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 AC_CHECK_LIB(pthread, pthread_create, pthread_lib="-lpthread")
 136
 137 dnl This seems to be the only way to make autoconf only *sometimes* configure
 138 dnl a subdirectory with AC_CONFIG_SUBDIRS.  "__noconf" is assumed to not
 139 dnl exist as a directory, so configure won't try to recursively enter it, unless
 140 dnl the shell variable $dummy is reset to an existing directory inside the
 141 dnl if clause.
 142
 143 dummy="__noconf"
 144
 145 # check macro modified from Jon Shiring's to compensate for autoconf's lagging
 146 # behind the times on type madness
 147
 148 AC_MSG_CHECKING(for int16_t)
 149 AC_CACHE_VAL(has_int16_t,
 150 [AC_TRY_RUN([
 151 #ifdef __BEOS__
 152 #include <inttypes.h>
 153 #endif
 154 #include <sys/types.h>
 155 int16_t foo;
 156 int main() {return 0;}
 157 ],
 158 has_int16_t=yes,
 159 has_int16_t=no,
 160 has_int16_t=no
 161 )])
 162 AC_MSG_RESULT($has_int16_t)
 163
 164 AC_MSG_CHECKING(for int32_t)
 165 AC_CACHE_VAL(has_int32_t,
 166 [AC_TRY_RUN([
 167 #ifdef __BEOS__
 168 #include <inttypes.h>
 169 #endif
 170 #include <sys/types.h>
 171 int32_t foo;
 172 int main() {return 0;}
 173 ],
 174 has_int32_t=yes,
 175 has_int32_t=no,
 176 has_int32_t=no
 177 )])
 178 AC_MSG_RESULT($has_int32_t)
 179
 180 AC_MSG_CHECKING(for uint32_t)
 181 AC_CACHE_VAL(has_uint32_t,
 182 [AC_TRY_RUN([
 183 #ifdef __BEOS__
 184 #include <inttypes.h>
 185 #endif
 186 #include <sys/types.h>
 187 uint32_t foo;
 188 int main() {return 0;}
 189 ],
 190 has_uint32_t=yes,
 191 has_uint32_t=no,
 192 has_uint32_t=no
 193 )])
 194 AC_MSG_RESULT($has_uint32_t)
 195
 196 AC_MSG_CHECKING(for u_int32_t)
 197 AC_CACHE_VAL(has_u_int32_t,
 198 [AC_TRY_RUN([
 199 #ifdef __BEOS__
 200 #include <inttypes.h>
 201 #endif
 202 #include <sys/types.h>
 203 u_int32_t foo;
 204 int main() {return 0;}
 205 ],
 206 has_u_int32_t=yes,
 207 has_u_int32_t=no,
 208 has_u_int32_t=no
 209 )])
 210 AC_MSG_RESULT($has_u_int32_t)
 211
 212 AC_MSG_CHECKING(for int64_t)
 213 AC_CACHE_VAL(has_int64_t,
 214 [AC_TRY_RUN([
 215 #ifdef __BEOS__
 216 #include <inttypes.h>
 217 #endif
 218 #include <sys/types.h>
 219 int64_t foo;
 220 int main() {return 0;}
 221 ],
 222 has_int64_t=yes,
 223 has_int64_t=no,
 224 has_int64_t=no
 225 )])
 226 AC_MSG_RESULT($has_int64_t)
 227
 228 AC_CHECK_SIZEOF(short)
 229 AC_CHECK_SIZEOF(int)
 230 AC_CHECK_SIZEOF(long)
 231 AC_CHECK_SIZEOF(long long)
 232
 233
 234 if test x$has_int16_t = "xyes" ; then
 235         SIZE16="int16_t"
 236 else
 237         case 2 in
 238                 $ac_cv_sizeof_short) SIZE16="short";;
 239                 $ac_cv_sizeof_int) SIZE16="int";;
 240         esac
 241 fi
 242
 243 dnl --------------------------------------------------
 244 dnl Check for headers
 245 dnl --------------------------------------------------
 246
 247 AC_CHECK_HEADER(memory.h,CFLAGS="$CFLAGS -DUSE_MEMORY_H",:)
 248
 249 dnl --------------------------------------------------
 250 dnl Check for typedefs, structures, etc
 251 dnl --------------------------------------------------
 252
 253 dnl none
 254
 255 dnl --------------------------------------------------
 256 dnl Check for libraries
 257 dnl --------------------------------------------------
 258
 259 AC_CHECK_LIB(m, cos, LIBS="-lm", LIBS="")
 260 AC_CHECK_LIB(pthread, pthread_create, pthread_lib="-lpthread", :)
 261
 262 dnl Check for libogg
 263 if test -n $with_ogg; then
 264         CFLAGS="$CFLAGS -I$with_ogg/include -L$with_ogg/lib"
 265 fi
 266 AC_CHECK_LIB(ogg, oggpack_read, LIBS="$LIBS -logg", AC_MSG_ERROR([You must have libogg to compile vorbis!!!]))
 267
 268 dnl --------------------------------------------------
 269 dnl Check for library functions
 270 dnl --------------------------------------------------
 271
 272 AC_FUNC_ALLOCA
 273 AC_FUNC_MEMCMP
 274
 275 dnl --------------------------------------------------
 276 dnl Do substitutions
 277 dnl --------------------------------------------------
 278
 279 AC_SUBST(DEBUG)
 280 AC_SUBST(PROFILE)
 281 AC_SUBST(pthread_lib)
 282
 283 AC_OUTPUT(Makefile lib/Makefile doc/Makefile include/Makefile include/vorbis/Makefile include/vorbis/book/Makefile examples/Makefile)