AC_INIT(version.h)
MCONFIG=./MCONFIG
AC_SUBST_FILE(MCONFIG)
BINARY_TYPE=bin
dnl
dnl This is to figure out the version number and the date....
dnl
E2FSPROGS_VERSION=`grep E2FSPROGS_VERSION ${srcdir}/version.h  \
	| awk '{print $3}' | tr \" " " | awk '{print $1}'`
DATE=`grep E2FSPROGS_DATE ${srcdir}/version.h | awk '{print $3}' \
	| tr \" " "`
MONTH=`echo $DATE | awk -F- '{print $2}'`
YEAR=`echo $DATE | awk -F- '{print $3}'`

if expr $YEAR ">" 90 >/dev/null ; then
	E2FSPROGS_YEAR=19$YEAR
else
	E2FSPROGS_YEAR=20$YEAR
fi

case $MONTH in
Jan)	E2FSPROGS_MONTH="January" ;;
Feb)	E2FSPROGS_MONTH="February" ;;
Mar)	E2FSPROGS_MONTH="March" ;;
Apr)	E2FSPROGS_MONTH="April" ;;
May)	E2FSPROGS_MONTH="May" ;;
Jun)	E2FSPROGS_MONTH="June" ;;
Jul)	E2FSPROGS_MONTH="July" ;;
Aug)	E2FSPROGS_MONTH="August" ;;
Sep)	E2FSPROGS_MONTH="September" ;;
Oct)	E2FSPROGS_MONTH="October" ;;
Nov)	E2FSPROGS_MONTH="November" ;;
Dec)	E2FSPROGS_MONTH="December" ;;
*)	echo "Unknown month $MONTH??" ;;
esac

unset DATE MONTH YEAR
echo "Generating configuration file for e2fsprogs version $E2FSPROGS_VERSION"
echo "Release date is ${E2FSPROGS_MONTH}, ${E2FSPROGS_YEAR}"
AC_SUBST(E2FSPROGS_YEAR)
AC_SUBST(E2FSPROGS_MONTH)
AC_SUBST(E2FSPROGS_VERSION)
dnl
dnl set $(CC) from --with-cc=value
dnl
AC_ARG_WITH([cc],
[  --with-cc=COMPILER      select compiler to use],
AC_MSG_RESULT(CC=$withval)
CC=$withval,
if test -z "$CC" ; then CC=cc; fi
[AC_MSG_RESULT(CC defaults to $CC)])dnl
export CC
AC_SUBST([CC])
dnl
dnl set $(LD) from --with-linker=value
dnl
AC_ARG_WITH([linker],
[  --with-linker=LINKER    select linker to use],
AC_MSG_RESULT(LD=$withval)
LD=$withval,
if test -z "$LD" ; then LD=$CC; fi
[AC_MSG_RESULT(LD defaults to $LD)])dnl
export LD
AC_SUBST([LD])
dnl
dnl set $(CCOPTS) from --with-ccopts=value
dnl
AC_ARG_WITH([ccopts],
[  --with-ccopts=CCOPTS    select compiler command line options],
AC_MSG_RESULT(CCOPTS is $withval)
CCOPTS=$withval
CFLAGS="$CFLAGS $withval",
CCOPTS=)dnl
AC_SUBST(CCOPTS)
dnl
dnl Set default values for library extentions.  Will be dealt with after
dnl parsing configuration opions, which may modify these
dnl
LIB_EXT=.a
STATIC_LIB_EXT=.a
PROFILE_LIB_EXT=.a
dnl
dnl set $(LDFLAGS) from --with-ldopts=value
dnl
AC_ARG_WITH([ldopts],
[  --with-ldopts=LDOPTS    select linker command line options],
AC_MSG_RESULT(LDFLAGS is $withval)
LDFLAGS=$withval,
LDFLAGS=)dnl
AC_SUBST(LDFLAGS)
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
	BINARY_TYPE=dllbin
	LIB_EXT=.sa
	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
	BINARY_TYPE=elfbin
	LIB_EXT=.so
	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-bsd-shlibs
dnl
AC_ARG_ENABLE([bsd-shlibs],
[  --enable-bsd-shlibs	  select BSD shared libraries],
if test "$enableval" = "no"
then
	BSDLIB_CMT=#
	MAKEFILE_BSDLIB=/dev/null
	echo "Disabling BSD shared libraries"
else
	BSDLIB_CMT=
	MAKEFILE_BSDLIB=$srcdir/lib/Makefile.bsd-lib
	LIB_EXT=.so
	echo "Enabling BSD shared libraries"
fi
,
MAKEFILE_BSDLIB=/dev/null
BSDLIB_CMT=#
echo "Disabling BSD shared libraries by default"
)
AC_SUBST(BSDLIB_CMT)
AC_SUBST_FILE(MAKEFILE_BSDLIB)
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
	PROFILED_LIB_EXT=_p.a
	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 Substitute library extensions
dnl
AC_SUBST(LIB_EXT)
AC_SUBST(STATIC_LIB_EXT)
AC_SUBST(PROFILED_LIB_EXT)
dnl
dnl handle --enable-gcc-wall
dnl
AC_ARG_ENABLE([gcc-wall],
[  --enable-gcc-wall	  enable GCC anal warnings],
if test "$enableval" = "no"
then
	W=#
	echo "Disabling GCC warnings"
else
	W=
	echo "Enabling GCC warnings"
fi
,
W=#
echo "Disabling GCC warnings by default"
)
AC_SUBST(W)
AC_ARG_ENABLE([dynamic-e2fsck],
[  --enable-dynamic-e2fsck build e2fsck dynamically],
if test "$enableval" = "no"
then
	E2FSCK_TYPE=static
	echo "Building e2fsck statically"
else
	E2FSCK_TYPE=shared
	echo "Building e2fsck dynamically"
fi
,
E2FSCK_TYPE=static
echo "Building e2fsck statically by default"
)
AC_SUBST(E2FSCK_TYPE)
dnl
dnl
MAKEFILE_LIBRARY=$srcdir/lib/Makefile.library
AC_SUBST_FILE(MAKEFILE_LIBRARY)
dnl
dnl End of configuration options
dnl
AC_SUBST(BINARY_TYPE)
AC_PROG_MAKE_SET
AC_PATH_PROG(LN, ln, ln)
AC_PATH_PROG(MV, mv, mv)
AC_PATH_PROG(CP, cp, cp)
AC_PATH_PROG(RM, rm, rm)
AC_PATH_PROG(CHMOD, chmod, :)
AC_PATH_PROG(AWK, awk, awk)
AC_PATH_PROG(SED, sed, sed)
AC_CHECK_TOOL(AR, ar, ar)
AC_CHECK_TOOL(RANLIB, ranlib, :)
AC_CHECK_TOOL(STRIP, strip, :)
AC_PROG_CC
AC_PROG_INSTALL
AC_C_CROSS
AC_CHECK_HEADERS(stdlib.h unistd.h stdarg.h errno.h mntent.h dirent.h getopt.h linux/fd.h linux/major.h sys/disklabel.h)
AC_FUNC_VPRINTF
dnl
dnl See if struct dirent has a d_namlen field (like bsd systems), implying
dnl that the actual length of the structure may be grater than the declared
dnl length. 
dnl
AC_MSG_CHECKING(whether struct dirent has a d_namlen field)
AC_CACHE_VAL(e2fsprogs_cv_struct_d_namlen,
	AC_TRY_COMPILE(
[#include <sys/types.h>
#include <dirent.h>],
		[struct dirent de; de.d_namlen = 0;],
		[e2fsprogs_cv_struct_d_namlen=yes],
		[e2fsprogs_cv_struct_d_namlen=no]))
AC_MSG_RESULT($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)
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 $ac_cv_have_optreset = yes; then
  AC_DEFINE(HAVE_OPTRESET)
fi
dnl
dnl See if our system has frags enabled (at least in the header file)
dnl
AC_MSG_CHECKING(whether struct ext2_inode has frags fields)
AC_CACHE_VAL(e2fsprogs_cv_struct_ext2_inode_frags,
	AC_TRY_COMPILE([#include <linux/ext2_fs.h>],
		[struct ext2_inode i; i.i_frag = i.i_fsize = 0;],
		[e2fsprogs_cv_struct_ext2_inode_frags=yes],
		[e2fsprogs_cv_struct_ext2_inode_frags=no]))
AC_MSG_RESULT($e2fsprogs_cv_struct_ext2_inode_frags)
if test "$e2fsprogs_cv_struct_ext2_inode_frags" = yes; then
  AC_DEFINE(HAVE_EXT2_FRAGS)
fi
dnl
dnl See if using the EXT2 ioctls causes a compile-time barf (as on the hurd).
dnl
AC_MSG_CHECKING(whether the ext2 ioctls compile)
AC_CACHE_VAL(e2fsprogs_cv_ioctl_ext2,
	AC_TRY_COMPILE([#include <linux/ext2_fs.h>
#include <sys/ioctl.h>],
		[ioctl (0, EXT2_IOC_SETVERSION, 0);],
		[e2fsprogs_cv_ioctl_ext2=yes],
		[e2fsprogs_cv_ioctl_ext2=no]))
AC_MSG_RESULT($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 "$prefix" = NONE ; then
		prefix='/';
		echo "On Linux systems, prefix defaults to '/'"
	fi
;;
esac
dnl
dnl See if -static works.
dnl XXX for now, assume that only Linux systems support -static
dnl
AC_REQUIRE([AC_CANONICAL_HOST])
LDFLAG_STATIC=
case "$host_os" in
linux*)
	LDFLAG_STATIC=-static
	echo "On Linux systems, assume -static works"
;;
esac
AC_SUBST(LDFLAG_STATIC)
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 ${srcdir}/lib/et; pwd`
AC_SUBST(SS_DIR)
AC_SUBST(ET_DIR)
dnl
dnl Only try to run the test suite if we're not cross compiling.
dnl
if test "$cross_compiling" = yes ; then
  DO_TEST_SUITE=
else
  DO_TEST_SUITE=check
fi
AC_SUBST(DO_TEST_SUITE)
dnl
dnl
dnl
DO_SUBSTITUTE_SCRIPT=$srcdir/lib/do_substitute
AC_SUBST_FILE(DO_SUBSTITUTE_SCRIPT)
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 lib/substitute_sh Makefile lib/et/Makefile 
	lib/ss/Makefile lib/ext2fs/Makefile lib/e2p/Makefile misc/Makefile 
	e2fsck/Makefile debugfs/Makefile tests/Makefile)