X-Git-Url: http://wien.tomnetworks.com/gitweb/?a=blobdiff_plain;ds=sidebyside;f=configure.in;h=02bd8a184385e94c99ee1ad27b6acf19c4867475;hb=7aaa8a21a82a6fea0be1380c4f3ae9ac6be26285;hp=e6361c81056073cc0c8c182bd6811bcf9ff712a1;hpb=107d0c706fc7a9fcd31479264f4dbb291dbbe7c8;p=mono.git

diff --git a/configure.in b/configure.in
index e6361c81056..02bd8a18438 100644
--- a/configure.in
+++ b/configure.in
@@ -1,8 +1,8 @@
 # Process this file with autoconf to produce a configure script.
 #AC_PREREQ([2.62])
 
-AC_INIT(mono, [2.11],
-        [http://bugzilla.novell.com/enter_bug.cgi?product=mono])
+AC_INIT(mono, [2.11.1],
+        [http://bugzilla.xamarin.com/enter_bug.cgi?classification=Mono])
 
 AC_CONFIG_SRCDIR([README])
 AC_CONFIG_MACRO_DIR([m4])
@@ -86,6 +86,7 @@ esac
 
 host_win32=no
 target_win32=no
+platform_android=no
 case "$host" in
 	*-mingw*|*-*-cygwin*)
 		AC_DEFINE(HOST_WIN32,1,[Host Platform is Win32])
@@ -94,11 +95,21 @@ case "$host" in
 		host_win32=yes
 		if test "x$cross_compiling" = "xno"; then
 			target_win32=yes
-			if test "x$host" == "x$build"; then
+			if test "x$host" == "x$build" -a "x$host" == "x$target"; then
 				AC_DEFINE(TARGET_WIN32,1,[Target OS is Win32])
 			fi
-			CC="gcc -mno-cygwin -g"
-			CXX="g++ -mno-cygwin -g"
+			#
+			# gcc-3/g++-3 are from the gcc-core/gcc-g++ cygwin packages.
+			# Other gcc packages will not work:
+			# - the gcc-4 packages no longer support -mno-cygwin
+			# - the mingw-gcc packages produce executables which depends on a libgcc<...>
+			# dll, which means we would have to distribute that file too.
+			#
+			if test "x$CC" != "x"; then
+				AC_ERROR(Don't set CC. mono can only be compiled with gcc-3 from the 'gcc-core' package)
+			fi
+			CC="gcc-3.exe -mno-cygwin -g"
+			CXX="g++-3.exe -mno-cygwin -g"
 			# So libgc configure gets -mno-cygwin
 			export CC
 			export CXX
@@ -180,6 +191,42 @@ case "$host" in
 		with_sigaltstack=no
 		use_sigposix=yes
 		;;
+	*-*-linux-android*)
+		host_win32=no
+		platform_android=yes
+		AC_DEFINE(PLATFORM_ANDROID,1,[Targeting the Android platform])
+		AC_DEFINE(TARGET_ANDROID,1,[Targeting the Android platform])
+
+		CPPFLAGS="$CPPFLAGS -DGC_LINUX_THREADS -D_GNU_SOURCE -D_REENTRANT -DUSE_MMAP"
+		if test "x$disable_munmap" != "xyes"; then
+			CPPFLAGS="$CPPFLAGS -DUSE_MUNMAP"
+		fi
+		libmono_cflags="-D_REENTRANT"
+		libdl="-ldl"
+		libgc_threads=pthreads
+		use_sigposix=yes
+
+		with_tls=pthread
+		with_sigaltstack=no
+		with_static_mono=no
+
+		# Android doesn't support boehm, as it's missing <link.h>
+		support_boehm=no
+		with_gc=sgen
+
+		# isinf(3) requires -lm; see isinf check below
+		LDFLAGS="$LDFLAGS -lm"
+
+		# Bionic's <pthread.h> sets PTHREAD_STACK_MIN=2*PAGE_SIZE; doesn't define
+		# PAGE_SIZE; breaks mono/io-layer/collection.c
+		# Bionic doesn't provide S_IWRITE; breaks io-layer/io.c
+		CFLAGS="$CFLAGS -DPAGE_SIZE=4096 -DS_IWRITE=S_IWUSR"
+		CXXFLAGS="$CXXFLAGS -DPAGE_SIZE=4096 -DS_IWRITE=S_IWUSR"
+
+		# to bypass the underscore linker check, can't work when cross-compiling
+		mono_cv_uscore=yes
+		mono_cv_clang=no
+		;;
 	*-*-linux*)
 		host_win32=no
 		CPPFLAGS="$CPPFLAGS -DGC_LINUX_THREADS -D_GNU_SOURCE -D_REENTRANT -DUSE_MMAP"
@@ -302,6 +349,7 @@ AM_CONDITIONAL(TARGET_WIN32, test x$target_win32 = xyes)
 AM_CONDITIONAL(PLATFORM_LINUX, echo x$target_os | grep -q linux)
 AM_CONDITIONAL(PLATFORM_DARWIN, test x$platform_darwin = xyes)
 AM_CONDITIONAL(PLATFORM_SIGPOSIX, test x$use_sigposix = xyes)
+AM_CONDITIONAL(PLATFORM_ANDROID, test x$platform_android = xyes)
 
 AC_CHECK_TOOL(CC, gcc, gcc)
 AC_PROG_CC
@@ -328,12 +376,6 @@ if test "x$CXX" = "xg++"; then
 	fi
 fi
 
-AC_CHECK_PROG(BISON, bison,yes,no)
-if test "x$BISON" = "xno";
-then
-	AC_MSG_ERROR([You need to install bison])
-fi
-
 dnl may require a specific autoconf version
 dnl AC_PROG_CC_FOR_BUILD
 dnl CC_FOR_BUILD not automatically detected
@@ -444,21 +486,35 @@ AC_CHECK_SIZEOF(void *, 4)
 
 WARN=''
 if test x"$GCC" = xyes; then
-        WARN='-Wall -Wunused -Wmissing-prototypes -Wmissing-declarations -Wstrict-prototypes  -Wmissing-prototypes -Wnested-externs -Wpointer-arith -Wno-cast-qual -Wwrite-strings'
+        WARN='-Wall -Wunused -Wmissing-prototypes -Wmissing-declarations -Wstrict-prototypes  -Wmissing-prototypes -Wnested-externs -Wpointer-arith -Wno-cast-qual -Wwrite-strings -Wno-switch-enum'
 		# The runtime code does not respect ANSI C strict aliasing rules
 		CFLAGS="$CFLAGS -fno-strict-aliasing"
 
 		ORIG_CFLAGS=$CFLAGS
 		CFLAGS="$CFLAGS -Wdeclaration-after-statement"
 		AC_MSG_CHECKING(for -Wdeclaration-after-statement option to gcc)
-		AC_TRY_COMPILE([], [
-						   void main () { }
+		AC_TRY_COMPILE([],[
+				return 0;
 		], [
 		   AC_MSG_RESULT(yes)
 		], [
 		   AC_MSG_RESULT(no)
 		   CFLAGS=$ORIG_CFLAGS
 		])
+
+		ORIG_CFLAGS=$CFLAGS
+		# Check for the normal version, since gcc ignores unknown -Wno options
+		CFLAGS="$CFLAGS -Wunused-but-set-variable"
+		AC_MSG_CHECKING(for -Wno-unused-but-set-variable option to gcc)
+		AC_TRY_COMPILE([],[
+				return 0;
+		], [
+		   AC_MSG_RESULT(yes)
+		   CFLAGS="$ORIG_CFLAGS -Wno-unused-but-set-variable"
+		], [
+		   AC_MSG_RESULT(no)
+		   CFLAGS=$ORIG_CFLAGS
+		])
 else
 	# The Sun Forte compiler complains about inline functions that access static variables
 	# so disable all inlining.
@@ -471,6 +527,22 @@ fi
 CFLAGS="$CFLAGS -g $WARN"
 CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -g"
 
+AC_CACHE_CHECK([for clang],
+	mono_cv_clang,[
+	AC_TRY_RUN([
+		int main () {
+			#ifdef __clang__
+				return 0;
+			#else
+				return 1;
+			#endif
+		}
+	],
+	[mono_cv_clang=yes],
+	[mono_cv_clang=no],
+	[])
+])
+
 # Where's the 'mcs' source tree?
 if test -d $srcdir/mcs; then
   mcsdir=mcs
@@ -521,9 +593,6 @@ if test x$cross_compiling$host_win32 = xnoyes; then
   esac
 fi
 
-## Maybe should also disable if mcsdir is invalid.  Let's punt the issue for now.
-AM_CONDITIONAL(BUILD_MCS, [test x$cross_compiling = xno && test x$enable_mcs_build != xno])
-
 AC_SUBST([mcs_topdir])
 AC_SUBST([mcs_topdir_from_srcdir])
 
@@ -629,13 +698,13 @@ AM_CONDITIONAL(SHARED_MONO, test x$with_shared_mono != xno)
 AC_ARG_ENABLE(mcs-build, [  --disable-mcs-build disable the build of the mcs directory], try_mcs_build=$enableval, enable_mcs_build=yes)
 
 AC_ARG_WITH(xen_opt,   [  --with-xen_opt=yes,no          Enable Xen-specific behaviour (defaults to yes)],[],[with_xen_opt=yes])
-if test "x$with_xen_opt" = "xyes"; then
+if test "x$with_xen_opt" = "xyes" -a "x$mono_cv_clang" = "xno"; then
 	AC_DEFINE(MONO_XEN_OPT, 1, [Xen-specific behaviour])
 	ORIG_CFLAGS=$CFLAGS
 	CFLAGS="$CFLAGS -mno-tls-direct-seg-refs"
 	AC_MSG_CHECKING(for -mno-tls-direct-seg-refs option to gcc)
 	AC_TRY_COMPILE([], [
-					   void main () { }
+		return 0;
 	], [
 	   AC_MSG_RESULT(yes)
 	   # Pass it to libgc as well
@@ -660,7 +729,7 @@ DISABLED_FEATURES=none
 
 AC_ARG_ENABLE(minimal, [  --enable-minimal=LIST      drop support for LIST subsystems.
      LIST is a comma-separated list from: aot, profiler, decimal, pinvoke, debug,
-     reflection_emit, reflection_emit_save, large_code, logging, com, ssa, generics, attach, jit, simd, soft_debug, normalization, assembly_remapping.],
+     reflection_emit, reflection_emit_save, large_code, logging, com, ssa, generics, attach, jit, simd, soft_debug, normalization, assembly_remapping, shared_perfcounters.],
 [
 	for feature in `echo "$enable_minimal" | sed -e "s/,/ /g"`; do
 		eval "mono_feature_disable_$feature='yes'"
@@ -785,10 +854,20 @@ if test "x$mono_feature_disable_assembly_remapping" = "xyes"; then
 	AC_MSG_NOTICE([Disabled Assembly remapping.])
 fi
 
+if test "x$mono_feature_disable_shared_perfcounters" = "xyes"; then
+	AC_DEFINE(DISABLE_SHARED_PERFCOUNTERS, 1, [Disable shared perfcounters.])
+	AC_MSG_NOTICE([Disabled Shared perfcounters.])
+fi
+
+AC_ARG_ENABLE(executables, [  --disable-executables disable the build of the runtime executables], enable_executables=$enableval, enable_executables=yes)
+AM_CONDITIONAL(DISABLE_EXECUTABLES, test x$enable_executables = xno)
+
 AC_MSG_CHECKING(for visibility __attribute__)
-AC_TRY_COMPILE([], [
-   void __attribute__ ((visibility ("hidden"))) doit (void) {}
-   void main () { doit (); }
+AC_COMPILE_IFELSE([
+	AC_LANG_SOURCE([[
+		void __attribute__ ((visibility ("hidden"))) doit (void) {}
+   		int main () { doit (); return 0; }
+   	]])
 ], [
    have_visibility_hidden=yes
    AC_MSG_RESULT(yes)
@@ -816,10 +895,13 @@ if test x$enable_parallel_mark = xyes; then
 	libgc_configure_args="$libgc_configure_args --enable-parallel-mark"
 fi
 
+AC_ARG_ENABLE(boehm, [  --disable-boehm            Disable the Boehm GC.], support_boehm=$enableval,support_boehm=${support_boehm:-yes})
+AM_CONDITIONAL(SUPPORT_BOEHM, test x$support_boehm = xyes)
+
 dnl
 dnl Boehm GC configuration
 dnl
-LIBGC_CFLAGS=
+LIBGC_CPPFLAGS=
 LIBGC_LIBS=
 LIBGC_STATIC_LIBS=
 libgc_dir=
@@ -868,7 +950,7 @@ case "x$gc" in
 		use_included_gc=yes
 		libgc_dir=libgc
 
-		LIBGC_CFLAGS='-I$(top_srcdir)/libgc/include'
+		LIBGC_CPPFLAGS='-I$(top_srcdir)/libgc/include'
 		LIBGC_LIBS='$(top_builddir)/libgc/libmonogc.la'
 		LIBGC_STATIC_LIBS='$(top_builddir)/libgc/libmonogc-static.la'
 
@@ -903,7 +985,7 @@ if test "x$large_heap" = "xyes"; then
 fi
 
 AM_CONDITIONAL(INCLUDED_LIBGC, test x$use_included_gc = xyes)
-AC_SUBST(LIBGC_CFLAGS)
+AC_SUBST(LIBGC_CPPFLAGS)
 AC_SUBST(LIBGC_LIBS)
 AC_SUBST(LIBGC_STATIC_LIBS)
 AC_SUBST(libgc_dir)
@@ -1017,10 +1099,9 @@ if test x$target_win32 = xno; then
 	dnl ****************************************************************
 	AC_MSG_CHECKING(for sched_setaffinity from glibc < 2.3.4)
 	AC_TRY_COMPILE([#include <sched.h>], [
-		int main() {
             int mask = 1; 
             sched_setaffinity(0, &mask);
-        }
+			return 0;
 	], [
 		# Yes, we have it...
 		AC_MSG_RESULT(yes)
@@ -1314,6 +1395,7 @@ if test x$target_win32 = xno; then
 	AC_CHECK_HEADERS(pthread.h)
 	AC_CHECK_FUNCS(pthread_mutex_timedlock)
 	AC_CHECK_FUNCS(pthread_getattr_np pthread_attr_get_np)
+	AC_CHECK_FUNCS(pthread_kill)
 	AC_MSG_CHECKING(for PTHREAD_MUTEX_RECURSIVE)
 	AC_TRY_COMPILE([ #include <pthread.h>], [
 		pthread_mutexattr_t attr;
@@ -1414,7 +1496,11 @@ if test x$target_win32 = xno; then
 			child ()
 			{
 				struct sigaction sa;
+			#ifdef __APPLE__
+				stack_t sas;
+			#else
 				struct sigaltstack sas;
+			#endif
 				pthread_t id;
 				pthread_attr_t attr;
 
@@ -1426,6 +1512,11 @@ if test x$target_win32 = xno; then
 					return;
 				}
 
+				/* x86 darwin deliver segfaults using SIGBUS */
+				if (sigaction (SIGBUS, &sa, NULL) == -1) {
+					perror ("sigaction");
+					return;
+				}
 				sas.ss_sp = malloc (SIGSTKSZ);
 				sas.ss_size = SIGSTKSZ;
 				sas.ss_flags = 0;
@@ -2042,7 +2133,7 @@ if test "x$enable_llvm" = "xyes"; then
    # from LLVM classes.
    LLVM_CXXFLAGS="`$LLVM_CONFIG --cxxflags` -fno-rtti"
    LLVM_LDFLAGS=`$LLVM_CONFIG --ldflags`
-   LLVM_LIBS=`$LLVM_CONFIG --libs core bitwriter jit x86codegen`
+   LLVM_LIBS=`$LLVM_CONFIG --libs core bitwriter jit mcjit x86codegen`
    LLVM_LIBS="$LLVM_LDFLAGS $LLVM_LIBS -lstdc++"
 
    # Should be something like '2.6' or '2.7svn'
@@ -2103,16 +2194,16 @@ case "$host" in
 	mips*)
 		TARGET=MIPS;
 		arch_target=mips;
+		sgen_supported=true
 		ACCESS_UNALIGNED="no"
 		JIT_SUPPORTED=yes
 
 		AC_MSG_CHECKING(for mips n32)
-		AC_TRY_COMPILE([], [
-		void main () {
+		AC_TRY_COMPILE([],[
 		#if _MIPS_SIM != _ABIN32
 		#error Not mips n32
 		#endif
-   		}
+		return 0;
 		],[
 		AC_MSG_RESULT(yes)
 		sizeof_register=8
@@ -2147,6 +2238,7 @@ case "$host" in
 			sgen_supported=true
 			;;
 		  cygwin*)
+			sgen_supported=true
 			have_visibility_hidden=no		  
 			;;
 		  haiku*)
@@ -2156,6 +2248,10 @@ case "$host" in
 			sgen_supported=true
 			AOT_SUPPORTED="yes"
 			;;
+		  darwin*)
+			sgen_supported=true
+			AOT_SUPPORTED="yes"
+			;;
 		  darwin*|openbsd*|freebsd*)
 			sgen_supported=true
 		        ;;
@@ -2302,12 +2398,13 @@ case "$host" in
 esac
 
 if test "x$host" != "x$target"; then
+   AC_DEFINE(MONO_CROSS_COMPILE,1,[The runtime is compiled for cross-compiling mode])
+   enable_mcs_build=no
    case "$target" in
    powerpc64-ps3-linux-gnu)
 		TARGET=POWERPC64
 		arch_target=powerpc64
 		AC_DEFINE(TARGET_PS3, 1, [...])
-		AC_DEFINE(MONO_CROSS_COMPILE,1,[The runtime is compiled for cross-compiling mode])
 		# It would be better to just use TARGET_POWERPC64, but lots of code already
 		# uses this define
 		AC_DEFINE(__mono_ppc64__, 1, [...])
@@ -2320,7 +2417,6 @@ if test "x$host" != "x$target"; then
 		TARGET=POWERPC64
 		arch_target=powerpc64
 		AC_DEFINE(TARGET_XBOX360, 1, [...])
-		AC_DEFINE(MONO_CROSS_COMPILE,1,[The runtime is compiled for cross-compiling mode])
 		# It would be better to just use TARGET_POWERPC64, but lots of code already
 		# uses this define
 		sizeof_register=8
@@ -2330,14 +2426,20 @@ if test "x$host" != "x$target"; then
 		TARGET=AMD64
 		arch_target=amd64
 		AC_DEFINE(TARGET_AMD64, 1, [...])
-		AC_DEFINE(MONO_CROSS_COMPILE,1,[The runtime is compiled for cross-compiling mode])
 		AC_DEFINE(__mono_ilp32__, 1, [64 bit mode with 4 byte longs and pointers])
 		sizeof_register=8
 		;;
+   *-*-nacl)
+		TARGET=X86
+		arch_target=x86
+		AC_DEFINE(TARGET_X86, 1, [...])
+		sizeof_register=4
+		;;
    armv7l-unknown-linux-gnueabi*)
 		# TEGRA
 		TARGET=ARM;
 		arch_target=arm;
+		AC_DEFINE(TARGET_ARM, 1, [...])
 		ACCESS_UNALIGNED="no"
 		JIT_SUPPORTED=yes
 		CPPFLAGS="$CPPFLAGS -DARM_FPU_VFP=1 -D__ARM_EABI__"
@@ -2349,6 +2451,7 @@ if test "x$host" != "x$target"; then
    armv5tel-unknown-linux-gnueabi*)
 		TARGET=ARM;
 		arch_target=arm;
+		AC_DEFINE(TARGET_ARM, 1, [...])
 		ACCESS_UNALIGNED="no"
 		JIT_SUPPORTED=yes
 		CPPFLAGS="$CPPFLAGS -D__ARM_EABI__"
@@ -2357,8 +2460,21 @@ if test "x$host" != "x$target"; then
 		# in mono-compiler.h
 		with_tls=pthread
 		;;
+   armv5-*-linux-androideabi*)
+		TARGET=ARM;
+		arch_target=arm;
+		AC_DEFINE(TARGET_ARM, 1, [...])
+		AC_DEFINE(TARGET_ANDROID, 1, [...])
+		ACCESS_UNALIGNED="no"
+		JIT_SUPPORTED=yes
+		CPPFLAGS="$CPPFLAGS -D__ARM_EABI__ -DARM_FPU_NONE=1"
+		jit_wanted=true
+		# Can't use tls, since it depends on the runtime detection of tls offset
+		# in mono-compiler.h
+		with_tls=pthread
+		;;
 	*)
-		AC_MSG_WARN([Cross compiling is only supported for targets matching 'powerpc64-{ps3,xbox360}-linux-gnu'])
+		AC_MSG_ERROR([Cross compiling is not supported for target $target])
 	esac
 fi
 
@@ -2383,6 +2499,9 @@ POWERPC64)
 S390x)
 	AC_DEFINE(TARGET_S390X, 1, [...])
 	;;
+MIPS)
+	AC_DEFINE(TARGET_MIPS, 1, [...])
+	;;
 esac
 
 if test "x$sizeof_register" = "x4"; then
@@ -2509,7 +2628,7 @@ if test "x$TARGET" = "xAMD64" -o "x$TARGET" = "xX86"; then
 		# undefined reference to `__tls_get_addr'
 		#
 		rm -f conftest.c conftest.so conftest
-		echo "static __thread int foo; void main () { foo = 5; }" > conftest.c
+		echo "static __thread int foo; int main () { foo = 5; return 0; }" > conftest.c
 		$CC -fPIC --shared -o conftest.so conftest.c > /dev/null 2>&1
 		$CC -o conftest conftest.so > /dev/null 2>&1
 		if test ! -f conftest; then
@@ -2523,7 +2642,7 @@ fi
 mono_debugger_supported=no
 AC_ARG_ENABLE(mono-debugger, [  --disable-mono-debugger disable support for the mdb debugger], try_mono_debugger=$enableval, try_mono_debugger=yes)
 if test "x$try_mono_debugger" = "xyes"; then
-	if test "x$TARGET" = "xAMD64" -o "x$TARGET" = "xX86" -o "x$TARGET" = "xALPHA"; then
+	if test "x$TARGET" = "xAMD64" -o "x$TARGET" = "xX86" -o "x$TARGET" = "xALPHA" -o "x$TARGET" = "xS390x"; then
 		if test x$use_included_gc = xyes; then
 			case "$host" in
 			*-*-*linux*)
@@ -2550,6 +2669,21 @@ fi
 AM_CONDITIONAL(MONO_DEBUGGER_SUPPORTED, test x$mono_debugger_supported = xyes)
 AC_MSG_RESULT($mono_debugger_supported)
 
+AC_ARG_ENABLE(icall-symbol-map,[ --enable-icall-symbol-map Generate tables which map icall functions to their C symbols], icall_symbol_map=$enableval, icall_symbol_map=no)
+if test "x$icall_symbol_map" = "xyes"; then
+   AC_DEFINE(ENABLE_ICALL_SYMBOL_MAP, 1, [Icall symbol map enabled])
+fi
+
+AC_ARG_ENABLE(icall-export,[ --enable-icall-export Export icall functions], icall_export=$enableval, icall_export=no)
+if test "x$icall_export" = "xyes"; then
+   AC_DEFINE(ENABLE_ICALL_EXPORT, 1, [Icall export enabled])
+fi
+
+AC_ARG_ENABLE(icall-tables,[ --disable-icall-tables Disable the runtime lookup of icalls], icall_tables=$enableval, icall_tables=yes)
+if test "x$icall_tables" = "xno"; then
+   AC_DEFINE(DISABLE_ICALL_TABLES, 1, [Icall tables disabled])
+fi
+
 if test "x$with_tls" = "x__thread"; then
 	AC_DEFINE(HAVE_KW_THREAD, 1, [Have __thread keyword])
 	# Pass the information to libgc
@@ -2558,7 +2692,10 @@ if test "x$with_tls" = "x__thread"; then
 	AC_TRY_COMPILE([static __thread int foo __attribute__((tls_model("initial-exec")));], [
 		], [
 			AC_MSG_RESULT(yes)
-			AC_DEFINE(HAVE_TLS_MODEL_ATTR, 1, [tld_model available])
+			# CLANG doesn't support this yet, and it prints warnings about it
+			if test "x$mono_cv_clang" = "xno"; then
+				AC_DEFINE(HAVE_TLS_MODEL_ATTR, 1, [tld_model available])
+			fi
 		], [
 			AC_MSG_RESULT(no)
 	])
@@ -2570,12 +2707,19 @@ if test ${TARGET} = ARM && test x$cross_compiling = xno && test x$enable_mcs_bui
 	dnl ******************************************
 	AC_MSG_CHECKING(which FPU to use)
 
-	ORIG_CFLAGS=$CFLAGS
-	CFLAGS="$CFLAGS -mfpu=vfp -mfloat-abi=softfp"
-	AC_TRY_RUN([
-		int main () { __asm__ ("faddd	d7, d6, d7"); return 0; }
-			], fpu=VFP, fpu=NONE)
-	CFLAGS=$ORIG_CFLAGS
+	fpu=NONE
+	if gcc -v 2>&1 | grep -q -- '--with-float=hard'; then
+	   fpu=VFP_HARD
+	fi
+
+	if test x$fpu = xNONE; then
+	   ORIG_CFLAGS=$CFLAGS
+	   CFLAGS="$CFLAGS -mfpu=vfp -mfloat-abi=softfp"
+	   AC_TRY_RUN([
+				int main () { __asm__ ("faddd	d7, d6, d7"); return 0; }
+				], fpu=VFP, fpu=NONE)
+	   CFLAGS=$ORIG_CFLAGS
+	fi
 
 	if test x$fpu = xNONE; then
 		AC_TRY_COMPILE([], [
@@ -2618,23 +2762,24 @@ case "x$gc" in
 		# The problem with this approach, is that during a reconfigure, the main
 		# configure scripts gets invoked with these arguments, so we use separate
 		# variables understood by libgc's configure to pass CPPFLAGS and CFLAGS.
-		LIBGC_CPPFLAGS="$CPPFLAGS $NESTED_LIBGC_FLAGS"
+		TMP_CPPFLAGS="$CPPFLAGS $NESTED_LIBGC_FLAGS"
 		if test x$TARGET = xSPARC -o x$TARGET = xSPARC64; then
-			LIBGC_CPPFLAGS=`echo $LIBGC_CPPFLAGS | sed -e 's/-D_FILE_OFFSET_BITS=64//g'`
+			TMP_CPPFLAGS=`echo $TMP_CPPFLAGS | sed -e 's/-D_FILE_OFFSET_BITS=64//g'`
 		fi
 		# Don't pass -finstrument-for-thread-suspension in, 
 		# if these are instrumented it will be very bad news 
 		# (infinite recursion, undefined parking behavior, etc)
-		LIBGC_CPPFLAGS=`echo $LIBGC_CPPFLAGS | sed -e 's/-finstrument-for-thread-suspension//g'`
-		ac_configure_args="$ac_configure_args --disable-embed-check --with-libgc-threads=$libgc_threads $libgc_configure_args \"CPPFLAGS_FOR_LIBGC=$LIBGC_CPPFLAGS\" \"CFLAGS_FOR_LIBGC=$CFLAGS_FOR_LIBGC\""
+		TMP_CPPFLAGS=`echo $TMP_CPPFLAGS | sed -e 's/-finstrument-for-thread-suspension//g'`
+		ac_configure_args="$ac_configure_args --disable-embed-check --with-libgc-threads=$libgc_threads $libgc_configure_args \"CPPFLAGS_FOR_LIBGC=$TMP_CPPFLAGS\" \"CFLAGS_FOR_LIBGC=$CFLAGS_FOR_LIBGC\""
 		AC_CONFIG_SUBDIRS(libgc)
 		;;
 esac
 
 #AC_ARG_WITH(profile2,  [  --with-profile2=yes,no          If you want to install the 2.0 FX (defaults to yes)],                 [], [with_profile2=yes])
-AC_ARG_WITH(profile4,  [  --with-profile4=yes,no          If you want to install the 4.0 FX (defaults to yes)],                  [], [with_profile4=yes])
+AC_ARG_WITH(profile4,  [  --with-profile4=yes,no          If you want to install the 4.x FX (defaults to yes)],                  [], [with_profile4=yes])
 AC_ARG_WITH(monodroid, [  --with-monodroid=yes,no         If you want to build the MonoDroid 2.1 assemblies (defaults to no)], [], [with_monodroid=no])
 AC_ARG_WITH(monotouch, [  --with-monotouch=yes,no         If you want to build the MonoTouch 2.1 assemblies (defaults to no)], [], [with_monotouch=no])
+AC_ARG_WITH(mobile,    [  --with-mobile=yes,no            If you want to build the Mobile 2.1 assemblies (defaults to no)], [], [with_mobile=no])
 
 OPROFILE=no
 AC_ARG_WITH(oprofile,[  --with-oprofile=no,<oprofile install dir>   Enable oprofile support (defaults to no)],[
@@ -2687,6 +2832,15 @@ AC_CHECK_HEADER([malloc.h],
 		[AC_DEFINE([HAVE_USR_INCLUDE_MALLOC_H], [1], 
 			[Define to 1 if you have /usr/include/malloc.h.])],,)
 
+# When --disable-shared is used, libtool transforms libmono-2.0.la into libmono-2.0.so
+# instead of libmono-static.a
+if test "x$enable_shared" = "xno"; then
+   LIBMONO_LA=.libs/libmono-static.a
+else
+   LIBMONO_LA=libmono-$API_VER.la
+fi
+AC_SUBST(LIBMONO_LA)
+
 dnl
 dnl Consistency settings
 dnl
@@ -2701,6 +2855,9 @@ else
 fi
 AC_SUBST(docs_dir)
 
+## Maybe should also disable if mcsdir is invalid.  Let's punt the issue for now.
+AM_CONDITIONAL(BUILD_MCS, [test x$cross_compiling = xno && test x$enable_mcs_build != xno])
+
 AM_CONDITIONAL(HAVE_OPROFILE, test x$OPROFILE = xyes)
 AC_SUBST(OPROFILE_CFLAGS)
 AC_SUBST(OPROFILE_LIBS)
@@ -2715,6 +2872,7 @@ AM_CONDITIONAL(MOONLIGHT_SGEN, [test "x$with_moon_gc" = "xsgen"])
 AM_CONDITIONAL(INSTALL_4_0, [test "x$with_profile4" = xyes])
 AM_CONDITIONAL(INSTALL_MONODROID, [test "x$with_monodroid" = xyes])
 AM_CONDITIONAL(INSTALL_MONOTOUCH, [test "x$with_monotouch" = xyes])
+AM_CONDITIONAL(INSTALL_MOBILE, [test "x$with_mobile" = xyes])
 
 AM_CONDITIONAL(MIPS_GCC, test ${TARGET}${ac_cv_prog_gcc} = MIPSyes)
 AM_CONDITIONAL(MIPS_SGI, test ${TARGET}${ac_cv_prog_gcc} = MIPSno)
@@ -2873,9 +3031,43 @@ AC_CONFIG_COMMANDS([runtime/etc/mono/4.0/web.config],
     cd $depth
 ],[LN_S='$LN_S'])
 
+AC_CONFIG_COMMANDS([runtime/etc/mono/4.5/machine.config],
+[   depth=../../../..
+    case $srcdir in
+    [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
+    .) reldir=$depth ;;
+    *) reldir=$depth/$srcdir ;;
+    esac
+    $ac_aux_dir/install-sh -d runtime/etc/mono/4.5
+    cd runtime/etc/mono/4.5
+    rm -f machine.config
+    $LN_S $reldir/data/net_4_5/machine.config machine.config
+    cd $depth
+],[LN_S='$LN_S'])
+
+AC_CONFIG_COMMANDS([runtime/etc/mono/4.5/web.config],
+[   depth=../../../..
+    case $srcdir in
+    [[\\/$]]* | ?:[[\\/]]* ) reldir=$srcdir ;;
+    .) reldir=$depth ;;
+    *) reldir=$depth/$srcdir ;;
+    esac
+    $ac_aux_dir/install-sh -d runtime/etc/mono/4.5
+    cd runtime/etc/mono/4.5
+    rm -f web.config
+    $LN_S $reldir/data/net_4_5/web.config web.config
+    cd $depth
+],[LN_S='$LN_S'])
+
 if test x$enable_quiet_build = xyes; then
-   AC_CONFIG_COMMANDS([quiet], [for i in `find mono libgc support -name Makefile.in | sed -e 's/Makefile.in/Makefile/g'`; do if test -f $i; then $srcdir/scripts/patch-quiet.sh $i; fi; done], [shell=$SHELL])
-   AC_CONFIG_COMMANDS([quiet-libtool], [sed -e 's/$echo "copying selected/$show "copying selected/g' < libtool > libtool.tmp && mv libtool.tmp libtool && chmod a+x libtool; sed -e 's/$ECHO "copying selected/# "copying selected/g' < libtool > libtool.tmp && mv libtool.tmp libtool && chmod a+x libtool])
+   AC_CONFIG_COMMANDS([quiet],
+[  for i in `find mono libgc support -name Makefile`; do
+   	   if [ grep -q 'generated by automake' $i ]; then
+	   	  $srcdir/scripts/patch-quiet.sh $i;
+	   fi;
+   done
+], [shell=$SHELL])
+   AC_CONFIG_COMMANDS([quiet-libtool], [sed -e 's/echo "copying selected/# "copying selected/g' < libtool > libtool.tmp && mv libtool.tmp libtool && chmod a+x libtool; sed -e 's/$ECHO "copying selected/# "copying selected/g' < libtool > libtool.tmp && mv libtool.tmp libtool && chmod a+x libtool])
 fi
 
 AC_OUTPUT([
@@ -2924,6 +3116,7 @@ docs/Makefile
 data/Makefile
 data/net_2_0/Makefile
 data/net_4_0/Makefile
+data/net_4_5/Makefile
 data/net_2_0/Browsers/Makefile
 data/mint.pc
 data/mono-2.pc
@@ -2954,6 +3147,9 @@ msvc/Makefile
 po/Makefile
 ])
 
+# Update all submodules recursively to ensure everything is checked out
+$srcdir/scripts/update_submodules
+
 if test x$host_win32 = xyes; then
    # Get rid of 'cyg' prefixes in library names
    sed -e "s/\/cyg\//\/\//" libtool > libtool.new; mv libtool.new libtool; chmod 755 libtool
@@ -2984,7 +3180,6 @@ fi
     echo "exec_prefix=$exec_prefix" >> $mcs_topdir/build/config.make
     echo "sysconfdir=$sysconfdir" >> $mcs_topdir/build/config.make
     echo 'mono_libdir=${exec_prefix}/lib' >> $mcs_topdir/build/config.make
-    echo 'MCS_FLAGS = $(PLATFORM_DEBUG_FLAGS)' >> $mcs_topdir/build/config.make
     echo 'IL_FLAGS = /debug' >> $mcs_topdir/build/config.make
     echo "RUNTIME = $mono_build_root/runtime/mono-wrapper" >> $mcs_topdir/build/config.make
     echo "ILDISASM = $mono_build_root/runtime/monodis-wrapper" >> $mcs_topdir/build/config.make
@@ -3020,7 +3215,7 @@ fi
 	   enable_system_aot=no
 	fi
 
-    if test x$host_win32 = xno -a x$platform_darwin != xyes -a x$enable_system_aot = xyes; then
+    if test x$host_win32 = xno -a x$enable_system_aot = xyes; then
       echo "ENABLE_AOT = 1" >> $mcs_topdir/build/config.make
     fi
 
@@ -3031,6 +3226,10 @@ fi
     if test x$with_moonlight != xno; then
       echo "MOONLIGHT = 1" >> $srcdir/$mcsdir/build/config.make
     fi
+    
+    if test x$with_profile4 != xyes; then
+      echo "DEFAULT_PROFILE = net_2_0" >> $srcdir/$mcsdir/build/config.make
+    fi
 
   fi
 
@@ -3066,13 +3265,13 @@ echo "
 	oprofile:      $OPROFILE
 	BigArrays:     $enable_big_arrays
 	DTrace:        $enable_dtrace
-	Parallel Mark: $enable_parallel_mark
 	LLVM Back End: $enable_llvm (dynamically loaded: $enable_loadedllvm)
 
     Libraries:
 	Moon Profile:  $with_moonlight ($with_moon_gc)
 	MonoDroid:     $with_monodroid
 	MonoTouch:     $with_monotouch
+	Mobile:        $with_mobile
 	JNI support:   $jdk_headers_found
 	libgdiplus:    $libgdiplus_msg
 	zlib:          $zlib_msg