dnl dnl A52_CHECK-LIBHEADER(FEATURE-NAME, LIB-NAME, LIB-FUNCTION, HEADER-NAME, dnl ACTION-IF-FOUND, ACTION-IF-NOT-FOUND, dnl EXTRA-LDFLAGS, EXTRA-CPPFLAGS) dnl dnl FEATURE-NAME - feature name; library and header files are treated dnl as feature, which we look for dnl LIB-NAME - library name as in AC_CHECK_LIB macro dnl LIB-FUNCTION - library symbol as in AC_CHECK_LIB macro dnl HEADER-NAME - header file name as in AC_CHECK_HEADER dnl ACTION-IF-FOUND - when feature is found then execute given action dnl ACTION-IF-NOT-FOUND - when feature is not found then execute given action dnl EXTRA-LDFLAGS - extra linker flags (-L or -l) dnl EXTRA-CPPFLAGS - extra C preprocessor flags, i.e. -I/usr/X11R6/include dnl dnl Based on GST_CHECK_LIBHEADER from gstreamer plugins 0.3.1. dnl AC_DEFUN([A52_CHECK_LIBHEADER], [ AC_CHECK_LIB([$2], [$3], HAVE_[$1]=yes, HAVE_[$1]=no, [$7]) check_libheader_feature_name=translit([$1], A-Z, a-z) if test "x$HAVE_[$1]" = "xyes"; then check_libheader_save_CPPFLAGS=$CPPFLAGS CPPFLAGS="[$8] $CPPFLAGS" AC_CHECK_HEADER([$4], :, HAVE_[$1]=no) CPPFLAGS=$check_libheader_save_CPPFLAGS fi if test "x$HAVE_[$1]" = "xyes"; then ifelse([$5], , :, [$5]) else ifelse([$6], , :, [$6]) fi ] ) dnl dnl AC_CHECK_A52DEC(ACTION-IF-FOUND, ACTION-IF-NOT-FOUND) dnl dnl ACTION-IF-FOUND - when feature is found then execute given action dnl ACTION-IF-NOT-FOUND - when feature is not found then execute given action dnl dnl Defines HAVE_A52DEC to yes if liba52 is found dnl dnl CFLAGS and LDFLAGS for the library are stored in A52DEC_CFLAGS and dnl A52DEC_LIBS, respectively dnl dnl Based on GST_CHECK_A52DEC from gstreamer plugins 0.3.3.1 dnl Thomas Vander Stichele , Andy Wingo dnl AC_DEFUN([AC_CHECK_A52DEC], [dnl AC_ARG_WITH(a52dec-prefix, AC_HELP_STRING([--with-a52dec-prefix=PFX], [prefix where a52dec is installed (optional)]), a52dec_config_prefix="$withval", a52dec_config_prefix="") if test x$a52dec_config_prefix = x ; then A52_CHECK_LIBHEADER(A52DEC, a52, a52_init, a52dec/a52.h, A52DEC_LIBS="-la52 -lm", , -lm) else A52_CHECK_LIBHEADER(A52DEC, a52, a52_init, a52dec/a52.h, [ A52DEC_LIBS="-la52 -L$a52dec_config_prefix/lib -lm" A52DEC_CFLAGS="-I$a52dec_config_prefix/include" ], , -L$a52dec_config_prefix/lib, -I$a52dec_config_prefix/include) fi if test $HAVE_A52DEC = "yes"; then ac_save_CFLAGS="$CFLAGS" ac_save_LIBS="$LIBS" CFLAGS="$CFLAGS $A52DEC_CFLAGS" LIBS="$A52DEC_LIBS $LIBS" AC_TRY_RUN([ #include #include int main () { a52_state_t *state; #if defined(A52_ACCEL_DETECT) state = a52_init (); #else state = a52_init (0); #endif a52_free (state); return 0; } ],, HAVE_A52DEC=no, [echo $ac_n "cross compiling; assumed OK... $ac_c"]) if test HAVE_A52DEC = "no"; then echo "*** Your a52dec is borked somehow. Please update to 0.7.4 or newer." else AC_TRY_RUN([ #include #include int main () { int i = sizeof (a52_state_t); if ( i ) return 0; } ], HAVE_A52DEC=no,, [echo $ac_n "cross compiling; assumed OK... $ac_c"]) if test HAVE_A52DEC = "no"; then echo "*** Your a52dec is too old. Please update to 0.7.4 or newer." fi fi CFLAGS="$ac_save_CFLAGS" LIBS="$ac_save_LIBS" fi if test HAVE_A52DEC = "no"; then A52DEC_CFLAGS="" A52DEC_LIBS="" fi if test "x$HAVE_A52DEC" = "xyes"; then ifelse([$1], , :, [$1]) else ifelse([$2], , :, [$2]) fi AC_SUBST(A52DEC_CFLAGS) AC_SUBST(A52DEC_LIBS) ])