#                                               -*- Autoconf -*-
# Process this file with autoconf to produce a configure script.

AC_PREREQ(2.57)
AC_INIT(LLADD, 0.1, sears@cs.berkeley.edu)
AM_INIT_AUTOMAKE(hello,0.1)
AC_CONFIG_SRCDIR([config.h.in])
AC_CONFIG_HEADER([config.h])

# Checks for programs.
AC_PROG_CXX
AC_PROG_CC
AC_PROG_CPP
AC_PROG_INSTALL
AC_PROG_LN_S
AC_PROG_MAKE_SET
## Need AC_PROG_LIBTOOL
AC_PROG_LIBTOOL
AC_PROG_RANLIB
# Checks for libraries.

#AM_PATH_CHECK(,[have_check="yes"],
#  AC_MSG_WARN([Check not found; cannot run unit tests!])
#  [have_check="no"])
#AM_CONDITIONAL(HAVE_CHECK, test x"$have_check", "xyes")

#AM_PATH_CHECK(,[have_check=true],
#  AC_MSG_WARN([Check not found; cannot run unit tests!])
#  [have_check=false])
#AM_CONDITIONAL(HAVE_CHECK, test x$have_check = xtrue)

## alas, it won't link if this is put in here..  instead, it's linked in manually in the test directory...

#AC_ARG_ENABLE(efence,
#[  --enable-efence         Use electric fence (www.perens.com)],
#[case "$enableval" in \
#	yes)  efence=yes ;; \
#	no)   efence=no;; \
#	*)    efence=no;; \
#esac], [efence=no])
#
#dnl Check for efence
#if test $efence = yes; then
#AC_CHECK_LIB(efence,memalign)
#fi


# Linux has a broken O_DIRECT flag, but we allow people to override it from
# the command line.
test_host_prw=yes
AC_CACHE_CHECK([for open/O_DIRECT], db_cv_open_o_direct, [
AC_TRY_LINK([
#include <sys/types.h>
#include <fcntl.h>], [
	open("a", O_RDONLY | O_DIRECT, 0);
], [db_cv_open_o_direct=yes; test_host_prw=no], [db_cv_open_o_direct=no])])
if test "$test_host_prw" = "no" -a "$db_cv_open_o_direct" = "yes"; then
	case "$host_os" in
	linux*)
		db_cv_open_o_direct=no;
		AC_MSG_WARN(
		    [O_DIRECT interface ignored on $host_os-$host_vendor.]);;
	esac
fi
if test "$db_cv_open_o_direct" = "yes"; then
	AC_DEFINE(HAVE_O_DIRECT)
	AH_TEMPLATE(HAVE_O_DIRECT, [Define to 1 if you have the O_DIRECT flag.])
fi

AC_CHECK_LIB([check], [suite_create], , AC_MSG_WARN([Check not found; cannot run unit tests!]))

## This perl script thing is a total hack, but we need to define HAVE_LIBCHECK
## inside of an AM_CONDITIONAL to get conditional compilation to work.
AM_CONDITIONAL(HAVE_LIBCHECK, echo $LIBS | [
perl -ne 'if($_=~/-lcheck/) 
   { print qq(Check found, make check will run test suites.  --enable-confuse will enable extra tests of old code.
); exit 0; } else { print qq(
--------------------------------


Check not found!  Most tests will be skipped by make check!


--------------------------------
); exit 1; }'])



#have_libcheck", "xyes")
#AC_CHECK_LIB([check], 
#	     [suite_create], AC_MSG_WARN([Check not found; cannot run unit tests!]
#	     have_check=yes, 
#	     AC_MSG_WARN([Check not found; cannot run unit tests!]))
#AM_CONDITIONAL(HAVE_CHECK, test x"$have_check", "xyes")
#AC_CHECK_FUNC([tcase_set_timeout])
#AM_CONDITIONAL(HAVE_CHECK, test xyes, xyes)
AC_CHECK_LIB([m], [sqrt])
AC_CHECK_LIB([pthread], [pthread_create])
#AC_CHECK_LIB([confuse], [cfg_set_validate_func])
## Repeat hack for LIBCONFUSE

AC_ARG_ENABLE([deprecated-networking],
  AC_HELP_STRING([--enable-network],
                 [Enables old networking code.  Requires libconfuse]),
  if test x$enableval = xno ; then
     echo "Networking disabled; not checking for confuse"
  else
     AC_CHECK_LIB([confuse], [cfg_set_validate_func])
  fi,
  echo "Networking disabled; not checking for confuse"
)

# Repeat hack for LIBCONFUSE
AM_CONDITIONAL(HAVE_LIBCONFUSE, echo $LIBS | [
perl -ne 'if($_=~/-lconfuse/) 
   { print qq(Confuse found, make check will run full test suite.
); exit 0; } else { print qq(Confuse not found; will skip networked stuff.
); exit 1; }'])


AC_ARG_ENABLE([pobj],
  AC_HELP_STRING([--enable-pobj], [Build pobj]),
  AM_CONDITIONAL(BUILD_POBJ, test x$enableval = xyes),
  AM_CONDITIONAL(BUILD_POBJ, false)
)

AC_ARG_ENABLE([benchmarks],
  AC_HELP_STRING([--enable-benchmarks], 
                 [Build benchmarks.  Requires Berkeley DB >= 4.2]),
  AM_CONDITIONAL(BUILD_BENCHMARKS, test x$enableval = xyes),
#  AC_CONFIG_DB,
  AM_CONDITIONAL(BUILD_BENCHMARKS, false)
)

AC_CONFIG_DB

AC_CHECK_LIB([intl], [bindtextdomain])
AC_CHECK_LIB([c], [bindtextdomain])

# Checks for header files.
AC_HEADER_DIRENT
AC_HEADER_STDC
AC_HEADER_SYS_WAIT
AC_CHECK_HEADERS([arpa/inet.h fcntl.h limits.h malloc.h memory.h netdb.h netinet/in.h stdlib.h string.h strings.h sys/socket.h sys/time.h syslog.h unistd.h errno.h])

# Checks for typedefs, structures, and compiler characteristics.
AC_C_CONST
AC_TYPE_PID_T
AC_TYPE_SIZE_T
AC_HEADER_TIME
AC_STRUCT_TM

#enable largefile support.
AC_SYS_LARGEFILE

# Checks for library functions.
AC_FUNC_ERROR_AT_LINE
AC_FUNC_MALLOC
AC_FUNC_MEMCMP
AC_FUNC_REALLOC
AC_FUNC_STAT
AC_CHECK_FUNCS([bzero fdatasync getcwd gettimeofday inet_ntoa localtime_r memmove memset mkdir powl posix_memalign socket sqrt strchr strdup strerror strrchr strstr strtoul tcase_set_timeout])

#AC_CONFIG_LIBMYSQLD


AC_CONFIG_FILES([Makefile
                 benchmarks/Makefile
                 benchmarks/berkeleyDB/Makefile
                 libdfa/Makefile
                 lladd/Makefile
                 src/2pc/Makefile
                 src/Makefile
                 src/apps/Makefile
                 src/apps/cht/Makefile
                 src/apps/readOnlyHash/Makefile
                 src/apps/cyrus/Makefile
                 src/libdfa/Makefile
                 src/lladd/Makefile
                 src/pobj/Makefile
                 src/timing/Makefile
                 test/2pc/Makefile
                 test/Makefile
                 test/cht/Makefile
                 test/dfa/Makefile
                 test/lladd-old/Makefile
                 test/lladd/Makefile
                 test/messages/Makefile
                 test/monotree/Makefile
                 test/pobj/Makefile
                 utilities/Makefile
])
AC_OUTPUT