configure.in

dnl Process this file with autoconf to produce a configure script.
dnl $Id$

dnl stepped this to a strictly numeric version -- the "-rc1-pre7.14a" stuff seems ambiguous and doesn't pass strcmp("..","..").  This will unify at 0.4.0
AC_INIT(mysqlfs, 0.4.0)
AM_INIT_AUTOMAKE([foreign dist-bzip2])
AC_CONFIG_HEADERS(config.h)
AC_CONFIG_SRCDIR([configure.in])
AC_CONFIG_TESTDIR([tests-autotest])
AC_PREFIX_PROGRAM([id])

AC_ENABLE_SHARED(yes)

AC_DEFINE(FUSE_USE_VERSION, 25, [Fuse API Version])
AC_DEFINE(MYSQL_MIN_VERSION, 50000, [Minimal supported MySQL version])

AC_DEFINE(_FILE_OFFSET_BITS,64,[Use 64 bits file offsets])

AC_ARG_WITH(mysql, [AS_HELP_STRING([--with-mysql=DIR], [mysql directory ])])
AC_ARG_WITH(fuse, [AS_HELP_STRING([--with-fuse=DIR],[fuse directory ])])
AC_ARG_WITH(testfile, [AS_HELP_STRING([--with-testfile=FILE],[file to test copying to the filesystem])],,[with_testfile=configure])
AC_ARG_ENABLE(debug, [AS_HELP_STRING([--enable-debug],[Turn on debugging (default off)])], debug=$enableval, debug=no)
AC_ARG_ENABLE(status, [AS_HELP_STRING([--enable-status(=.status)],[Turn on .status dir (default off)])],
[case $enableval in
  yes) STATUSDIR=.status;
AC_DEFINE_UNQUOTED(STATUSDIR, "${STATUSDIR}",[define a subdir name in the root of the FS to show status data])
AC_SUBST(STATUSDIR)
  ;;
  no) STATUSDIR=no ;;
  *) STATUSDIR=$enableval;
AC_DEFINE_UNQUOTED(STATUSDIR, "${STATUSDIR}",[define a subdir name in the root of the FS to show status data])
AC_SUBST(STATUSDIR)
  ;;
esac
], STATUSDIR=no)
AC_ARG_ENABLE(plugins,
[AS_HELP_STRING([--disable-plugins],[Disable block and pre/post plugins; default=enabled])],
[
    if test "x$enableval" != "xyes"; then
        PLUGINS=false
    else
        PLUGINS=true
    fi
],
[
    PLUGINS=true
])
AC_SUBST([PLUGINS])

dnl Note: this is a GCC extension, this kills portability
case "$debug" in
  yes) CFLAGS_ADD="-DDEBUG -Wall -Werror" ;;
  no) CFLAGS_ADD="-Wall -Werror";;
  *) AC_MSG_ERROR(bad value ${debug} for --enable-debug) ;;
esac

dnl Checks for programs.
AC_PROG_CC
AC_PROG_LIBTOOL
AC_PATH_PROGS(DOXYGEN, [doxygen], missing, $PATH:/Applications/Doxygen.app/Contents/Resources)
AM_CONDITIONAL(DO_DOXYGEN, test x$DOXYGEN != xmissing)
AC_CHECK_PROGS(RPMBUILD, [rpmbuild], missing)
AM_CONDITIONAL(DO_RPMBUILD, test x$RPMBUILD != xmissing)
AC_PATH_PROGS(DOT, [dot], missing, $PATH:/usr/local/bin)
AM_CONDITIONAL(DO_DOT, test x$DOT != xmissing)
AM_CONDITIONAL(DO_DEBUG, test x$debug != xno)
AC_CHECK_PROG(HAVE_DOXYGEN,[doxygen],yes)
AC_CHECK_PROG(HAVE_DOT,[dot],YES,NO)
AC_CHECK_PROGS(MD5SUM, [md5 md5sum], missing)
AC_PATH_PROGS(MYSQL, [mysql], missing, $PATH:/usr/local/bin:/usr/local/mysql/bin)

dnl this ia a bit psychotic, but I'm a fan of XML for the ability to check it.  so let's check it.
AC_CHECK_PROGS(XMLLINT, [xmllint], missing)
XMLVERSION="1.0"	dnl Schema version
AC_DEFINE_UNQUOTED(XMLVERSION, "${XMLVERSION}",[define an XML Schema version that gets carried through the code and the code converted from file.in to file])
AC_SUBST(XMLVERSION)

testfile_md5sum=`cat $with_testfile|${MD5SUM}`
AC_SUBST(with_testfile)
AC_SUBST(testfile_md5sum)

dnl Because I keep forgetting that we need to treat MacOSX like BSD
case $ac_cv_build in
*-apple-darwin*)
	CFLAGS_ADD="$CFLAGS_ADD -D __FreeBSD__=10" ;
	CPPFLAGS_ADD="$CPPFLAGS_ADD -D __FreeBSD__=10" ;;
esac

AC_SUBST(AUTOM4TE, autom4te)

for i in /usr/local/fuse /usr/local /usr; do
  if test -r $i/include/fuse.h; then
    FUSE_DIR=$i
    FUSE_LIB_DIR=$i/lib
    FUSE_INC_DIR=$i/include
    break
  fi
done
if test x${FUSE_LIB_DIR} != x
then
  FUSE_LDFLAGS="-L${FUSE_LIB_DIR}"
  FUSE_CFLAGS="-I${FUSE_INC_DIR}"
  LDFLAGS="$LDFLAGS $FUSE_LDFLAGS"
  CFLAGS="$CFLAGS $FUSE_CFLAGS"
  CPPFLAGS="$CPPFLAGS $FUSE_CFLAGS"
fi

MYSQL_CONFIG=$(which mysql_config)
if test "$MYSQL_CONFIG"; then
  MYSQL_LDFLAGS=$(${MYSQL_CONFIG} --libs_r)
  MYSQL_CFLAGS=$(${MYSQL_CONFIG} --include)
else
  for i in /usr/local/mysql /usr/local /usr; do
    if test -r $i/include/mysql/mysql.h; then
      MYSQL_DIR=$i
      MYSQL_LIB_DIR=$i/lib/mysql
      MYSQL_INC_DIR=$i/include/mysql
      break
    elif test -r $i/include/mysql.h; then
      MYSQL_DIR=$i
      MYSQL_LIB_DIR=$i/lib
      MYSQL_INC_DIR=$i/include
      break
    fi
  done
  if test x${MYSQL_LIB_DIR} != x
  then
    MYSQL_LDFLAGS="-L${MYSQL_LIB_DIR}"
    MYSQL_CFLAGS="-I${MYSQL_INC_DIR}"
  fi
fi
LDFLAGS="$LDFLAGS $MYSQL_LDFLAGS"
CFLAGS="$CFLAGS $CFLAGS_ADD $MYSQL_CFLAGS"
CPPFLAGS="$CPPFLAGS $CPPFLAGS_ADD $MYSQL_CFLAGS"

dnl Checks for libraries.
AC_SEARCH_LIBS(mysql_init, mysqlclient,, AC_MSG_ERROR([Please install mysqlclient library first.]))
AC_SEARCH_LIBS(pthread_create, pthread,, AC_MSG_ERROR([Please install pthreads library first.]))
AC_SEARCH_LIBS(fuse_main, fuse,, AC_MSG_ERROR([Please install fuse library first.]))

dnl Checks for header files. (mac -- and BSD? -- have statfs in mount.h)
AC_CHECK_HEADERS(stdio.h sys/param.h sys/mount.h)

AC_CHECK_HEADERS(fuse/fuse.h,, AC_MSG_ERROR([Please install FUSE development package]))
AC_MSG_CHECKING(FUSE API version)
AC_EGREP_CPP(yes, [#include <fuse/fuse.h>
#if FUSE_VERSION >= FUSE_USE_VERSION
yes
#endif], [AC_MSG_RESULT(ok)], [AC_MSG_RESULT(too old)
        AC_MSG_ERROR([FUSE version 2.5 or higher is required.])
])

dnl check for one header location, and if not found, try the second.  Is this possible in a AC_* while still offering the error message?
AC_CHECK_HEADERS(mysql.h ,, [AC_CHECK_HEADERS(mysql/mysql.h,, AC_MSG_ERROR([Please install MySQL development package]))] )

AC_MSG_CHECKING(MySQL version)
AC_EGREP_CPP(yes, [
#ifdef HAVE_MYSQL_MYSQL_H
#include <mysql/mysql_version.h>
#endif
#ifdef HAVE_MYSQL_H
#include <mysql_version.h>
#endif
#if MYSQL_VERSION_ID > MYSQL_MIN_VERSION
yes
#endif], [AC_MSG_RESULT(ok)], [AC_MSG_RESULT(too old)
        AC_MSG_ERROR([MySQL version 5.0 or higher is required.])
])
AC_SEARCH_LIBS(dlopen)
AM_CONDITIONAL(DO_PLUGINS, test x$PLUGINS != xfalse)
AC_SEARCH_LIBS(dlopen_preflight)
CFLAGS="$CFLAGS $CFLAGS_ADD"

AC_OUTPUT(Makefile
	mysqlfs.spec:pkg/mysqlfs.spec.in Doxyfile:pkg/Doxyfile.in
	doc/Makefile doc/index.html
	pkg/Makefile pkg/doc-mainpage.c pkg/statusfile.xsd
	plugins/Makefile
	tests-autotest/Makefile tests-autotest/atlocal tests-autotest/testsuite.at
)