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],[1.3.5],[vorbis-dev@xiph.org])
   9
  10 AC_CONFIG_MACRO_DIR([m4])
  11
  12 AC_CONFIG_SRCDIR([lib/mdct.c])
  13
  14 AC_CANONICAL_TARGET([])
  15
  16 AM_INIT_AUTOMAKE
  17 AM_MAINTAINER_MODE
  18
  19 dnl Add parameters for aclocal
  20 AC_SUBST(ACLOCAL_AMFLAGS, "-I m4")
  21
  22 dnl enable silent rules on automake 1.11 and later
  23 m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES([yes])])
  24
  25 dnl Library versioning
  26 dnl - library source changed -> increment REVISION
  27 dnl - interfaces added/removed/changed -> increment CURRENT, REVISION = 0
  28 dnl - interfaces added -> increment AGE
  29 dnl - interfaces removed -> AGE = 0
  30
  31 V_LIB_CURRENT=4
  32 V_LIB_REVISION=8
  33 V_LIB_AGE=4
  34
  35 VF_LIB_CURRENT=6
  36 VF_LIB_REVISION=7
  37 VF_LIB_AGE=3
  38
  39 VE_LIB_CURRENT=2
  40 VE_LIB_REVISION=11
  41 VE_LIB_AGE=0
  42
  43 AC_SUBST(V_LIB_CURRENT)
  44 AC_SUBST(V_LIB_REVISION)
  45 AC_SUBST(V_LIB_AGE)
  46 AC_SUBST(VF_LIB_CURRENT)
  47 AC_SUBST(VF_LIB_REVISION)
  48 AC_SUBST(VF_LIB_AGE)
  49 AC_SUBST(VE_LIB_CURRENT)
  50 AC_SUBST(VE_LIB_REVISION)
  51 AC_SUBST(VE_LIB_AGE)
  52
  53 dnl --------------------------------------------------
  54 dnl Check for programs
  55 dnl --------------------------------------------------
  56
  57 dnl save $CFLAGS since AC_PROG_CC likes to insert "-g -O2"
  58 dnl if $CFLAGS is blank
  59 cflags_save="$CFLAGS"
  60 AC_PROG_CC
  61 AC_PROG_CPP
  62 CFLAGS="$cflags_save"
  63
  64 AC_C_INLINE
  65
  66 AC_LIBTOOL_WIN32_DLL
  67 AC_PROG_LIBTOOL
  68 AM_PROG_CC_C_O
  69
  70 dnl Check for doxygen
  71 if test "x$enable_docs" = xyes; then
  72   AC_CHECK_PROG(HAVE_DOXYGEN, doxygen, true, false)
  73   if test $HAVE_DOXYGEN = "false"; then
  74     AC_MSG_WARN([*** doxygen not found, API documentation will not be built])
  75   fi
  76 else
  77   HAVE_DOXYGEN=false
  78 fi
  79 AM_CONDITIONAL(HAVE_DOXYGEN,$HAVE_DOXYGEN)
  80
  81 dnl latex tools for the specification document
  82 AC_ARG_ENABLE(docs,
  83         AC_HELP_STRING([--enable-docs], [build the documentation]))
  84
  85 if test "x$enable_docs" = xyes; then
  86   AC_CHECK_PROGS([PDFLATEX], pdflatex, [/bin/false])
  87   AC_CHECK_PROGS([HTLATEX], htlatex, [/bin/false])
  88   if test "x$PDFLATEX" = x/bin/false || test "x$HTLATEX" = x/bin/false; then
  89     enable_docs=no
  90     AC_MSG_WARN([Documentation will not be built!])
  91   fi
  92 fi
  93
  94 AM_CONDITIONAL(BUILD_DOCS, [test "x$enable_docs" = xyes])
  95
  96 AC_ARG_ENABLE(examples,
  97   AS_HELP_STRING([--enable-examples], [build the examples]))
  98
  99 AM_CONDITIONAL(BUILD_EXAMPLES, [test "x$enable_examples" = xyes])
 100
 101 dnl --------------------------------------------------
 102 dnl Set build flags based on environment
 103 dnl --------------------------------------------------
 104
 105 dnl Set some target options
 106
 107 cflags_save="$CFLAGS"
 108 if test -z "$GCC"; then
 109         case $host in
 110         *-*-irix*)
 111                 dnl If we're on IRIX, we wanna use cc even if gcc
 112                 dnl is there (unless the user has overriden us)...
 113                 if test -z "$CC"; then
 114                         CC=cc
 115                 fi
 116                 DEBUG="-g -signed"
 117                 CFLAGS="-O2 -w -signed"
 118                 PROFILE="-p -g3 -O2 -signed" ;;
 119         sparc-sun-solaris*)
 120                 DEBUG="-v -g"
 121                 CFLAGS="-xO4 -fast -w -fsimple -native -xcg92"
 122                 PROFILE="-v -xpg -g -xO4 -fast -native -fsimple -xcg92 -Dsuncc" ;;
 123         *)
 124                 DEBUG="-g"
 125                 CFLAGS="-O"
 126                 PROFILE="-g -p" ;;
 127         esac
 128 else
 129
 130         AC_MSG_CHECKING([GCC version])
 131         GCC_VERSION=`$CC -dumpversion`
 132         AC_MSG_RESULT([$GCC_VERSION])
 133         case $host in
 134         *86-*-linux*)
 135                 DEBUG="-g -Wall -Wextra -D_REENTRANT -D__NO_MATH_INLINES -fsigned-char"
 136                 CFLAGS="-O3 -Wall -Wextra -ffast-math -mno-ieee-fp -D_REENTRANT -fsigned-char"
 137 #               PROFILE="-Wall -Wextra -pg -g -O3 -ffast-math -D_REENTRANT -fsigned-char -fno-inline -static"
 138                 PROFILE="-Wall -Wextra -pg -g -O3 -ffast-math -mno-ieee-fp -D_REENTRANT -fsigned-char -fno-inline"
 139
 140                 # glibc < 2.1.3 has a serious FP bug in the math inline header
 141                 # that will cripple Vorbis.  Look to see if the magic FP stack
 142                 # clobber is missing in the mathinline header, thus indicating
 143                 # the buggy version
 144
 145                 AC_EGREP_CPP(log10.*fldlg2.*fxch,[
 146                                 #define __LIBC_INTERNAL_MATH_INLINES 1
 147                                 #define __OPTIMIZE__
 148                                 #include <math.h>
 149                                 ],bad=maybe,bad=no)
 150                 if test ${bad} = "maybe" ;then
 151                       AC_EGREP_CPP(log10.*fldlg2.*fxch.*st\([[0123456789]]*\),
 152                                         [
 153                                         #define __LIBC_INTERNAL_MATH_INLINES 1
 154                                         #define __OPTIMIZE__
 155                                         #include <math.h>
 156                                         ],bad=no,bad=yes)
 157                 fi
 158                 if test ${bad} = "yes" ;then
 159  AC_MSG_WARN([                                                        ])
 160  AC_MSG_WARN([********************************************************])
 161  AC_MSG_WARN([* The glibc headers on this machine have a serious bug *])
 162  AC_MSG_WARN([* in /usr/include/bits/mathinline.h  This bug affects  *])
 163  AC_MSG_WARN([* all floating point code, not just Ogg, built on this *])
 164  AC_MSG_WARN([* machine.  Upgrading to glibc 2.1.3 is strongly urged *])
 165  AC_MSG_WARN([* to correct the problem.  Note that upgrading glibc   *])
 166  AC_MSG_WARN([* will not fix any previously built programs; this is  *])
 167  AC_MSG_WARN([* a compile-time bug.                                  *])
 168  AC_MSG_WARN([* To work around the problem for this build of Ogg,    *])
 169  AC_MSG_WARN([* autoconf is disabling all math inlining.  This will  *])
 170  AC_MSG_WARN([* hurt Ogg performace but is necessary for an Ogg that *])
 171  AC_MSG_WARN([* will actually work.  Once glibc is upgraded, rerun   *])
 172  AC_MSG_WARN([* configure and make to build with inlining.           *])
 173  AC_MSG_WARN([********************************************************])
 174  AC_MSG_WARN([                                                        ])
 175
 176                 CFLAGS=${OPT}" -D__NO_MATH_INLINES"
 177                 PROFILE=${PROFILE}" -D__NO_MATH_INLINES"
 178                 fi;;
 179         powerpc-*-linux*spe)
 180                 DEBUG="-g -Wall -Wextra -D_REENTRANT -D__NO_MATH_INLINES"
 181                 CFLAGS="-O3 -Wall -Wextra -ffast-math -mfused-madd -D_REENTRANT"
 182                 PROFILE="-pg -g -O3 -ffast-math -mfused-madd -D_REENTRANT";;
 183         powerpc-*-linux*)
 184                 DEBUG="-g -Wall -Wextra -D_REENTRANT -D__NO_MATH_INLINES"
 185                 CFLAGS="-O3 -Wall -Wextra -ffast-math -mfused-madd -mcpu=750 -D_REENTRANT"
 186                 PROFILE="-pg -g -O3 -ffast-math -mfused-madd -mcpu=750 -D_REENTRANT";;
 187         *-*-linux*)
 188                 DEBUG="-g -Wall -Wextra -D_REENTRANT -D__NO_MATH_INLINES -fsigned-char"
 189                 CFLAGS="-O3 -Wall -Wextra -ffast-math -D_REENTRANT -fsigned-char"
 190                 PROFILE="-pg -g -O3 -ffast-math -D_REENTRANT -fsigned-char";;
 191         sparc-sun-*)
 192                 sparc_cpu=""
 193                 AC_MSG_CHECKING([if gcc supports -mv8])
 194                 old_cflags="$CFLAGS"
 195                 CFLAGS="$CFLAGS -mv8"
 196                 AC_TRY_COMPILE(, [return 0;], [
 197                         AC_MSG_RESULT([yes])
 198                         sparc_cpu="-mv8"
 199                 ])
 200                 CFLAGS="$old_cflags"
 201                 DEBUG="-g -Wall -Wextra -D__NO_MATH_INLINES -fsigned-char $sparc_cpu"
 202                 CFLAGS="-O3 -Wall -Wextra -ffast-math -D__NO_MATH_INLINES -fsigned-char $sparc_cpu"
 203                 PROFILE="-pg -g -O3 -D__NO_MATH_INLINES -fsigned-char $sparc_cpu" ;;
 204         *-*-darwin*)
 205                 DEBUG="-DDARWIN -fno-common -force_cpusubtype_ALL -Wall -g -O0 -fsigned-char"
 206                 CFLAGS="-DDARWIN -fno-common -force_cpusubtype_ALL -Wall -g -O3 -ffast-math -fsigned-char"
 207                 PROFILE="-DDARWIN -fno-common -force_cpusubtype_ALL -Wall -g -pg -O3 -ffast-math -fsigned-char";;
 208         *-*-os2*)
 209                 # Use -W instead of -Wextra because gcc on OS/2 is an old version.
 210                 DEBUG="-g -Wall -W -D_REENTRANT -D__NO_MATH_INLINES -fsigned-char"
 211                 CFLAGS="-O3 -Wall -W -ffast-math -D_REENTRANT -fsigned-char"
 212                 PROFILE="-pg -g -O3 -ffast-math -D_REENTRANT -fsigned-char";;
 213         *)
 214                 DEBUG="-g -Wall -Wextra -D__NO_MATH_INLINES -fsigned-char"
 215                 CFLAGS="-O3 -Wall -Wextra -D__NO_MATH_INLINES -fsigned-char"
 216                 PROFILE="-O3 -g -pg -D__NO_MATH_INLINES -fsigned-char" ;;
 217         esac
 218
 219         AC_ADD_CFLAGS([-Wdeclaration-after-statement])
 220 fi
 221 CFLAGS="$CFLAGS $cflags_save"
 222
 223 dnl --------------------------------------------------
 224 dnl Check for headers
 225 dnl --------------------------------------------------
 226
 227 AC_CHECK_HEADER(memory.h,CFLAGS="$CFLAGS -DUSE_MEMORY_H",:)
 228
 229 dnl --------------------------------------------------
 230 dnl Check for typedefs, structures, etc
 231 dnl --------------------------------------------------
 232
 233 dnl none
 234
 235 dnl --------------------------------------------------
 236 dnl Check for libraries
 237 dnl --------------------------------------------------
 238
 239 AC_CHECK_LIB(m, cos, VORBIS_LIBS="-lm", VORBIS_LIBS="")
 240 AC_CHECK_LIB(pthread, pthread_create, pthread_lib="-lpthread", :)
 241
 242 PKG_PROG_PKG_CONFIG
 243
 244 HAVE_OGG=no
 245 if test "x$PKG_CONFIG" != "x"
 246 then
 247   PKG_CHECK_MODULES(OGG, ogg >= 1.0, HAVE_OGG=yes, HAVE_OGG=no)
 248 fi
 249 if test "x$HAVE_OGG" = "xno"
 250 then
 251   dnl fall back to the old school test
 252   XIPH_PATH_OGG(, AC_MSG_ERROR(must have Ogg installed!))
 253   libs_save=$LIBS
 254   LIBS="$OGG_LIBS $VORBIS_LIBS"
 255   AC_CHECK_FUNC(oggpack_writealign, , AC_MSG_ERROR(Ogg >= 1.0 required !))
 256   LIBS=$libs_save
 257 fi
 258
 259 dnl --------------------------------------------------
 260 dnl Check for library functions
 261 dnl --------------------------------------------------
 262
 263 AC_FUNC_ALLOCA
 264 AC_FUNC_MEMCMP
 265
 266 dnl --------------------------------------------------
 267 dnl Do substitutions
 268 dnl --------------------------------------------------
 269
 270 AC_SUBST(VORBIS_LIBS)
 271 AC_SUBST(DEBUG)
 272 AC_SUBST(PROFILE)
 273 AC_SUBST(pthread_lib)
 274
 275 dnl The following line causes the libtool distributed with the source
 276 dnl to be replaced if the build system has a more recent version.
 277 AC_SUBST(LIBTOOL_DEPS)
 278
 279 AC_CONFIG_FILES([
 280 Makefile
 281 m4/Makefile
 282 lib/Makefile
 283 lib/modes/Makefile
 284 lib/books/Makefile
 285 lib/books/coupled/Makefile
 286 lib/books/uncoupled/Makefile
 287 lib/books/floor/Makefile
 288 doc/Makefile doc/vorbisfile/Makefile doc/vorbisenc/Makefile doc/libvorbis/Makefile
 289 doc/Doxyfile
 290 include/Makefile include/vorbis/Makefile
 291 examples/Makefile
 292 test/Makefile
 293 vq/Makefile
 294 libvorbis.spec
 295 vorbis.pc
 296 vorbisenc.pc
 297 vorbisfile.pc
 298 vorbis-uninstalled.pc
 299 vorbisenc-uninstalled.pc
 300 vorbisfile-uninstalled.pc
 301 ])
 302 AC_CONFIG_HEADERS([config.h])
 303
 304 AC_OUTPUT