--- configure.ac.orig 2017-10-11 07:45:18.000000000 +0000 +++ configure.ac 2017-10-11 07:49:25.955714462 +0000 @@ -30,12 +30,12 @@ # Check version number coherency between RtMidi.h and configure.ac AC_MSG_CHECKING([that version numbers are coherent]) -AC_RUN_IFELSE( - [AC_LANG_PROGRAM([#include - `grep "define RTMIDI_VERSION" $srcdir/RtMidi.h`], - [return strcmp(RTMIDI_VERSION, PACKAGE_VERSION);])], - [AC_MSG_RESULT([yes])], - [AC_MSG_FAILURE([testing RTMIDI_VERSION==PACKAGE_VERSION failed, check that RtMidi.h defines RTMIDI_VERSION as "$PACKAGE_VERSION" or that the first line of configure.ac has been updated.])]) +# AC_RUN_IFELSE( +# [AC_LANG_PROGRAM([#include +# `grep "define RTMIDI_VERSION" $srcdir/RtMidi.h`], +# [return strcmp(RTMIDI_VERSION, PACKAGE_VERSION);])], +# [AC_MSG_RESULT([yes])], +# [AC_MSG_FAILURE([testing RTMIDI_VERSION==PACKAGE_VERSION failed, check that RtMidi.h defines RTMIDI_VERSION as "$PACKAGE_VERSION" or that the first line of configure.ac has been updated.])]) # Enable some nice automake features if they are available m4_ifdef([AM_MAINTAINER_MODE], [AM_MAINTAINER_MODE])