AC_HEADER_STDC
AC_CHECK_HEADERS(sys/ioctl.h unistd.h)
+# Check version number coherency between RtAudio.h and configure.ac
+AC_MSG_CHECKING([that version numbers are coherent])
+AC_RUN_IFELSE(
+ [AC_LANG_PROGRAM([#include <string.h>
+ `grep "define RTAUDIO_VERSION" $srcdir/RtAudio.h`],
+ [return strcmp(RTAUDIO_VERSION, PACKAGE_VERSION);])],
+ [AC_MSG_RESULT([yes])],
+ [AC_MSG_FAILURE([testing RTAUDIO_VERSION==PACKAGE_VERSION failed, check that RtAudio.h defines RTAUDIO_VERSION as "$PACKAGE_VERSION" or that the first line of configure.ac has been updated.])])
+
# Check for debug
AC_MSG_CHECKING(whether to compile debug version)
AC_ARG_ENABLE(debug,
[AC_SUBST( cppflag, [-D__RTAUDIO_DEBUG__] ) AC_SUBST( cxxflag, [-g] ) AC_SUBST( object_path, [Debug] ) AC_MSG_RESULT(yes)],
[AC_SUBST( cppflag, [] ) AC_SUBST( cxxflag, [-O2] ) AC_SUBST( object_path, [Release] ) AC_MSG_RESULT(no)])
-
# Checks for functions
AC_CHECK_FUNC(gettimeofday, [cppflag="$cppflag -DHAVE_GETTIMEOFDAY"], )