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

AC_PREREQ(2.59)
AC_INIT(MoleCuilder, 1.0.0, heber@ins.uni-bonn.de, molecuilder)
AC_CONFIG_AUX_DIR(config)
AC_CONFIG_SRCDIR([src/builder.cpp])
AC_CONFIG_HEADER([config.h libmolecuilder_config.h])
AC_CONFIG_MACRO_DIR([m4])

AM_INIT_AUTOMAKE([dist-bzip2 1.11 parallel-tests color-tests])

# Checks for programs.
AM_PATH_CPPUNIT(1.9.6)
AC_PROG_CXX
AC_PROG_CC
AC_PROG_INSTALL
AC_CHECK_PROG([LATEX],[latex],[latex],[:])
AC_CHECK_PROG([BIBTEX],[bibtex],[bibtex],[:])
AC_CHECK_PROG([DVIPS],[dvips],[dvips],[:])
AC_CHECK_PROG([PDFLATEX],[pdflatex],[pdflatex],[:])
AC_CHECK_PROG([XMLTO],[xmlto],[xmlto],[:])
AM_MISSING_PROG([DOXYGEN], [doxygen])

LT_INIT([disable-static])

# Define these substitions here to keep all version information in one place.
# For information on how to properly maintain the library version information,
# refer to the libtool manual, section "Updating library version information":
# http://www.gnu.org/software/libtool/manual/html_node/Updating-version-info.html
AC_SUBST([MOLECUILDER_SO_VERSION], [1:2:0])
AC_SUBST([MOLECUILDER_API_VERSION], [1.0])

# Checks for libraries.
AC_CHECK_LIB(m, sqrt, , AC_MSG_ERROR([compatible libc math library not found]))

# Boost libraries
AX_BOOST_BASE([1.40])
AX_BOOST_PROGRAM_OPTIONS
#AX_BOOST_FOREACH
#AX_BOOST_FILESYSTEM
AX_BOOST_THREAD
#AX_BOOST_SERIALIZATION

#QT4 libraries
gw_CHECK_QT4
AX_CHECK_GLU
AC_MSG_NOTICE(["GLU_CFLAGS: $GLU_CFLAGS, GLU_CXXFLAGS: $GLU_CXXFLAGS, GLU_LDFLAGS: $GLU_LDFLAGS, GLU_LIBS: $GLU_LIBS"])


# Checks for header files.
AC_HEADER_STDC
AC_CHECK_HEADERS([sys/time.h])
AC_HEADER_STDBOOL

AC_FUNC_MALLOC
AC_FUNC_REALLOC
AC_CHECK_FUNCS([floor pow sqrt strchr])

# Checks for typedefs, structures, and compiler characteristics.
AC_C_CONST
AC_C_INLINE
AC_C_RESTRICT
AC_TYPE_SIZE_T

# Checks for library functions.
# check for GNU Scientific Library
AC_CHECK_HEADERS([gsl/gsl_blas.h])
AC_SEARCH_LIBS(dnrm2, goto blas cblas gslblas gslcblas)
AC_CHECK_LIB(gsl, main, [], 
	[AC_SEARCH_LIBS(cblas_dnrm2, blas cblas gslblas gslcblas)])
AC_CHECK_LIB(gsl, gsl_blas_dnrm2, , [AC_MSG_ERROR(["No working BLAS found for GSL, stopping."])])

# add replacement/saturation hydrogen or not 
AC_ARG_ENABLE([hydrogen],AS_HELP_STRING([--enable-hydrogen],[Adding saturation hydrogen (default is yes)]),
              [enable_hydrogen=$enableval], [enable_hydrogen=yes])
if test x"$enable_hydrogen" = xyes; then
  AC_DEFINE(ADDHYDROGEN,1, ["Adding saturation hydrogen"])
  AC_SUBST(ADDHYDROGEN)
fi

# use CppUnit TestRunner or not
AC_ARG_ENABLE([ecut],AS_HELP_STRING([--enable-ecut],[Use ECut TestRunnerClient (default is no)]),
              [enable_ecut=$enableval], [enable_ecut=no])
if test x"$enable_ecut" = xyes; then
  AC_DEFINE(HAVE_ECUT,1, ["Use ECut TestRunnerClient instead of our own."])
  AC_SUBST(HAVE_ECUT)
fi

# with valgrinding testsuite or not
AC_ARG_WITH([valgrind],AS_HELP_STRING([--with-valgrind],[Use Valgrind on the testsuite (default is no)]),
              [with_valgrind=$withval], [with_valgrind=no])
if test x"$with_valgrind" = xyes; then
  AC_CHECK_HEADER([valgrind/valgrind.h],
    [
      # check header
      AC_DEFINE(HAVE_VALGRIND_TESTSUITE,1, ["Use Valgrind to check the testsuite."])
      # check path
      AC_PATH_PROG(VALGRIND, [valgrind], [/bin/false])
      # set variables 
      AC_SUBST(HAVE_VALGRIND_TESTSUITE)
      AC_SUBST(VALGRIND)
    ],
    [
      AC_MSG_ERROR(["Valgrind support requested but headers not available."])
    ]
  )
fi

# Check for "extern inline", using a modified version
# of the test for AC_C_INLINE from acspecific.mt
AC_CACHE_CHECK([for extern inline], ac_cv_c_extern_inline,
[ac_cv_c_extern_inline=no
AC_TRY_COMPILE([extern $ac_cv_c_inline double foo(double x);
extern $ac_cv_c_inline double foo(double x) { return x+1.0; };
double foo (double x) { return x + 1.0; };], 
[  foo(1.0)  ],
[ac_cv_c_extern_inline="yes"])
])

if test "$ac_cv_c_inline" != no ; then
  AC_DEFINE(HAVE_INLINE,1, ["May use inline routines"])
  AC_SUBST(HAVE_INLINE)
fi

#AC_MSG_NOTICE(["CFLAGS: $CFLAGS, CXXFLAGS: $CXXFLAGS, LDFLAGS: $LDFLAGS, CC: $CC, CXX:, $CXX, MPICC: $MPICC, MPILIBS: $MPILIBS, LIBS: $LIBS"])

# test suite
AC_CONFIG_TESTDIR(tests/regression)
AC_CONFIG_FILES([
	tests/Makefile
	tests/regression/atlocal 
	tests/regression/Makefile])
AC_CONFIG_FILES([tests/regression/molecuilder], [chmod +x tests/regression/molecuilder])
AC_CONFIG_FILES([
	tests/Tesselations/Makefile 
	tests/Tesselations/defs])
AC_CONFIG_FILES([
	doc/molecuilder.xml])
AC_CONFIG_FILES([
  molecuilder-${MOLECUILDER_API_VERSION}.pc:molecuilder.pc.in])
AC_CONFIG_FILES([
	Makefile 
	doc/Makefile 
	src/Makefile 
	src/Actions/Makefile
  src/Exceptions/Makefile
  src/Helpers/Makefile
  src/LinearAlgebra/Makefile
  src/Parser/Makefile
	src/UIElements/Makefile
	src/unittests/Makefile])
AC_OUTPUT