1 dnl Process this file with autoconf to produce a configure script.

     2 AC_INIT(README)

     3 

     4 dnl Detect the canonical build and host environments

     5 AC_CONFIG_AUX_DIRS($srcdir/../build-scripts)

     6 AC_CANONICAL_HOST

     7 

     8 dnl Check for tools

     9 

    10 AC_PROG_CC

    11 

    12 dnl Check for compiler environment

    13 

    14 AC_C_CONST

    15 

    16 dnl Figure out which math library to use

    17 case "$host" in

    18     *-*-cygwin* | *-*-mingw32*)

    19         EXE=".exe"

    20         MATHLIB=""

    21         SYS_GL_LIBS="-lopengl32"

    22         ;;

    23     *-*-beos*)

    24         EXE=""

    25         MATHLIB=""

    26         SYS_GL_LIBS="-lGL"

    27         ;;

    28     *-*-darwin* )

    29         EXE=""

    30         MATHLIB=""

    31         SYS_GL_LIBS="-Wl,-framework,OpenGL"

    32         ;;

    33     *-*-aix*)

    34         EXE=""

    35         if test x$ac_cv_prog_gcc = xyes; then

    36             CFLAGS="-mthreads"

    37         fi

    38         SYS_GL_LIBS=""

    39         ;;

    40     *-*-mint*)

    41         EXE=""

    42         MATHLIB=""

    43         AC_PATH_PROG(OSMESA_CONFIG, osmesa-config, no)

    44         if test "x$OSMESA_CONFIG" = "xyes"; then

    45             OSMESA_CFLAGS=`$OSMESA_CONFIG --cflags`

    46             OSMESA_LIBS=`$OSMESA_CONFIG --libs`

    47             CFLAGS="$CFLAGS $OSMESA_CFLAGS"

    48             SYS_GL_LIBS="$OSMESA_LIBS"

    49         else

    50             SYS_GL_LIBS="-lOSMesa"

    51         fi

    52 		;;

    53     *)

    54         EXE=""

    55         MATHLIB="-lm"

    56         SYS_GL_LIBS="-lGL"

    57         ;;

    58 esac

    59 AC_SUBST(EXE)

    60 AC_SUBST(MATHLIB)

    61 

    62 dnl Check for SDL

    63 SDL_VERSION=1.2.10

    64 AM_PATH_SDL($SDL_VERSION,

    65             :,

    66 	    AC_MSG_ERROR([*** SDL version $SDL_VERSION not found!])

    67 )

    68 CFLAGS="$CFLAGS $SDL_CFLAGS"

    69 LIBS="$LIBS $SDL_LIBS"

    70 

    71 dnl Check for X11 path, needed for OpenGL on some systems

    72 AC_PATH_X

    73 if test x$have_x = xyes; then

    74     if test x$ac_x_includes = xno || test x$ac_x_includes = x; then

    75         :

    76     else

    77         CFLAGS="$CFLAGS -I$ac_x_includes"

    78     fi

    79     if test x$ac_x_libraries = xno || test x$ac_x_libraries = x; then

    80         :

    81     else

    82         XPATH="-L$ac_x_libraries"

    83     fi

    84 fi

    85 

    86 dnl Check for OpenGL

    87 AC_MSG_CHECKING(for OpenGL support)

    88 have_opengl=no

    89 AC_TRY_COMPILE([

    90  #include "SDL_opengl.h"

    91 ],[

    92 ],[

    93 have_opengl=yes

    94 ])

    95 AC_MSG_RESULT($have_opengl)

    96 if test x$have_opengl = xyes; then

    97     CFLAGS="$CFLAGS -DHAVE_OPENGL"

    98     GLLIB="$XPATH $SYS_GL_LIBS"

    99 else

   100     GLLIB=""

   101 fi

   102 AC_SUBST(GLLIB)

   103 

   104 dnl Finally create all the generated files

   105 AC_OUTPUT([Makefile])