configure.in

   1 dnl Process this file with autoconf to produce a configure script
   2
   3 dnl ------------------------------------------------
   4 dnl Initialization and Versioning
   5 dnl ------------------------------------------------
   6
   7 AC_INIT(lib/mdct.c)
   8 AM_INIT_AUTOMAKE(libvorbis,1.0.0)
   9
  10 dnl Library versioning
  11
  12 V_LIB_CURRENT=0
  13 V_LIB_REVISION=0
  14 V_LIB_AGE=0
  15 VF_LIB_CURRENT=0
  16 VF_LIB_REVISION=0
  17 VF_LIB_AGE=0
  18 AC_SUBST(V_LIB_CURRENT)
  19 AC_SUBST(V_LIB_REVISION)
  20 AC_SUBST(V_LIB_AGE)
  21 AC_SUBST(VF_LIB_CURRENT)
  22 AC_SUBST(VF_LIB_REVISION)
  23 AC_SUBST(VF_LIB_AGE)
  24
  25 dnl --------------------------------------------------
  26 dnl Check for programs
  27 dnl --------------------------------------------------
  28
  29 dnl save $CFLAGS since AC_PROG_CC likes to insert "-g -O2"
  30 dnl if $CFLAGS is blank
  31 cflags_save="$CFLAGS"
  32 AC_PROG_CC
  33 CFLAGS="$cflags_save"
  34
  35 AM_PROG_LIBTOOL
  36
  37 dnl --------------------------------------------------
  38 dnl Additional arguments
  39 dnl --------------------------------------------------
  40
  41 AC_ARG_WITH(ogg, [  --with-ogg=DIR          Set where the Ogg library is located])
  42
  43 dnl --------------------------------------------------
  44 dnl Set build flags based on environment
  45 dnl --------------------------------------------------
  46
  47 AC_CANONICAL_HOST
  48
  49 dnl Set some target options
  50 if test -z "$GCC"; then
  51         case $host in
  52         *-*-irix*)
  53                 dnl If we're on IRIX, we wanna use cc even if gcc
  54                 dnl is there (unless the user has overriden us)...
  55                 if test -z "$CC"; then
  56                         CC=cc
  57                 fi
  58                 DEBUG="-g -signed"
  59                 CFLAGS="-O2 -w -signed"
  60                 PROFILE="-p -g3 -O2 -signed" ;;
  61         sparc-sun-solaris*)
  62                 DEBUG="-v -g"
  63                 CFLAGS="-xO4 -fast -w -fsimple -native -xcg92"
  64                 PROFILE="-v -xpg -g -xO4 -fast -native -fsimple -xcg92 -Dsuncc" ;;
  65         *)
  66                 DEBUG="-g"
  67                 CFLAGS="-O"
  68                 PROFILE="-g -p" ;;
  69         esac
  70 else
  71
  72         case $host in
  73         *86-*-linux*)
  74                 DEBUG="-g -Wall -D_REENTRANT -D__NO_MATH_INLINES -fsigned-char"
  75                 CFLAGS="-O20 -ffast-math -mno-ieee-fp -D_REENTRANT -fsigned-char"
  76 #               PROFILE="-Wall -W -pg -O20 -ffast-math -D_REENTRANT -fsigned-char -fno-inline -static"
  77                 PROFILE="-Wall -W -pg -O20 -ffast-math -mno-ieee-fp -D_REENTRANT -fsigned-char -fno-inline -static"
  78
  79                 # glibc < 2.1.3 has a serious FP bug in the math inline header
  80                 # that will cripple Vorbis.  Look to see if the magic FP stack
  81                 # clobber is missing in the mathinline header, thus indicating
  82                 # the buggy version
  83
  84                 AC_EGREP_CPP(log10.*fldlg2.*fxch,[
  85                                 #define __LIBC_INTERNAL_MATH_INLINES 1
  86                                 #define __OPTIMIZE__
  87                                 #include <math.h>
  88                                 ],bad=maybe,bad=no)
  89                 if test ${bad} = "maybe" ;then
  90                       AC_EGREP_CPP(log10.*fldlg2.*fxch.*st\([[0123456789]]*\),
  91                                         [
  92                                         #define __LIBC_INTERNAL_MATH_INLINES 1
  93                                         #define __OPTIMIZE__
  94                                         #include <math.h>
  95                                         ],bad=no,bad=yes)
  96                 fi
  97                 if test ${bad} = "yes" ;then
  98  AC_MSG_WARN([                                                        ])
  99  AC_MSG_WARN([********************************************************])
 100  AC_MSG_WARN([* The glibc headers on this machine have a serious bug *])
 101  AC_MSG_WARN([* in /usr/include/bits/mathinline.h  This bug affects  *])
 102  AC_MSG_WARN([* all floating point code, not just Ogg, built on this *])
 103  AC_MSG_WARN([* machine.  Upgrading to glibc 2.1.3 is strongly urged *])
 104  AC_MSG_WARN([* to correct the problem.  Note that upgrading glibc   *])
 105  AC_MSG_WARN([* will not fix any previously built programs; this is  *])
 106  AC_MSG_WARN([* a compile-time time bug.                             *])
 107  AC_MSG_WARN([* To work around the problem for this build of Ogg,    *])
 108  AC_MSG_WARN([* autoconf is disabling all math inlining.  This will  *])
 109  AC_MSG_WARN([* hurt Ogg performace but is necessary for an Ogg that *])
 110  AC_MSG_WARN([* will actually work.  Once glibc is upgraded, rerun   *])
 111  AC_MSG_WARN([* configure and make to build with inlining.           *])
 112  AC_MSG_WARN([********************************************************])
 113  AC_MSG_WARN([                                                        ])
 114
 115                 CFLAGS=${OPT}" -D__NO_MATH_INLINES"
 116                 PROFILE=${PROFILE}" -D__NO_MATH_INLINES"
 117                 fi;;
 118         *-*-linux*)
 119                 DEBUG="-g -Wall -D_REENTRANT -D__NO_MATH_INLINES -fsigned-char"
 120                 CFLAGS="-O20 -ffast-math -D_REENTRANT -fsigned-char"
 121                 PROFILE="-pg -g -O20 -ffast-math -D_REENTRANT -fsigned-char";;
 122         sparc-sun-*)
 123                 DEBUG="-g -Wall -D__NO_MATH_INLINES -fsigned-char -mv8"
 124                 CFLAGS="-O20 -ffast-math -D__NO_MATH_INLINES -fsigned-char -mv8"
 125                 PROFILE="-pg -g -O20 -D__NO_MATH_INLINES -fsigned-char -mv8" ;;
 126         *)
 127                 DEBUG="-g -Wall -D__NO_MATH_INLINES -fsigned-char"
 128                 CFLAGS="-O20 -D__NO_MATH_INLINES -fsigned-char"
 129                 PROFILE="-O20 -g -pg -D__NO_MATH_INLINES -fsigned-char" ;;
 130         esac
 131 fi
 132
 133 AC_HEADER_STDC
 134
 135 dnl AC_PATH_X
 136 dnl AC_PATH_XTRA
 137
 138 #AC_CHECK_LIB(pthread, pthread_create,
 139 #       pthread_lib="-lpthread"; AC_DEFINE(HAVE_LIBPTHREAD), :)
 140 # We no longer use config.h
 141 AC_CHECK_LIB(pthread, pthread_create, pthread_lib="-lpthread", :)
 142
 143 #dnl Linuxthreads require you to define _REENTRANT in all threaded
 144 #dnl code.  Bogus, bogus...
 145 #
 146 #if test -n "$pthread_lib"; then
 147 #       case $host in
 148 #       i?86-*-linux*)
 149 #               AC_DEFINE(_REENTRANT)
 150 #               ;;
 151 #       esac
 152 #fi
 153 # We no longer use config.h
 154
 155 #if test -n "$x_libraries"; then
 156 #       XOGG="yes"
 157 #
 158 #       dnl If we find libgtk installed, great; otherwise assume we have
 159 #       dnl to build it ourselves.
 160 #
 161 #       AC_CHECK_LIB(gtk, gtk_main, :, LIBGTKDIR="libgtk", $X_LIBS -lglib -lgdk -lX11 -lXext -lm)
 162 #
 163 #       dnl libpthread is required for xogg.
 164 #
 165 #       if test -z "$pthread_lib"; then XOGG=""; fi
 166 #
 167 #       dnl If we don't have libgtk installed, and we don't have a libgtk
 168 #       dnl  subdirectory to build the library ourself, we can't build xogg.
 169 #
 170 #       if test -n "$LIBGTKDIR" -a ! -d "$LIBGTKDIR"; then
 171 #               XOGG=""
 172 #               LIBGTKDIR=""
 173 #       fi
 174 #fi
 175
 176 dnl This seems to be the only way to make autoconf only *sometimes* configure
 177 dnl a subdirectory with AC_CONFIG_SUBDIRS.  "__noconf" is assumed to not
 178 dnl exist as a directory, so configure won't try to recursively enter it, unless
 179 dnl the shell variable $dummy is reset to an existing directory inside the
 180 dnl if clause.
 181
 182 dummy="__noconf"
 183
 184 #if test -d "$LIBGTKDIR"; then
 185 #       enable_shared="no"; export enable_shared
 186 #       dummy="libgtk"
 187 #       AC_CONFIG_SUBDIRS("$dummy")
 188 #       X_LIBS="-L${srcdir}/libgtk/gtk/.libs -L${srcdir}/libgtk/gdk/.libs -L${srcdir}/libgtk/glib/.libs $X_LIBS"
 189 #fi
 190
 191 # check macro modified from Jon Shiring's to compensate for autoconf's lagging
 192 # behind the times on type madness
 193
 194 AC_MSG_CHECKING(for int16_t)
 195 AC_CACHE_VAL(has_int16_t,
 196 [AC_TRY_RUN([
 197 #ifdef __BEOS__
 198 #include <inttypes.h>
 199 #endif
 200 #include <sys/types.h>
 201 int16_t foo;
 202 int main() {return 0;}
 203 ],
 204 has_int16_t=yes,
 205 has_int16_t=no,
 206 has_int16_t=no
 207 )])
 208 AC_MSG_RESULT($has_int16_t)
 209
 210 AC_MSG_CHECKING(for int32_t)
 211 AC_CACHE_VAL(has_int32_t,
 212 [AC_TRY_RUN([
 213 #ifdef __BEOS__
 214 #include <inttypes.h>
 215 #endif
 216 #include <sys/types.h>
 217 int32_t foo;
 218 int main() {return 0;}
 219 ],
 220 has_int32_t=yes,
 221 has_int32_t=no,
 222 has_int32_t=no
 223 )])
 224 AC_MSG_RESULT($has_int32_t)
 225
 226 AC_MSG_CHECKING(for uint32_t)
 227 AC_CACHE_VAL(has_uint32_t,
 228 [AC_TRY_RUN([
 229 #ifdef __BEOS__
 230 #include <inttypes.h>
 231 #endif
 232 #include <sys/types.h>
 233 uint32_t foo;
 234 int main() {return 0;}
 235 ],
 236 has_uint32_t=yes,
 237 has_uint32_t=no,
 238 has_uint32_t=no
 239 )])
 240 AC_MSG_RESULT($has_uint32_t)
 241
 242 AC_MSG_CHECKING(for u_int32_t)
 243 AC_CACHE_VAL(has_u_int32_t,
 244 [AC_TRY_RUN([
 245 #ifdef __BEOS__
 246 #include <inttypes.h>
 247 #endif
 248 #include <sys/types.h>
 249 u_int32_t foo;
 250 int main() {return 0;}
 251 ],
 252 has_u_int32_t=yes,
 253 has_u_int32_t=no,
 254 has_u_int32_t=no
 255 )])
 256 AC_MSG_RESULT($has_u_int32_t)
 257
 258 AC_MSG_CHECKING(for int64_t)
 259 AC_CACHE_VAL(has_int64_t,
 260 [AC_TRY_RUN([
 261 #ifdef __BEOS__
 262 #include <inttypes.h>
 263 #endif
 264 #include <sys/types.h>
 265 int64_t foo;
 266 int main() {return 0;}
 267 ],
 268 has_int64_t=yes,
 269 has_int64_t=no,
 270 has_int64_t=no
 271 )])
 272 AC_MSG_RESULT($has_int64_t)
 273
 274 AC_CHECK_SIZEOF(short)
 275 AC_CHECK_SIZEOF(int)
 276 AC_CHECK_SIZEOF(long)
 277 AC_CHECK_SIZEOF(long long)
 278
 279
 280 if test x$has_int16_t = "xyes" ; then
 281         SIZE16="int16_t"
 282 else
 283         case 2 in
 284                 $ac_cv_sizeof_short) SIZE16="short";;
 285                 $ac_cv_sizeof_int) SIZE16="int";;
 286         esac
 287 fi
 288
 289 dnl --------------------------------------------------
 290 dnl Check for headers
 291 dnl --------------------------------------------------
 292
 293 AC_CHECK_HEADER(memory.h,CFLAGS="$CFLAGS -DUSE_MEMORY_H",:)
 294
 295 dnl --------------------------------------------------
 296 dnl Check for typedefs, structures, etc
 297 dnl --------------------------------------------------
 298
 299 dnl none
 300
 301 dnl --------------------------------------------------
 302 dnl Check for libraries
 303 dnl --------------------------------------------------
 304
 305 AC_CHECK_LIB(m, cos, LIBS="-lm", LIBS="")
 306 AC_CHECK_LIB(pthread, pthread_create, pthread_lib="-lpthread", :)
 307
 308 dnl Check for libogg
 309 if test -n $with_ogg; then
 310         CFLAGS="$CFLAGS -I$with_ogg/include -L$with_ogg/lib"
 311 fi
 312 AC_CHECK_LIB(ogg, oggpack_read, LIBS="$LIBS -logg", AC_MSG_ERROR([You must have libogg to compile vorbis!!!]))
 313
 314 dnl --------------------------------------------------
 315 dnl Check for library functions
 316 dnl --------------------------------------------------
 317
 318 AC_FUNC_ALLOCA
 319 AC_FUNC_MEMCMP
 320
 321 dnl --------------------------------------------------
 322 dnl Do substitutions
 323 dnl --------------------------------------------------
 324
 325 AC_SUBST(LIBS)
 326 AC_SUBST(DEBUG)
 327 AC_SUBST(PROFILE)
 328 AC_SUBST(CC)
 329 AC_SUBST(pthread_lib)
 330
 331 AC_OUTPUT(Makefile lib/Makefile doc/Makefile include/Makefile include/vorbis/Makefile include/vorbis/book/Makefile examples/Makefile)