m4/gst-matroska.m4

   1 # Configure paths for libebml
   2
   3 dnl PATH_EBML([ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND]])
   4 dnl Test for libebml, and define EBML_CFLAGS and EBML_LIBS
   5 dnl
   6 AC_DEFUN([PATH_EBML],
   7 [dnl
   8 dnl Get the cflags and libraries
   9 dnl
  10 AC_ARG_WITH(ebml-prefix,[  --with-ebml-prefix=PFX        Prefix where libebml is installed (optional)], ebml_prefix="$withval", ebml_prefix="")
  11 AC_ARG_WITH(ebml-include,[  --with-ebml-include=DIR       Path to where the libebml include files installed (optional)], ebml_include="$withval", ebml_include="")
  12 AC_ARG_WITH(ebml-lib,[  --with-ebml-lib=DIR           Path to where the libebml library installed (optional)], ebml_lib="$withval", ebml_lib="")
  13 AC_ARG_ENABLE(ebmltest, [  --disable-ebmltest            Do not try to compile and run a test EBML program],, enable_ebmltest=yes)
  14
  15   if test "x$ebml_prefix" != "x"; then
  16     ebml_args="$ebml_args --prefix=$ebml_prefix"
  17     if test "x$ebml_include" != "x"; then
  18       EBML_CFLAGS="-I$ebml_include"
  19     else
  20       EBML_CFLAGS="-I$ebml_prefix/include/ebml"
  21     fi
  22     if test "x$ebml_lib" != "x"; then
  23       EBML_LIBS="-L$ebml_lib"
  24     else
  25       EBML_LIBS="-L$ebml_prefix/lib"
  26     fi
  27   elif test "x$prefix" != "xNONE"; then
  28     ebml_args="$ebml_args --prefix=$prefix"
  29     if test "x$ebml_include" != "x"; then
  30       EBML_CFLAGS="-I$ebml_include"
  31     else
  32       EBML_CFLAGS="-I$prefix/include/ebml"
  33     fi
  34     if test "x$ebml_lib" != "x"; then
  35       EBML_LIBS="-L$ebml_lib"
  36     else
  37       EBML_LIBS="-L$prefix/lib"
  38     fi
  39   else
  40     if test "x$ebml_include" != "x"; then
  41       EBML_CFLAGS="-I$ebml_include"
  42     else
  43       EBML_CFLAGS="-I/usr/include/ebml -I/usr/local/include/ebml"
  44     fi
  45     if test "x$ebml_lib" != "x"; then
  46       EBML_LIBS="-L$ebml_lib"
  47     else
  48       EBML_LIBS="-L/usr/local/lib"
  49     fi
  50   fi
  51
  52   EBML_LIBS="$EBML_LIBS -lebml"
  53
  54   AC_MSG_CHECKING(for EBML)
  55   no_ebml=""
  56
  57
  58   if test "x$enable_ebmltest" = "xyes" ; then
  59     ac_save_CFLAGS="$CFLAGS"
  60     ac_save_LIBS="$LIBS"
  61     CFLAGS="$CFLAGS $EBML_CFLAGS"
  62     LIBS="$LIBS $EBML_LIBS"
  63 dnl
  64 dnl Now check if the installed EBML is sufficiently new.
  65 dnl
  66       rm -f conf.ebmltest
  67       AC_TRY_RUN([
  68 #include <stdio.h>
  69 #include <stdlib.h>
  70 #include <string.h>
  71 #include <EbmlConfig.h>
  72
  73 int main ()
  74 {
  75   system("touch conf.ebmltest");
  76   return 0;
  77 }
  78
  79 ],, no_ebml=yes,[echo $ac_n "cross compiling; assumed OK... $ac_c"])
  80        CFLAGS="$ac_save_CFLAGS"
  81        LIBS="$ac_save_LIBS"
  82   fi
  83
  84   if test "x$no_ebml" = "x" ; then
  85      AC_MSG_RESULT(yes)
  86      ifelse([$1], , :, [$1])
  87   else
  88      AC_MSG_RESULT(no)
  89      if test -f conf.ebmltest ; then
  90        :
  91      else
  92        echo "*** Could not run Ebml test program, checking why..."
  93        CFLAGS="$CFLAGS $EBML_CFLAGS"
  94        LIBS="$LIBS $EBML_LIBS"
  95        AC_TRY_LINK([
  96 #include <stdio.h>
  97 #include <EbmlConfig.h>
  98 ],     [ return 0; ],
  99        [ echo "*** The test program compiled, but did not run. This usually means"
 100        echo "*** that the run-time linker is not finding EBML or finding the wrong"
 101        echo "*** version of EBML. If it is not finding EBML, you'll need to set your"
 102        echo "*** LD_LIBRARY_PATH environment variable, or edit /etc/ld.so.conf to point"
 103        echo "*** to the installed location  Also, make sure you have run ldconfig if that"
 104        echo "*** is required on your system"
 105        echo "***"
 106        echo "*** If you have an old version installed, it is best to remove it, although"
 107        echo "*** you may also be able to get things to work by modifying LD_LIBRARY_PATH"],
 108        [ echo "*** The test program failed to compile or link. See the file config.log for the"
 109        echo "*** exact error that occured. This usually means EBML was incorrectly installed"
 110        echo "*** or that you have moved EBML since it was installed." ])
 111        CFLAGS="$ac_save_CFLAGS"
 112        LIBS="$ac_save_LIBS"
 113      fi
 114      EBML_CFLAGS=""
 115      EBML_LIBS=""
 116      ifelse([$2], , :, [$2])
 117   fi
 118   AC_SUBST(EBML_CFLAGS)
 119   AC_SUBST(EBML_LIBS)
 120   rm -f conf.ebmltest
 121 ])
 122
 123 # Configure paths for libmatroska
 124
 125 dnl PATH_MATROSKA(MIN_VERSION, [ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND]])
 126 dnl Test for libmatroska, and define MATROSKA_CFLAGS and MATROSKA_LIBS
 127 dnl
 128 AC_DEFUN([PATH_MATROSKA],
 129 [dnl
 130 dnl Get the cflags and libraries
 131 dnl
 132 AC_ARG_WITH(matroska-prefix,[  --with-matroska-prefix=PFX    Prefix where libmatroska is installed (optional)], matroska_prefix="$withval", matroska_prefix="")
 133 AC_ARG_WITH(matroska-include,[  --with-matroska-include=DIR   Path to where the libmatroska include files installed (optional)], matroska_include="$withval", matroska_include="")
 134 AC_ARG_WITH(matroska-lib,[  --with-matroska-lib=DIR       Path to where the libmatroska library installed (optional)], matroska_lib="$withval", matroska_lib="")
 135 AC_ARG_ENABLE(matroskatest, [  --disable-matroskatest        Do not try to compile and run a test Matroska program],, enable_matroskatest=yes)
 136
 137   if test "x$matroska_prefix" != "x"; then
 138     matroska_args="$matroska_args --prefix=$matroska_prefix"
 139     if test "x$matroska_include" != "x"; then
 140       MATROSKA_CFLAGS="-I$matroska_include"
 141     else
 142       MATROSKA_CFLAGS="-I$matroska_prefix/include/matroska"
 143     fi
 144     if test "x$matroska_lib" != "x"; then
 145       MATROSKA_LIBS="-L$matroska_lib"
 146     else
 147       MATROSKA_LIBS="-L$matroska_prefix/lib"
 148     fi
 149   elif test "x$prefix" != "xNONE"; then
 150     matroska_args="$matroska_args --prefix=$prefix"
 151     if test "x$matroska_include" != "x"; then
 152       MATROSKA_CFLAGS="-I$matroska_include"
 153     else
 154       MATROSKA_CFLAGS="-I$prefix/include/matroska"
 155     fi
 156     if test "x$matroska_lib" != "x"; then
 157       MATROSKA_LIBS="-L$matroska_lib"
 158     else
 159       MATROSKA_LIBS="-L$prefix/lib"
 160     fi
 161   else
 162     if test "x$matroska_include" != "x"; then
 163       MATROSKA_CFLAGS="-I$matroska_include"
 164     else
 165       MATROSKA_CFLAGS="-I/usr/include/matroska -I/usr/local/include/matroska"
 166     fi
 167     if test "x$matroska_lib" != "x"; then
 168       MATROSKA_LIBS="-L$matroska_lib"
 169     else
 170       MATROSKA_LIBS="-L/usr/local/lib"
 171     fi
 172   fi
 173
 174   MATROSKA_LIBS="$MATROSKA_LIBS -lmatroska"
 175
 176   AC_MSG_CHECKING(for Matroska)
 177   no_matroska=""
 178
 179
 180   if test "x$enable_matroskatest" = "xyes" ; then
 181     ac_save_CXXFLAGS="$CXXFLAGS"
 182     ac_save_LIBS="$LIBS"
 183     CXXFLAGS="$CXXFLAGS $MATROSKA_CFLAGS $EBML_CFLAGS"
 184     LIBS="$LIBS $MATROSKA_LIBS $EBML_LIBS"
 185 dnl
 186 dnl Now check if the installed Matroska is sufficiently new.
 187 dnl
 188       rm -f conf.matroskatest
 189       AC_LANG_CPLUSPLUS
 190       AC_TRY_RUN([
 191 #include <stdio.h>
 192 #include <stdlib.h>
 193 #include <string.h>
 194 #include <EbmlConfig.h>
 195 #include <KaxVersion.h>
 196
 197 using namespace LIBMATROSKA_NAMESPACE;
 198
 199 int main ()
 200 {
 201   FILE *f;
 202   f = fopen("conf.matroskatest", "wb");
 203   if (f == NULL)
 204     return 1;
 205   fprintf(f, "%s\n", KaxCodeVersion.c_str());
 206   fclose(f);
 207   return 0;
 208 }
 209
 210 ],, no_matroska=yes,[echo $ac_n "cross compiling; assumed OK... $ac_c"])
 211       AC_LANG_C
 212       CXXFLAGS="$ac_save_CXXFLAGS"
 213       LIBS="$ac_save_LIBS"
 214   fi
 215
 216   if test "x$no_matroska" = "x" -a -f conf.matroskatest ; then
 217     AC_MSG_RESULT(yes)
 218
 219     AC_MSG_CHECKING(Matroska version)
 220
 221     matroska_version=`cat conf.matroskatest`
 222     mk_MAJVER=`echo $1 | cut -d"." -f1`
 223     mk_MINVER=`echo $1 | cut -d"." -f2`
 224     mk_RELVER=`echo $1 | cut -d"." -f3`
 225     mver_ok=`sed 's;\.;\ ;g' < conf.matroskatest | (read -a mver
 226     if test ${mver[[0]]} -gt $mk_MAJVER ; then
 227       mver_ok=1
 228     elif test ${mver[[0]]} -lt $mk_MAJVER ; then
 229       mver_ok=0
 230     else
 231       if test ${mver[[1]]} -gt $mk_MINVER ; then
 232         mver_ok=1
 233       elif test ${mver[[1]]} -lt $mk_MINVER ; then
 234         mver_ok=0
 235       else
 236         if test ${mver[[2]]} -ge $mk_RELVER ; then
 237           mver_ok=1
 238         else
 239           mver_ok=0
 240         fi
 241       fi
 242     fi
 243     echo $mver_ok )`
 244     if test "$mver_ok" = "1" ; then
 245       AC_MSG_RESULT($matroska_version ok)
 246        ifelse([$2], , :, [$2])
 247     else
 248       AC_MSG_RESULT($matroska_version too old)
 249       echo '*** Your Matroska version is too old. Upgrade to at least version'
 250       echo '*** $1 and re-run configure.'
 251        ifelse([$3], , :, [$3])
 252     fi
 253
 254   else
 255      AC_MSG_RESULT(no)
 256      ifelse([$3], , :, [$3])
 257   fi
 258
 259   AC_SUBST(MATROSKA_CFLAGS)
 260   AC_SUBST(MATROSKA_LIBS)
 261   rm -f conf.matroskatest
 262 ])