libvorbis-1.0.1/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,1.0.1)
   9 AM_MAINTAINER_MODE
  10
  11 dnl Library versioning
  12
  13 V_LIB_CURRENT=3
  14 V_LIB_REVISION=0
  15 V_LIB_AGE=3
  16 VF_LIB_CURRENT=4
  17 VF_LIB_REVISION=0
  18 VF_LIB_AGE=1
  19 VE_LIB_CURRENT=2
  20 VE_LIB_REVISION=0
  21 VE_LIB_AGE=0
  22 AC_SUBST(V_LIB_CURRENT)
  23 AC_SUBST(V_LIB_REVISION)
  24 AC_SUBST(V_LIB_AGE)
  25 AC_SUBST(VF_LIB_CURRENT)
  26 AC_SUBST(VF_LIB_REVISION)
  27 AC_SUBST(VF_LIB_AGE)
  28 AC_SUBST(VE_LIB_CURRENT)
  29 AC_SUBST(VE_LIB_REVISION)
  30 AC_SUBST(VE_LIB_AGE)
  31
  32 dnl --------------------------------------------------
  33 dnl Check for programs
  34 dnl --------------------------------------------------
  35
  36 dnl save $CFLAGS since AC_PROG_CC likes to insert "-g -O2"
  37 dnl if $CFLAGS is blank
  38 cflags_save="$CFLAGS"
  39 AC_PROG_CC
  40 AC_PROG_CPP
  41 CFLAGS="$cflags_save"
  42
  43 AM_PROG_LIBTOOL
  44
  45 dnl docbook xml transform and processing tools
  46 AC_ARG_ENABLE(docs,
  47   [  --enable-docs          build the documentation],
  48   [case "${enableval}" in
  49     yes) build_docs=true;;
  50     no)  build_docs=false;;
  51     *)   AC_MSG_ERROR(unknown value ${enableval} for --enable-docs);;
  52   esac],[build_docs=false])
  53
  54 dnl ideally we'd look for other tools and support them
  55 if test x$build_docs = xtrue; then
  56   AC_CHECK_PROGS([XSLTPROC], xsltproc, [/bin/false])
  57   AC_CHECK_PROGS([PDFXMLTEX], pdfxmltex, [/bin/false])
  58   if test "x$XSLTPROC" = "x/bin/false" || test "x$PDFXMLTEX" = "x/bin/false"; then
  59     build_docs=false
  60     AC_MSG_WARN([Documentation will not be built])
  61   fi
  62 fi
  63
  64 AM_CONDITIONAL(BUILD_DOCS, [test x$build_docs = xtrue])
  65
  66 dnl --------------------------------------------------
  67 dnl Set build flags based on environment
  68 dnl --------------------------------------------------
  69
  70 AC_CANONICAL_HOST
  71
  72 dnl Set some target options
  73
  74 cflags_save="$CFLAGS"
  75 ldflags_save="$LDFLAGS"
  76 if test -z "$GCC"; then
  77         case $host in
  78         *-*-irix*)
  79                 dnl If we're on IRIX, we wanna use cc even if gcc
  80                 dnl is there (unless the user has overriden us)...
  81                 if test -z "$CC"; then
  82                         CC=cc
  83                 fi
  84                 DEBUG="-g -signed"
  85                 CFLAGS="-O2 -w -signed"
  86                 PROFILE="-p -g3 -O2 -signed" ;;
  87         sparc-sun-solaris*)
  88                 DEBUG="-v -g"
  89                 CFLAGS="-xO4 -fast -w -fsimple -native -xcg92"
  90                 PROFILE="-v -xpg -g -xO4 -fast -native -fsimple -xcg92 -Dsuncc" ;;
  91         *)
  92                 DEBUG="-g"
  93                 CFLAGS="-O"
  94                 PROFILE="-g -p" ;;
  95         esac
  96 else
  97
  98         case $host in
  99         *86-*-linux*)
 100                 DEBUG="-g -Wall -W -D_REENTRANT -D__NO_MATH_INLINES -fsigned-char"
 101                 CFLAGS="-O20 -ffast-math -mno-ieee-fp -D_REENTRANT -fsigned-char"
 102 #               PROFILE="-Wall -W -pg -g -O20 -ffast-math -D_REENTRANT -fsigned-char -fno-inline -static"
 103                 PROFILE="-Wall -W -pg -g -O20 -ffast-math -mno-ieee-fp -D_REENTRANT -fsigned-char -fno-inline"
 104
 105                 # glibc < 2.1.3 has a serious FP bug in the math inline header
 106                 # that will cripple Vorbis.  Look to see if the magic FP stack
 107                 # clobber is missing in the mathinline header, thus indicating
 108                 # the buggy version
 109
 110                 AC_EGREP_CPP(log10.*fldlg2.*fxch,[
 111                                 #define __LIBC_INTERNAL_MATH_INLINES 1
 112                                 #define __OPTIMIZE__
 113                                 #include <math.h>
 114                                 ],bad=maybe,bad=no)
 115                 if test ${bad} = "maybe" ;then
 116                       AC_EGREP_CPP(log10.*fldlg2.*fxch.*st\([[0123456789]]*\),
 117                                         [
 118                                         #define __LIBC_INTERNAL_MATH_INLINES 1
 119                                         #define __OPTIMIZE__
 120                                         #include <math.h>
 121                                         ],bad=no,bad=yes)
 122                 fi
 123                 if test ${bad} = "yes" ;then
 124  AC_MSG_WARN([                                                        ])
 125  AC_MSG_WARN([********************************************************])
 126  AC_MSG_WARN([* The glibc headers on this machine have a serious bug *])
 127  AC_MSG_WARN([* in /usr/include/bits/mathinline.h  This bug affects  *])
 128  AC_MSG_WARN([* all floating point code, not just Ogg, built on this *])
 129  AC_MSG_WARN([* machine.  Upgrading to glibc 2.1.3 is strongly urged *])
 130  AC_MSG_WARN([* to correct the problem.  Note that upgrading glibc   *])
 131  AC_MSG_WARN([* will not fix any previously built programs; this is  *])
 132  AC_MSG_WARN([* a compile-time time bug.                             *])
 133  AC_MSG_WARN([* To work around the problem for this build of Ogg,    *])
 134  AC_MSG_WARN([* autoconf is disabling all math inlining.  This will  *])
 135  AC_MSG_WARN([* hurt Ogg performace but is necessary for an Ogg that *])
 136  AC_MSG_WARN([* will actually work.  Once glibc is upgraded, rerun   *])
 137  AC_MSG_WARN([* configure and make to build with inlining.           *])
 138  AC_MSG_WARN([********************************************************])
 139  AC_MSG_WARN([                                                        ])
 140
 141                 CFLAGS=${OPT}" -D__NO_MATH_INLINES"
 142                 PROFILE=${PROFILE}" -D__NO_MATH_INLINES"
 143                 fi;;
 144         powerpc-*-linux*)
 145                 DEBUG="-g -Wall -W -D_REENTRANT -D__NO_MATH_INLINES"
 146                 CFLAGS="-O3 -ffast-math -mfused-madd -mcpu=750 -D_REENTRANT"
 147                 PROFILE="-pg -g -O3 -ffast-math -mfused-madd -mcpu=750 -D_REENTRANT";;
 148         *-*-linux*)
 149                 DEBUG="-g -Wall -W -D_REENTRANT -D__NO_MATH_INLINES -fsigned-char"
 150                 CFLAGS="-O20 -ffast-math -D_REENTRANT -fsigned-char"
 151                 PROFILE="-pg -g -O20 -ffast-math -D_REENTRANT -fsigned-char";;
 152         sparc-sun-*)
 153                 DEBUG="-g -Wall -W -D__NO_MATH_INLINES -fsigned-char -mv8"
 154                 CFLAGS="-O20 -ffast-math -D__NO_MATH_INLINES -fsigned-char -mv8"
 155                 PROFILE="-pg -g -O20 -D__NO_MATH_INLINES -fsigned-char -mv8" ;;
 156         *-*-darwin*)
 157                 DEBUG="-DDARWIN -fno-common -force_cpusubtype_ALL -Wall -g -O0 -fsigned-char"
 158                 CFLAGS="-DDARWIN -fno-common -force_cpusubtype_ALL -Wall -g -O4 -ffast-math -fsigned-char"
 159                 PROFILE="-DDARWIN -fno-common -force_cpusubtype_ALL -Wall -g -pg -O4 -ffast-math -fsigned-char";;
 160         *)
 161                 DEBUG="-g -Wall -W -D__NO_MATH_INLINES -fsigned-char"
 162                 CFLAGS="-O20 -D__NO_MATH_INLINES -fsigned-char"
 163                 PROFILE="-O20 -g -pg -D__NO_MATH_INLINES -fsigned-char" ;;
 164         esac
 165 fi
 166 CFLAGS="$CFLAGS $cflags_save"
 167 LDFLAGS="$LDFLAGS $ldflags_save"
 168
 169 dnl --------------------------------------------------
 170 dnl Check for headers
 171 dnl --------------------------------------------------
 172
 173 AC_CHECK_HEADER(memory.h,CFLAGS="$CFLAGS -DUSE_MEMORY_H",:)
 174
 175 dnl --------------------------------------------------
 176 dnl Check for typedefs, structures, etc
 177 dnl --------------------------------------------------
 178
 179 dnl none
 180
 181 dnl --------------------------------------------------
 182 dnl Check for libraries
 183 dnl --------------------------------------------------
 184
 185 AC_CHECK_LIB(m, cos, LIBS="-lm", LIBS="")
 186 AC_CHECK_LIB(pthread, pthread_create, pthread_lib="-lpthread", :)
 187
 188 XIPH_PATH_OGG(, AC_MSG_ERROR(must have Ogg installed!))
 189 LIBS="$LIBS $OGG_LIBS"
 190 AC_CHECK_FUNC(oggpack_writealign, , AC_MSG_ERROR(Ogg >= 1.0 required !))
 191
 192 dnl --------------------------------------------------
 193 dnl Check for library functions
 194 dnl --------------------------------------------------
 195
 196 AC_FUNC_ALLOCA
 197 AC_FUNC_MEMCMP
 198
 199 dnl --------------------------------------------------
 200 dnl Do substitutions
 201 dnl --------------------------------------------------
 202
 203 AC_SUBST(LIBS)
 204 AC_SUBST(DEBUG)
 205 AC_SUBST(PROFILE)
 206 AC_SUBST(pthread_lib)
 207
 208 AC_OUTPUT(Makefile lib/Makefile lib/modes/Makefile lib/books/Makefile lib/books/coupled/Makefile lib/books/uncoupled/Makefile lib/books/floor/Makefile doc/Makefile doc/vorbisfile/Makefile doc/vorbisenc/Makefile include/Makefile include/vorbis/Makefile examples/Makefile win32/Makefile debian/Makefile vq/Makefile vorbis.pc vorbisenc.pc vorbisfile.pc)