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,1.0rc2)
   9
  10 dnl Library versioning
  11
  12 V_LIB_CURRENT=0
  13 V_LIB_REVISION=1
  14 V_LIB_AGE=0
  15 VF_LIB_CURRENT=1
  16 VF_LIB_REVISION=0
  17 VF_LIB_AGE=1
  18 VE_LIB_CURRENT=0
  19 VE_LIB_REVISION=1
  20 VE_LIB_AGE=0
  21 AC_SUBST(V_LIB_CURRENT)
  22 AC_SUBST(V_LIB_REVISION)
  23 AC_SUBST(V_LIB_AGE)
  24 AC_SUBST(VF_LIB_CURRENT)
  25 AC_SUBST(VF_LIB_REVISION)
  26 AC_SUBST(VF_LIB_AGE)
  27 AC_SUBST(VE_LIB_CURRENT)
  28 AC_SUBST(VE_LIB_REVISION)
  29 AC_SUBST(VE_LIB_AGE)
  30
  31 dnl --------------------------------------------------
  32 dnl Check for programs
  33 dnl --------------------------------------------------
  34
  35 dnl save $CFLAGS since AC_PROG_CC likes to insert "-g -O2"
  36 dnl if $CFLAGS is blank
  37 cflags_save="$CFLAGS"
  38 AC_PROG_CC
  39 AC_PROG_CPP
  40 CFLAGS="$cflags_save"
  41
  42 AM_PROG_LIBTOOL
  43
  44 dnl --------------------------------------------------
  45 dnl Set build flags based on environment
  46 dnl --------------------------------------------------
  47
  48 AC_CANONICAL_HOST
  49
  50 dnl Set some target options
  51
  52 cflags_save="$CFLAGS"
  53 ldflags_save="$LDFLAGS"
  54 if test -z "$GCC"; then
  55         case $host in
  56         *-*-irix*)
  57                 dnl If we're on IRIX, we wanna use cc even if gcc
  58                 dnl is there (unless the user has overriden us)...
  59                 if test -z "$CC"; then
  60                         CC=cc
  61                 fi
  62                 DEBUG="-g -signed"
  63                 CFLAGS="-O2 -w -signed"
  64                 PROFILE="-p -g3 -O2 -signed" ;;
  65         sparc-sun-solaris*)
  66                 DEBUG="-v -g"
  67                 CFLAGS="-xO4 -fast -w -fsimple -native -xcg92"
  68                 PROFILE="-v -xpg -g -xO4 -fast -native -fsimple -xcg92 -Dsuncc" ;;
  69         *)
  70                 DEBUG="-g"
  71                 CFLAGS="-O"
  72                 PROFILE="-g -p" ;;
  73         esac
  74 else
  75
  76         case $host in
  77         *86-*-linux*)
  78                 DEBUG="-g -Wall -D_REENTRANT -D__NO_MATH_INLINES -fsigned-char"
  79                 CFLAGS="-O20 -ffast-math -mno-ieee-fp -D_REENTRANT -fsigned-char"
  80 #               PROFILE="-Wall -W -pg -g -O20 -ffast-math -D_REENTRANT -fsigned-char -fno-inline -static"
  81                 PROFILE="-Wall -W -pg -g -O20 -ffast-math -mno-ieee-fp -D_REENTRANT -fsigned-char -fno-inline -static"
  82
  83                 # glibc < 2.1.3 has a serious FP bug in the math inline header
  84                 # that will cripple Vorbis.  Look to see if the magic FP stack
  85                 # clobber is missing in the mathinline header, thus indicating
  86                 # the buggy version
  87
  88                 AC_EGREP_CPP(log10.*fldlg2.*fxch,[
  89                                 #define __LIBC_INTERNAL_MATH_INLINES 1
  90                                 #define __OPTIMIZE__
  91                                 #include <math.h>
  92                                 ],bad=maybe,bad=no)
  93                 if test ${bad} = "maybe" ;then
  94                       AC_EGREP_CPP(log10.*fldlg2.*fxch.*st\([[0123456789]]*\),
  95                                         [
  96                                         #define __LIBC_INTERNAL_MATH_INLINES 1
  97                                         #define __OPTIMIZE__
  98                                         #include <math.h>
  99                                         ],bad=no,bad=yes)
 100                 fi
 101                 if test ${bad} = "yes" ;then
 102  AC_MSG_WARN([                                                        ])
 103  AC_MSG_WARN([********************************************************])
 104  AC_MSG_WARN([* The glibc headers on this machine have a serious bug *])
 105  AC_MSG_WARN([* in /usr/include/bits/mathinline.h  This bug affects  *])
 106  AC_MSG_WARN([* all floating point code, not just Ogg, built on this *])
 107  AC_MSG_WARN([* machine.  Upgrading to glibc 2.1.3 is strongly urged *])
 108  AC_MSG_WARN([* to correct the problem.  Note that upgrading glibc   *])
 109  AC_MSG_WARN([* will not fix any previously built programs; this is  *])
 110  AC_MSG_WARN([* a compile-time time bug.                             *])
 111  AC_MSG_WARN([* To work around the problem for this build of Ogg,    *])
 112  AC_MSG_WARN([* autoconf is disabling all math inlining.  This will  *])
 113  AC_MSG_WARN([* hurt Ogg performace but is necessary for an Ogg that *])
 114  AC_MSG_WARN([* will actually work.  Once glibc is upgraded, rerun   *])
 115  AC_MSG_WARN([* configure and make to build with inlining.           *])
 116  AC_MSG_WARN([********************************************************])
 117  AC_MSG_WARN([                                                        ])
 118
 119                 CFLAGS=${OPT}" -D__NO_MATH_INLINES"
 120                 PROFILE=${PROFILE}" -D__NO_MATH_INLINES"
 121                 fi;;
 122         *-*-linux*)
 123                 DEBUG="-g -Wall -D_REENTRANT -D__NO_MATH_INLINES -fsigned-char"
 124                 CFLAGS="-O20 -ffast-math -D_REENTRANT -fsigned-char"
 125                 PROFILE="-pg -g -O20 -ffast-math -D_REENTRANT -fsigned-char";;
 126         sparc-sun-*)
 127                 DEBUG="-g -Wall -D__NO_MATH_INLINES -fsigned-char -mv8"
 128                 CFLAGS="-O20 -ffast-math -D__NO_MATH_INLINES -fsigned-char -mv8"
 129                 PROFILE="-pg -g -O20 -D__NO_MATH_INLINES -fsigned-char -mv8" ;;
 130         *-*-darwin*)
 131                 DEBUG="-DDARWIN -fno-common -force_cpusubtype_ALL -Wall -g -O0 -fsigned-char"
 132                 CFLAGS="-DDARWIN -fno-common -force_cpusubtype_ALL -Wall -g -O4 -ffast-math -fsigned-char"
 133                 PROFILE="-DDARWIN -fno-common -force_cpusubtype_ALL -Wall -g -pg -O4 -ffast-math -fsigned-char";;
 134         *)
 135                 DEBUG="-g -Wall -D__NO_MATH_INLINES -fsigned-char"
 136                 CFLAGS="-O20 -D__NO_MATH_INLINES -fsigned-char"
 137                 PROFILE="-O20 -g -pg -D__NO_MATH_INLINES -fsigned-char" ;;
 138         esac
 139 fi
 140 CFLAGS="$CFLAGS $cflags_save"
 141 LDFLAGS="$LDFLAGS $ldflags_save"
 142
 143 dnl --------------------------------------------------
 144 dnl Check for headers
 145 dnl --------------------------------------------------
 146
 147 AC_CHECK_HEADER(memory.h,CFLAGS="$CFLAGS -DUSE_MEMORY_H",:)
 148
 149 dnl --------------------------------------------------
 150 dnl Check for typedefs, structures, etc
 151 dnl --------------------------------------------------
 152
 153 dnl none
 154
 155 dnl --------------------------------------------------
 156 dnl Check for libraries
 157 dnl --------------------------------------------------
 158
 159 AC_CHECK_LIB(m, cos, LIBS="-lm", LIBS="")
 160 AC_CHECK_LIB(pthread, pthread_create, pthread_lib="-lpthread", :)
 161
 162 AM_PATH_OGG(, AC_MSG_ERROR(must have Ogg installed!))
 163
 164 dnl --------------------------------------------------
 165 dnl Check for library functions
 166 dnl --------------------------------------------------
 167
 168 AC_FUNC_ALLOCA
 169 AC_FUNC_MEMCMP
 170
 171 AC_CHECK_FUNCS(sqrtf)
 172 AC_CHECK_FUNCS(logf)
 173 AC_CHECK_FUNCS(expf)
 174 AC_CHECK_FUNCS(acosf)
 175 AC_CHECK_FUNCS(atanf)
 176 AC_CHECK_FUNCS(frexpf)
 177 AC_CHECK_FUNCS(rintf)
 178
 179 dnl --------------------------------------------------
 180 dnl Do substitutions
 181 dnl --------------------------------------------------
 182
 183 LIBS="$LIBS $OGG_LIBS"
 184
 185 AC_SUBST(LIBS)
 186 AC_SUBST(DEBUG)
 187 AC_SUBST(PROFILE)
 188 AC_SUBST(pthread_lib)
 189
 190 AC_OUTPUT(Makefile lib/Makefile lib/modes/Makefile lib/books/Makefile doc/Makefile doc/vorbisfile/Makefile doc/vorbisenc/Makefile include/Makefile include/vorbis/Makefile examples/Makefile win32/Makefile debian/Makefile vq/Makefile)