compile fixes based on patch (SF#913238 http://sourceforge.net/tracker/index.php...
[platform/upstream/flac.git] / src / libFLAC++ / libFLAC++.m4
1 # Configure paths for libFLAC++
2 # "Inspired" by ogg.m4
3 # Caller must first run AM_PATH_LIBFLAC
4
5 dnl AM_PATH_LIBFLACPP([ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND]])
6 dnl Test for libFLAC++, and define LIBFLACPP_CFLAGS, LIBFLACPP_LIBS, LIBFLACPP_LIBDIR
7 dnl
8 AC_DEFUN([AM_PATH_LIBFLACPP],
9 [dnl 
10 dnl Get the cflags and libraries
11 dnl
12 AC_ARG_WITH(libFLACPP,[  --with-libFLACPP=PFX   Prefix where libFLAC++ is installed (optional)], libFLACPP_prefix="$withval", libFLACPP_prefix="")
13 AC_ARG_WITH(libFLACPP-libraries,[  --with-libFLACPP-libraries=DIR   Directory where libFLAC++ library is installed (optional)], libFLACPP_libraries="$withval", libFLACPP_libraries="")
14 AC_ARG_WITH(libFLACPP-includes,[  --with-libFLACPP-includes=DIR   Directory where libFLAC++ header files are installed (optional)], libFLACPP_includes="$withval", libFLACPP_includes="")
15 AC_ARG_ENABLE(libFLACPPtest, [  --disable-libFLACPPtest       Do not try to compile and run a test libFLAC++ program],, enable_libFLACPPtest=yes)
16
17   if test "x$libFLACPP_libraries" != "x" ; then
18     LIBFLACPP_LIBDIR="$libFLACPP_libraries"
19   elif test "x$libFLACPP_prefix" != "x" ; then
20     LIBFLACPP_LIBDIR="$libFLACPP_prefix/lib"
21   elif test "x$prefix" != "xNONE" ; then
22     LIBFLACPP_LIBDIR="$libdir"
23   fi
24
25   LIBFLACPP_LIBS="-L$LIBFLACPP_LIBDIR -lFLAC++ $LIBFLAC_LIBS"
26
27   if test "x$libFLACPP_includes" != "x" ; then
28     LIBFLACPP_CFLAGS="-I$libFLACPP_includes"
29   elif test "x$libFLACPP_prefix" != "x" ; then
30     LIBFLACPP_CFLAGS="-I$libFLACPP_prefix/include"
31   elif test "$prefix" != "xNONE"; then
32     LIBFLACPP_CFLAGS=""
33   fi
34
35   LIBFLACPP_CFLAGS="$LIBFLACPP_CFLAGS $LIBFLAC_CFLAGS"
36
37   AC_MSG_CHECKING(for libFLAC++)
38   no_libFLACPP=""
39
40
41   if test "x$enable_libFLACPPtest" = "xyes" ; then
42     ac_save_CFLAGS="$CFLAGS"
43     ac_save_CXXFLAGS="$CXXFLAGS"
44     ac_save_LIBS="$LIBS"
45     ac_save_LDPATH="$LD_LIBRARY_PATH"
46     CFLAGS="$CFLAGS $LIBFLACPP_CFLAGS"
47     CXXFLAGS="$CXXFLAGS $LIBFLACPP_CFLAGS"
48     LIBS="$LIBS $LIBFLACPP_LIBS"
49     LD_LIBRARY_PATH="$LIBFLACPP_LIBDIR:$LIBFLAC_LIBDIR:$LD_LIBRARY_PATH"
50 dnl
51 dnl Now check if the installed libFLAC++ is sufficiently new.
52 dnl
53       rm -f conf.libFLAC++test
54       AC_TRY_RUN([
55 #include <stdio.h>
56 #include <stdlib.h>
57 #include <string.h>
58 #include <FLAC++/decoder.h>
59
60 int main ()
61 {
62   system("touch conf.libFLAC++test");
63   return 0;
64 }
65
66 ],, no_libFLACPP=yes,[echo $ac_n "cross compiling; assumed OK... $ac_c"])
67        CFLAGS="$ac_save_CFLAGS"
68        CXXFLAGS="$ac_save_CXXFLAGS"
69        LIBS="$ac_save_LIBS"
70        LD_LIBRARY_PATH="$ac_save_LD_LIBRARY_PATH"
71   fi
72
73   if test "x$no_libFLACPP" = "x" ; then
74      AC_MSG_RESULT(yes)
75      ifelse([$1], , :, [$1])     
76   else
77      AC_MSG_RESULT(no)
78      if test -f conf.libFLAC++test ; then
79        :
80      else
81        echo "*** Could not run libFLAC++ test program, checking why..."
82        CFLAGS="$CFLAGS $LIBFLACPP_CFLAGS"
83        CXXFLAGS="$CXXFLAGS $LIBFLACPP_CFLAGS"
84        LIBS="$LIBS $LIBFLACPP_LIBS"
85        LD_LIBRARY_PATH="$LIBFLACPP_LIBDIR:$LIBFLAC_LIBDIR:$LD_LIBRARY_PATH"
86        AC_TRY_LINK([
87 #include <stdio.h>
88 #include <FLAC++/decoder.h>
89 ],     [ return 0; ],
90        [ echo "*** The test program compiled, but did not run. This usually means"
91        echo "*** that the run-time linker is not finding libFLAC++ or finding the wrong"
92        echo "*** version of libFLAC++. If it is not finding libFLAC++, you'll need to set your"
93        echo "*** LD_LIBRARY_PATH environment variable, or edit /etc/ld.so.conf to point"
94        echo "*** to the installed location  Also, make sure you have run ldconfig if that"
95        echo "*** is required on your system"
96        echo "***"
97        echo "*** If you have an old version installed, it is best to remove it, although"
98        echo "*** you may also be able to get things to work by modifying LD_LIBRARY_PATH"],
99        [ echo "*** The test program failed to compile or link. See the file config.log for the"
100        echo "*** exact error that occured. This usually means libFLAC++ was incorrectly installed"
101        echo "*** or that you have moved libFLAC++ since it was installed. In the latter case, you"
102        echo "*** may want to edit the libFLAC++-config script: $LIBFLACPP_CONFIG" ])
103        CFLAGS="$ac_save_CFLAGS"
104        CXXFLAGS="$ac_save_CXXFLAGS"
105        LIBS="$ac_save_LIBS"
106        LD_LIBRARY_PATH="$ac_save_LD_LIBRARY_PATH"
107      fi
108      LIBFLACPP_CFLAGS=""
109      LIBFLACPP_LIBDIR=""
110      LIBFLACPP_LIBS=""
111      ifelse([$2], , :, [$2])
112   fi
113   AC_SUBST(LIBFLACPP_CFLAGS)
114   AC_SUBST(LIBFLACPP_LIBDIR)
115   AC_SUBST(LIBFLACPP_LIBS)
116   rm -f conf.libFLAC++test
117 ])