* configure.ac: New switch for disabling -O2 (--disable-optimizations).
[cacao.git] / configure.ac
index f4d3f8000a2a1891efd711c5d09fb4dab0f44df0..7fe231168a3ca119817ff9f5c3336cac8d34be6a 100644 (file)
@@ -1,9 +1,7 @@
 dnl configure.ac
 dnl
-dnl Copyright (C) 1996-2005, 2006, 2007 R. Grafl, A. Krall, C. Kruegel,
-dnl C. Oates, R. Obermaisser, M. Platter, M. Probst, S. Ring,
-dnl E. Steiner, C. Thalinger, D. Thuernbeck, P. Tomsich, C. Ullrich,
-dnl J. Wenninger, Institut f. Computersprachen - TU Wien
+dnl Copyright (C) 1996-2012
+dnl CACAOVM - Verein zur Foerderung der freien virtuellen Maschine CACAO
 dnl 
 dnl This file is part of CACAO.
 dnl 
@@ -21,17 +19,16 @@ dnl You should have received a copy of the GNU General Public License
 dnl along with this program; if not, write to the Free Software
 dnl Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
 dnl 02110-1301, USA.
-dnl 
-dnl $Id: configure.ac 8050 2007-06-08 20:04:34Z twisti $
 
 dnl Process this file with autoconf to produce a configure script.
 
 
-AC_INIT(cacao, 0.98+svn, cacao@cacaojvm.org)
-AC_CONFIG_SRCDIR(src/cacao/cacao.c)
+AC_INIT(cacao, 1.1.0pre2, cacao@cacaojvm.org)
+AC_CONFIG_SRCDIR(src/cacao/cacao.cpp)
+AC_CONFIG_AUX_DIR([.])
 AC_CANONICAL_HOST
 AC_PREREQ(2.59)
-AM_INIT_AUTOMAKE([1.9.0 dist-bzip2])
+AM_INIT_AUTOMAKE([1.9.0 dist-bzip2 tar-ustar])
 AM_MAINTAINER_MODE
 
 AM_CONFIG_HEADER([config.h])
@@ -39,203 +36,290 @@ AM_CONFIG_HEADER([config.h])
 AC_PREFIX_DEFAULT(/usr/local/cacao)
 
 
-dnl set optimization and debugging for all architectures and systems
-if test x"$CFLAGS" = "x"; then
-    OPT_CFLAGS="-O0 -g3"
-else
-    OPT_CFLAGS=$CFLAGS
-fi
-
-dnl system type
+dnl Host CPU type.
 case "$host_cpu" in
 alpha | alphaev56 | alphapca56 )
     ARCH_DIR="alpha"
-    ARCH_CFLAGS="-mieee -D__ALPHA__"
+    ARCH_FLAGS="-mieee -D__ALPHA__"
+    JAVA_ARCH="alpha"
     ;;
 
-arm | armv4 | armv4tl | armv5b | armv5l )
+arm | armv4* | armv5* | armv6* | armv7* )
     ARCH_DIR="arm"
-    ARCH_CFLAGS="-D__ARM__"
+    ARCH_FLAGS="-D__ARM__"
+    JAVA_ARCH="arm"
     ;;
 
 hppa2.0 )
     ARCH_DIR="parisc"
-    ARCH_CFLAGS="-D__PARISC__"
+    ARCH_FLAGS="-D__PARISC__"
+    JAVA_ARCH="hppa"
     ;;
 
 i386 | i486 | i586 | i686 )
     ARCH_DIR="i386"
-    ARCH_CFLAGS="-D__I386__"
+    ARCH_FLAGS="-m32 -D__I386__"
+    JAVA_ARCH="i386"
     ;;
 
 m68k )
     ARCH_DIR="m68k"
-    ARCH_CFLAGS="-D__M68K__"
+    ARCH_FLAGS="-D__M68K__"
+    JAVA_ARCH="m68k"
     ;;
 
-mips | mipsel )
+mips )
     ARCH_DIR="mips"
-    ARCH_CFLAGS="-D__MIPS__"
+    ARCH_FLAGS="-D__MIPS__"
+    JAVA_ARCH="mips"
+    ;;
+
+mipsel )
+    ARCH_DIR="mips"
+    ARCH_FLAGS="-D__MIPS__"
+    JAVA_ARCH="mipsel"
     ;;
 
 powerpc )
     ARCH_DIR="powerpc"
-    ARCH_CFLAGS="-D__POWERPC__"
+    ARCH_FLAGS="-m32 -D__POWERPC__"
+    JAVA_ARCH="ppc"
     ;;
 
 powerpc64 )
     ARCH_DIR="powerpc64"
-    ARCH_CFLAGS="-D__POWERPC64__"
+    ARCH_FLAGS="-m64 -D__POWERPC64__"
+    JAVA_ARCH="ppc64"
     ;;
 
 s390 )
     ARCH_DIR="s390"
-    ARCH_CFLAGS="-D__S390__"
+    ARCH_FLAGS="-D__S390__"
+    JAVA_ARCH="s390"
     ;;
 
 sparc | sparc64 )
     ARCH_DIR="sparc64"
-    ARCH_CFLAGS="-mcpu=v9 -m64 -D__SPARC_64__"
+    ARCH_FLAGS="-mcpu=v9 -m64 -D__SPARC_64__"
+    dnl Is this correct for 64-bits?
+    JAVA_ARCH="sparc"
     ;;
 
 x86_64 )
     ARCH_DIR="x86_64"
-    ARCH_CFLAGS="-D__X86_64__"
+    ARCH_FLAGS="-m64 -D__X86_64__"
+    JAVA_ARCH="amd64"
     ;;
 
 xdspcore )
     ARCH_DIR="xdspcore"
     ENABLE_STATICVM="yes"
-    ARCH_CFLAGS="-D__XDSPCORE__"
+    ARCH_FLAGS="-D__XDSPCORE__"
     USE_SCHEDULER="1"
     ;;
 
 * )
-    AC_MSG_ERROR($host_cpu systems are not supported at this time)
+    AC_MSG_ERROR([$host_cpu systems are currently not supported.])
     ;;
 esac
 
-dnl host type
+
+dnl Host operating system type.
 case "$host_os" in
 *cygwin* )
     OS_DIR="cygwin"
-    INTRP_CFLAGS="$ARCH_CFLAGS -D__WINDOWS__ -D__CYGWIN__ -Wall -Wno-long-long"
-    ARCH_CFLAGS="$ARCH_CFLAGS -D__WINDOWS__ -D__CYGWIN__ -ansi -pedantic -Wall -Wno-long-long"
+    OS_FLAGS="-D__WINDOWS__ -D__CYGWIN__"
+    INTRP_CFLAGS="-Wall -Wno-long-long $ARCH_FLAGS $OS_FLAGS"
     ;;
 
 *darwin* )
     OS_DIR="darwin"
-    INTRP_CFLAGS="$ARCH_CFLAGS -D__DARWIN__ -Wall -Wno-long-long"
-    ARCH_CFLAGS="$ARCH_CFLAGS -D__DARWIN__ -ansi -pedantic -Wall -Wno-long-long"
+    OS_FLAGS="-D__DARWIN__ -D_XOPEN_SOURCE=600 -D_DARWIN_C_SOURCE"
+    INTRP_CFLAGS="-Wall -Wno-long-long $ARCH_FLAGS $OS_FLAGS"
+    ;;
+
+dnl Must be BEFORE *freebsd*.
+*kfreebsd*-gnu)
+    OS_DIR="freebsd"
+    OS_FLAGS="-D__FREEBSD__ -D_POSIX_C_SOURCE=200112L -D_XOPEN_SOURCE=600 -D_XOPEN_SOURCE_EXTENDED -D_BSD_SOURCE"
+    INTRP_CFLAGS="-Wall -Wno-long-long $ARCH_FLAGS $OS_FLAGS"
     ;;
 
 *freebsd* )
     OS_DIR="freebsd"
-    INTRP_CFLAGS="$ARCH_CFLAGS -D__FREEBSD__ -Wall -Wno-long-long -D_XOPEN_SOURCE_EXTENDED"
-    ARCH_CFLAGS="$ARCH_CFLAGS -D__FREEBSD__ -ansi -pedantic -Wall -Wno-long-long -D_XOPEN_SOURCE_EXTENDED"
+    OS_FLAGS="-D__FREEBSD__ -D_XOPEN_SOURCE_EXTENDED"
+    INTRP_CFLAGS="-Wall -Wno-long-long $ARCH_FLAGS $OS_FLAGS"
     ;;
 
 *irix* )
     OS_DIR="irix"
-    INTRP_CFLAGS="$ARCH_CFLAGS -D__IRIX__"
-    ARCH_CFLAGS="$ARCH_CFLAGS -D__IRIX__"
+    OS_FLAGS="-D__IRIX__"
+    INTRP_CFLAGS="$ARCH_FLAGS $OS_FLAGS"
     ;;
 
-*kfreebsd*-gnu)
-    OS_DIR="freebsd"
-    INTRP_CFLAGS="$ARCH_CFLAGS -D__FREEBSD__ -Wall -Wno-long-long -D_POSIX_C_SOURCE=199506L -D_XOPEN_SOURCE=500 -D_XOPEN_SOURCE_EXTENDED -D_BSD_SOURCE"
-    ARCH_CFLAGS="$ARCH_CFLAGS -D__FREEBSD__ -ansi -pedantic -Wall -Wno-long-long -D_POSIX_C_SOURCE=199506L -D_XOPEN_SOURCE=500 -D_XOPEN_SOURCE_EXTENDED -D_BSD_SOURCE"
-    ;;
-
-dnl must be before *linux*
+dnl Must be BEFORE *linux*.
 *uclinux | *elf )
     OS_DIR="uclinux"
-    INTRP_CFLAGS="$ARCH_CFLAGS -D__LINUX__ -Wall -Wno-long-long -D_POSIX_C_SOURCE=199506L -D_XOPEN_SOURCE=500 -D_XOPEN_SOURCE_EXTENDED -D_BSD_SOURCE"
-    ARCH_CFLAGS="$ARCH_CFLAGS -D__LINUX__ -ansi -pedantic -Wall -Wno-long-long -D_POSIX_C_SOURCE=199506L -D_XOPEN_SOURCE=500 -D_XOPEN_SOURCE_EXTENDED -D_BSD_SOURCE"
+    OS_FLAGS="-D__LINUX__ -D_POSIX_C_SOURCE=200112L -D_XOPEN_SOURCE=600 -D_XOPEN_SOURCE_EXTENDED -D_BSD_SOURCE"
+    INTRP_CFLAGS="-Wall -Wno-long-long $ARCH_FLAGS $OS_FLAGS"
     ;;
 
 *linux* | *Linux* )
     OS_DIR="linux"
-    INTRP_CFLAGS="$ARCH_CFLAGS -D__LINUX__ -Wall -Wno-long-long -D_POSIX_C_SOURCE=199506L -D_XOPEN_SOURCE=500 -D_XOPEN_SOURCE_EXTENDED -D_BSD_SOURCE"
-    ARCH_CFLAGS="$ARCH_CFLAGS -D__LINUX__ -ansi -pedantic -Wall -Wno-long-long -D_POSIX_C_SOURCE=199506L -D_XOPEN_SOURCE=500 -D_XOPEN_SOURCE_EXTENDED -D_BSD_SOURCE"
+    OS_FLAGS="-D__LINUX__ -D_POSIX_C_SOURCE=200112L -D_XOPEN_SOURCE=600 -D_XOPEN_SOURCE_EXTENDED -D_BSD_SOURCE"
+    INTRP_CFLAGS="-Wall -Wno-long-long $ARCH_FLAGS $OS_FLAGS"
     ;;
 
 *netbsd* )
     OS_DIR="netbsd"
-    INTRP_CFLAGS="$ARCH_CFLAGS -D__NETBSD__ -Wall -Wno-long-long -D_POSIX_C_SOURCE=199506L -D_XOPEN_SOURCE=500 -D_XOPEN_SOURCE_EXTENDED -D_BSD_SOURCE"
-    ARCH_CFLAGS="$ARCH_CFLAGS -D__NETBSD__ -ansi -pedantic -Wall -Wno-long-long -D_POSIX_C_SOURCE=199506L -D_XOPEN_SOURCE=500 -D_XOPEN_SOURCE_EXTENDED -D_BSD_SOURCE"
+    OS_FLAGS="-D__NETBSD__ -D_POSIX_C_SOURCE=200112L -D_XOPEN_SOURCE=600 -D_XOPEN_SOURCE_EXTENDED -D_BSD_SOURCE"
+    INTRP_CFLAGS="-Wall -Wno-long-long $ARCH_FLAGS $OS_FLAGS"
     ;;
 
 *solaris* )
     OS_DIR="solaris"
-       dnl on solaris the architecture defines 'sparc','sun','unix' are not set when cpp is called with -ansi
-       dnl therefore we add them here
-    INTRP_CFLAGS="$ARCH_CFLAGS -D__SOLARIS__ -Wall -Wno-long-long -D_POSIX_C_SOURCE=199506L -D_XOPEN_SOURCE=500 -D__EXTENSIONS__ -D_BSD_SOURCE -Dsparc -Dsun -Dunix"
-    ARCH_CFLAGS="$ARCH_CFLAGS -D__SOLARIS__ -ansi -pedantic -Wall -Wno-long-long -D_POSIX_C_SOURCE=199506L -D_XOPEN_SOURCE=500 -D__EXTENSIONS__ -D_BSD_SOURCE -Dsparc -Dsun -Dunix"
+    dnl On solaris the architecture defines 'sparc', 'sun', 'unix' are
+    dnl not set when cpp is called with -std=c99, therefore we add them
+    dnl here.
+    OS_FLAGS="-D__SOLARIS__ -D_POSIX_C_SOURCE=200112L -D__EXTENSIONS__ -D_BSD_SOURCE"
+    CC_FLAGS="-D_XOPEN_SOURCE=600"
+    CXX_FLAGS="-D_XOPEN_SOURCE=500"
+    INTRP_CFLAGS="-Wall -Wno-long-long $ARCH_FLAGS $OS_FLAGS"
     ;;
 
 * )
+    AC_MSG_ERROR([$host_os operating systems are currently not supported.])
     ;;
 esac
 
 
-dnl temporary set the CFLAGS for configure tests (e.g. inline keyword)
-dnl we set it properly at the end of this file
-CFLAGS="$ARCH_CFLAGS $OPT_CFLAGS"
+AC_MSG_CHECKING(whether to disable optimizations and build with -g -O0)
+AC_ARG_ENABLE([optimizations],
+              [AS_HELP_STRING(--disable-optimizations,build with -g -O0 [[default=no]])],
+              [case "${enableval}" in
+                   no) disable_optimizations=yes;;
+                   *) disable_optimizations=no;;
+               esac],
+              [disable_optimizations=no])
+AC_MSG_RESULT(${disable_optimizations})
 
-dnl set interpreter flags
-AC_SUBST(INTRP_CFLAGS)
+dnl Set optimization and debugging for all architectures and systems.
+dnl NOTE: Setting the CFLAGS/CXXFLAGS only works before calling AC_PROG_CC/AC_PROG_CXX.
+if test x"$CFLAGS" = "x"; then
+    OPT_CFLAGS="-g"
+else
+    OPT_CFLAGS=$CFLAGS
+fi
+if test x"${disable_optimizations}" = "xyes"; then
+    OPT_CFLAGS="$OPT_CFLAGS -O0"
+else
+    OPT_CFLAGS="$OPT_CFLAGS -O2"
+fi
+OPT_CFLAGS="$OPT_CFLAGS -fno-strict-aliasing"
 
-dnl define some stuff required for --fullversion
-AC_DEFINE_UNQUOTED(VERSION_CONFIGURE_ARGS, "$ac_configure_args", [configure arguments])
-AC_DEFINE_UNQUOTED(VERSION_CC, "$CC", [CC used])
-AC_DEFINE_UNQUOTED(VERSION_CFLAGS, "$OPT_CFLAGS $ARCH_CFLAGS", [CFLAGS used])
+if test x"$CXXFLAGS" = "x"; then
+    OPT_CXXFLAGS="-g"
+else
+    OPT_CXXFLAGS=$CXXFLAGS
+fi
+if test x"${disable_optimizations}" = "xyes"; then
+    OPT_CXXFLAGS="$OPT_CXXFLAGS -O0"
+else
+    OPT_CXXFLAGS="$OPT_CXXFLAGS -O2"
+fi
+OPT_CXXFLAGS="$OPT_CXXFLAGS -fno-strict-aliasing"
 
+dnl Check for compiler.
+AC_PROG_CC
+AC_PROG_CXX
+
+dnl Check compiler vendor.
+AX_COMPILER_VENDOR
+
+dnl Set compiler flags depending on the compiler vendor.
+case "$ax_cv_c_compiler_vendor" in
+gnu )
+    CC_FLAGS="-std=c99 -pedantic -Wall -Wno-long-long $CC_FLAGS"
+    CXX_FLAGS="-std=c++98 -pedantic -Wall -Wno-long-long $CXX_FLAGS"
+    ;;
+
+sgi )
+    CC_FLAGS="-c99 $CC_FLAGS"
+    CXX_FLAGS="$CXX_FLAGS"
+    ;;
+
+sun )
+    CC_FLAGS="-xc99 $CC_FLAGS"
+    CXX_FLAGS="$CXX_FLAGS"
+    ;;
+
+* )    
+    AC_MSG_ERROR([$ax_cv_c_compiler_vendor compilers are currently not supported.])
+    ;;
+esac
+
+dnl Temporary set the CFLAGS for configure tests (e.g. inline keyword)
+dnl we set it properly at the end of this file.
+CFLAGS="$OPT_CFLAGS $ARCH_FLAGS $OS_FLAGS $CC_FLAGS"
+CXXFLAGS="$OPT_CXXFLAGS $ARCH_FLAGS $OS_FLAGS $CXX_FLAGS"
+
+dnl set interpreter flags
+AC_SUBST(INTRP_CFLAGS)
 
 dnl define and substitute some architecture specific variables
 AC_DEFINE_UNQUOTED([ARCH_DIR], "${ARCH_DIR}", [architecture directory])
+AC_DEFINE_UNQUOTED([JAVA_ARCH], "${JAVA_ARCH}", [Java architecture name])
 AC_SUBST(ARCH_DIR)
+AC_SUBST(JAVA_ARCH)
 AC_SUBST(OS_DIR)
 AC_SUBST(USE_SCHEDULER)
 
-
 dnl Checks for programs.
-AC_PROG_CC
 AM_PROG_AS
 AC_PROG_LD
 AC_PROG_LD_GNU
-AC_PROG_RANLIB
 AC_PROG_LN_S
 AC_PROG_MAKE_SET
 AM_PROG_MKDIR_P
 
+AM_CONDITIONAL([WITH_GNU_LD], [test x"$with_gnu_ld" = "xyes"])
+
 dnl Checks for header files.
 AC_HEADER_DIRENT
 AC_HEADER_STDC
 
+dnl Crucial header files.
+AC_CHECK_HEADERS([stdbool.h],, [AC_MSG_ERROR(cannot find stdbool.h)])
+AC_CHECK_HEADERS([stdint.h],, [AC_MSG_ERROR(cannot find stdint.h)])
+
 dnl keep them alpha-sorted!
+AC_CHECK_HEADERS([assert.h])
+AC_CHECK_HEADERS([errno.h])
+AC_CHECK_HEADERS([execinfo.h])
 AC_CHECK_HEADERS([fcntl.h])
+AC_CHECK_HEADERS([libgen.h])
+AC_CHECK_HEADERS([locale.h])
+AC_CHECK_HEADERS([netdb.h])
+AC_CHECK_HEADERS([signal.h])
+AC_CHECK_HEADERS([stdarg.h])
+AC_CHECK_HEADERS([stdint.h])
+AC_CHECK_HEADERS([stdio.h])
 AC_CHECK_HEADERS([stdlib.h])
 AC_CHECK_HEADERS([string.h])
 AC_CHECK_HEADERS([time.h])
+AC_CHECK_HEADERS([ucontext.h])
 AC_CHECK_HEADERS([unistd.h])
+AC_CHECK_HEADERS([mach/mach.h])
 AC_CHECK_HEADERS([sys/ioctl.h])
+AC_CHECK_HEADERS([sys/loadavg.h])
 AC_CHECK_HEADERS([sys/mman.h])
 AC_CHECK_HEADERS([sys/resource.h])
 AC_CHECK_HEADERS([sys/select.h])
+AC_CHECK_HEADERS([sys/socket.h])
 AC_CHECK_HEADERS([sys/stat.h])
 AC_CHECK_HEADERS([sys/time.h])
 AC_CHECK_HEADERS([sys/types.h])
-
-dnl this is for fdlibm
-AC_CHECK_HEADERS([stdint.h])
-AC_CHECK_HEADERS([inttypes.h])
-AC_CHECK_HEADERS([sys/config.h])
-AC_CHECK_HEADERS([sys/types.h])
-AC_EGREP_HEADER(uint32_t, stdint.h, AC_DEFINE(HAVE_INT32_DEFINED, 1, [Define to 1 if you have uint32_t]))
-AC_EGREP_HEADER(uint32_t, inttypes.h, AC_DEFINE(HAVE_INT32_DEFINED, 1, [Define to 1 if you have uint32_t]))
-AC_EGREP_HEADER(u_int32_t, sys/types.h, AC_DEFINE(HAVE_BSD_INT32_DEFINED, 1, [Define to 1 if you have BSD u_int32_t]))
-AC_EGREP_HEADER(u_int32_t, sys/config.h, AC_DEFINE(HAVE_BSD_INT32_DEFINED, 1, [Define to 1 if you have BSD u_int32_t]))
+AC_CHECK_HEADERS([sys/utsname.h])
 
 dnl Checks for typedefs, structures, and compiler characteristics.
 AC_C_CONST
@@ -246,6 +330,14 @@ AC_TYPE_SIZE_T
 AC_HEADER_TIME
 AC_STRUCT_TM
 
+dnl Checks for libraries (NOTE: Should be done before function checks,
+dnl as some functions may be in libraries we check for).
+case "${OS_DIR}" in
+    solaris )
+         AC_CHECK_LIB([socket], [gethostname],, [AC_MSG_ERROR(cannot find libsocket)])
+         ;;
+esac
+
 dnl Checks for library functions.
 AC_PROG_GCC_TRADITIONAL
 AC_TYPE_SIGNAL
@@ -253,29 +345,79 @@ AC_FUNC_MEMCMP
 AC_FUNC_MMAP
 
 dnl keep them alpha-sorted!
+AC_CHECK_FUNCS([abort])
+AC_CHECK_FUNCS([accept])
+AC_CHECK_FUNCS([access])
+AC_CHECK_FUNCS([atoi])
+AC_CHECK_FUNCS([atol])
+AC_CHECK_FUNCS([backtrace])
+AC_CHECK_FUNCS([backtrace_symbols])
 AC_CHECK_FUNCS([calloc])
+AC_CHECK_FUNCS([close])
 AC_CHECK_FUNCS([confstr])
+AC_CHECK_FUNCS([connect])
+AC_CHECK_FUNCS([dirname])
+AC_CHECK_FUNCS([fclose])
+AC_CHECK_FUNCS([fflush])
+AC_CHECK_FUNCS([fopen])
+AC_CHECK_FUNCS([fprintf])
+AC_CHECK_FUNCS([vfprintf])
+AC_CHECK_FUNCS([fread])
 AC_CHECK_FUNCS([free])
 AC_CHECK_FUNCS([fstat])
+AC_CHECK_FUNCS([fsync])
+AC_CHECK_FUNCS([ftruncate])
 AC_CHECK_FUNCS([getcwd])
+AC_CHECK_FUNCS([getenv])
+AC_CHECK_FUNCS([gethostbyname])
+AC_CHECK_FUNCS([gethostname])
+AC_CHECK_FUNCS([getloadavg])
 AC_CHECK_FUNCS([getpagesize])
+AC_CHECK_FUNCS([getpid])
 AC_CHECK_FUNCS([getrusage])
+AC_CHECK_FUNCS([getsockname])
+AC_CHECK_FUNCS([getsockopt])
 AC_CHECK_FUNCS([gettimeofday])
+AC_CHECK_FUNCS([htons])
 AC_CHECK_FUNCS([ioctl])
 AC_CHECK_FUNCS([isnan])
+AC_CHECK_FUNCS([listen])
 AC_CHECK_FUNCS([localtime])
 AC_CHECK_FUNCS([localtime_r])
 AC_CHECK_FUNCS([lseek])
+AC_CHECK_FUNCS([malloc])
+AC_CHECK_FUNCS([memcpy])
+AC_CHECK_FUNCS([memset])
 AC_CHECK_FUNCS([mmap])
 AC_CHECK_FUNCS([mprotect])
 AC_CHECK_FUNCS([open])
+AC_CHECK_FUNCS([printf])
+AC_CHECK_FUNCS([read])
+AC_CHECK_FUNCS([readlink])
+AC_CHECK_FUNCS([realloc])
+AC_CHECK_FUNCS([recv])
 AC_CHECK_FUNCS([scandir])
 AC_CHECK_FUNCS([select])
+AC_CHECK_FUNCS([send])
+AC_CHECK_FUNCS([setlocale])
+AC_CHECK_FUNCS([setsockopt])
+AC_CHECK_FUNCS([shutdown])
+AC_CHECK_FUNCS([socket])
+AC_CHECK_FUNCS([stat])
+AC_CHECK_FUNCS([str2sig])
+AC_CHECK_FUNCS([strcat])
+AC_CHECK_FUNCS([strchr])
+AC_CHECK_FUNCS([strcpy])
+AC_CHECK_FUNCS([strcmp])
 AC_CHECK_FUNCS([strdup])
 AC_CHECK_FUNCS([strerror])
+AC_CHECK_FUNCS([strlen])
+AC_CHECK_FUNCS([strncmp])
 AC_CHECK_FUNCS([strstr])
 AC_CHECK_FUNCS([time])
+AC_CHECK_FUNCS([write])
 
+AM_LC_MESSAGES
 
 dnl Checks for libraries.
 
@@ -305,371 +447,40 @@ AC_DEFINE_UNQUOTED([CACAO_LIBDIR], "${CACAO_LIBDIR}", [library installation pref
 AC_SUBST(CACAO_LIBDIR)
 
 
-dnl Features
-
+AC_CHECK_ENABLE_DL
 AC_CHECK_ENABLE_JAVA
-AC_CHECK_ENABLE_JIT
-
-dnl with-options
-AC_CHECK_WITH_CACAOH
-
-dnl check for stuff that should be done in software
-AC_CHECK_SOFTFLOAT
-AC_CHECK_SOFT_FLOAT_CMP
-AC_CHECK_SOFT_DOUBLE_CMP
 
-
-dnl check for interpreter
-AC_ARG_ENABLE([intrp], [AS_HELP_STRING(--enable-intrp,enable interpreter [[default=no]])])
-
-AC_MSG_CHECKING(whether interpreter should be compiled)
-if test x"$enable_intrp" = "xyes"; then
-    AC_MSG_RESULT(yes)
-    AC_DEFINE([ENABLE_INTRP], 1, [enable interpreter])
-    AM_CONDITIONAL([ENABLE_INTRP], [true])
-    ENABLE_INTRP=yes
-
-    AC_ASM_SKIP16
-
-    dnl check for libffi
-    AC_ARG_WITH([ffi],
-                [AS_HELP_STRING(--with-ffi,use libffi to call native functions)],
-                [WITH_FFI=yes
-                 AC_CHECK_HEADERS([ffi.h],, [AC_MSG_ERROR(cannot find ffi.h)])
-                 AC_CHECK_LIB(ffi, ffi_call,, [AC_MSG_ERROR(cannot find libffi)])
-                 AC_DEFINE([WITH_FFI], 1, [use libffi])],
-                [WITH_FFI=no])
-
-    dnl check for libffcall
-    AC_ARG_WITH([ffcall],
-                [AS_HELP_STRING(--with-ffcall,use libffcall to call native functions)],
-                [WITH_FFCALL=yes
-                 AC_CHECK_HEADERS([avcall.h],, [AC_MSG_ERROR(cannot find avcall.h)])
-                 AC_CHECK_LIB(avcall, __builtin_avcall,, [AC_MSG_ERROR(cannot find libavcall (from libffcall))])
-                 AC_DEFINE([WITH_FFCALL], 1, [use libffcall])],
-                [WITH_FFCALL=no])
-
-    dnl check for libffi or libffcall
-    if test x"${WITH_FFI}" = "xyes" -a x"${WITH_FFCALL}" = "xyes"; then
-        AC_ERROR(Enable only libffi or libffcall.)
-    fi
-    if test x"${WITH_FFI}" = "xno" -a x"${WITH_FFCALL}" = "xno"; then
-        AC_ERROR(Enable one of libffi or libffcall.)
-    fi
-
-else
-    AC_MSG_RESULT(no)
-    AM_CONDITIONAL([ENABLE_INTRP], [false])
-    ENABLE_INTRP="no"
-fi
+AC_CHECK_ENABLE_JIT
+AC_CHECK_ENABLE_INTRP
 
 if test x"${ENABLE_JIT}" = "xno" -a x"${ENABLE_INTRP}" = "xno"; then
     AC_ERROR(You have to enable at least the JIT or the interpreter.)
 fi
 
+AC_CHECK_SOFTFLOAT
+AC_CHECK_SOFT_FLOAT_CMP
+AC_CHECK_SOFT_DOUBLE_CMP
 
-dnl check for garbage collector usage
-AC_ARG_ENABLE([gc], [AS_HELP_STRING(--enable-gc,enable garbage collector support (none,boehm,cacao) [[default=boehm]])])
-AC_MSG_CHECKING(whether GC should be enabled)
-enable_gc=${enable_gc:-boehm}
-case "$enable_gc" in
-no | none)
-    AC_DEFINE([DISABLE_GC], 1, [disable garbage collector])
-    ENABLE_GC=none
-    AC_MSG_RESULT(no)
-    ;;
-
-boehm)
-    AC_DEFINE([ENABLE_GC_BOEHM], 1, [enable conservative boehm-gc])
-    ENABLE_GC=boehm
-    AC_MSG_RESULT(yes, boehm-gc)
-    ;;
-
-cacao)
-    AC_DEFINE([ENABLE_GC_CACAO], 1, [enable exact cacao-gc])
-    ENABLE_GC=cacao
-    AC_MSG_RESULT(yes, cacao-gc)
-    ;;
-
-*)
-    AC_MSG_ERROR($enable_gc is an unknown garbage collector package)
-    ;;
-esac
-AM_CONDITIONAL([DISABLE_GC], test x"${ENABLE_GC}" = "xnone")
-AM_CONDITIONAL([ENABLE_GC_BOEHM], test x"${ENABLE_GC}" = "xboehm")
-AM_CONDITIONAL([ENABLE_GC_CACAO], test x"${ENABLE_GC}" = "xcacao")
-
-
-
-dnl check for dump memory usage
-AC_MSG_CHECKING(whether dump memory should be disabled)
-AC_ARG_ENABLE([dump],
-              [AS_HELP_STRING(--disable-dump,disable dump memory (for debugging only!) [[default=yes]])],
-              [case "${enableval}" in
-                   no)
-                       DISABLE_DUMP=yes
-                       AC_DEFINE([DISABLE_DUMP], 1, [disable dump memory])
-                       ;;
-                   *) DISABLE_DUMP=no;;
-               esac],
-               [DISABLE_DUMP=no])
-AC_MSG_RESULT(${DISABLE_DUMP})
-
-
-dnl check for debug
-AC_MSG_CHECKING(whether debug code generation should be enabled)
-AC_ARG_ENABLE([debug],
-              [AS_HELP_STRING(--disable-debug,disable debug code generation [[default=yes]])],
-              [case "${enableval}" in
-                   no) NDEBUG=yes
-                       AC_DEFINE([NDEBUG], 1, [disable debug code])
-                       ;;
-                   *) NDEBUG=no;;
-               esac],
-              [NDEBUG=no])
-
-if test x"${NDEBUG}" = "xno"; then
-    AC_MSG_RESULT(yes)
-else
-    AC_MSG_RESULT(no)
-fi
-AM_CONDITIONAL([NDEBUG], test x"${NDEBUG}" = "xyes")
-
-
-dnl check for memcheck support
-AC_MSG_CHECKING(whether debugging memory checks should be enabled)
-AC_ARG_ENABLE([memcheck],
-              [AS_HELP_STRING(--enable-memcheck,enable debugging memory checks [[default=no]])],
-              [case "${enableval}" in
-                   yes) ENABLE_MEMCHECK=yes;;
-                   *) ENABLE_MEMCHECK=no;;
-               esac],
-              [ENABLE_MEMCHECK=no])
-AC_MSG_RESULT(${ENABLE_MEMCHECK})
-AM_CONDITIONAL([ENABLE_MEMCHECK], test x"${ENABLE_MEMCHECK}" = "xyes")
-
-if test x"${ENABLE_MEMCHECK}" = "xyes"; then
-    AC_DEFINE([ENABLE_MEMCHECK], 1, [perform debugging memory checks])
-fi
-
-
-dnl check for vmlog support
-AC_MSG_CHECKING(whether vmlog tracing should be enabled)
-AC_ARG_ENABLE([vmlog],
-              [AS_HELP_STRING(--enable-vmlog,enable vmlog tracing [[default=no]])],
-              [case "${enableval}" in
-                   yes) ENABLE_VMLOG=yes;;
-                   *) ENABLE_VMLOG=no;;
-               esac],
-              [ENABLE_VMLOG=no])
-AC_MSG_RESULT(${ENABLE_VMLOG})
-AM_CONDITIONAL([ENABLE_VMLOG], test x"${ENABLE_VMLOG}" = "xyes")
-
-if test x"${ENABLE_VMLOG}" = "xyes"; then
-    AC_DEFINE([ENABLE_VMLOG], 1, [enable vmlog tracing code])
-fi
-
-
-dnl check for disassembler support
-AC_MSG_CHECKING(whether disassembler should be enabled)
-AC_ARG_ENABLE([disassembler],
-              [AS_HELP_STRING(--enable-disassembler,enable disassembler [[default=no]])],
-              [case "${enableval}" in
-                   yes) ENABLE_DISASSEMBLER=yes;;
-                   *) ENABLE_DISASSEMBLER=no;;
-               esac],
-              [ENABLE_DISASSEMBLER=no])
-AC_MSG_RESULT(${ENABLE_DISASSEMBLER})
-AM_CONDITIONAL([ENABLE_DISASSEMBLER], test x"${ENABLE_DISASSEMBLER}" = "xyes")
-
-if test x"${ENABLE_DISASSEMBLER}" = "xyes"; then
-    AC_DEFINE([ENABLE_DISASSEMBLER], 1, [enable disassembler])
-
-    dnl check for binutils headers and libraries on some architectures for the
-    dnl disassembler
-    case "${ARCH_DIR}" in
-        arm | i386 | powerpc | x86_64 | sparc64 | powerpc64 | s390 | m68k)
-            AC_CHECK_HEADER([ansidecl.h],, [AC_MSG_ERROR(cannot find ansidecl.h)])
-            AC_CHECK_HEADER([symcat.h],, [AC_MSG_ERROR(cannot find symcat.h)])
-            AC_CHECK_HEADER([bfd.h],, [AC_MSG_ERROR(cannot find bfd.h)])
-            AC_CHECK_HEADER([dis-asm.h],, [AC_MSG_ERROR(cannot find dis-asm.h)])
-
-            case "${OS_DIR}" in
-                cygwin | darwin | netbsd | solaris)
-                     AC_CHECK_LIB(intl, dcgettext,, [AC_MSG_ERROR(cannot find libintl (from binutils))])
-                     ;;
-            esac
-
-            AC_CHECK_LIB(iberty, xstrerror,, [AC_MSG_ERROR(cannot find libiberty (from binutils))])
-            AC_CHECK_LIB(bfd, bfd_get_arch,, [AC_MSG_ERROR(cannot find libbfd (from binutils))])
-            AC_CHECK_LIB(opcodes, disassembler,, [AC_MSG_ERROR(cannot find libopcodes (from binutils))])
-            AC_DEFINE([WITH_BINUTILS_DISASSEMBLER], 1, [use binutils disassembler])
-            AM_CONDITIONAL([WITH_BINUTILS_DISASSEMBLER], [true])
-            ;;
-        * )
-            AM_CONDITIONAL([WITH_BINUTILS_DISASSEMBLER], [false])
-            ;;
-    esac
-else
-    AM_CONDITIONAL([WITH_BINUTILS_DISASSEMBLER], [false])
-fi
-
-
-dnl check for statistics
-AC_MSG_CHECKING(whether statistics generation should be enabled)
-AC_ARG_ENABLE([statistics],
-              [AS_HELP_STRING(--enable-statistics,enable statistics generation [[default=no]])],
-              [case "${enableval}" in
-                   yes) ENABLE_STATISTICS=yes;;
-                   *) ENABLE_STATISTICS=no;;
-               esac],
-              [ENABLE_STATISTICS=no])
-AC_MSG_RESULT(${ENABLE_STATISTICS})
-AM_CONDITIONAL([ENABLE_STATISTICS], test x"${ENABLE_STATISTICS}" = "xyes")
-
-if test x"${ENABLE_STATISTICS}" = "xyes"; then
-    AC_DEFINE([ENABLE_STATISTICS], 1, [enable statistics])
-fi
-
-
-dnl check for verifier
-AC_MSG_CHECKING(whether classfile verification should be enabled)
-AC_ARG_ENABLE([verifier],
-              [AS_HELP_STRING(--disable-verifier,disable classfile verification [[default=yes]])],
-              [case "${enableval}" in
-                   no) ENABLE_VERIFIER=no;;
-                   *) ENABLE_VERIFIER=yes;;
-               esac],
-              [ENABLE_VERIFIER=yes])
-AC_MSG_RESULT(${ENABLE_VERIFIER})
-AM_CONDITIONAL([ENABLE_VERIFIER], test x"${ENABLE_VERIFIER}" = "xyes")
-
-if test x"${ENABLE_VERIFIER}" = "xyes"; then
-    AC_DEFINE([ENABLE_VERIFIER], 1, [enable classfile verification])
-fi
-
-
-dnl check for compiler timing
-AC_MSG_CHECKING(whether real-time timing should be enabled)
-AC_ARG_ENABLE([rt-timing],
-              [AS_HELP_STRING(--enable-rt-timing,enable real-time timing [[default=no]])],
-              [case "${enableval}" in
-                   yes) ENABLE_RT_TIMING=yes;;
-                   *) ENABLE_RT_TIMING=no;;
-               esac],
-              [ENABLE_RT_TIMING=no])
-AC_MSG_RESULT(${ENABLE_RT_TIMING})
-AM_CONDITIONAL([ENABLE_RT_TIMING], test x"${ENABLE_RT_TIMING}" = "xyes")
-
-if test x"${ENABLE_RT_TIMING}" = "xyes"; then
-    AC_DEFINE([ENABLE_RT_TIMING], 1, [enable real-time timing])
-fi
-
-
-dnl check for cycle count statistics
-AC_MSG_CHECKING(whether cycle count statistics should be enabled)
-AC_ARG_ENABLE([cycles-stats],
-              [AS_HELP_STRING(--enable-cycles-stats,enable cycle count statistics [[default=no]])],
-              [case "${enableval}" in
-                   yes) ENABLE_CYCLES_STATS=yes;;
-                   *) ENABLE_CYCLES_STATS=no;;
-               esac],
-              [ENABLE_CYCLES_STATS=no])
-AC_MSG_RESULT(${ENABLE_CYCLES_STATS})
-AM_CONDITIONAL([ENABLE_CYCLES_STATS], test x"${ENABLE_CYCLES_STATS}" = "xyes")
-
-if test x"${ENABLE_CYCLES_STATS}" = "xyes"; then
-    AC_DEFINE([ENABLE_CYCLES_STATS], 1, [enable cycle count statistics])
-fi
-
-
-dnl check for JVMTI
-AC_MSG_CHECKING(whether to compile JVMTI support)
-AC_ARG_ENABLE([jvmti],
-              [AS_HELP_STRING(--enable-jvmti,enable JVMTI [[default=no]])],
-              [case "${enableval}" in
-                   yes) ENABLE_JVMTI=yes;;
-                   *) ENABLE_JVMTI=no;;
-               esac],
-              [ENABLE_JVMTI=no])
-AC_MSG_RESULT(${ENABLE_JVMTI})
-AM_CONDITIONAL([ENABLE_JVMTI], test x"${ENABLE_JVMTI}" = "xyes")
-
-if test x"${ENABLE_JVMTI}" = "xyes"; then
-    AC_DEFINE([ENABLE_JVMTI], 1, [use JVMTI])
-fi
-
-
+AC_CHECK_ENABLE_GC
+AC_CHECK_ENABLE_DEBUG
+AC_CHECK_ENABLE_DUMP
+AC_CHECK_ENABLE_MEMCHECK
+AC_CHECK_ENABLE_HANDLES
+AC_CHECK_ENABLE_VMLOG
+AC_CHECK_ENABLE_DISASSEMBLER
+AC_CHECK_ENABLE_STATISTICS
+AC_CHECK_ENABLE_VERIFIER
+AC_CHECK_ENABLE_RT_TIMING
+AC_CHECK_ENABLE_CYCLE_STATS
+AC_CHECK_ENABLE_JVMTI
 AC_CHECK_ENABLE_THREADS
-
-
-dnl check if if-conversion should be supported
-AC_MSG_CHECKING(whether if-conversion should be supported)
-AC_ARG_ENABLE([ifconv],
-              [AS_HELP_STRING(--disable-ifconv,disable if-conversion [[default=yes]])],
-              [case "${enableval}" in
-                   no) ENABLE_IFCONV=no;;
-                   *) ENABLE_IFCONV=yes;;
-               esac],
-              [ENABLE_IFCONV=yes])
-AC_MSG_RESULT(${ENABLE_IFCONV})
-AM_CONDITIONAL([ENABLE_IFCONV], test x"${ENABLE_IFCONV}" = "xyes")
-   
-if test x"${ENABLE_IFCONV}" = "xyes"; then
-    AC_DEFINE([ENABLE_IFCONV], 1, [enable if-conversion])
-fi
-
-
-dnl check for inlining
-AC_MSG_CHECKING(whether method inlining should be supported)
-AC_ARG_ENABLE([inlining],
-              [AS_HELP_STRING(--enable-inlining,enable method inlining [[default=no]])],
-              [case "${enableval}" in
-                   yes) ENABLE_INLINING=yes;;
-                   *) ENABLE_INLINING=no;;
-               esac],
-              [ENABLE_INLINING=no])
-AC_MSG_RESULT(${ENABLE_INLINING})
-AM_CONDITIONAL([ENABLE_INLINING], test x"${ENABLE_INLINING}" = "xyes")
-
-if test x"${ENABLE_INLINING}" = "xyes"; then
-    AC_DEFINE([ENABLE_INLINING], 1, [use method inlining])
+if test x"${ENABLE_THREADS}" != "xno"; then
+    AC_CHECK_USE___THREAD
 fi
-
-
-dnl check for inlining debug options
-AC_MSG_CHECKING(whether method inlining debug options should be enabled)
-AC_ARG_ENABLE([inlining-debug],
-              [AS_HELP_STRING(--enable-inlining-debug,enable method inlining debug options [[default=no]])],
-              [case "${enableval}" in
-                   yes) ENABLE_INLINING_DEBUG=yes;;
-                   *) ENABLE_INLINING_DEBUG=no;;
-               esac],
-              [ENABLE_INLINING_DEBUG=no])
-AC_MSG_RESULT(${ENABLE_INLINING_DEBUG})
-AM_CONDITIONAL([ENABLE_INLINING_DEBUG], test x"${ENABLE_INLINING_DEBUG}" = "xyes")
-
-if test x"${ENABLE_INLINING_DEBUG}" = "xyes"; then
-    AC_DEFINE([ENABLE_INLINING_DEBUG], 1, [enable method inlining debug options])
-fi
-
-
-dnl check for replacement
-AC_MSG_CHECKING(whether on-stack replacement should be supported)
-AC_ARG_ENABLE([replacement],
-              [AS_HELP_STRING(--enable-replacement,enable on-stack replacement [[default=no]])],
-              [case "${enableval}" in
-                   yes) ENABLE_REPLACEMENT=yes;;
-                   *) ENABLE_REPLACEMENT=no;;
-               esac],
-              [ENABLE_REPLACEMENT=no])
-AC_MSG_RESULT(${ENABLE_REPLACEMENT})
-AM_CONDITIONAL([ENABLE_REPLACEMENT], test x"${ENABLE_REPLACEMENT}" = "xyes")
-
-if test x"${ENABLE_REPLACEMENT}" = "xyes"; then
-    AC_DEFINE([ENABLE_REPLACEMENT], 1, [use on-stack replacement])
-fi
-
+AC_CHECK_ENABLE_IFCONV
+AC_CHECK_ENABLE_INLINING
+AC_CHECK_ENABLE_INLINING_DEBUG
+AC_CHECK_ENABLE_REPLACEMENT
 
 dnl check for loop optimization
 AC_MSG_CHECKING(whether loop optimization should be supported)
@@ -691,7 +502,7 @@ fi
 dnl check if linear scan register allocator(lsra) with SSA should be used
 AC_MSG_CHECKING(whether lsra with ssa should be supported)
 AC_ARG_ENABLE([ssa],
-              [AS_HELP_STRING(--disable-ssa,disable ssa [[default=no]])],
+              [AS_HELP_STRING(--disable-ssa,disable ssa [[default=disabled]])],
               [case "${enableval}" in
                    no) ENABLE_SSA=no;;
                    *) ENABLE_SSA=yes;;
@@ -699,9 +510,15 @@ AC_ARG_ENABLE([ssa],
               [ENABLE_SSA=no])
 AC_MSG_RESULT(${ENABLE_SSA})
 AM_CONDITIONAL([ENABLE_SSA], test x"${ENABLE_SSA}" = "xyes")
+AM_CONDITIONAL([ENABLE_ESCAPE], test x"${ENABLE_SSA}" = "xyes")
+AM_CONDITIONAL([ENABLE_ESCAPE_CHECK], test x"${ENABLE_SSA}" = "xyes")
+AM_CONDITIONAL([ENABLE_TLH], test x"${ENABLE_SSA}" = "xyes")
 
 if test x"${ENABLE_SSA}" = "xyes"; then
     AC_DEFINE([ENABLE_SSA], 1, [enable lsra with ssa])
+    AC_DEFINE([ENABLE_ESCAPE], 1, [enable escape analysis with ssa])
+    AC_DEFINE([ENABLE_ESCAPE_CHECK], 1, [enable generating code to validate escape analysis results])
+    AC_DEFINE([ENABLE_TLH], 1, [enable thread local heap])
     ENABLE_LSRA="no"
 fi
 
@@ -728,7 +545,6 @@ if test x"${ENABLE_LSRA}" = "xyes"; then
     AC_DEFINE([ENABLE_LSRA], 1, [enable lsra])
 fi
 
-
 dnl check if profiling should be supported
 AC_MSG_CHECKING(whether profiling should be supported)
 AC_ARG_ENABLE([profiling],
@@ -767,140 +583,80 @@ else
        AM_CONDITIONAL([USE_SCHEDULER], [false])
 fi
 
+AC_CHECK_ENABLE_OPAGENT
 
-dnl check if zlib should be used
-AC_MSG_CHECKING(whether ZIP/JAR archives should be supported)
-AC_ARG_ENABLE([zlib],
-              [AS_HELP_STRING(--disable-zlib,disable ZIP/JAR archive support (needs zlib) [[default=yes]])],
-              [case "${enableval}" in
-                  no) ENABLE_ZLIB=no;;
-                  *) ENABLE_ZLIB=yes;;
-               esac],
-              [ENABLE_ZLIB=yes])
-AC_MSG_RESULT(${ENABLE_ZLIB})
-
-if test x"${ENABLE_ZLIB}" = "xyes"; then
-    AC_CHECK_HEADERS([zconf.h],, [AC_MSG_ERROR(cannot find zconf.h)])
-    AC_CHECK_HEADERS([zlib.h],, [AC_MSG_ERROR(cannot find zlib.h)])
-    AC_CHECK_LIB(z, inflate,, [AC_MSG_ERROR(cannot find libz)])
-    AC_DEFINE([ENABLE_ZLIB], 1, [use zlib])
-fi
-AM_CONDITIONAL([ENABLE_ZLIB], test x"${ENABLE_ZLIB}" = "xyes")
-
+AC_CHECK_ENABLE_ZLIB
 
 dnl check for stuff to be built
 AC_CHECK_ENABLE_JNI
+AC_CHECK_ENABLE_LIBJVM
+
+dnl ATTENTION: These check must be after setting
+dnl enable_shared/enable_static (happens in AC_CHECK_ENABLE_LIBJVM),
+dnl because libtool uses them to build the correct libraries.
+AC_LIBTOOL_DLOPEN
+AC_PROG_LIBTOOL
 
+AC_CHECK_ENABLE_STATICVM
+AC_CHECK_ENABLE_ANNOTATIONS
+AC_CHECK_ENABLE_ASSERTION
 
-dnl check if a libjvm.so should be built
-AC_MSG_CHECKING(whether to build a libjvm.so)
-AC_ARG_ENABLE([libjvm],
-              [AS_HELP_STRING(--disable-libjvm,build a libjvm.so [[default=yes]])],
-              [case "${enableval}" in
-                  no) ENABLE_LIBJVM=no;;
-                  *) ENABLE_LIBJVM=yes;;
-               esac],
-              [ENABLE_LIBJVM=yes])
-AC_MSG_RESULT(${ENABLE_LIBJVM})
-AM_CONDITIONAL([ENABLE_LIBJVM], test x"${ENABLE_LIBJVM}" = "xyes")
-AC_SUBST(ENABLE_LIBJVM)
+dnl This one depends on AC_CHECK_ENABLE_ZLIB.
+AC_CHECK_WITH_VM_ZIP
+AC_CHECK_WITH_HGREV
 
-if test x"${ENABLE_LIBJVM}" = "xyes"; then
-    AC_DEFINE([ENABLE_LIBJVM], 1, [enable libjvm.so])
+AC_CHECK_WITH_JAVA_RUNTIME_LIBRARY
 
-    dnl set AC_ENABLE_SHARED and AC_DISABLE_STATIC properly
-    enable_shared=yes
-    enable_static=no
-else
-    enable_shared=no
-    enable_static=yes
-fi
+dnl Now we check for jre-layout so we can skip some checks that are
+dnl not required.
+AC_CHECK_ENABLE_JRE_LAYOUT
 
-dnl libtool stuff
-AC_LIBTOOL_DLOPEN
-AC_PROG_LIBTOOL
+AC_CHECK_WITH_JAVA_RUNTIME_LIBRARY_PREFIX
+AC_CHECK_WITH_JAVA_RUNTIME_LIBRARY_CLASSES
+AC_CHECK_WITH_BUILD_JAVA_RUNTIME_LIBRARY_CLASSES
 
+if test x"${ENABLE_JRE_LAYOUT}" = "xno"; then
+   AC_CHECK_WITH_JAVA_RUNTIME_LIBRARY_LIBDIR
+fi
 
-dnl check if CACAO should be linked statically
-AC_MSG_CHECKING(whether to link CACAO statically)
-AC_ARG_ENABLE([staticvm],
-              [AS_HELP_STRING(--enable-staticvm,link CACAO statically [[default=no]])],
-              [case "${enableval}" in
-                  yes) ENABLE_STATICVM=yes
-                       AC_DEFINE([ENABLE_STATICVM], 1, [link CACAO statically])
-                       ;;
-                  *) ENABLE_STATICVM=no;;
-               esac],
-              [ENABLE_STATICVM=no])
-AC_MSG_RESULT(${ENABLE_STATICVM})
-AM_CONDITIONAL([ENABLE_STATICVM], test x"${ENABLE_STATICVM}" = "xyes")
-AC_SUBST(ENABLE_STATICVM)
-
-
-dnl where is CACAO's vm.zip
-AC_MSG_CHECKING(where CACAO's vm.zip is installed)
-AC_ARG_WITH([vm-zip],
-            [AS_HELP_STRING(--with-vm-zip=<path>,path to CACAO's vm.zip (includes the name of the file and may be flat) [[default=/usr/local/cacao/share/cacao/vm.zip]])],
-            [CACAO_VM_ZIP=${withval}],
-            [CACAO_VM_ZIP=${CACAO_PREFIX}/share/cacao/vm.zip])
-AC_MSG_RESULT(${CACAO_VM_ZIP})
-AC_DEFINE_UNQUOTED([CACAO_VM_ZIP], "${CACAO_VM_ZIP}", [CACAO's vm.zip])
-AC_SUBST(CACAO_VM_ZIP)
-
-
-AC_CHECK_WITH_CLASSPATH
-AC_CHECK_WITH_CLASSPATH_PREFIX
-AC_CHECK_WITH_CLASSPATH_CLASSES
-AC_CHECK_WITH_CLASSPATH_LIBDIR
-AC_CHECK_WITH_CLASSPATH_INCLUDEDIR
-
-
-dnl if we compile for a JRE-style directory layout
-AC_MSG_CHECKING(if we compile for a JRE-style directory layout)
-AC_ARG_WITH([jre-layout],
-            [AS_HELP_STRING(--with-jre-layout,compile for JRE-style directory layout [[default=no]])],
-            [case "${enableval}" in
-                yes) WITH_JRE_LAYOUT=yes
-                     AC_DEFINE([WITH_JRE_LAYOUT], 1, [with JRE layout])
-                     ;;
-                *) WITH_JRE_LAYOUT=no;;
-             esac],
-            [WITH_JRE_LAYOUT=no])
-AC_MSG_RESULT(${WITH_JRE_LAYOUT})
-
-
-dnl check if GNU Classpath should be linked statically into CACAO
-AC_MSG_CHECKING(whether to link GNU Classpath native libraries statically into CACAO)
-AC_ARG_WITH([static-classpath],
-            [AS_HELP_STRING(--with-static-classpath,link GNU classpath native libraries statically into CACAO [[default=no]])],
-            [case "${enableval}" in
-                yes) WITH_STATIC_CLASSPATH=yes;;
-                *) WITH_STATIC_CLASSPATH=no;;
-             esac],
-            [WITH_STATIC_CLASSPATH=no])
-AC_MSG_RESULT(${WITH_STATIC_CLASSPATH})
-
-if test x"${WITH_STATIC_CLASSPATH}" = "xyes"; then
-    AC_DEFINE([WITH_STATIC_CLASSPATH], 1, [link GNU classpath native libraries statically into CACAO])
-
-    dnl check for some classpath related stuff when we link statically
-    AM_ICONV_LINK
-else
-    dnl we need this check for --enable-staticvm, otherwise ltdl can't find dlopen
-    if test x"${ENABLE_STATICVM}" = "xyes"; then
-        AC_CHECK_LIB(dl, dlopen,, [AC_MSG_ERROR(cannot find libdl)])
-    fi
+dnl The check for jni_md.h must be before jni.h.
+AC_CHECK_WITH_JNI_MD_H
+AC_CHECK_WITH_JNI_H
 
-    AC_CHECK_HEADERS([ltdl.h],, [AC_MSG_ERROR(cannot find ltdl.h)])
-    AC_CHECK_LIB(ltdl, lt_dlopen,, [AC_MSG_ERROR(cannot find libltdl)])
+dnl The jvmti.h header is only required if JVMTI is enabled.
+if test x"${ENABLE_JVMTI}" = "xyes"; then
+    AC_CHECK_WITH_JVMTI_H
 fi
-AM_CONDITIONAL([WITH_STATIC_CLASSPATH], test x"${WITH_STATIC_CLASSPATH}" = "xyes")
-AC_SUBST(WITH_STATIC_CLASSPATH)
 
+dnl JVM, HPI, and JMM is only required for OpenJDK.
+case "${WITH_JAVA_RUNTIME_LIBRARY}" in
+    openjdk)
+        AC_CHECK_WITH_JVM_MD_H
+        AC_CHECK_WITH_JVM_H
+        AC_CHECK_WITH_HPI_MD_H
+        AC_CHECK_WITH_HPI_H
+        AC_CHECK_WITH_JMM_H
+        ;;
+    *)
+        ;;
+esac
 
 dnl check for some programs we need
-AC_PROG_JAVAC
-AC_PROG_JAR
+
+case "${WITH_JAVA_RUNTIME_LIBRARY}" in
+    cldc1.1 | gnuclasspath)
+        AC_PROG_JAVAC
+        AC_PROG_JAR
+        ;;
+    openjdk)
+        ;;
+    *)
+        AC_MSG_ERROR(unknown classpath configuration ${WITH_JAVA_RUNTIME_LIBRARY})
+        ;;
+esac
+
+AC_CHECK_WITH_JASMIN_JAR
+AC_CHECK_WITH_JUNIT_JAR
 
 AC_CHECK_HEADERS(
        [regex.h], 
@@ -917,10 +673,34 @@ AC_CHECK_HEADERS(
        ]
 )
 
-dnl finally pass CFLAGS to Makefiles via AM_CFLAGS
-CFLAGS=$OPT_CFLAGS
-AM_CFLAGS=$ARCH_CFLAGS
+dnl python
+
+AZ_PYTHON_DEFAULT
+AZ_PYTHON_ENABLE
+AZ_PYTHON_WITH
+AZ_PYTHON_VERSION_ENSURE( [2.4] )
+AZ_PYTHON_CSPEC
+AZ_PYTHON_LSPEC
+
+AC_CHECK_ENABLE_GCC_PR40134
+
+AC_CHECK_ENABLE_PIC_ASM
+
+dnl Define version numbers.
+AC_VERSION_DETAIL
+AC_VERSION_CONFIG
+
+dnl Finally pass flags to Makefiles.
+CFLAGS="$OPT_CFLAGS"
+CXXFLAGS="$OPT_CXXFLAGS"
+
+AM_CFLAGS="$CC_FLAGS $ARCH_FLAGS $OS_FLAGS"
+AM_CXXFLAGS="$CXX_FLAGS $ARCH_FLAGS $OS_FLAGS"
+AM_CPPFLAGS="$CPPFLAGS"
+
 AC_SUBST(AM_CFLAGS)
+AC_SUBST(AM_CXXFLAGS)
+AC_SUBST(AM_CPPFLAGS)
 
 
 AC_CONFIG_FILES([Makefile]
@@ -930,27 +710,26 @@ AC_CONFIG_FILES([Makefile]
                [contrib/vmlog/Makefile]
                [contrib/vmlog/t/Makefile]
                [doc/Makefile]
+               [doc/doxygen/Makefile]
                [doc/handbook/Makefile]
                [man/Makefile]
                [src/Makefile]
                [src/cacao/Makefile]
-               [src/cacaoh/Makefile]
+               [src/classes/Makefile]
                [src/fdlibm/Makefile]
-               [src/lib/Makefile]
                [src/mm/Makefile]
                [src/mm/cacao-gc/Makefile]
                [src/native/Makefile]
-               [src/native/include/Makefile]
                [src/native/jvmti/Makefile]
-               [src/native/tools/Makefile]
                [src/native/vm/Makefile]
                [src/native/vm/cldc1.1/Makefile]
-               [src/native/vm/gnu/Makefile]
+               [src/native/vm/gnuclasspath/Makefile]
+               [src/native/vm/openjdk/Makefile]
                [src/scripts/Makefile]
                [src/scripts/java]
                [src/threads/Makefile]
-               [src/threads/native/Makefile]
                [src/threads/none/Makefile]
+               [src/threads/posix/Makefile]
                [src/toolbox/Makefile]
                [src/vm/Makefile]
                [src/vm/jit/Makefile]
@@ -965,8 +744,10 @@ AC_CONFIG_FILES([Makefile]
                [src/vm/jit/i386/darwin/Makefile]
                [src/vm/jit/i386/freebsd/Makefile]
                [src/vm/jit/i386/linux/Makefile]
+               [src/vm/jit/i386/solaris/Makefile]
                [src/vm/jit/intrp/Makefile]
                [src/vm/jit/inline/Makefile]
+               [src/vm/jit/ir/Makefile]
                [src/vm/jit/loop/Makefile]
                [src/vm/jit/m68k/Makefile]
                [src/vm/jit/m68k/linux/Makefile]
@@ -988,27 +769,28 @@ AC_CONFIG_FILES([Makefile]
                [src/vm/jit/sparc64/Makefile]
                [src/vm/jit/sparc64/linux/Makefile]
                [src/vm/jit/sparc64/solaris/Makefile]
-               [src/vm/jit/tools/Makefile]
                [src/vm/jit/verify/Makefile]
                [src/vm/jit/x86_64/Makefile]
                [src/vm/jit/x86_64/freebsd/Makefile]
                [src/vm/jit/x86_64/linux/Makefile]
-               [src/vmcore/Makefile]
+               [src/vm/jit/x86_64/solaris/Makefile]
                [tests/Makefile]
                [tests/regression/Makefile]
-               [tests/regression/codepatching/Makefile]
+               [tests/regression/assertion/Makefile]
+               [tests/regression/base/Makefile]
+               [tests/regression/bugzilla/Makefile]
                [tests/regression/jasmin/Makefile]
                [tests/regression/native/Makefile]
                [tests/regression/resolving/Makefile]
                [tests/regression/resolving/classes1/Makefile]
                [tests/regression/resolving/classes2/Makefile]
                [tests/regression/resolving/classes3/Makefile]
-               )
+)
 
 
-dnl now configure subpackages with OPT_CFLAGS and ARCH_CFLAGS
-export OPT_CFLAGS
-export ARCH_CFLAGS
+dnl We only build the shared library objects but we use it as
+dnl noinst_LTLIBRARIES.
+ac_configure_args="$ac_configure_args --disable-static"
 AC_CONFIG_SUBDIRS(src/mm/boehm-gc)