configure.ac

   1 dnl Process this file with autoconf to produce a configure script
   2
   3 dnl ------------------------------------------------
   4 dnl Initialization and Versioning
   5 dnl ------------------------------------------------
   6
   7
   8 AC_INIT([libvorbis],[1.3.4],[vorbis-dev@xiph.org])
   9
  10 AC_CONFIG_SRCDIR([lib/mdct.c])
  11 AC_CONFIG_MACRO_DIR([m4])
  12 AC_CANONICAL_TARGET([])
  13
  14 AM_INIT_AUTOMAKE
  15 AM_MAINTAINER_MODE
  16
  17 dnl Add parameters for aclocal
  18 AC_SUBST(ACLOCAL_AMFLAGS, "-I m4")
  19
  20 dnl Library versioning
  21 dnl - library source changed -> increment REVISION
  22 dnl - interfaces added/removed/changed -> increment CURRENT, REVISION = 0
  23 dnl - interfaces added -> increment AGE
  24 dnl - interfaces removed -> AGE = 0
  25
  26 V_LIB_CURRENT=4
  27 V_LIB_REVISION=7
  28 V_LIB_AGE=4
  29
  30 VF_LIB_CURRENT=6
  31 VF_LIB_REVISION=6
  32 VF_LIB_AGE=3
  33
  34 VE_LIB_CURRENT=2
  35 VE_LIB_REVISION=10
  36 VE_LIB_AGE=0
  37
  38 AC_SUBST(V_LIB_CURRENT)
  39 AC_SUBST(V_LIB_REVISION)
  40 AC_SUBST(V_LIB_AGE)
  41 AC_SUBST(VF_LIB_CURRENT)
  42 AC_SUBST(VF_LIB_REVISION)
  43 AC_SUBST(VF_LIB_AGE)
  44 AC_SUBST(VE_LIB_CURRENT)
  45 AC_SUBST(VE_LIB_REVISION)
  46 AC_SUBST(VE_LIB_AGE)
  47
  48 dnl --------------------------------------------------
  49 dnl Check for programs
  50 dnl --------------------------------------------------
  51
  52 dnl save $CFLAGS since AC_PROG_CC likes to insert "-g -O2"
  53 dnl if $CFLAGS is blank
  54 cflags_save="$CFLAGS"
  55 AC_PROG_CC
  56 AC_PROG_CPP
  57 CFLAGS="$cflags_save"
  58
  59 AC_C_INLINE
  60
  61 AC_LIBTOOL_WIN32_DLL
  62 AC_PROG_LIBTOOL
  63 AM_PROG_CC_C_O
  64
  65 dnl Check for doxygen
  66 if test "x$enable_docs" = xyes; then
  67   AC_CHECK_PROG(HAVE_DOXYGEN, doxygen, true, false)
  68   if test $HAVE_DOXYGEN = "false"; then
  69     AC_MSG_WARN([*** doxygen not found, API documentation will not be built])
  70   fi
  71 else
  72   HAVE_DOXYGEN=false
  73 fi
  74 AM_CONDITIONAL(HAVE_DOXYGEN,$HAVE_DOXYGEN)
  75
  76 dnl latex tools for the specification document
  77 AC_ARG_ENABLE(docs,
  78         AC_HELP_STRING([--enable-docs], [build the documentation]))
  79
  80 if test "x$enable_docs" = xyes; then
  81   AC_CHECK_PROGS([PDFLATEX], pdflatex, [/bin/false])
  82   AC_CHECK_PROGS([HTLATEX], htlatex, [/bin/false])
  83   if test "x$PDFLATEX" = x/bin/false || test "x$HTLATEX" = x/bin/false; then
  84     enable_docs=no
  85     AC_MSG_WARN([Documentation will not be built!])
  86   fi
  87 fi
  88
  89 AM_CONDITIONAL(BUILD_DOCS, [test "x$enable_docs" = xyes])
  90
  91 AC_ARG_ENABLE(examples,
  92   AS_HELP_STRING([--enable-examples], [build the examples]))
  93
  94 AM_CONDITIONAL(BUILD_EXAMPLES, [test "x$enable_examples" = xyes])
  95
  96 dnl --------------------------------------------------
  97 dnl Set build flags based on environment
  98 dnl --------------------------------------------------
  99
 100 dnl Set some target options
 101
 102 cflags_save="$CFLAGS"
 103 if test -z "$GCC"; then
 104         case $host in
 105         *-*-irix*)
 106                 dnl If we're on IRIX, we wanna use cc even if gcc
 107                 dnl is there (unless the user has overriden us)...
 108                 if test -z "$CC"; then
 109                         CC=cc
 110                 fi
 111                 DEBUG="-g -signed"
 112                 CFLAGS="-O2 -w -signed"
 113                 PROFILE="-p -g3 -O2 -signed" ;;
 114         sparc-sun-solaris*)
 115                 DEBUG="-v -g"
 116                 CFLAGS="-xO4 -fast -w -fsimple -native -xcg92"
 117                 PROFILE="-v -xpg -g -xO4 -fast -native -fsimple -xcg92 -Dsuncc" ;;
 118         *)
 119                 DEBUG="-g"
 120                 CFLAGS="-O"
 121                 PROFILE="-g -p" ;;
 122         esac
 123 else
 124
 125         AC_MSG_CHECKING([GCC version])
 126         GCC_VERSION=`$CC -dumpversion`
 127         AC_MSG_RESULT([$GCC_VERSION])
 128         case $host in
 129         *86-*-linux*)
 130                 DEBUG="-g -Wall -Wextra -D_REENTRANT -D__NO_MATH_INLINES -fsigned-char"
 131                 CFLAGS="-O20 -ffast-math -mno-ieee-fp -D_REENTRANT -fsigned-char"
 132 #               PROFILE="-Wall -Wextra -pg -g -O20 -ffast-math -D_REENTRANT -fsigned-char -fno-inline -static"
 133                 PROFILE="-Wall -Wextra -pg -g -O20 -ffast-math -mno-ieee-fp -D_REENTRANT -fsigned-char -fno-inline"
 134
 135                 # glibc < 2.1.3 has a serious FP bug in the math inline header
 136                 # that will cripple Vorbis.  Look to see if the magic FP stack
 137                 # clobber is missing in the mathinline header, thus indicating
 138                 # the buggy version
 139
 140                 AC_EGREP_CPP(log10.*fldlg2.*fxch,[
 141                                 #define __LIBC_INTERNAL_MATH_INLINES 1
 142                                 #define __OPTIMIZE__
 143                                 #include <math.h>
 144                                 ],bad=maybe,bad=no)
 145                 if test ${bad} = "maybe" ;then
 146                       AC_EGREP_CPP(log10.*fldlg2.*fxch.*st\([[0123456789]]*\),
 147                                         [
 148                                         #define __LIBC_INTERNAL_MATH_INLINES 1
 149                                         #define __OPTIMIZE__
 150                                         #include <math.h>
 151                                         ],bad=no,bad=yes)
 152                 fi
 153                 if test ${bad} = "yes" ;then
 154  AC_MSG_WARN([                                                        ])
 155  AC_MSG_WARN([********************************************************])
 156  AC_MSG_WARN([* The glibc headers on this machine have a serious bug *])
 157  AC_MSG_WARN([* in /usr/include/bits/mathinline.h  This bug affects  *])
 158  AC_MSG_WARN([* all floating point code, not just Ogg, built on this *])
 159  AC_MSG_WARN([* machine.  Upgrading to glibc 2.1.3 is strongly urged *])
 160  AC_MSG_WARN([* to correct the problem.  Note that upgrading glibc   *])
 161  AC_MSG_WARN([* will not fix any previously built programs; this is  *])
 162  AC_MSG_WARN([* a compile-time bug.                                  *])
 163  AC_MSG_WARN([* To work around the problem for this build of Ogg,    *])
 164  AC_MSG_WARN([* autoconf is disabling all math inlining.  This will  *])
 165  AC_MSG_WARN([* hurt Ogg performace but is necessary for an Ogg that *])
 166  AC_MSG_WARN([* will actually work.  Once glibc is upgraded, rerun   *])
 167  AC_MSG_WARN([* configure and make to build with inlining.           *])
 168  AC_MSG_WARN([********************************************************])
 169  AC_MSG_WARN([                                                        ])
 170
 171                 CFLAGS=${OPT}" -D__NO_MATH_INLINES"
 172                 PROFILE=${PROFILE}" -D__NO_MATH_INLINES"
 173                 fi;;
 174         powerpc-*-linux*spe)
 175                 DEBUG="-g -Wall -Wextra -D_REENTRANT -D__NO_MATH_INLINES"
 176                 CFLAGS="-O3 -Wall -Wextra -ffast-math -mfused-madd -D_REENTRANT"
 177                 PROFILE="-pg -g -O3 -ffast-math -mfused-madd -D_REENTRANT";;
 178         powerpc-*-linux*)
 179                 DEBUG="-g -Wall -Wextra -D_REENTRANT -D__NO_MATH_INLINES"
 180                 CFLAGS="-O3 -Wall -Wextra -ffast-math -mfused-madd -mcpu=750 -D_REENTRANT"
 181                 PROFILE="-pg -g -O3 -ffast-math -mfused-madd -mcpu=750 -D_REENTRANT";;
 182         *-*-linux*)
 183                 DEBUG="-g -Wall -Wextra -D_REENTRANT -D__NO_MATH_INLINES -fsigned-char"
 184                 CFLAGS="-O20 -Wall -Wextra -ffast-math -D_REENTRANT -fsigned-char"
 185                 PROFILE="-pg -g -O20 -ffast-math -D_REENTRANT -fsigned-char";;
 186         sparc-sun-*)
 187                 sparc_cpu=""
 188                 AC_MSG_CHECKING([if gcc supports -mv8])
 189                 old_cflags="$CFLAGS"
 190                 CFLAGS="$CFLAGS -mv8"
 191                 AC_TRY_COMPILE(, [return 0;], [
 192                         AC_MSG_RESULT([yes])
 193                         sparc_cpu="-mv8"
 194                 ])
 195                 CFLAGS="$old_cflags"
 196                 DEBUG="-g -Wall -Wextra -D__NO_MATH_INLINES -fsigned-char $sparc_cpu"
 197                 CFLAGS="-O20 -Wall -Wextra -ffast-math -D__NO_MATH_INLINES -fsigned-char $sparc_cpu"
 198                 PROFILE="-pg -g -O20 -D__NO_MATH_INLINES -fsigned-char $sparc_cpu" ;;
 199         *-*-darwin*)
 200                 DEBUG="-DDARWIN -fno-common -force_cpusubtype_ALL -Wall -g -O0 -fsigned-char"
 201                 CFLAGS="-DDARWIN -fno-common -force_cpusubtype_ALL -Wall -g -O4 -ffast-math -fsigned-char"
 202                 PROFILE="-DDARWIN -fno-common -force_cpusubtype_ALL -Wall -g -pg -O4 -ffast-math -fsigned-char";;
 203         *-*-os2*)
 204                 # Use -W instead of -Wextra because gcc on OS/2 is an old version.
 205                 DEBUG="-g -Wall -W -D_REENTRANT -D__NO_MATH_INLINES -fsigned-char"
 206                 CFLAGS="-O20 -Wall -W -ffast-math -D_REENTRANT -fsigned-char"
 207                 PROFILE="-pg -g -O20 -ffast-math -D_REENTRANT -fsigned-char";;
 208         *)
 209                 DEBUG="-g -Wall -Wextra -D__NO_MATH_INLINES -fsigned-char"
 210                 CFLAGS="-O20 -Wall -Wextra -D__NO_MATH_INLINES -fsigned-char"
 211                 PROFILE="-O20 -g -pg -D__NO_MATH_INLINES -fsigned-char" ;;
 212         esac
 213
 214         AC_ADD_CFLAGS([-Wdeclaration-after-statement])
 215 fi
 216 CFLAGS="$CFLAGS $cflags_save"
 217
 218 dnl --------------------------------------------------
 219 dnl Check for headers
 220 dnl --------------------------------------------------
 221
 222 AC_CHECK_HEADER(memory.h,CFLAGS="$CFLAGS -DUSE_MEMORY_H",:)
 223
 224 dnl --------------------------------------------------
 225 dnl Check for typedefs, structures, etc
 226 dnl --------------------------------------------------
 227
 228 dnl none
 229
 230 dnl --------------------------------------------------
 231 dnl Check for libraries
 232 dnl --------------------------------------------------
 233
 234 AC_CHECK_LIB(m, cos, VORBIS_LIBS="-lm", VORBIS_LIBS="")
 235 AC_CHECK_LIB(pthread, pthread_create, pthread_lib="-lpthread", :)
 236
 237 PKG_PROG_PKG_CONFIG
 238
 239 HAVE_OGG=no
 240 if test "x$PKG_CONFIG" != "x"
 241 then
 242   PKG_CHECK_MODULES(OGG, ogg >= 1.0, HAVE_OGG=yes, HAVE_OGG=no)
 243 fi
 244 if test "x$HAVE_OGG" = "xno"
 245 then
 246   dnl fall back to the old school test
 247   XIPH_PATH_OGG(, AC_MSG_ERROR(must have Ogg installed!))
 248   libs_save=$LIBS
 249   LIBS="$OGG_LIBS $VORBIS_LIBS"
 250   AC_CHECK_FUNC(oggpack_writealign, , AC_MSG_ERROR(Ogg >= 1.0 required !))
 251   LIBS=$libs_save
 252 fi
 253
 254 dnl --------------------------------------------------
 255 dnl Check for library functions
 256 dnl --------------------------------------------------
 257
 258 AC_FUNC_ALLOCA
 259 AC_FUNC_MEMCMP
 260
 261 dnl --------------------------------------------------
 262 dnl Do substitutions
 263 dnl --------------------------------------------------
 264
 265 AC_SUBST(VORBIS_LIBS)
 266 AC_SUBST(DEBUG)
 267 AC_SUBST(PROFILE)
 268 AC_SUBST(pthread_lib)
 269
 270 dnl The following line causes the libtool distributed with the source
 271 dnl to be replaced if the build system has a more recent version.
 272 AC_SUBST(LIBTOOL_DEPS)
 273
 274 AC_CONFIG_FILES([
 275 Makefile
 276 m4/Makefile
 277 lib/Makefile
 278 lib/modes/Makefile
 279 lib/books/Makefile
 280 lib/books/coupled/Makefile
 281 lib/books/uncoupled/Makefile
 282 lib/books/floor/Makefile
 283 doc/Makefile doc/vorbisfile/Makefile doc/vorbisenc/Makefile doc/libvorbis/Makefile
 284 doc/Doxyfile
 285 include/Makefile include/vorbis/Makefile
 286 examples/Makefile
 287 test/Makefile
 288 vq/Makefile
 289 libvorbis.spec
 290 vorbis.pc
 291 vorbisenc.pc
 292 vorbisfile.pc
 293 vorbis-uninstalled.pc
 294 vorbisenc-uninstalled.pc
 295 vorbisfile-uninstalled.pc
 296 ])
 297 AC_CONFIG_HEADERS([config.h])
 298
 299 AC_OUTPUT