mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
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122 lines
3.5 KiB
Text
122 lines
3.5 KiB
Text
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dnl
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dnl A52_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(A52_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], , :, [$6])
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fi
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]
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)
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dnl
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dnl AC_CHECK_A52DEC(ACTION-IF-FOUND, ACTION-IF-NOT-FOUND)
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dnl
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dnl ACTION-IF-FOUND - when feature is found then execute given action
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dnl ACTION-IF-NOT-FOUND - when feature is not found then execute given action
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dnl
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dnl Defines HAVE_A52DEC to yes if liba52 is found
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dnl
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dnl CFLAGS and LDFLAGS for the library are stored in A52DEC_CFLAGS and
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dnl A52DEC_LIBS, respectively
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dnl
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dnl Based on GST_CHECK_A52DEC from gstreamer plugins 0.3.3.1
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dnl Thomas Vander Stichele <thomas@apestaart.org>, Andy Wingo <wingo@pobox.com>
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dnl
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AC_DEFUN(AC_CHECK_A52DEC,
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[dnl
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AC_ARG_WITH(a52dec-prefix,
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AC_HELP_STRING([--with-a52dec-prefix=PFX],[Prefix where a52dec is installed (optional)]),
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a52dec_config_prefix="$withval", a52dec_config_prefix="")
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if test x$a52dec_config_prefix = x ; then
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A52_CHECK_LIBHEADER(A52DEC, a52, a52_init, a52dec/a52.h,
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A52DEC_LIBS="-la52 -lm", , -lm)
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else
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A52_CHECK_LIBHEADER(A52DEC, a52, a52_init, a52dec/a52.h, [
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A52DEC_LIBS="-la52 -L$a52dec_config_prefix/lib -lm"
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A52DEC_CFLAGS="-I$a52dec_config_prefix/include"
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], , -L$a52dec_config_prefix/lib, -I$a52dec_config_prefix/include)
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fi
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if test $HAVE_A52DEC = "yes"; then
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ac_save_CFLAGS="$CFLAGS"
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ac_save_LIBS="$LIBS"
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CFLAGS="$CFLAGS $A52DEC_CFLAGS"
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LIBS="$A52DEC_LIBS $LIBS"
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AC_TRY_RUN([
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#include <inttypes.h>
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#include <a52dec/a52.h>
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int
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main ()
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{
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a52_state_t *state;
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return 0;
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}
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],, HAVE_A52DEC=no, [echo $ac_n "cross compiling; assumed OK... $ac_c"])
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if test HAVE_A52DEC = "no"; then
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echo "*** Your a52dec is borked somehow. Please update to 0.7.3."
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else
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AC_TRY_RUN([
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#include <inttypes.h>
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#include <a52dec/a52.h>
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int
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main ()
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{
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int i = sizeof (a52_state_t);
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return 0;
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}
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], HAVE_A52DEC=no,, [echo $ac_n "cross compiling; assumed OK... $ac_c"])
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if test HAVE_A52DEC = "no"; then
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echo "*** Your a52dec is too old. Please update to 0.7.3."
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fi
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fi
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CFLAGS="$ac_save_CFLAGS"
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LIBS="$ac_save_LIBS"
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fi
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if test HAVE_A52DEC = "no"; then
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A52DEC_CFLAGS=""
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A52DEC_LIBS=""
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fi
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if test "x$HAVE_A52DEC" = "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(A52DEC_CFLAGS)
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AC_SUBST(A52DEC_LIBS)
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])
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