AC_INIT(version.h)
MCONFIG=./MCONFIG
AC_SUBST_FILE(MCONFIG)
dnl
dnl handle --enable-dll-shlibs
dnl
AC_ARG_ENABLE([dll-shlibs],
[  --enable-dll-shlibs	select DLL libraries],
if test "$enableval" = "no"
then
	DLL_CMT=#
	MAKEFILE_DLL=/dev/null
	echo "Disabling DLL shared libraries"
else
	DLL_CMT=
	MAKEFILE_DLL=$srcdir/lib/Makefile.dll-lib
	echo "Enabling DLL shared libraries"
fi
,
MAKEFILE_DLL=/dev/null
DLL_CMT=#
echo "Disabling DLL shared libraries by default"
)
AC_SUBST(DLL_CMT)
AC_SUBST_FILE(MAKEFILE_DLL)
dnl
dnl handle --enable-elf-shlibs
dnl
AC_ARG_ENABLE([elf-shlibs],
[  --enable-elf-shlibs	select ELF shared libraries],
if test "$enableval" = "no"
then
	ELF_CMT=#
	MAKEFILE_ELF=/dev/null
	echo "Disabling ELF shared libraries"
else
	ELF_CMT=
	MAKEFILE_ELF=$srcdir/lib/Makefile.elf-lib
	echo "Enabling ELF shared libraries"
fi
,
MAKEFILE_ELF=/dev/null
ELF_CMT=#
echo "Disabling ELF shared libraries by default"
)
AC_SUBST(ELF_CMT)
AC_SUBST_FILE(MAKEFILE_ELF)
dnl
dnl handle --enable-profile
dnl
AC_ARG_ENABLE([profile],
[  --enable-profile	build profiling libraries],
if test "$enableval" = "no"
then
	PROFILE_CMT=#
	MAKEFILE_PROFILE=/dev/null
	echo "Disabling profiling libraries"
else
	PROFILE_CMT=
	MAKEFILE_PROFILE=$srcdir/lib/Makefile.profile
	echo "Building profiling libraries"
fi
,
PROFILE_CMT=#
MAKEFILE_PROFILE=/dev/null
echo "Disabling profiling libraries by default"
)
AC_SUBST(PROFILE_CMT)
AC_SUBST_FILE(MAKEFILE_PROFILE)
dnl
dnl handle --enable-checker
dnl
AC_ARG_ENABLE([checker],
[  --enable-checker	build checker libraries],
if test "$enableval" = "no"
then
	CHECKER_CMT=#
	MAKEFILE_CHECKER=/dev/null
	echo "Disabling checker libraries"
else
	CHECKER_CMT=
	MAKEFILE_CHECKER=$srcdir/lib/Makefile.checker
	echo "Building checker libraries"
fi
,
CHECKER_CMT=#
MAKEFILE_CHECKER=/dev/null
echo "Disabling checker libraries by default"
)
AC_SUBST(CHECKER_CMT)
AC_SUBST_FILE(MAKEFILE_CHECKER)
dnl
dnl
MAKEFILE_LIBRARY=$srcdir/lib/Makefile.library
AC_SUBST_FILE(MAKEFILE_LIBRARY)
dnl
dnl End of configuration options
dnl
AC_PROG_MAKE_SET
AC_PATH_PROG(LN, ln, ln)
AC_PATH_PROG(MV, mv, mv)
AC_PATH_PROG(CP, cp, cp)
AC_PATH_PROG(RM, rm, rm)
AC_PATH_PROG(CHMOD, chmod, :)
AC_PATH_PROG(AWK, awk, awk)
AC_PATH_PROG(SED, sed, sed)
AC_CHECK_TOOL(AR, ar, ar)
AC_CHECK_TOOL(RANLIB, ranlib, :)
AC_CHECK_TOOL(STRIP, strip, :)
AC_PROG_CC
AC_PROG_INSTALL
AC_C_CROSS
AC_CHECK_HEADERS(stdlib.h unistd.h stdarg.h errno.h mntent.h dirent.h getopt.h sys/utsname.h linux/fd.h sys/disklabel.h mach/error.h)
AC_FUNC_VPRINTF
dnl
dnl See if struct dirent has a d_namlen field (like bsd systems), implying
dnl that the actual length of the structure may be grater than the declared
dnl length. 
dnl
AC_MSG_CHECKING(whether struct dirent has a d_namlen field)
AC_CACHE_VAL(e2fsprogs_cv_struct_d_namlen,
	AC_TRY_COMPILE(
[#include <sys/types.h>
#include <dirent.h>],
		[struct dirent de; de.d_namlen = 0;],
		[e2fsprogs_cv_struct_d_namlen=yes],
		[e2fsprogs_cv_struct_d_namlen=no]))
AC_MSG_RESULT($e2fsprogs_cv_struct_d_namlen)
if test "$e2fsprogs_cv_struct_d_namlen" = yes; then
  AC_DEFINE(HAVE_DIRENT_NAMLEN)
fi
dnl
dnl Word sizes...
dnl
if test "$cross_compiling" = yes -a "$ac_cv_sizeof_long" = ""; then
  # if cross-compiling, with no cached values, just assume something common. 
  ac_cv_sizeof_short=2
  ac_cv_sizeof_int=4
  ac_cv_sizeof_long=4
  AC_MSG_WARN([Cross-compiling, so cannot check type sizes; assuming short=2, int=4, long=4])
fi
AC_CHECK_SIZEOF(short)
AC_CHECK_SIZEOF(int)
AC_CHECK_SIZEOF(long)
SIZEOF_SHORT=$ac_cv_sizeof_short
SIZEOF_INT=$ac_cv_sizeof_int
SIZEOF_LONG=$ac_cv_sizeof_long
AC_SUBST(SIZEOF_SHORT)
AC_SUBST(SIZEOF_INT)
AC_SUBST(SIZEOF_LONG)
dnl
dnl See if struct stat has a st_flags field, in which case we can get file
dnl flags somewhat portably.  Also check for the analogous setter, chflags().
dnl
AC_MSG_CHECKING(whether struct stat has a st_flags field)
AC_CACHE_VAL(e2fsprogs_cv_struct_st_flags,
	AC_TRY_COMPILE([#include <sys/stat.h>],
		[struct stat stat; stat.st_flags = 0;],
		[e2fsprogs_cv_struct_st_flags=yes],
		[e2fsprogs_cv_struct_st_flags=no]))
AC_MSG_RESULT($e2fsprogs_cv_struct_st_flags)
if test "$e2fsprogs_cv_struct_st_flags" = yes; then
  AC_DEFINE(HAVE_STAT_FLAGS)
fi
AC_CHECK_FUNCS(chflags getrusage llseek strdup getmntinfo strcasecmp)
dnl
dnl On systems without linux header files, we add an extra include directory
dnl that holds enough to fake it (hopefully).  Note that the $(top_srcdir) here
dnl is quoted so that it gets expanded by make, not by configure.
dnl
AC_CHECK_HEADER(linux/fs.h, [linux_headers=yes], [linux_headers=no])
AC_SUBST(EXTRA_PROGS)
if test "$linux_headers" = yes; then
  AC_DEFINE(HAVE_LINUX_FS_H)
  # These are some programs that depend on having linux headers around, and
  # won't work otherwise.  So we only compile them if we can.
  EXTRA_PROGS="$EXTRA_PROGS flushb"
else
  LINUX_INCLUDE='-I$(top_srcdir)/include -I$(top_builddir)/include'
  # Use this include directory with test compiles in the configure script too.
  CPPFLAGS="$CPPFLAGS -I$srcdir/include -I./include"
fi
AC_SUBST(LINUX_INCLUDE)
dnl
dnl See if optreset exists
dnl
AC_MSG_CHECKING(for optreset)
AC_CACHE_VAL(ac_cv_have_optreset,
[AC_EGREP_HEADER(optreset, unistd.h,
  ac_cv_have_optreset=yes, ac_cv_have_optreset=no)])dnl
AC_MSG_RESULT($ac_cv_have_optreset)
if test $ac_cv_have_optreset = yes; then
  AC_DEFINE(HAVE_OPTRESET)
fi
dnl
dnl See if using the EXT2 ioctls causes a compile-time barf (as on the hurd).
dnl
AC_MSG_CHECKING(whether the ext2 ioctls compile)
AC_CACHE_VAL(e2fsprogs_cv_ioctl_ext2,
	AC_TRY_COMPILE([#include <linux/ext2_fs.h>
#include <sys/ioctl.h>],
		[ioctl (0, EXT2_IOC_SETVERSION, 0);],
		[e2fsprogs_cv_ioctl_ext2=yes],
		[e2fsprogs_cv_ioctl_ext2=no]))
AC_MSG_RESULT($e2fsprogs_cv_ioctl_ext2)
if test "$e2fsprogs_cv_ioctl_ext2" = yes; then
  AC_DEFINE(HAVE_EXT2_IOCTLS)
fi
dnl
dnl On linux, force the prefix to be '/'
dnl
AC_REQUIRE([AC_CANONICAL_HOST])
case "$host_os" in
linux*)
	if test "$prefix" = NONE ; then
		prefix='/';
		echo "On Linux systems, prefix defaults to '/'"
	fi
;;
esac
dnl
dnl Check to see if prefix is '/'
dnl
if test "$prefix" = / ; then
	usr_prefix=/usr
else
	usr_prefix="\${prefix}"
fi
AC_SUBST(usr_prefix)
dnl
dnl Make the ss and et directories work correctly.
dnl
SS_DIR=`cd ${srcdir}/lib/ss; pwd`
ET_DIR=`cd ${srcdir}/lib/et; pwd`
AC_SUBST(SS_DIR)
AC_SUBST(ET_DIR)
dnl
dnl Make our output files, being sure that we create the some miscellaneous 
dnl directories
dnl
test -d lib || mkdir lib
test -d include || mkdir include
test -d include/linux || mkdir include/linux
AC_OUTPUT(MCONFIG include/linux/types.h Makefile lib/et/Makefile 
	lib/et/compile_et.sh lib/ss/Makefile lib/ss/mk_cmds.sh 
	lib/ext2fs/Makefile lib/e2p/Makefile misc/Makefile 
	e2fsck/Makefile debugfs/Makefile tests/Makefile)