#                                               -*- 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([m], [sqrt])
AC_CHECK_LIB([db], [db_open])
AC_CHECK_LIB([pthread], [pthread_create])

# 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

# 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 socket sqrt strchr strdup strerror strrchr strstr strtoul])

AC_CONFIG_FILES([Makefile
                 benchmarks/Makefile
                 benchmarks/berkeleyDB/Makefile
                 libdfa/Makefile
                 lladd/Makefile
                 pbl/Makefile
                 src/2pc/Makefile
                 src/Makefile
                 src/apps/Makefile
                 src/apps/cht/Makefile
                 src/apps/cyrus/Makefile
                 src/libdfa/Makefile
                 src/lladd/Makefile
                 src/pbl/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