1# Configure paths for libebml
2
3dnl PATH_EBML([ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND]])
4dnl Test for libebml, and define EBML_CFLAGS and EBML_LIBS
5dnl
6AC_DEFUN([PATH_EBML],
7[dnl
8dnl Get the cflags and libraries
9dnl
10AC_ARG_WITH(ebml-prefix,[  --with-ebml-prefix=PFX        Prefix where libebml is installed (optional)], ebml_prefix="$withval", ebml_prefix="")
11AC_ARG_WITH(ebml-include,[  --with-ebml-include=DIR       Path to where the libebml include files installed (optional)], ebml_include="$withval", ebml_include="")
12AC_ARG_WITH(ebml-lib,[  --with-ebml-lib=DIR           Path to where the libebml library installed (optional)], ebml_lib="$withval", ebml_lib="")
13AC_ARG_ENABLE(ebmltest, [  --disable-ebmltest            Do not try to compile and run a test EBML program],, enable_ebmltest=yes)
14
15  if test "x$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"
63dnl
64dnl Now check if the installed EBML is sufficiently new.
65dnl
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
73int 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], , :, [$2])
117  fi
118  AC_SUBST(EBML_CFLAGS)
119  AC_SUBST(EBML_LIBS)
120  rm -f conf.ebmltest
121])
122
123# Configure paths for libmatroska
124
125dnl PATH_MATROSKA(MIN_VERSION, [ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND]])
126dnl Test for libmatroska, and define MATROSKA_CFLAGS and MATROSKA_LIBS
127dnl
128AC_DEFUN([PATH_MATROSKA],
129[dnl
130dnl Get the cflags and libraries
131dnl
132AC_ARG_WITH(matroska-prefix,[  --with-matroska-prefix=PFX    Prefix where libmatroska is installed (optional)], matroska_prefix="$withval", matroska_prefix="")
133AC_ARG_WITH(matroska-include,[  --with-matroska-include=DIR   Path to where the libmatroska include files installed (optional)], matroska_include="$withval", matroska_include="")
134AC_ARG_WITH(matroska-lib,[  --with-matroska-lib=DIR       Path to where the libmatroska library installed (optional)], matroska_lib="$withval", matroska_lib="")
135AC_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"
185dnl
186dnl Now check if the installed Matroska is sufficiently new.
187dnl
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
197using namespace LIBMATROSKA_NAMESPACE;
198
199int 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])
263