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Collection of DPF-based plugins for packaging
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DPF-Plugins/plugins/ProM/projectM/m4/autoconf-archive/ax_lib_id3.m4

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  1. # ===========================================================================

  2. #        https://www.gnu.org/software/autoconf-archive/ax_lib_id3.html

  3. # ===========================================================================

  4. #

  5. # SYNOPSIS

  6. #

  7. #   AX_LIB_ID3([ACTION-IF-TRUE], [ACTION-IF-FALSE])

  8. #

  9. # DESCRIPTION

  10. #

  11. #   This macro will check for the existence of id3lib

  12. #   (http://id3lib.sourceforge.net/). It does this by checking for the

  13. #   header file id3.h and the id3 library object file. A --with-id3lib

  14. #   option is supported as well. The following output variables are set with

  15. #   AC_SUBST:

  16. #

  17. #     ID3_CPPFLAGS

  18. #     ID3_LDFLAGS

  19. #     ID3_LIBS

  20. #

  21. #   You can use them like this in Makefile.am:

  22. #

  23. #     AM_CPPFLAGS = $(ID3_CPPFLAGS)

  24. #     AM_LDFLAGS = $(ID3_LDFLAGS)

  25. #     program_LDADD = $(ID3_LIBS)

  26. #

  27. #   Additionally, the C preprocessor symbol HAVE_ID3LIB will be defined with

  28. #   AC_DEFINE if id3lib is available.

  29. #

  30. # LICENSE

  31. #

  32. #   Copyright (c) 2009 Oskar Liljeblad <oskar@osk.mine.nu>

  33. #

  34. #   Copying and distribution of this file, with or without modification, are

  35. #   permitted in any medium without royalty provided the copyright notice

  36. #   and this notice are preserved. This file is offered as-is, without any

  37. #   warranty.

  38. 

  39. #serial 6

  40. 

  41. AU_ALIAS([AC_LIB_ID3], [AX_LIB_ID3])

  42. AC_DEFUN([AX_LIB_ID3], [

  43.   AH_TEMPLATE([HAVE_ID3LIB], [Define if id3lib is available])

  44.   AC_ARG_WITH(id3lib, [  --with-id3lib=DIR       prefix for id3 library files and headers], [

  45.     if test "$withval" = "no"; then

  46.       ac_id3_path=

  47.       $2

  48.     elif test "$withval" = "yes"; then

  49.       ac_id3_path=/usr

  50.     else

  51.       ac_id3_path="$withval"

  52.     fi

  53.   ],[ac_id3_path=/usr])

  54.   if test "$ac_id3_path" != ""; then

  55.     saved_CPPFLAGS="$CPPFLAGS"

  56.     CPPFLAGS="$CPPFLAGS -I$ac_id3_path/include"

  57.     AC_CHECK_HEADER([id3.h], [

  58.       saved_LDFLAGS="$LDFLAGS"

  59.       LDFLAGS="$LDFLAGS -L$ac_id3_path/lib"

  60.       AC_CHECK_LIB(id3, ID3Tag_New, [

  61.         AC_SUBST(ID3_CPPFLAGS, [-I$ac_id3_path/include])

  62.         AC_SUBST(ID3_LDFLAGS, [-L$ac_id3_path/lib])

  63.         AC_SUBST(ID3_LIBS, [-lid3])

  64. 	AC_DEFINE([HAVE_ID3LIB])

  65.         $1

  66.       ], [

  67.         :

  68.         $2

  69.       ])

  70.       LDFLAGS="$saved_LDFLAGS"

  71.     ], [

  72.       AC_MSG_RESULT([not found])

  73.       $2

  74.     ])

  75.     CPPFLAGS="$saved_CPPFLAGS"

  76.   fi

  77. ])