dnl Process this file with autoconf to produce configure.

AC_INIT(SQLClient.h)
AC_CONFIG_HEADER(config.h)

AC_ARG_WITH(additional-include,
  [  --with-additional-include=flags  specify additional include dirs to use],
  additional_include="$withval", additional_include="no")

if test "$additional_include" != "no"; then
  CPPFLAGS="$CPPFLAGS $additional_include"
  INCD="$INCD $additional_include"
fi

AC_ARG_WITH(additional-lib,
  [  --with-additional-lib=flags  specify additional lib dirs to use],
  additional_lib="$withval", additional_lib="no")

if test "$additional_lib" != "no"; then
  LDFLAGS="$LDFLAGS $additional_lib"
  LIBD="$LIBD $additional_lib"
fi

echo "Postgres development support"
AC_ARG_WITH(postgres-dir,
  [  --with-postgres-dir=PATH  specify postgres installation dir],
  postgres_topdir="$withval", postgres_topdir="no")

if test "$postgres_topdir" != "no"; then
  CPPFLAGS="$CPPFLAGS -I$postgres_topdir/include -L$postgres_topdir/lib"
  INCD="$INCD -I$postgres_topdir/include"
  LIBD="$LIBD -L$postgres_topdir/lib"
fi

AC_CHECK_HEADERS(mysql/mysql.h)
if test "$ac_cv_header_mysql_mysql_h" = "yes"; then
  MYSQL=yes
else
  MYSQL=
  echo "*********************************************************"
  echo "Unable to locate mysqlclient headers (are they installed)"
  echo "*********************************************************"
fi
if test "$MYSQL" = "yes"; then
  AC_CHECK_LIB(mysqlclient,mysql_init)
  if test "$ac_cv_lib_mysqlclient_mysql_init" != "yes"; then
    MYSQL=
    echo "******************************************************"
    echo "Unable to locate mysqlclient library (is it installed)"
    echo "******************************************************"
  fi
fi
AC_SUBST(MYSQL)

AC_CHECK_HEADERS(libpq-fe.h)
if test "$ac_cv_header_libpq_fe_h" = "yes"; then
  POSTGRES=yes
else
  old="$CPPFLAGS"
  CPPFLAGS="$CPPFLAGS -I/usr/include/postgresql"
  AC_CHECK_HEADERS(/usr/include/postgresql/libpq-fe.h)
  CPPFLAGS="$old"
  if test "$ac_cv_header__usr_include_postgresql_libpq_fe_h" = "yes"; then
    INCD="$INCD -I/usr/include/postgresql"
    POSTGRES=yes
  else
    CPPFLAGS="$CPPFLAGS -I/usr/include/pgsql"
    AC_CHECK_HEADERS(/usr/include/pgsql/libpq-fe.h)
    CPPFLAGS="$old"
    if test "$ac_cv_header__usr_include_pgsql_libpq_fe_h" = "yes"; then
      INCD="$INCD -I/usr/include/pgsql"
      POSTGRES=yes
    else
      CPPFLAGS="$CPPFLAGS -I/usr/local/include/pgsql"
      AC_CHECK_HEADERS(/usr/local/include/pgsql/libpq-fe.h)
      CPPFLAGS="$old"
      if test "$ac_cv_header__usr_local_include_pgsql_libpq_fe_h" = "yes"; then
	INCD="$INCD -I/usr/local/include/pgsql"
	POSTGRES=yes
      else
	CPPFLAGS="$save_CPPFLAGS"
	POSTGRES=
	echo "**************************************************************"
	echo "Unable to locate libpq (postgres) headers (are they installed)"
	echo "**************************************************************"
      fi
    fi
  fi
fi

AC_CHECK_HEADERS(ecpglib.h)
if test "$ac_cv_header_ecpglib_h" = "yes"; then
  ECPG=yes
else
  old="$CPPFLAGS"
  CPPFLAGS="$CPPFLAGS -I/usr/include/postgresql"
  AC_CHECK_HEADERS(/usr/include/postgresql/ecpglib.h)
  CPPFLAGS="$old"
  if test "$ac_cv_header__usr_include_postgresql_ecpglib_h" = "yes"; then
    INCD="$INCD -I/usr/include/postgresql"
    ECPG=yes
  else
    CPPFLAGS="$CPPFLAGS -I/usr/include/pgsql"
    AC_CHECK_HEADERS(/usr/include/pgsql/ecpglib.h)
    CPPFLAGS="$old"
    if test "$ac_cv_header__usr_include_pgsql_ecpglib_h" = "yes"; then
      INCD="$INCD -I/usr/include/pgsql"
      ECPG=yes
    else
      CPPFLAGS="$CPPFLAGS -I/usr/local/include/pgsql"
      AC_CHECK_HEADERS(/usr/local/include/pgsql/ecpglib.h)
      CPPFLAGS="$old"
      if test "$ac_cv_header__usr_local_include_pgsql_ecpglib_h" = "yes"; then
	INCD="$INCD -I/usr/local/include/pgsql"
	ECPG=yes
      else
	CPPFLAGS="$save_CPPFLAGS"
	ECPG=
	echo "*************************************************************"
	echo "Unable to locate ecpg (postgres) headers (are they installed)"
	echo "*************************************************************"
      fi
    fi
  fi
fi
if test "$POSTGRES" = "yes"; then
  # NICOLA - hack
  if test -d /usr/lib/pgsql ; then
    CPPFLAGS="$CPPFLAGS -L/usr/lib/pgsql"
    LIBD="$LIBD -L/usr/lib/pgsql"
  else
    if test -d /usr/local/lib/pgsql ; then
      CPPFLAGS="$CPPFLAGS -L/usr/local/lib/pgsql"
      LIBD="$LIBD -L/usr/local/lib/pgsql"
    fi
  fi
 
  AC_CHECK_LIB(pq,PQfformat)
  if test "$ac_cv_lib_pq_PQfformat" != "yes"; then
      POSTGRES=
      AC_CHECK_LIB(pq,PQclear)
      echo "******************************************************"
      if test "$ac_cv_lib_pq_PQclear" != "yes"; then
	echo "Unable to locate postgres pq library (is it installed)"
      else
	echo "Located postgres pq library, but it is too old to use!"
      fi
      echo "Perhaps you can try 'configure --with-postgres=dir=path'"
      echo "to point to the postgres version you wish to use."
      echo "******************************************************"
  fi
  AC_CHECK_LIB(ecpg,ECPGconnect)
  if test "$ac_cv_lib_ecpg_ECPGconnect" != "yes"; then
      ECPG=
      echo "********************************************************"
      echo "Unable to locate postgres ecpg library (is it installed)"
      echo "Perhaps you can try 'configure --with-postgres=dir=path'"
      echo "to point to the postgres version you wish to use."
      echo "********************************************************"
  fi
fi

AC_SUBST(POSTGRES)
AC_SUBST(ECPG)

ORACLE_HOME=
AC_SUBST(ORACLE_HOME)

AC_SUBST(INCD)
AC_SUBST(LIBD)
AC_SUBST(LIBS)

if test "$MYSQL" = "yes"; then
  BUNDLE="The MySQL backend bundle will be built"
else
  BUNDLE="The MySQL backend bundle will NOT be built"
fi
AC_MSG_RESULT(${BUNDLE})

if test "$POSTGRES" = "yes"; then
  BUNDLE="The Postgres backend bundle will be built"
else
  BUNDLE="The Postgres backend bundle will NOT be built"
fi
AC_MSG_RESULT(${BUNDLE})

if test "$ECPG" = "yes"; then
  BUNDLE="The ECPG backend bundle will be built"
else
  BUNDLE="The ECPG backend bundle will NOT be built"
fi
AC_MSG_RESULT(${BUNDLE})

if test "$ORACLE" = "yes"; then
  BUNDLE="The Oracle backend bundle will be built"
else
  BUNDLE="The Oracle backend bundle will NOT be built"
fi
AC_MSG_RESULT(${BUNDLE})

AC_OUTPUT(config.make)