# $Id: configure.ac,v 1.15 2004/10/03 20:44:55 cabbey Exp $ dnl This file is an input file used by the GNU "autoconf" program to dnl generate the file "configure", which is run to configure the dnl Makefile in this directory. dnl Set up the name and version AC_INIT([jikes],[1.22]) AM_INIT_AUTOMAKE([foreign check-news dist-bzip2 1.8.3]) AC_PREREQ(2.59) AC_DEFINE(JIKES_VERSION_STRING, "Version 1.22 - 3 October 2004", [A string to indicate the release of jikes: Version 1.19 - 1 Feb 2004]) dnl AC_CACHE_LOAD AC_CONFIG_HEADERS([src/config.h]) AH_TOP([/* This software is subject to the terms of the IBM Jikes Compiler License Agreement available at the following URL: http://ibm.com/developerworks/opensource/jikes. Copyright (C) 1996, 2004 IBM Corporation and others. All Rights Reserved. You must accept the terms of that agreement to use this software. */]) dnl Do not autoupdate if configure.in and friends are changed dnl unless the --enable-maintainer-mode flag is used. AM_MAINTAINER_MODE() dnl Set up host checks using config.sub and config.guess. AC_CANONICAL_HOST() dnl VC++ requires special flags: dnl /TP : Treat input files as c++ dnl /GX : Enable C++ exceptions dnl /GR : Enable rtti dnl /MD : Link to msvcrt.lib dnl /MDd : Link to msvcrtd.lib dnl /Zi : Add debug info to .obj files case "${host}" in *windows32*) jikes_vcpp=yes ;; esac dnl Maintainer mode depends on touch AC_PATH_PROG([TOUCH], [touch]) dnl make it easy to turn on debug, like any other project AC_ARG_ENABLE([debug], [AS_HELP_STRING([--enable-debug], [Turn on internal compiler debugging.])], [jikes_debug=$enableval], [jikes_debug=no]) AS_IF([test "$jikes_debug" = yes], [AC_DEFINE([JIKES_DEBUG], [1], [Enable internal compiler debugging]) dnl If the user did not set CXXFLAGS, set debug flags to dnl keep the AC_PROG_CXX macro from defaulting to -g -O2. if test "${CXXFLAGS+set}" != "set" ; then if test "$jikes_vcpp" = "yes" ; then CXXFLAGS="-Zi -MDd -GX -GR" else CXXFLAGS="-g" fi fi], [dnl If the user did not set CXXFLAGS and we are using VC++, set dnl default flags to keep AC_PROG_CXX from defaulting to -g -O2. if test "${CXXFLAGS+set}" != "set" ; then if test "$jikes_vcpp" = "yes" ; then CXXFLAGS="-MD -GX -GR" fi fi]) dnl Tell the system that we are going to use the C++ language AC_LANG([C++]) dnl Have the system search for and test out the C++ compiler dnl We expect AC_PROG_CXX to automatically find a cross compiler AC_PROG_CXX() dnl See if this host uses DOS style path names ACX_CHECK_PATHNAME_STYLE_DOS() dnl FIXME: This is a quick hack to define UNIX_FILE_SYSTEM dnl or WIN32_FILE_SYSTEM, we need to go back and fix this dnl to do a feature test in each place this symbol is used AS_IF([test "$acx_cv_pathname_style_dos" = yes], [AC_DEFINE([WIN32_FILE_SYSTEM], [], [quick hack to use Win32 file system, fixme])], [AC_DEFINE([UNIX_FILE_SYSTEM], [], [quick hack to use UNIX file system, fixme])]) dnl Don't define classes in a Jikes namespace by default dnl since most compilers do not support C++ namespaces properly. AC_ARG_ENABLE([jikes-namespace], [AS_HELP_STRING([--enable-jikes-namespace], [Define Jikes classes in a C++ namespace])], [ok=$enableval], [ok=no]) AS_IF([test "$ok" = yes], [AC_DEFINE([HAVE_JIKES_NAMESPACE], [1], [Define Jikes classes in a C++ namespace])]) dnl Check for standard c and c++ headers and libraries AC_HEADER_STDC() AC_CHECK_HEADERS(stdio.h assert.h errno.h limits.h ctype.h time.h float.h) dnl Check for some headers which are not present on all supported platforms AC_CHECK_HEADERS(windows.h direct.h dirent.h sys/cygwin.h locale.h) dnl Check for math.h and see if we need to link to the math library AC_CHECK_MATHLIB() AC_CXX_HAVE_STD() dnl see if "bool" is a builtin type AC_CXX_BOOL() dnl Check for style include for the set_new_handler function AC_CXX_CHECK_SET_NEW_HANDLER() dnl Check for wide string functions AC_CHECK_WCS_FUNCS() dnl Check for busted ostream insertion problems AC_CXX_CHECK_OSTREAM_CONST_UNSIGNED_CHAR_PTR() dnl The check for iconv might abort, so save cache AC_CACHE_SAVE dnl Check for iconv functions and library AC_CHECK_ICONV() dnl Check if "IBM Classes for UNICODE library" is present AC_CHECK_LIB(icu-uc, u_getVersion) AS_IF([test -n "$ac_cv_jikes_iconv_encoding" || \ test "$ac_cv_lib_icu_uc_u_getVersion" = "yes"], [AC_DEFINE([HAVE_ENCODING], [1], [Defined if Jikes supports -encoding for input files.])]) dnl Check for cygwin path conversion functions AC_CHECK_FUNCS(cygwin_win32_to_posix_path_list) dnl Check for the strip utility, we use it to remove debugging info AC_CHECK_TOOL(STRIP, strip, :) dnl Check to see if "static const FOO = 1" is allowed in a class AC_CXX_MEMBER_CONSTANTS() dnl Check to see if the explicit C++ keyword is supported AC_CXX_EXPLICIT() dnl Check to see if RTTI is implemented, it is needed for better dynamic dnl casting. AC_CXX_RTTI() dnl Check for newer C++ style cast support AC_CXX_CONST_CAST() AC_CXX_DYNAMIC_CAST() AC_CXX_REINTERPRET_CAST() AC_CXX_STATIC_CAST() dnl Check to see if build will use emulated floating point AC_ARG_ENABLE([fp-emulation], [AS_HELP_STRING([--disable-fp-emulation], [Use native floating point operations instead of emulation])], [ok=$enableval], [ok=yes]) AC_MSG_CHECKING([for floating point support]) AS_IF([test "$ok" = yes], [# Do nothing, floating point emulation used when HAVE_IEEE754 is not defined AC_MSG_RESULT([emulated])], [AC_DEFINE([HAVE_IEEE754], [1], [Defined when Jikes is built with native floating support]) AC_MSG_RESULT([native])]) dnl Ensure that we have exact type sizes. AC_DEFINE_INTEGER_BITS(int8_t, signed char, __int8, char) AC_DEFINE_INTEGER_BITS(uint8_t, unsigned int8_t, unsigned char, unsigned __int8, char) AC_DEFINE_INTEGER_BITS(int16_t, signed short, signed int, __int16, short, int) AC_DEFINE_INTEGER_BITS(uint16_t, unsigned int16_t, unsigned short, unsigned, unsigned __int16) AC_DEFINE_INTEGER_BITS(int32_t, signed, signed long, __int32, int, long) AC_DEFINE_INTEGER_BITS(uint32_t, unsigned int32_t, unsigned, unsigned long, unsigned __int32) AC_DEFINE_INTEGER_BITS(int64_t, signed long, signed long long, __int64, long long) AC_DEFINE_INTEGER_BITS(uint64_t, unsigned int64_t, unsigned long, unsigned long long, unsigned __int64) AC_CXX_TYPE_EQUIVALENCE(int32_t, int) AS_IF([test "$uint64_t" = no], dnl Check for endianness [AC_C_BIGENDIAN()], [AC_DEFINE([HAVE_64BIT_TYPES], [1], [Defined when the compiler supports 64 bit integer math])]) dnl Check the stat() system call to find out how many dnl underscores are needed in front of S_IFDIR AC_CACHE_CHECK(for __S_IFDIR symbol, jikes_cv_stat_ifdir_2underscore, AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ #include ]], [[int i = __S_IFDIR; i++;]])],[jikes_cv_stat_ifdir_2underscore=yes],[jikes_cv_stat_ifdir_2underscore=no])) AC_CACHE_CHECK(for _S_IFDIR symbol, jikes_cv_stat_ifdir_1underscore, AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ #include ]], [[int i = _S_IFDIR; i++;]])],[jikes_cv_stat_ifdir_1underscore=yes],[jikes_cv_stat_ifdir_1underscore=no])) AC_CACHE_CHECK(for S_IFDIR symbol, jikes_cv_stat_ifdir_0underscore, AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ #include ]], [[int i = S_IFDIR; i++;]])],[jikes_cv_stat_ifdir_0underscore=yes],[jikes_cv_stat_ifdir_0underscore=no])) if test "$jikes_cv_stat_ifdir_2underscore" = "yes"; then AC_DEFINE(JIKES_STAT_S_IFDIR, __S_IFDIR, [Used to test results of stat call to see if it is a directory]) elif test "$jikes_cv_stat_ifdir_1underscore" = "yes"; then AC_DEFINE(JIKES_STAT_S_IFDIR, _S_IFDIR, [Used to test results of stat call to see if it is a directory]) elif test "$jikes_cv_stat_ifdir_0underscore" = "yes"; then AC_DEFINE(JIKES_STAT_S_IFDIR, S_IFDIR, [Used to test results of stat call to see if it is a directory]) else AC_MSG_ERROR([Could not find stat S_IFDIR symbol]) fi dnl We need to do some nasty checks here to make sure that dnl we know what version of mkdir() to call. dnl First, we just make sure mkdir() actually exists AC_CHECK_FUNCS(mkdir, , AC_MSG_ERROR([No mkdir() function found])) AC_CACHE_CHECK(for mac style mkdir, jikes_cv_mac_mkdir, AC_LINK_IFELSE([AC_LANG_PROGRAM([[ #include #include ]], [[mkdir("foo.dir", 0); ]])],[jikes_cv_mac_mkdir=yes],[jikes_cv_mac_mkdir=no]) ) AC_CACHE_CHECK(for glibc style mkdir, jikes_cv_glibc_mkdir, AC_LINK_IFELSE([AC_LANG_PROGRAM([[ #include #include ]], [[mkdir("foo.dir", S_IRWXU | S_IRWXG | S_IRWXO); ]])],[jikes_cv_glibc_mkdir=yes],[jikes_cv_glibc_mkdir=no]) ) AC_CACHE_CHECK(for libc5 style mkdir, jikes_cv_libc5_mkdir, AC_LINK_IFELSE([AC_LANG_PROGRAM([[ #include #include ]], [[mkdir("foo.dir", S_IRWXU); ]])],[jikes_cv_libc5_mkdir=yes],[jikes_cv_libc5_mkdir=no]) ) AC_CACHE_CHECK(for win32 style mkdir, jikes_cv_win32_mkdir, AC_LINK_IFELSE([AC_LANG_PROGRAM([[ #include ]], [[mkdir("foo.dir"); ]])],[jikes_cv_win32_mkdir=yes],[jikes_cv_win32_mkdir=no]) ) if test "$jikes_cv_glibc_mkdir" = "yes" ; then AC_DEFINE(HAVE_GLIBC_MKDIR, , [use unix style mkdir(str, S_IRWXU | S_IRWXG | S_IRWXO)]) elif test "$jikes_cv_libc5_mkdir" = "yes" ; then AC_DEFINE(HAVE_LIBC5_MKDIR, , [use unix style mkdir(str, S_IRWXU)]) elif test "$jikes_cv_win32_mkdir" = "yes" ; then AC_DEFINE(HAVE_WIN32_MKDIR, , [use win32 style mkdir(str) from ]) elif test "$jikes_cv_mac_mkdir" = "yes" ; then AC_DEFINE(HAVE_MAC_MKDIR, , [use mac style mkdir(str,0) from ]) else AC_MSG_ERROR([Could not locate a working mkdir() implementation]) fi dnl xlC (AIX), ICC (Win*, OS/2) and vacpp (all) are all compilers from dnl IBM, they are related in that there is a common code base. On the dnl x86 platform when compiling with ICC we need to set control registers dnl on the math co-proc inorder to work around floating point oddities. dnl FIXME: need to limit to x86 architecture. dnl FIXME: case sensitive string compare to compiler name is BAD. dnl FIXME: need a better test than "does it compile"... dnl need to acutally USE it. Ask Dave. dnl old logic within the ICC/xlC shared config block (added by cabbey@home.net dnl because it was setting this flag on PowerRS based AIX boxen) dnl To really fix this, we need to find out what ${host_os} is set dnl to when compiling on windows or OS2. dnl Something like this ??? dnl case "${host_os}" in dnl *86) dnl jikes_cv_icc_fp_bugs=yes dnl ;; dnl esac AC_CACHE_CHECK([floating point bug workaround for ICC compiler], [jikes_cv_icc_fp_bugs], [AS_IF([test "$CXX" = ICC || test "$CXX" = vacpp], [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include ]], [[ _control87(EM_UNDERFLOW, EM_UNDERFLOW); ]])], [jikes_cv_icc_fp_bugs=yes],[jikes_cv_icc_fp_bugs=no])], [jikes_cv_icc_fp_bugs=no])]) AS_IF([test "$jikes_cv_icc_fp_bugs" = yes], [AC_DEFINE([HAVE_ICC_FP_BUGS], [], [known to be broken on Win and OS2 when compiled with ICC])]) dnl see if jikespg location is given on the command line AC_ARG_WITH([jikespg], [ --with-jikespg=PROG location of jikes parser generator (optional)], [JIKESPG=$withval], [JIKESPG=NONE]) AS_IF([test "$JIKESPG" != NONE], [AS_IF([test ! -f "$JIKESPG" || test ! -x "$JIKESPG"], [AC_MSG_ERROR([jikespg argument '$JIKESPG' is not a file or is not executable])])], [JIKESPG=jikespg]) AC_SUBST(JIKESPG) # Turn on beta version of 1.5 support AC_ARG_ENABLE([source15], [AS_HELP_STRING([--enable-source15], [Enable experimental 1.5 source features])], [source15=$enableval], [source15=no]) AS_IF([test $source15 = yes], [AC_DEFINE([ENABLE_SOURCE_15], [1], [Define as nonzero to enable experimental `-source 1.5' features.])], [AC_DEFINE([ENABLE_SOURCE_15], [0], [Define as nonzero to enable experimental `-source 1.5' features.])]) # Subst variables into Makefile.in to produce the Makefile AC_CONFIG_FILES([Makefile doc/Makefile src/Makefile]) AC_OUTPUT