dnl Process this file with autoconf to produce a configure script.
AC_INIT(src/db/dbinf.h)
AM_INIT_AUTOMAKE(freescope, 0.3.0)
AM_CONFIG_HEADER(src/include/config.h)

dnl Checks for programs.
AC_PROG_CC
AC_PROG_CXX
AC_PROG_RANLIB
AM_PROG_LEX
AC_PROG_YACC
AC_PROG_MAKE_SET
AC_CHECK_PROG(have_ed,
              ed,
              yes,
              [])
if test "$have_ed" = "yes"
then
    AC_DEFINE(HAVE_TEXT_CHANGE_CAPABILITY)
fi

AC_CHECK_PROG(RM, rm, rm)
AC_CHECK_PROG(AR, ar, ar)

if test -z "$RM"
then
    AC_MSG_ERROR(rm not found)
fi

dnl Checks for libraries.

AC_CHECK_LIB(ncurses, main, [],
             [ AC_CHECK_LIB(curses, main, [], [exit -1]) ])

dnl Replace `main' with a function in -lfl:
AC_CHECK_LIB(fl, main)
dnl Replace `main' with a function in -lstdc:
AC_CHECK_LIB(stdc, main)

AC_CHECK_LIB(regex, main, [EXTRA_LIBS="$EXTRA_LIBS -lregex"])

dnl Checks for header files.
AC_HEADER_STDC
AC_CHECK_HEADERS(fcntl.h unistd.h getopt.h)

dnl Checks for typedefs, structures, and compiler characteristics.
AC_C_CONST
AC_C_INLINE
AC_TYPE_MODE_T
AC_TYPE_OFF_T
AC_TYPE_SIZE_T
AC_TYPE_SET([AC_MSG_ERROR(Couldn't create configure script)])

AC_C_BIGENDIAN

dnl Checks for library functions.
AC_FUNC_MMAP
AC_CHECK_FUNCS(strerror strstr)


dnl Check configure options
AC_ARG_ENABLE(debug, 
    [  --enable-debug           Build with debugging information. (much slower) ], 
    [ CFLAGS="-g"
      CXXFLAGS="-g" ],
    [ if test "$GXX" = "yes"
      then
          CFLAGS="-O2"
          CXXFLAGS="-O2"
      else
          CFLAGS="-O"
          CXXFLAGS="-O"
      fi
    ])

AC_ARG_ENABLE(insure, 
    [  --enable-insure          Build with insure++. (much slower) ], 
    [ CXX="insure g++"
      CC="insure gcc"
      CFLAGS="-g"
      CXXFLAGS="-g" ])

AC_ARG_WITH(curses-inc,
    [  --with-curses-inc="PATH" Path for curses header files],
    [ CURSES_INCDIR="-I$withval"
      AC_SUBST(CURSES_INCDIR) ])

AC_ARG_WITH(curses-lib,
    [  --with-curses-lib="PATH" Path for curses libraries],
    LIBS="$LIBS -L$withval")


dnl Set ouput variables
PWD=`pwd`
PROGRAM="$PWD/freescope"
AC_SUBST(PROGRAM)

bindir="/usr/local/bin"
AC_SUBST(bindir)

EXTRA_LIBS="$EXTRA_LIBS -lform -lpanel"
AC_SUBST(EXTRA_LIBS)

LD=$CXX
AC_SUBST(LD)

LDFLAGS=
AC_SUBST(LDFLAGS)

AC_PATH_FILE(trace.h, TRACE_PATH, [exit 1])
AC_PATH_FILE(siglink.h, SIGLINK_PATH, [exit 1])
AC_PATH_FILE(defs.h.in, CMN_INCLUDES, [exit 1])

RMFLAGS=-f
AC_SUBST(RMFLAGS)

CLEAN=clean
AC_SUBST(CLEAN)

CD=cd
AC_SUBST(CD)

CP=cp
AC_SUBST(CP)

ARFLAGS=ruv
AC_SUBST(ARFLAGS)

LIBPATH=lib
AC_SUBST(LIBPATH)

MAKE_CMN_INCLUDE="$PWD/make.include"
AC_SUBST(MAKE_CMN_INCLUDE)

LFLAGS=
AC_SUBST(LFLAGS)
AC_SUBST(LEX)

AC_SUBST(YACC)

AC_OUTPUT(Makefile src/include/defs.h src/Makefile 
          src/include/arch.h make.include src/db/Makefile src/parsers/Makefile 
          src/ui/Makefile src/ui/cli/Makefile src/ui/curses/Makefile
          src/tools/Makefile src/config/Makefile doc/Makefile)