configure.ac

   1 # This file gets processed with autoconf to produce a configure script
   2 AC_INIT([zettair],[0.9.3patched],[nick@ndcode.org])
   3
   4 # calculate variables for target system
   5 AC_CANONICAL_TARGET()
   6
   7 # check for valgrind
   8 AC_ARG_WITH(valgrind,
   9   AS_HELP_STRING([--with-valgrind[=DIR]],[integrate valgrind support for better error detetion]))
  10
  11 if test "x$with_valgrind" != "x"; then
  12     AC_DEFINE(WITH_VALGRIND, 1, [indicates whether to use valgrind])
  13     # check in various locations for valgrind headers
  14
  15     # note that we use CHECK_FILES instead of CHECK_HEADERS, because
  16     # CHECK_HEADERS tries to compile the headers, which fails and
  17     # causes confusion
  18
  19     if test "x$with_valgrind" != "xyes"; then
  20
  21         # also note that trying to get valgrind_include, HAVE_VALGRIND_H
  22         # and HAVE_MEMCHECK_H defined properly in this ridiculous
  23         # frankenstein of a so-called programming environment is absurdly
  24         # complicated, hence the mess below
  25         path=$with_valgrind
  26         if test "x$valgrind_include" == "x"; then
  27             AC_CHECK_FILE($path/valgrind.h, [valgrind_include=$path])
  28             if test "x$valgrind_include" != "x"; then
  29                 AC_CHECK_FILE($path/memcheck.h, [memcheck=yes])
  30                 if test "x$memcheck" == "xyes"; then
  31                     AC_DEFINE(HAVE_MEMCHECK_H, 1, [memcheck.h])
  32                 fi
  33                 AC_DEFINE(HAVE_VALGRIND_H, 1, [valgrind.h])
  34             fi
  35         fi
  36
  37         path=$with_valgrind/include
  38         if test "x$valgrind_include" == "x"; then
  39             AC_CHECK_FILE($path/valgrind.h, [valgrind_include=$path])
  40             if test "x$valgrind_include" != "x"; then
  41                 AC_CHECK_FILE($path/memcheck.h, [memcheck=yes])
  42                 if test "x$memcheck" == "xyes"; then
  43                     AC_DEFINE(HAVE_MEMCHECK_H, 1, [memcheck.h])
  44                 fi
  45                 AC_DEFINE(HAVE_VALGRIND_H, 1, [valgrind.h])
  46             fi
  47         fi
  48
  49         path=$with_valgrind/include/valgrind
  50         if test "x$valgrind_include" == "x"; then
  51             AC_CHECK_FILE($path/valgrind.h, [valgrind_include=$path])
  52             if test "x$valgrind_include" != "x"; then
  53                 AC_CHECK_FILE($path/memcheck.h, [memcheck=yes])
  54                 if test "x$memcheck" == "xyes"; then
  55                     AC_DEFINE(HAVE_MEMCHECK_H, 1, [memcheck.h])
  56                 fi
  57                 AC_DEFINE(HAVE_VALGRIND_H, 1, [valgrind.h])
  58             fi
  59         fi
  60
  61         path=$with_valgrind/valgrind
  62         if test "x$valgrind_include" == "x"; then
  63             AC_CHECK_FILE($path/valgrind.h, [valgrind_include=$path])
  64             if test "x$valgrind_include" != "x"; then
  65                 AC_CHECK_FILE($path/memcheck.h, [memcheck=yes])
  66                 if test "x$memcheck" == "xyes"; then
  67                     AC_DEFINE(HAVE_MEMCHECK_H, 1, [memcheck.h])
  68                 fi
  69                 AC_DEFINE(HAVE_VALGRIND_H, 1, [valgrind.h])
  70             fi
  71         fi
  72     fi
  73
  74     path=/usr/include/valgrind
  75     if test "x$valgrind_include" == "x"; then
  76         AC_CHECK_FILE($path/valgrind.h, [valgrind_include=$path])
  77         if test "x$valgrind_include" != "x"; then
  78             AC_CHECK_FILE($path/memcheck.h, [memcheck=yes])
  79             if test "x$memcheck" == "xyes"; then
  80                 AC_DEFINE(HAVE_MEMCHECK_H, 1, [memcheck.h])
  81             fi
  82             AC_DEFINE(HAVE_VALGRIND_H, 1, [valgrind.h])
  83         fi
  84     fi
  85
  86     path=/usr/include/
  87     if test "x$valgrind_include" == "x"; then
  88         AC_CHECK_FILE($path/valgrind.h, [valgrind_include=$path])
  89         if test "x$valgrind_include" != "x"; then
  90             AC_CHECK_FILE($path/memcheck.h, [memcheck=yes])
  91             if test "x$memcheck" == "xyes"; then
  92                 AC_DEFINE(HAVE_MEMCHECK_H, 1, [memcheck.h])
  93             fi
  94             AC_DEFINE(HAVE_VALGRIND_H, 1, [valgrind.h])
  95         fi
  96     fi
  97
  98     path=/usr/local/include/
  99     if test "x$valgrind_include" == "x"; then
 100         AC_CHECK_FILE($path/valgrind.h, [valgrind_include=$path])
 101         if test "x$valgrind_include" != "x"; then
 102             AC_CHECK_FILE($path/memcheck.h, [memcheck=yes])
 103             if test "x$memcheck" == "xyes"; then
 104                 AC_DEFINE(HAVE_MEMCHECK_H, 1, [memcheck.h])
 105             fi
 106             AC_DEFINE(HAVE_VALGRIND_H, 1, [valgrind.h])
 107         fi
 108     fi
 109
 110     if test "x$valgrind_include" == "x"; then
 111         AC_MSG_ERROR([Can't find valgrind.h include file])
 112     fi
 113 fi
 114
 115 if test "x$valgrind_include" != "x"; then
 116     CPPFLAGS="$CPPFLAGS -I $valgrind_include"
 117 fi
 118
 119 # note that we've switch from config.h.in to config_h.in for
 120 # compatibility with various crappy win32 zip programs :o(
 121 AM_CONFIG_HEADER([src/include/config.h:src/include/config_h.in])
 122 #AM_INIT_AUTOMAKE(subdir-objects)
 123 AM_INIT_AUTOMAKE(dist-bzip2 dist-zip subdir-objects)
 124
 125 AC_CONFIG_SRCDIR(src/commandline.c)
 126
 127 # figure out which OS specific include directory should be used (FIXME)
 128 case $target_os in
 129 *linux*)
 130   AC_SUBST(OS, LINUX)
 131   osinclude=linux ;;
 132 *solaris*)
 133   AC_SUBST(OS, SUNOS)
 134   osinclude=sunos ;;
 135 *freebsd*)
 136   AC_SUBST(OS, FREEBSD)
 137   osinclude=freebsd ;;
 138 *darwin*)
 139   AC_SUBST(OS, DARWIN)
 140   osinclude=darwin ;;
 141 *cygwin*)
 142   AC_SUBST(OS, CYGWIN)
 143   osinclude=cygwin ;;
 144 default)
 145   AC_SUBST(OS, LINUX)
 146   osinclude=linux ;;
 147 esac
 148
 149 # export variable for use in makefile
 150 AC_SUBST(OSINCLUDE, [$osinclude])
 151
 152 # checks for programs
 153 AM_PROG_CC_C_O()    # support subdir objects for automake
 154 AC_PROG_CC
 155 LT_INIT
 156 AM_PATH_PYTHON(2.2,,:)  # need python2.2+ for build
 157 AM_CONDITIONAL([HAVE_PYTHON], [test "$PYTHON" != :])
 158
 159 # Checks for header files.
 160 AC_HEADER_STDC
 161 AC_CHECK_HEADERS([fcntl.h float.h limits.h memory.h stdlib.h string.h strings.h sys/time.h unistd.h])
 162
 163 # determine endian-ness of target compiler (sets WORDS_BIGENDIAN if true)
 164 AC_C_BIGENDIAN()
 165
 166 AC_CHECK_TYPE(uint_fast32_t, unsigned long int)
 167 AC_CHECK_TYPE(uint32_t, unsigned long int)
 168 AC_CHECK_TYPE(uint16_t, unsigned short int)
 169 AC_CHECK_TYPE(uint8_t, unsigned char)
 170
 171 # Checks for typedefs, structures, and compiler characteristics.
 172 AC_C_CONST
 173 AC_TYPE_SIZE_T
 174 AC_HEADER_TIME
 175
 176 # Checks for library functions.
 177 AC_FUNC_MALLOC
 178 AC_FUNC_MEMCMP
 179 AC_FUNC_REALLOC
 180 AC_FUNC_STAT
 181 AC_CHECK_FUNCS([getcwd gettimeofday memmove memset strcasecmp strchr strerror strncasecmp strrchr strtol])
 182
 183 # check for libraries that we use
 184 AC_CHECK_LIB(z, deflate)
 185 AC_CHECK_LIB(m, sqrt)
 186 AC_CHECK_LIB(mx, sqrtf, [], # mx contains the floating point functions on darwin
 187
 188   # failed, look for sqrtf in libm
 189   [AC_CHECK_LIB(m, sqrtf,
 190
 191     # on success, do nothing (prevents -lm being added twice)
 192     [echo -n ""],
 193
 194     # define away sqrtf and friends in the firstinclude file, since we
 195     # can't find them.  Filter out previous #define's first.
 196     [echo "reconfiguring to use double functions instead of float functions"
 197      cat src/include/$osinclude/firstinclude.h | grep -v "define sqrtf" | grep -v "define logf" | grep -v "define ldexpf" | grep -v "define frexpf" > firstinclude.h
 198      echo "#ifndef sqrtf /* define sqrtf */" >> firstinclude.h
 199      echo "#define sqrtf sqrt" >> firstinclude.h
 200      echo "#endif /* define sqrtf */" >> firstinclude.h
 201      echo "#ifndef logf /* define logf */" >> firstinclude.h
 202      echo "#define logf log" >> firstinclude.h
 203      echo "#endif /* define logf */" >> firstinclude.h
 204      echo "#ifndef ldexpf /* define ldexpf */" >> firstinclude.h
 205      echo "#define ldexpf ldexp" >> firstinclude.h
 206      echo "#endif /* define ldexpf */" >> firstinclude.h
 207      echo "#ifndef frexpf /* define frexpf */" >> firstinclude.h
 208      echo "#define frexpf frexp" >> firstinclude.h
 209      echo "#endif /* define frexpf */" >> firstinclude.h
 210      mv firstinclude.h src/include/$osinclude/firstinclude.h
 211     ])])
 212
 213 AC_CONFIG_FILES([Makefile])
 214 AC_OUTPUT
 215 AC_CONFIG_FILES([setup.py])
 216 AC_OUTPUT
 217
 218 # Nick (recommended by libtoolize)
 219 AC_CONFIG_MACRO_DIRS([m4])