; }
 fi
@@ -3388,27 +3394,27 @@ EOF
 
     cat >> confdefs.h <<\EOF
 #define SYSV 1
 EOF
 
     DSO_LDOPTS='-brtl -bnortllib -bM:SRE -bnoentry -bexpall -blibpath:/usr/lib:/lib'
     ac_safe=`echo "sys/atomic_op.h" | sed 'y%./+-%__p_%'`
 echo $ac_n "checking for sys/atomic_op.h""... $ac_c" 1>&6
-echo "configure:3397: checking for sys/atomic_op.h" >&5
+echo "configure:3403: checking for sys/atomic_op.h" >&5
 if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 3402 "configure"
+#line 3408 "configure"
 #include "confdefs.h"
 #include <sys/atomic_op.h>
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:3407: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:3413: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
 if test -z "$ac_err"; then
   rm -rf conftest*
   eval "ac_cv_header_$ac_safe=yes"
 else
   echo "$ac_err" >&5
   echo "configure: failed program was:" >&5
   cat conftest.$ac_ext >&5
@@ -3594,36 +3600,36 @@ EOF
     PR_MD_ARCH_DIR=beos
     RESOLVE_LINK_SYMBOLS=1
     case "${target_cpu}" in
     i*86)
         _OPTIMIZE_FLAGS=-O2
         _DEBUG_FLAGS='-gdwarf-2 -O0'
         MKSHLIB='$(CCC) $(DSO_LDOPTS) -o $@'
         echo $ac_n "checking for gethostbyaddr in -lbind""... $ac_c" 1>&6
-echo "configure:3603: checking for gethostbyaddr in -lbind" >&5
+echo "configure:3609: checking for gethostbyaddr in -lbind" >&5
 ac_lib_var=`echo bind'_'gethostbyaddr | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   ac_save_LIBS="$LIBS"
 LIBS="-lbind  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 3611 "configure"
+#line 3617 "configure"
 #include "confdefs.h"
 /* Override any gcc2 internal prototype to avoid an error.  */
 /* We use char because int might match the return type of a gcc2
     builtin and then its argument prototype would still apply.  */
 char gethostbyaddr();
 
 int main() {
 gethostbyaddr()
 ; return 0; }
 EOF
-if { (eval echo configure:3622: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:3628: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_lib_$ac_lib_var=yes"
 else
   echo "configure: failed program was:" >&5
   cat conftest.$ac_ext >&5
   rm -rf conftest*
   eval "ac_cv_lib_$ac_lib_var=no"
 fi
@@ -3800,30 +3806,66 @@ EOF
 
     cat >> confdefs.h <<\EOF
 #define HAVE_SOCKLEN_T 1
 EOF
 
     AS='$(CC) -x assembler-with-cpp'
     CFLAGS="$CFLAGS -Wall -fno-common"
     case "${target_cpu}" in
+        arm*)
+            CPU_ARCH=arm
+            ;;
         i*86*)
             if test -n "$USE_64"; then
                 CPU_ARCH=x86_64
             else        
                 CPU_ARCH=i386
             fi
             ;;
         *)
             CPU_ARCH=ppc
             ;;
     esac
     if test "`echo $CC | grep -c '\-arch '`" = "0"; then
         CC="$CC -arch $CPU_ARCH"
     fi
+    ac_safe=`echo "crt_externs.h" | sed 'y%./+-%__p_%'`
+echo $ac_n "checking for crt_externs.h""... $ac_c" 1>&6
+echo "configure:3834: checking for crt_externs.h" >&5
+if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
+  echo $ac_n "(cached) $ac_c" 1>&6
+else
+  cat > conftest.$ac_ext <<EOF
+#line 3839 "configure"
+#include "confdefs.h"
+#include <crt_externs.h>
+EOF
+ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
+{ (eval echo configure:3844: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
+if test -z "$ac_err"; then
+  rm -rf conftest*
+  eval "ac_cv_header_$ac_safe=yes"
+else
+  echo "$ac_err" >&5
+  echo "configure: failed program was:" >&5
+  cat conftest.$ac_ext >&5
+  rm -rf conftest*
+  eval "ac_cv_header_$ac_safe=no"
+fi
+rm -f conftest*
+fi
+if eval "test \"`echo '$ac_cv_header_'$ac_safe`\" = yes"; then
+  echo "$ac_t""yes" 1>&6
+  :
+else
+  echo "$ac_t""no" 1>&6
+fi
+
     DSO_CFLAGS=-fPIC
     DSO_LDOPTS='-dynamiclib -compatibility_version 1 -current_version 1 -all_load -install_name @executable_path/$@ -headerpad_max_install_names'
     _OPTIMIZE_FLAGS=-O2
     MKSHLIB='$(CC) $(DSO_LDOPTS) -o $@'
     STRIP="$STRIP -x -S"
     DLL_SUFFIX=dylib
     USE_PTHREADS=1
     MDCPUCFG_H=_darwin.cfg
@@ -4967,27 +5009,27 @@ EOF
     if test -z "$GNU_CC"; then
         CC="$CC -std1 -ieee_with_inexact"
         if test "$OS_RELEASE" != "V2.0"; then
             CC="$CC -readonly_strings"
         fi
         _OPTIMIZE_FLAGS="$_OPTIMIZE_FLAGS -Olimit 4000"
         ac_safe=`echo "machine/builtins.h" | sed 'y%./+-%__p_%'`
 echo $ac_n "checking for machine/builtins.h""... $ac_c" 1>&6
-echo "configure:4976: checking for machine/builtins.h" >&5
+echo "configure:5018: checking for machine/builtins.h" >&5
 if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 4981 "configure"
+#line 5023 "configure"
 #include "confdefs.h"
 #include <machine/builtins.h>
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:4986: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:5028: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
 if test -z "$ac_err"; then
   rm -rf conftest*
   eval "ac_cv_header_$ac_safe=yes"
 else
   echo "$ac_err" >&5
   echo "configure: failed program was:" >&5
   cat conftest.$ac_ext >&5
@@ -5626,63 +5668,63 @@ if test -z "$SKIP_LIBRARY_CHECKS"; then
 
 
 
 case $target in
 *-darwin*|*-beos*|*-os2*)
     ;;
 *)
     echo $ac_n "checking for dlopen in -ldl""... $ac_c" 1>&6
-echo "configure:5635: checking for dlopen in -ldl" >&5
+echo "configure:5677: checking for dlopen in -ldl" >&5
 ac_lib_var=`echo dl'_'dlopen | sed 'y%./+-%__p_%'`
 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   ac_save_LIBS="$LIBS"
 LIBS="-ldl  $LIBS"
 cat > conftest.$ac_ext <<EOF
-#line 5643 "configure"
+#line 5685 "configure"
 #include "confdefs.h"
 /* Override any gcc2 internal prototype to avoid an error.  */
 /* We use char because int might match the return type of a gcc2
     builtin and then its argument prototype would still apply.  */
 char dlopen();
 
 int main() {
 dlopen()
 ; return 0; }
 EOF
-if { (eval echo configure:5654: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:5696: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_lib_$ac_lib_var=yes"
 else
   echo "configure: failed program was:" >&5
   cat conftest.$ac_ext >&5
   rm -rf conftest*
   eval "ac_cv_lib_$ac_lib_var=no"
 fi
 rm -f conftest*
 LIBS="$ac_save_LIBS"
 
 fi
 if eval "test \"`echo '$ac_cv_lib_'$ac_lib_var`\" = yes"; then
   echo "$ac_t""yes" 1>&6
   ac_safe=`echo "dlfcn.h" | sed 'y%./+-%__p_%'`
 echo $ac_n "checking for dlfcn.h""... $ac_c" 1>&6
-echo "configure:5671: checking for dlfcn.h" >&5
+echo "configure:5713: checking for dlfcn.h" >&5
 if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 5676 "configure"
+#line 5718 "configure"
 #include "confdefs.h"
 #include <dlfcn.h>
 EOF
 ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:5681: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:5723: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
 ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
 if test -z "$ac_err"; then
   rm -rf conftest*
   eval "ac_cv_header_$ac_safe=yes"
 else
   echo "$ac_err" >&5
   echo "configure: failed program was:" >&5
   cat conftest.$ac_ext >&5
@@ -5705,23 +5747,23 @@ fi
     ;;
 esac
 
 
 
 
 if test $ac_cv_prog_gcc = yes; then
     echo $ac_n "checking whether ${CC-cc} needs -traditional""... $ac_c" 1>&6
-echo "configure:5714: checking whether ${CC-cc} needs -traditional" >&5
+echo "configure:5756: checking whether ${CC-cc} needs -traditional" >&5
 if eval "test \"`echo '$''{'ac_cv_prog_gcc_traditional'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
     ac_pattern="Autoconf.*'x'"
   cat > conftest.$ac_ext <<EOF
-#line 5720 "configure"
+#line 5762 "configure"
 #include "confdefs.h"
 #include <sgtty.h>
 Autoconf TIOCGETP
 EOF
 if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
   egrep "$ac_pattern" >/dev/null 2>&1; then
   rm -rf conftest*
   ac_cv_prog_gcc_traditional=yes
@@ -5729,17 +5771,17 @@ else
   rm -rf conftest*
   ac_cv_prog_gcc_traditional=no
 fi
 rm -f conftest*
 
 
   if test $ac_cv_prog_gcc_traditional = no; then
     cat > conftest.$ac_ext <<EOF
-#line 5738 "configure"
+#line 5780 "configure"
 #include "confdefs.h"
 #include <termio.h>
 Autoconf TCGETA
 EOF
 if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
   egrep "$ac_pattern" >/dev/null 2>&1; then
   rm -rf conftest*
   ac_cv_prog_gcc_traditional=yes
@@ -5753,22 +5795,22 @@ echo "$ac_t""$ac_cv_prog_gcc_traditional
   if test $ac_cv_prog_gcc_traditional = yes; then
     CC="$CC -traditional"
   fi
 fi
 
 for ac_func in lchown strerror
 do
 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
-echo "configure:5762: checking for $ac_func" >&5
+echo "configure:5804: checking for $ac_func" >&5
 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 5767 "configure"
+#line 5809 "configure"
 #include "confdefs.h"
 /* System header to define __stub macros and hopefully few prototypes,
     which can conflict with char $ac_func(); below.  */
 #include <assert.h>
 /* Override any gcc2 internal prototype to avoid an error.  */
 /* We use char because int might match the return type of a gcc2
     builtin and then its argument prototype would still apply.  */
 char $ac_func();
@@ -5781,17 +5823,17 @@ int main() {
 #if defined (__stub_$ac_func) || defined (__stub___$ac_func)
 choke me
 #else
 $ac_func();
 #endif
 
 ; return 0; }
 EOF
-if { (eval echo configure:5790: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
+if { (eval echo configure:5832: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=yes"
 else
   echo "configure: failed program was:" >&5
   cat conftest.$ac_ext >&5
   rm -rf conftest*
   eval "ac_cv_func_$ac_func=no"
 fi
@@ -5832,17 +5874,17 @@ if test "$CCACHE" != "no"; then
             fi
         fi
     fi
     for ac_prog in $CCACHE ccache
 do
 # Extract the first word of "$ac_prog", so it can be a program name with args.
 set dummy $ac_prog; ac_word=$2
 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:5841: checking for $ac_word" >&5
+echo "configure:5883: checking for $ac_word" >&5
 if eval "test \"`echo '$''{'ac_cv_path_CCACHE'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   case "$CCACHE" in
   /*)
   ac_cv_path_CCACHE="$CCACHE" # Let the user override the test with a path.
   ;;
   ?:/*)			 
@@ -5891,17 +5933,17 @@ if test "${enable_strip+set}" = set; the
 fi
 
 
 case "${target_os}" in
 hpux*)
 if test -z "$GNU_CC"; then
 
     echo $ac_n "checking for +Olit support""... $ac_c" 1>&6
-echo "configure:5900: checking for +Olit support" >&5
+echo "configure:5942: checking for +Olit support" >&5
 if eval "test \"`echo '$''{'ac_cv_hpux_usable_olit_option'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
                   ac_cv_hpux_usable_olit_option=no
         rm -f conftest*
         echo 'int main() { return 0; }' | cat > conftest.c
         ${CC-cc} ${CFLAGS} +Olit=all -o conftest conftest.c > conftest.out 2>&1
         if test $? -eq 0; then
@@ -5933,17 +5975,17 @@ darwin*)
     _HAVE_PTHREADS=1
     ;;
 wince*)
     _HAVE_PTHREADS=
     ;;
 *)
     
 echo $ac_n "checking for pthread_create in -lpthreads""... $ac_c" 1>&6
-echo "configure:5942: checking for pthread_create in -lpthreads" >&5
+echo "configure:5984: checking for pthread_create in -lpthreads" >&5
 echo "
     #include <pthread.h> 
     void *foo(void *v) { return v; } 
     int main() { 
         pthread_t t;
         if (!pthread_create(&t, 0, &foo, 0)) {
             pthread_join(t, 0);
         }
@@ -5955,17 +5997,17 @@ echo "
     rm -f dummy.c dummy${ac_exeext} ;
     if test "$_res" = "0"; then
         echo "$ac_t""yes" 1>&6
         _HAVE_PTHREADS=1 _PTHREAD_LDFLAGS="-lpthreads"
     else
         echo "$ac_t""no" 1>&6
         
 echo $ac_n "checking for pthread_create in -lpthread""... $ac_c" 1>&6
-echo "configure:5964: checking for pthread_create in -lpthread" >&5
+echo "configure:6006: checking for pthread_create in -lpthread" >&5
 echo "
     #include <pthread.h> 
     void *foo(void *v) { return v; } 
     int main() { 
         pthread_t t;
         if (!pthread_create(&t, 0, &foo, 0)) {
             pthread_join(t, 0);
         }
@@ -5977,17 +6019,17 @@ echo "
     rm -f dummy.c dummy${ac_exeext} ;
     if test "$_res" = "0"; then
         echo "$ac_t""yes" 1>&6
         _HAVE_PTHREADS=1 _PTHREAD_LDFLAGS="-lpthread"
     else
         echo "$ac_t""no" 1>&6
         
 echo $ac_n "checking for pthread_create in -lc_r""... $ac_c" 1>&6
-echo "configure:5986: checking for pthread_create in -lc_r" >&5
+echo "configure:6028: checking for pthread_create in -lc_r" >&5
 echo "
     #include <pthread.h> 
     void *foo(void *v) { return v; } 
     int main() { 
         pthread_t t;
         if (!pthread_create(&t, 0, &foo, 0)) {
             pthread_join(t, 0);
         }
@@ -5999,17 +6041,17 @@ echo "
     rm -f dummy.c dummy${ac_exeext} ;
     if test "$_res" = "0"; then
         echo "$ac_t""yes" 1>&6
         _HAVE_PTHREADS=1 _PTHREAD_LDFLAGS="-lc_r"
     else
         echo "$ac_t""no" 1>&6
         
 echo $ac_n "checking for pthread_create in -lc""... $ac_c" 1>&6
-echo "configure:6008: checking for pthread_create in -lc" >&5
+echo "configure:6050: checking for pthread_create in -lc" >&5
 echo "
     #include <pthread.h> 
     void *foo(void *v) { return v; } 
     int main() { 
         pthread_t t;
         if (!pthread_create(&t, 0, &foo, 0)) {
             pthread_join(t, 0);
         }
@@ -6117,17 +6159,17 @@ if test "${enable_ipv6+set}" = set; then
       fi
 fi
 
 
 if test -n "$USE_PTHREADS"; then
       rm -f conftest*
    ac_cv_have_dash_pthread=no
    echo $ac_n "checking whether ${CC-cc} accepts -pthread""... $ac_c" 1>&6
-echo "configure:6126: checking whether ${CC-cc} accepts -pthread" >&5
+echo "configure:6168: checking whether ${CC-cc} accepts -pthread" >&5
    echo 'int main() { return 0; }' | cat > conftest.c
    ${CC-cc} -pthread -o conftest conftest.c > conftest.out 2>&1
    if test $? -eq 0; then
 	if test -z "`egrep -i '(unrecognize|unknown)' conftest.out | grep pthread`" && test -z "`egrep -i '(error|incorrect)' conftest.out`" ; then
 	    ac_cv_have_dash_pthread=yes
 		case "$target_os" in
 	    freebsd*)
 # Freebsd doesn't use -pthread for compiles, it uses them for linking
@@ -6140,17 +6182,17 @@ echo "configure:6126: checking whether $
 	fi
     fi
     rm -f conftest*
     echo "$ac_t""$ac_cv_have_dash_pthread" 1>&6
 
 			    ac_cv_have_dash_pthreads=no
     if test "$ac_cv_have_dash_pthread" = "no"; then
 	    echo $ac_n "checking whether ${CC-cc} accepts -pthreads""... $ac_c" 1>&6
-echo "configure:6149: checking whether ${CC-cc} accepts -pthreads" >&5
+echo "configure:6191: checking whether ${CC-cc} accepts -pthreads" >&5
     	echo 'int main() { return 0; }' | cat > conftest.c
 	    ${CC-cc} -pthreads -o conftest conftest.c > conftest.out 2>&1
     	if test $? -eq 0; then
 	    	if test -z "`egrep -i '(unrecognize|unknown)' conftest.out | grep pthreads`" && test -z "`egrep -i '(error|incorrect)' conftest.out`" ; then
 			    ac_cv_have_dash_pthreads=yes
 			    CFLAGS="$CFLAGS -pthreads"
 			    CXXFLAGS="$CXXFLAGS -pthreads"
 		    fi
@@ -6707,17 +6749,17 @@ trap 'rm -f $CONFIG_STATUS conftest*; ex
 # Protect against Makefile macro expansion.
 cat > conftest.defs <<\EOF
 s%#define \([A-Za-z_][A-Za-z0-9_]*\) *\(.*\)%-D\1=\2%g
 s%[ 	`~#$^&*(){}\\|;'"<>?]%\\&%g
 s%\[%\\&%g
 s%\]%\\&%g
 s%\$%$$%g
 EOF
-DEFS=`sed -f conftest.defs confdefs.h | tr '\012' ' ' | tr '\015' ' '` # Manually modified for MKS support.
+DEFS=`sed -f conftest.defs confdefs.h | tr '\012' ' '`
 rm -f conftest.defs
 
 
 # Without the "./", some shells look in PATH for config.status.
 : ${CONFIG_STATUS=./config.status}
 
 echo creating $CONFIG_STATUS
 rm -f $CONFIG_STATUS
--- a/configure.in
+++ b/configure.in
@@ -564,33 +564,42 @@ if test "$target" != "$host"; then
     case "$build:$target" in 
       powerpc-apple-darwin8*:i?86-apple-darwin*)
         dnl The Darwin cross compiler doesn't necessarily point itself at a
         dnl root that has libraries for the proper architecture, it defaults
         dnl to the system root.  The libraries in the system root on current
         dnl versions of PPC OS X 10.4 aren't fat, so these target compiler
         dnl checks will fail.  Fake a working SDK in that case.
         _SAVE_CFLAGS=$CFLAGS 
-        _SAVE_CXXFLAGS=$CXXLAGS
+        _SAVE_CXXFLAGS=$CXXFLAGS
         CFLAGS="-isysroot /Developer/SDKs/MacOSX10.4u.sdk $CFLAGS"
         CXXFLAGS="-isysroot /Developer/SDKs/MacOSX10.4u.sdk $CXXFLAGS"
-        ;;        
-    esac            
+        ;;
+      *:arm*-apple-darwin*)
+        dnl The arm compiler doesn't appear to know about its root by default,
+        dnl so explicitly pass it one here. Later on we'll put this in CFLAGS
+        dnl anyway.
+        _SAVE_CFLAGS=$CFLAGS
+        _SAVE_CXXFLAGS=$CXXFLAGS
+        CFLAGS="-isysroot $MACOS_SDK_DIR $CFLAGS"
+        CXXFLAGS="-isysroot $MACOS_SDK_DIR $CXXFLAGS"
+        ;;
+    esac
 
     AC_CHECK_PROGS(CC, $CC "${target_alias}-gcc" "${target}-gcc", echo)
     unset ac_cv_prog_CC
     AC_PROG_CC
     if test -n "$USE_CPLUS"; then
         AC_CHECK_PROGS(CXX, $CXX "${target_alias}-g++" "${target}-g++", echo)
         unset ac_cv_prog_CXX
         AC_PROG_CXX
     fi
 
     case "$build:$target" in
-      powerpc-apple-darwin8*:i?86-apple-darwin*)
+      powerpc-apple-darwin8*:i?86-apple-darwin*|*:arm*-apple-darwin*)
         dnl Revert the changes made above.  From this point on, the target
         dnl compiler will never be used without applying the SDK to CFLAGS
         dnl (see --with-macos-sdk below).
         CFLAGS=$_SAVE_CFLAGS
         CXXFLAGS=$_SAVE_CXXFLAGS
         ;;
     esac
 
@@ -1329,30 +1338,34 @@ case "$target" in
 *-darwin*)
     AC_DEFINE(XP_UNIX)
     AC_DEFINE(DARWIN)
     AC_DEFINE(HAVE_BSD_FLOCK)
     AC_DEFINE(HAVE_SOCKLEN_T)
     AS='$(CC) -x assembler-with-cpp'
     CFLAGS="$CFLAGS -Wall -fno-common"
     case "${target_cpu}" in
+        arm*)
+            CPU_ARCH=arm
+            ;;
         i*86*)
             if test -n "$USE_64"; then
                 CPU_ARCH=x86_64
             else        
                 CPU_ARCH=i386
             fi
             ;;
         *)
             CPU_ARCH=ppc
             ;;
     esac
     if test "`echo $CC | grep -c '\-arch '`" = "0"; then
         CC="$CC -arch $CPU_ARCH"
     fi
+    AC_CHECK_HEADER(crt_externs.h)
     DSO_CFLAGS=-fPIC
     DSO_LDOPTS='-dynamiclib -compatibility_version 1 -current_version 1 -all_load -install_name @executable_path/$@ -headerpad_max_install_names'
     _OPTIMIZE_FLAGS=-O2
     MKSHLIB='$(CC) $(DSO_LDOPTS) -o $@'
     STRIP="$STRIP -x -S"
     DLL_SUFFIX=dylib
     USE_PTHREADS=1
     MDCPUCFG_H=_darwin.cfg
--- a/pr/include/md/_darwin.h
+++ b/pr/include/md/_darwin.h
@@ -37,39 +37,42 @@
 
 #ifndef nspr_darwin_defs_h___
 #define nspr_darwin_defs_h___
 
 #include "prthread.h"
 
 #include <sys/syscall.h>
 
-#ifdef XP_MACOSX
+#ifdef __APPLE__
 #include <AvailabilityMacros.h>
+#include <TargetConditionals.h>
 #endif
 
 #define PR_LINKER_ARCH	"darwin"
 #define _PR_SI_SYSNAME  "DARWIN"
 #ifdef __i386__
 #define _PR_SI_ARCHITECTURE "x86"
 #elif defined(__x86_64__)
 #define _PR_SI_ARCHITECTURE "x86-64"
 #elif defined(__ppc__)
 #define _PR_SI_ARCHITECTURE "ppc"
+#elif defined(__arm__)
+#define _PR_SI_ARCHITECTURE "arm"
 #endif
 #define PR_DLL_SUFFIX		".dylib"
 
 #define _PR_VMBASE              0x30000000
 #define _PR_STACK_VMBASE	0x50000000
 #define _MD_DEFAULT_STACK_SIZE	65536L
 #define _MD_MMAP_FLAGS          MAP_PRIVATE
 
 #undef  HAVE_STACK_GROWING_UP
 #define HAVE_DLL
-#ifdef __x86_64__
+#if defined(__x86_64__) || TARGET_OS_IPHONE
 #define USE_DLFCN
 #else
 #define USE_MACH_DYLD
 #endif
 #define _PR_HAVE_SOCKADDR_LEN  
 #define _PR_STAT_HAS_ST_ATIMESPEC
 #define _PR_HAVE_LARGE_OFF_T
 #define _PR_HAVE_SYSV_SEMAPHORES
--- a/pr/src/md/unix/uxproces.c
+++ b/pr/src/md/unix/uxproces.c
@@ -43,17 +43,19 @@
 #include <signal.h>
 #include <sys/wait.h>
 #include <string.h>
 #if defined(AIX)
 #include <dlfcn.h>  /* For dlopen, dlsym, dlclose */
 #endif
 
 #if defined(DARWIN)
+#if defined(HAVE_CRT_EXTERNS_H)
 #include <crt_externs.h>
+#endif
 #else
 PR_IMPORT_DATA(char **) environ;
 #endif
 
 /*
  * HP-UX 9 doesn't have the SA_RESTART flag.
  */
 #ifndef SA_RESTART
@@ -180,21 +182,28 @@ ForkAndExec(
     }
 
     childEnvp = envp;
     if (attr && attr->fdInheritBuffer) {
         PRBool found = PR_FALSE;
 
         if (NULL == childEnvp) {
 #ifdef DARWIN
+#ifdef HAVE_CRT_EXTERNS_H
             childEnvp = *(_NSGetEnviron());
 #else
+            PR_DELETE(process);
+            PR_SetError(PR_NOT_IMPLEMENTED_ERROR, 0);
+            return NULL;
+#endif
+#else
             childEnvp = environ;
 #endif
         }
+
         for (nEnv = 0; childEnvp[nEnv]; nEnv++) {
         }
         newEnvp = (char **) PR_MALLOC((nEnv + 2) * sizeof(char *));
         if (NULL == newEnvp) {
             PR_DELETE(process);
             PR_SetError(PR_OUT_OF_MEMORY_ERROR, 0);
             return NULL;
         }