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Annotation of tme/configure.in, revision 1.1

1.1     ! root        1: dnl Process this file with autoconf to produce a configure script.
        !             2: 
        !             3: dnl $Id: configure.in,v 1.6 2003/05/18 00:04:39 fredette Exp $
        !             4: 
        !             5: dnl acinclude.m4 - additional tme autoconf macros:
        !             6: 
        !             7: dnl Copyright (c) 2001, 2003 Matt Fredette
        !             8: dnl All rights reserved.
        !             9: dnl
        !            10: dnl Redistribution and use in source and binary forms, with or without
        !            11: dnl modification, are permitted provided that the following conditions
        !            12: dnl are met:
        !            13: dnl 1. Redistributions of source code must retain the above copyright
        !            14: dnl    notice, this list of conditions and the following disclaimer.
        !            15: dnl 2. Redistributions in binary form must reproduce the above copyright
        !            16: dnl    notice, this list of conditions and the following disclaimer in the
        !            17: dnl    documentation and/or other materials provided with the distribution.
        !            18: dnl 3. All advertising materials mentioning features or use of this software
        !            19: dnl    must display the following acknowledgement:
        !            20: dnl      This product includes software developed by Matt Fredette.
        !            21: dnl 4. The name of the author may not be used to endorse or promote products
        !            22: dnl    derived from this software without specific prior written permission.
        !            23: dnl
        !            24: dnl THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
        !            25: dnl IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
        !            26: dnl WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
        !            27: dnl DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
        !            28: dnl INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
        !            29: dnl (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
        !            30: dnl SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
        !            31: dnl HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
        !            32: dnl STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
        !            33: dnl ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
        !            34: dnl POSSIBILITY OF SUCH DAMAGE.
        !            35: 
        !            36: dnl Checks that we are given a good source directory.
        !            37: AC_INIT(ic/m68k/m68k-impl.h)
        !            38: AC_CANONICAL_SYSTEM
        !            39: AM_INIT_AUTOMAKE(tme, 0.0)
        !            40: 
        !            41: dnl Write configuration out to config.h through config.h.in.
        !            42: AM_CONFIG_HEADER(config.h)
        !            43: 
        !            44: dnl Checks for programs.
        !            45: AC_PROG_CC
        !            46: AC_PROG_CPP
        !            47: AC_PROG_YACC
        !            48: AC_PROG_INSTALL
        !            49: AC_PROG_MAKE_SET
        !            50: 
        !            51: dnl Checks for header files.
        !            52: AC_HEADER_STDC
        !            53: AC_CHECK_HEADERS(unistd.h stdio.h memory.h stdarg.h)
        !            54: AC_CHECK_HEADERS(sys/ioctl.h sys/sockio.h sys/socketio.h net/if_dl.h ioctls.h)
        !            55: 
        !            56: dnl Checks for typedefs, structures, and compiler characteristics.
        !            57: AC_C_BIGENDIAN
        !            58: AC_C_CONST
        !            59: AC_C_INLINE
        !            60: AC_CHECK_SIZEOF(long, 4)
        !            61: AC_CHECK_SIZEOF(int, 4)
        !            62: AC_CHECK_SIZEOF(short, 2)
        !            63: if test $ac_cv_sizeof_int != 4 && test $ac_cv_sizeof_long != 4; then
        !            64:   AC_MSG_ERROR([can't find a 32-bit type])
        !            65: fi
        !            66: if test $ac_cv_sizeof_int != 2 && test $ac_cv_sizeof_short != 2; then
        !            67:   AC_MSG_ERROR([can't find a 16-bit type])
        !            68: fi
        !            69: AC_CHECK_ALIGNOF(32)
        !            70: AC_CHECK_ALIGNOF(16)
        !            71: AC_CHECK_SHIFTMAX(8)
        !            72: AC_CHECK_SHIFTMAX(16)
        !            73: AC_CHECK_SHIFTMAX(32)
        !            74: AC_SYS_SOCKADDR_SA_LEN
        !            75: 
        !            76: dnl Checks for library functions and prototypes.
        !            77: AC_PROG_GCC_TRADITIONAL
        !            78: AC_FUNC_MEMCMP
        !            79: AC_FUNC_MMAP
        !            80: 
        !            81: dnl Checks for perl.
        !            82: AC_PATH_PROGS(PERL, perl4.036 perl4 perl perl5, no)
        !            83: AC_SUBST(PERL)
        !            84: 
        !            85: dnl Checks for AF_LINK.
        !            86: AC_MSG_CHECKING([for AF_LINK support])
        !            87: AC_EGREP_CPP(_tme_has_af_link,
        !            88: [
        !            89: #include <sys/socket.h>
        !            90: #ifdef AF_LINK
        !            91: _tme_has_af_link
        !            92: #endif
        !            93: ], [ 
        !            94: AC_MSG_RESULT(yes)
        !            95: AC_DEFINE(HAVE_AF_LINK, [], [Define if you have AF_LINK.])
        !            96: ], [
        !            97: AC_MSG_RESULT(no)
        !            98: ])
        !            99: 
        !           100: dnl Checks for BPF.
        !           101: tme_raw_type=
        !           102: AC_CHECK_HEADER(net/bpf.h, [tme_raw_type=bpf])
        !           103: AC_MSG_CHECKING([for raw Ethernet access method])
        !           104: if test x$tme_raw_type = x; then
        !           105:   AC_MSG_ERROR([can't find any raw Ethernet access method])
        !           106: fi
        !           107: AC_MSG_RESULT($tme_raw_type)
        !           108: 
        !           109: dnl Configures for the system(s) to emulate.
        !           110: systems=all
        !           111: if echo " ${systems} " | grep ' all ' > /dev/null 2>&1; then
        !           112:   systems="sun2"
        !           113: fi
        !           114: TME_MACHINE_SUBDIRS=
        !           115: TME_IC_SUBDIRS=
        !           116: TME_ICS=
        !           117: TME_BUS_SUBDIRS=
        !           118: for system in $systems; do
        !           119: 
        !           120:     # dispatch on the machine type to get more machines, ICs, and
        !           121:     # buses to compile:
        !           122:     case ${system} in
        !           123: 
        !           124:     # the sun2:
        !           125:     sun2)
        !           126:        machines="sun sun2"
        !           127:        ics="m68k am9513 mm58167 z8530"
        !           128:        buses="multibus"
        !           129:        ;;
        !           130: 
        !           131:     *)
        !           132:        AC_MSG_ERROR([don't know how to emulate ${machine}])
        !           133:        ;;
        !           134:     esac
        !           135: 
        !           136:     # add in the new machines, ICs, and buses to compile:
        !           137:     for machine in $machines; do
        !           138:        if echo " ${TME_MACHINE_SUBDIRS} " | grep " ${machine} " > /dev/null 2>&1; then :; else
        !           139:            TME_MACHINE_SUBDIRS="${TME_MACHINE_SUBDIRS} ${machine}"
        !           140:        fi
        !           141:     done
        !           142:     for ic in $ics; do
        !           143:        if test -d ic/$ic; then
        !           144:            if echo " ${TME_IC_SUBDIRS} " | grep " ${ic} " > /dev/null 2>&1; then :; else
        !           145:                TME_IC_SUBDIRS="${TME_IC_SUBDIRS} ${ic}"
        !           146:            fi
        !           147:        else
        !           148:            ic="tme_ic_${ic}.la"
        !           149:            if echo " ${TME_ICS} " | grep " ${ic} " > /dev/null 2>&1; then :; else
        !           150:                TME_ICS="${TME_ICS} ${ic}"
        !           151:            fi
        !           152:        fi
        !           153:     done
        !           154:     for bus in $buses; do
        !           155:        if echo " ${TME_BUS_SUBDIRS} " | grep " ${bus} " > /dev/null 2>&1; then :; else
        !           156:            TME_BUS_SUBDIRS="${TME_BUS_SUBDIRS} ${bus}"
        !           157:        fi
        !           158:     done
        !           159: done
        !           160: TME_HOSTS="posix bsd"
        !           161: AC_SUBST(TME_MACHINE_SUBDIRS)
        !           162: AC_SUBST(TME_IC_SUBDIRS)
        !           163: AC_SUBST(TME_ICS)
        !           164: AC_SUBST(TME_BUS_SUBDIRS)
        !           165: AC_SUBST(TME_HOSTS)
        !           166: 
        !           167: dnl Configure for libtool.
        !           168: AC_LIBLTDL_INSTALLABLE
        !           169: AC_SUBST(INCLTDL)
        !           170: AC_SUBST(LIBLTDL)
        !           171: AC_LIBTOOL_DLOPEN
        !           172: AM_PROG_LIBTOOL
        !           173: AC_SUBST(LTLIBOBJS)
        !           174: AC_CONFIG_SUBDIRS(libltdl)
        !           175: TME_PREOPEN=
        !           176: if test $enable_shared = no; then
        !           177:   TME_PREOPEN='`sort -u $(top_builddir)/tme-preopen.txt`'
        !           178: fi
        !           179: AC_SUBST(TME_PREOPEN)
        !           180: 
        !           181: dnl Configure debugging and/or warnings.
        !           182: AC_ARG_ENABLE(debug,
        !           183: [  --disable-debug         don't compile debuggable libraries and programs (default=do)],
        !           184: [ ], [enable_debug=yes])
        !           185: if test "x$enable_debug" = "xyes"; then
        !           186:   CFLAGS="${CFLAGS-} -g -O0"
        !           187:   CXXFLAGS="${CXXFLAGS-} -g3 -O0"
        !           188: fi
        !           189: AC_ARG_ENABLE(warnings,
        !           190: [  --disable-warnings      don't compile with warnings turned on (default=do)],
        !           191: [ ], [enable_warnings=yes])
        !           192: if test "x$enable_warnings" = "xyes" -a "x$GCC" = "xyes"; then
        !           193:   CFLAGS="${CFLAGS-} -Wall -Werror"
        !           194:   CXXFLAGS="${CXXFLAGS-} -W"
        !           195: fi
        !           196: 
        !           197: dnl Generate tmeconfig.h.  The whether-to-generate logic is cribbed 
        !           198: dnl from glib-1.2.1's configure.in.
        !           199: dnl See that file for an explanation.
        !           200: AC_OUTPUT_COMMANDS([
        !           201:           
        !           202: ## Generate our configure-time sources in two 
        !           203: ## cases:
        !           204: ## 1. `config.status' is run either explicitly, or via configure.
        !           205: ##     Esp. not when it is run in `Makefile' to generate makefiles and
        !           206: ##     config.h
        !           207: ## 2. CONFIG_OTHER is set explicitly
        !           208: ##
        !           209: ## Case 1 is difficult.  We know that `automake' sets one of
        !           210: ## CONFIG_FILES or CONFIG_HEADERS to empty.  This heuristic works
        !           211: ## only when AM_CONFIG_HEADER is set, however.
        !           212: 
        !           213: case "x$CONFIG_OTHER" in
        !           214: *tmeconfig.h) gen_tmeconfig_h=yes
        !           215: ;;
        !           216: esac
        !           217: if test -n "${CONFIG_FILES}" && test -n "${CONFIG_HEADERS}"; then
        !           218:   # Both CONFIG_FILES and CONFIG_HEADERS are non-empty ==> Case 1
        !           219:   if test "x${CONFIG_OTHER}" = x; then
        !           220:     gen_tmeconfig_h=yes
        !           221:   fi
        !           222: fi
        !           223: 
        !           224: ## If we're generating tmeconfig.h:
        !           225: if test "x$gen_tmeconfig_h" = xyes; then
        !           226:   outfile=tmeconfig.h
        !           227:   echo "$as_me: creating $outfile"
        !           228:   cat <<TMEEOF > ${outfile}-tmp
        !           229: /* tmeconfig.h
        !           230:  * 
        !           231:  * This is an automatically generated file - please modify 'configure.in'.
        !           232:  */
        !           233: 
        !           234: #ifndef _TMECONFIG_H
        !           235: #define _TMECONFIG_H
        !           236: 
        !           237: TMEEOF
        !           238:   (for word in HAVE_ TIME_ PROTO_ ALIGNOF_ WORDS_BIGENDIAN; do \
        !           239:     grep $word config.h | sed 's/#define[      ]\{1,\}/&_TME_/' ; \
        !           240:   done) | sort | uniq >> ${outfile}-tmp
        !           241:   echo '#define TME_RELEASE_MAJOR (' \
        !           242:     `echo $VERSION | sed -e 's,^\([0-9][0-9]*\)\.[0-9][0-9]*$,\1,'` ')' >> ${outfile}-tmp
        !           243:   echo '#define TME_RELEASE_MINOR (' \
        !           244:     `echo $VERSION | sed -e 's,^[0-9][0-9]*\.\([0-9][0-9]*\)$,\1,'` ')' >> ${outfile}-tmp
        !           245:   echo '#define TME_BUILD_TARGET "'$target'"' >> ${outfile}-tmp
        !           246:   if test $ac_cv_sizeof_int = 4; then
        !           247:     echo 'typedef signed int tme_int32_t;' >> ${outfile}-tmp
        !           248:     echo 'typedef unsigned int tme_uint32_t;' >> ${outfile}-tmp
        !           249:   elif test $ac_cv_sizeof_long = 4; then
        !           250:     echo 'typedef signed long tme_int32_t;' >> ${outfile}-tmp
        !           251:     echo 'typedef unsigned long tme_uint32_t;' >> ${outfile}-tmp
        !           252:   fi
        !           253:   if test $ac_cv_sizeof_int = 2; then
        !           254:     echo 'typedef signed int tme_int16_t;' >> ${outfile}-tmp
        !           255:     echo 'typedef unsigned int tme_uint16_t;' >> ${outfile}-tmp
        !           256:   elif test $ac_cv_sizeof_short = 2; then
        !           257:     echo 'typedef signed short tme_int16_t;' >> ${outfile}-tmp
        !           258:     echo 'typedef unsigned short tme_uint16_t;' >> ${outfile}-tmp
        !           259:   fi
        !           260:   echo 'typedef signed char tme_int8_t;' >> ${outfile}-tmp
        !           261:   echo 'typedef unsigned char tme_uint8_t;' >> ${outfile}-tmp
        !           262:   cat <<TMEEOF >> ${outfile}-tmp
        !           263: 
        !           264: /* features that aren't currently controlled by a configure option: */
        !           265: #define TME_THREADS_SJLJ
        !           266: 
        !           267: #endif /* !_TMECONFIG_H */
        !           268: TMEEOF
        !           269:   if cmp -s ${outfile}-tmp $outfile; then
        !           270:     echo "$as_me: $outfile is unchanged"
        !           271:     rm -f ${outfile}-tmp
        !           272:   else
        !           273:     mv ${outfile}-tmp ${outfile}
        !           274:   fi
        !           275: fi
        !           276: ], [
        !           277: PACKAGE="$PACKAGE"
        !           278: VERSION="$VERSION"
        !           279: target="$target"
        !           280: ac_cv_sizeof_int="$ac_cv_sizeof_int"
        !           281: ac_cv_sizeof_long="$ac_cv_sizeof_long"
        !           282: ac_cv_sizeof_short="$ac_cv_sizeof_short"
        !           283: ])
        !           284: 
        !           285: dnl Writes files.
        !           286: AC_OUTPUT(Makefile
        !           287:          tme/Makefile
        !           288:          tme/ic/Makefile
        !           289:          tme/machine/Makefile
        !           290:          tme/generic/Makefile
        !           291:          libtme/Makefile
        !           292:          ic/Makefile
        !           293:          ic/m68k/Makefile
        !           294:          machine/Makefile
        !           295:          machine/sun/Makefile
        !           296:          machine/sun2/Makefile
        !           297:           host/Makefile
        !           298:           host/posix/Makefile
        !           299:           host/bsd/Makefile
        !           300:           bus/Makefile
        !           301:           bus/multibus/Makefile
        !           302:           generic/Makefile
        !           303:          tmesh/Makefile)
        !           304: 

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