dnl Process this file with autoconf to produce a configure script.
dnl Copyright (c) 2001 IPD, Universität Karlsruhe (TH)

dnl libFIRM Project
dnl $Id$

AC_REVISION($Id$)


AC_INIT(ir/ir/ircons.c)

dnl if other files should be generated just add them to ac_output_files
ac_output_file="Makefile MakeRules ir/.dummy ir/adt/Makefile ir/debug/Makefile \
		ir/tv/Makefile ir/common/Makefile ir/ident/Makefile ir/ir/Makefile \
		ir/tr/Makefile testprograms/Makefile"

dnl generate the config header file
AC_CONFIG_HEADER(config.h)

dnl keep track of the environment set by the user
libfirm_conf_env="${CC+CC='$CC'} ${CFLAGS+CFLAGS='$CFLAGS'} ${CPP+CPP='$CPP'} ${CPPFLAGS+CPPFLAGS='$CPPFLAGS'} ${LDFLAGS+LDFLAGS='$LDFLAGS'} ${LIBS+LIBS='$LIBS'}"
AC_SUBST(libfirm_conf_env)


dnl Package options
dnl ===============

dnl set debugging
dnl -------------
AC_ARG_ENABLE(debug,
[  --enable-debug          enable assertions and additional debugging routines],
[if test "$enableval" = yes; then
  AC_DEFINE(DEBUG_libfirm)
else
  AC_DEFINE(NDEBUG)
fi])
AC_SUBST(enable_debug_libfirm)


dnl set profiling
dnl -------------
AC_ARG_ENABLE(profile,
[  --enable-profile        enable profiling],
[if test "$enableval"=yes; then
  enable_profile_libfirm=yes
fi],
[enable_profile_libfirm=no])
AC_SUBST(enable_profile_libfirm)

dnl set auto documentation
dnl ----------------------
AC_ARG_ENABLE(autodoc,
[  --enable-autodoc        enable auto documentation],
[if test "$enableval"=yes; then
  enable_auto_documentation=yes
fi],
[enable_auto_documentation=no])
AC_SUBST(enable_auto_documentation)


dnl Checks for programs.
dnl ====================

dnl check for a C compiler
dnl ----------------------
AC_PROG_CC

dnl check for prelinkable linker
dnl ----------------------------
LIBFIRM_PROG_LD_R
if test "$libfirm_cv_prog_ld_r" != "yes"; then
  AC_MSG_ERROR(need a prelinkcapable linker)
fi

dnl check for ar
dnl ------------
AC_CHECK_PROG(AR, ar, "ar", "")
if test "$AR" != "ar"; then
  AC_MSG_ERROR(need ar for creating archives)
fi

dnl check wether ar can handle option -s
dnl if not then ranlib is needed
dnl for simpliticity we use ranlib every time

AC_PROG_RANLIB

AC_PROG_INSTALL

dnl check for robodoc if enabled
dnl ----------------------------
if test "$enable_auto_documentation" = yes; then
  AC_CHECK_PROG(ROBODOC, robodoc, "robodoc", "")
  if test "$ROBODOC" != "robodoc"; then
    AC_MSG_ERROR(need robodoc for auto documentation (IPD: module add robodoc))
  fi
fi

dnl Checks for header files.
dnl ========================

AC_HEADER_STDC

dnl check for the math header file

AC_CHECK_HEADERS(math.h, ac_math_headers="yes", ac_math_headers="no")
if test "$ac_math_headers" != yes; then
  dnl math header not found.
  AC_MSG_ERROR("math header file not found")
fi


dnl check for the gnu multiprecission (gmp) header file

AC_CHECK_HEADERS(gmp.h, ac_gmp_headers="yes", ac_gmp_headers="no")
if test "$ac_gmp_headers" != yes; then
  dnl gmp header not found.
  AC_MSG_ERROR("GNU multiprecission gmp header file not found")
fi


dnl check for the obstack header file

AC_CHECK_HEADERS(obstack.h, ac_obstack_headers="yes", ac_obstack_headers="no")
if test "$ac_obstack_headers" != yes; then
  dnl obstack header not found.
  AC_MSG_ERROR("obstack header file not found")
fi


dnl Checks for libraries.
dnl =====================

dnl check for the gnu multiprecission (gmp) library

AC_CHECK_LIB(gmp, main, ac_gmp_library="yes", ac_gmp_library="no")
if test "$ac_gmp_library" != yes; then
  dnl gmp library not found.
  AC_MSG_ERROR("GNU multiprecission gmp library not found")
fi


AC_CHECK_LIB(m, main, ac_m_library="yes", ac_m_library="no")
if test "$ac_m_library" != yes; then
  dnl std math library not found.
  AC_MSG_ERROR("standard math library not found")
fi


dnl Checks for typedefs, structures, and compiler characteristics.
dnl ==============================================================


dnl Checks for library functions.
dnl =============================

dnl check for strerror

AC_CHECK_FUNC(strerror,,
  AC_MSG_ERROR("need strerror function")
)


dnl Error messaging
dnl ===============


AC_OUTPUT($ac_output_file,[ touch stamp-h ])