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e2b117905c
Original commit message from CVS: * m4/mpeg2dec.m4: Test for cpuaccel library as well as mpeg2dec library. Add appropriate includes before test compile of mpeg2.h so that compilation succeeds.
94 lines
3.4 KiB
Text
94 lines
3.4 KiB
Text
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, INCLUDES)
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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 INCLUDES - Any #include lines which need to be placed before the
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dnl header so that it works.
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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, [$9])
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CPPFLAGS=$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$mpeg2dec_config_prefix = x ; then
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MPEG2DEC_CHECK_LIBHEADER(CPUACCEL, cpuaccel, mm_accel, mpeg2dec/mm_accel.h)
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MPEG2DEC_CHECK_LIBHEADER(MPEG2DEC, mpeg2, mpeg2_init, mpeg2dec/mpeg2.h,
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MPEG2DEC_LIBS="-lmpeg2 -lcpuaccel",, -lcpuaccel, , [
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#include <inttypes.h>
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#include <mpeg2dec/mm_accel.h>
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#include <mpeg2dec/video_out.h>
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])
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else
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MPEG2DEC_CHECK_LIBHEADER(CPUACCEL, cpuaccel, mm_accel, mpeg2dec/mm_accel.h,
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,, -L$mpeg2dec_config_prefix/lib, -I$mpeg2dec_config_prefix/include)
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MPEG2DEC_CHECK_LIBHEADER(MPEG2DEC, mpeg2, mpeg2_init, mpeg2dec/mpeg2.h, [
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MPEG2DEC_LIBS="-lmpeg2 -lcpuaccel -L$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,
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-I$mpeg2dec_config_prefix/include, [
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#include <inttypes.h>
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#include <mpeg2dec/mm_accel.h>
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#include <mpeg2dec/video_out.h>
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])
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fi
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if test "x$HAVE_MPEG2DEC" = "xyes"; then
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if test "x$HAVE_CPUACCEL" = "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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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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