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77 lines
2.7 KiB
Plaintext
77 lines
2.7 KiB
Plaintext
dnl MPEG2DEC_CHECK-LIBHEADER(FEATURE-NAME, LIB-NAME, LIB-FUNCTION, HEADER-NAME,
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dnl ACTION-IF-FOUND, ACTION-IF-NOT-FOUND,
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dnl EXTRA-LDFLAGS, EXTRA-CPPFLAGS)
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dnl
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dnl FEATURE-NAME - feature name; library and header files are treated
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dnl as feature, which we look for
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dnl LIB-NAME - library name as in AC_CHECK_LIB macro
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dnl LIB-FUNCTION - library symbol as in AC_CHECK_LIB macro
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dnl HEADER-NAME - header file name as in AC_CHECK_HEADER
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dnl ACTION-IF-FOUND - when feature is found then execute given action
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dnl ACTION-IF-NOT-FOUND - when feature is not found then execute given action
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dnl EXTRA-LDFLAGS - extra linker flags (-L or -l)
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dnl EXTRA-CPPFLAGS - extra C preprocessor flags, i.e. -I/usr/X11R6/include
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dnl
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dnl Based on GST_CHECK_LIBHEADER from gstreamer plugins 0.3.1.
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dnl
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AC_DEFUN(MPEG2DEC_CHECK_LIBHEADER,
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[
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AC_CHECK_LIB([$2], [$3], HAVE_[$1]=yes, HAVE_[$1]=no, [$7])
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check_libheader_feature_name=translit([$1], A-Z, a-z)
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if test "x$HAVE_[$1]" = "xyes"; then
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check_libheader_save_CPPFLAGS=$CPPFLAGS
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CPPFLAGS="[$8] $CPPFLAGS"
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AC_CHECK_HEADER([$4], :, HAVE_[$1]=no)
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CPPFLAGS=$check_libheader_save_CPPFLAGS
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fi
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if test "x$HAVE_[$1]" = "xyes"; then
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ifelse([$5], , :, [$5])
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else
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ifelse([$6], , :, [$6])
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fi
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]
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)
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dnl
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dnl AC_CHECK_MPEG2DEC(ACTION-IF-FOUND, ACTION-IF-NOT-FOUND)
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dnl
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dnl ACTION-IF-FOUND - when feature is found then execute given action
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dnl ACTION-IF-NOT-FOUND - when feature is not found then execute given action
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dnl
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dnl Defines HAVE_MPEG2DEC to yes if mpeg2dec is found
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dnl
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dnl CFLAGS and LDFLAGS for the library are stored in MPEG2DEC_CFLAGS and
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dnl MPEG2DEC_LIBS, respectively
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dnl
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dnl Based on GST_CHECK_MPEG2DEC from gstreamer plugins 0.3.3.1
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dnl Thomas Vander Stichele <thomas@apestaart.org>, Andy Wingo <wingo@pobox.com>
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dnl
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AC_DEFUN(AC_CHECK_MPEG2DEC,
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[dnl
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AC_ARG_WITH(mpeg2dec-prefix,
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AC_HELP_STRING([--with-mpeg2dec-prefix=PFX],
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[prefix where mpeg2dec is installed (optional)]),
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mpeg2dec_config_prefix="$withval", mpeg2dec_config_prefix="")
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if test x$mpeg2dec_config_prefix = x ; then
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MPEG2DEC_CHECK_LIBHEADER(MPEG2DEC, mpeg2, mpeg2_init, mpeg2dec/mpeg2.h,
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MPEG2DEC_LIBS="-lmpeg2 -lcpuaccel",, -lcpuaccel)
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else
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MPEG2DEC_CHECK_LIBHEADER(MPEG2DEC, mpeg2, mpeg2_init, mpeg2dec/mpeg2.h, [
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MPEG2DEC_LIBS="-lmpeg2 -lcpuaccel -L$mpeg2dec_config_prefix/lib"
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MPEG2DEC_CFLAGS="-I$mpeg2dec_config_prefix/include"
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], , -L$mpeg2dec_config_prefix/lib -lcpuaccel, -I$mpeg2dec_config_prefix/include)
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fi
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if test "x$HAVE_MPEG2DEC" = "xyes"; then
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ifelse([$1], , :, [$1])
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else
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ifelse([$2], , :, [$2])
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fi
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AC_SUBST(MPEG2DEC_CFLAGS)
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AC_SUBST(MPEG2DEC_LIBS)
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])
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