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Annotation of generator/configure.in, revision 1.1

1.1     ! root        1: dnl Generator configure.in file - process with autoconf
        !             2: 
        !             3:   AC_INIT(cpu68k/def68k.c)
        !             4:   AC_CANONICAL_SYSTEM
        !             5:   AM_INIT_AUTOMAKE(generator, 0.32)
        !             6:   AM_CONFIG_HEADER(config.h)
        !             7:   optimum=yes
        !             8: 
        !             9: dnl See what version we're compiling
        !            10: 
        !            11:   AC_ARG_ENABLE(svgalib, [Create svgalib version], PROGRAM="generator-svgalib")
        !            12:   AC_ARG_ENABLE(allegro, [Create allegro version], PROGRAM="generator-allegro")
        !            13:   AC_ARG_ENABLE(tcltk, [Create tcltk version], PROGRAM="generator-tcltk")
        !            14:   # AC_ARG_ENABLE(gtk, [Create gtk version], PROGRAM="generator-gtk")
        !            15:   if [[ "x$PROGRAM" = "x" ]]; then
        !            16:     AC_MSG_ERROR(You must select a user interface type: svgalib allegro tcltk)
        !            17:   fi
        !            18:   AC_SUBST(PROGRAM)
        !            19:   if [[ "x$program" = "xgenerator-allegro" ]]; then
        !            20:     AC_DEFINE(ALLEGRO, 1, [Allegro version])
        !            21:   fi
        !            22:   AC_DEFINE(RAZE, 1, [Define for RAZE z80, undef for mz80])
        !            23: 
        !            24: dnl Check for processor.
        !            25: 
        !            26:   case $target_cpu in
        !            27:     i?86)  AC_MSG_RESULT(Turning on x86 processor optimisations)
        !            28:            AC_DEFINE(PROCESSOR_INTEL, 1, [Define if you have an x86 processor])
        !            29:            ALIGNLONGS=1
        !            30:            ;;
        !            31:     sparc) AC_MSG_RESULT(Turning on sparc processor optimisations)
        !            32:            AC_DEFINE(PROCESSOR_SPARC, 1, [Define if you have a sparc processor])
        !            33:            ALIGNLONGS=0
        !            34:            ;;
        !            35:     arm)   AC_MSG_RESULT(Turning on arm processor optimisations)
        !            36:            AC_DEFINE(PROCESSOR_ARM, 1, [Define if you have an ARM processor])
        !            37:            ALIGNLONGS=1
        !            38:            ;;
        !            39:     *)     AC_MSG_WARN(Processor type not known - processor optimisations off!)
        !            40:            ALIGNLONGS=1
        !            41:            optimum=no
        !            42:            ;;
        !            43:   esac
        !            44:   
        !            45:   AC_DEFINE(ALIGNLONGS, ALIGNLONGS,
        !            46:             [Undefine if your processor can read unaligned 32-bit values])
        !            47: 
        !            48: dnl Check for gcc options
        !            49: 
        !            50:   # default to gcc version 2
        !            51:   GCCVER=2
        !            52:   WARN=no
        !            53:   DEBUG=no
        !            54:   AC_ARG_WITH(warnings, [  --with-warnings         Turn on gcc warnings],
        !            55:               WARN=$withval, WARN=no)
        !            56:   AC_ARG_WITH(gcc, [  --with-gcc[=VER]    GCC optimisation setting],
        !            57:               GCCVER=$withval)
        !            58:   AC_ARG_WITH(debug, [  --with-debug        Turn debugging options on],
        !            59:               DEBUG=$withval, DEBUG=no)
        !            60:   if [[ "x$WARN" != "xno" ]]; then
        !            61:     CFLAGS="$CFLAGS -W -Wall -Wstrict-prototypes -Wno-format -Wno-unused"
        !            62:   fi
        !            63:   if [[ "x$DEBUG" != "xno" ]]; then
        !            64:     AC_MSG_RESULT(Turning on debug flags)
        !            65:     CFLAGS="$CFLAGS -g -O"
        !            66:     optimum=no
        !            67:   else
        !            68:     if [[ "x$GCCVER" != "xno" ]]; then
        !            69:       AC_MSG_RESULT(Turning on gcc optimisations)
        !            70:       CFLAGS="$CFLAGS -O3 -ffast-math -fomit-frame-pointer"
        !            71:       if [[ "x$GCCVER" = "x3" ]]; then
        !            72:         AC_MSG_RESULT(Turning on gcc 3 optimisations)
        !            73:         CFLAGS="$CFLAGS -minline-all-stringops -fno-math-errno"
        !            74:       fi
        !            75:       case $target_cpu in
        !            76:         i?86) AC_MSG_RESULT(Turning on pentium optimisations)
        !            77:               CFLAGS="$CFLAGS -march=pentium -malign-double -malign-loops=5"
        !            78:               CFLAGS="$CFLAGS -malign-jumps=5 -malign-functions=5"
        !            79:               ;;
        !            80:       esac
        !            81:     else
        !            82:       AC_MSG_WARN(You did not opt for gcc optimisations!)
        !            83:       optimum=no
        !            84:     fi
        !            85:   fi
        !            86: 
        !            87: dnl Checks for programs.
        !            88: 
        !            89:   AC_PROG_CC
        !            90:   AC_PROG_RANLIB
        !            91:   AC_ISC_POSIX
        !            92:   AC_PROG_INSTALL
        !            93:   AC_TYPE_SIGNAL
        !            94: 
        !            95: dnl Checks for libraries.
        !            96: 
        !            97: dnl Checks for header files.
        !            98: 
        !            99:   AC_HEADER_STDC
        !           100: 
        !           101: dnl Checks for typedefs, structures, and compiler characteristics.
        !           102: 
        !           103:   if [[ $cross_compiling = no ]]; then
        !           104:     AC_C_BIGENDIAN
        !           105:   else
        !           106:     AC_WARN(Assuming little endian for cross compilation)
        !           107:     # AC_DEFINE(WORDS_BIGENDIAN, 1)
        !           108:   fi
        !           109:   AC_C_CONST
        !           110:   AC_C_INLINE
        !           111:   AC_CHECK_SIZEOF(unsigned char, 1)
        !           112:   AC_CHECK_SIZEOF(unsigned short, 2)
        !           113:   AC_CHECK_SIZEOF(unsigned int, 4)
        !           114:   AC_CHECK_SIZEOF(unsigned long, 4)
        !           115:   AC_CHECK_SIZEOF(unsigned long long, 8)
        !           116:   AC_CHECK_FUNCS(snprintf)
        !           117:   AC_CHECK_HEADERS(tcl8.0.h)
        !           118:   AC_CHECK_HEADERS(tk8.0.h)
        !           119: 
        !           120: dnl Makefile substitutions
        !           121: 
        !           122: dnl Final stuff
        !           123: 
        !           124:   AC_OUTPUT([Makefile cpu68k/Makefile raze/Makefile ym2612/Makefile
        !           125:              main/Makefile])
        !           126: 
        !           127:   if [[ $optimum = no ]]; then
        !           128:     echo '!!! Generator was compiled non-optimally, see warnings above !!!' 1>&2
        !           129:   fi
        !           130: 
        !           131: dnl Moooo.

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