dnl Process this file with autoconf to produce a configure script.

dnl Version information.

m4_define([lemon_version_number],

	[m4_normalize(esyscmd([echo ${LEMON_VERSION}]))])

dnl m4_define([lemon_version_number], [])

m4_define([lemon_hg_path], [m4_normalize(esyscmd([./scripts/chg-len.py]))])

m4_define([lemon_hg_revision], [m4_normalize(esyscmd([hg id -i]))])

m4_define([lemon_version], [ifelse(lemon_version_number(),

			   [],

			   [lemon_hg_path().lemon_hg_revision()],

			   [lemon_version_number()])])

AC_PREREQ([2.59])

AC_INIT([LEMON], [lemon_version()], [lemon-user@lemon.cs.elte.hu], [lemon])

AC_CONFIG_AUX_DIR([build-aux])

AC_CONFIG_MACRO_DIR([m4])

AM_INIT_AUTOMAKE([-Wall -Werror foreign subdir-objects nostdinc])

AC_CONFIG_SRCDIR([lemon/list_graph.h])

AC_CONFIG_HEADERS([config.h lemon/config.h])

lx_cmdline_cxxflags_set=${CXXFLAGS+set}

dnl Do compilation tests using the C++ compiler.

AC_LANG([C++])

dnl Check the existence of long long type.

AC_CHECK_TYPE(long long, [long_long_found=yes], [long_long_found=no])

if test x"$long_long_found" = x"yes"; then

  AC_DEFINE([LEMON_HAVE_LONG_LONG], [1], [Define to 1 if you have long long.])

fi

dnl Checks for programs.

AC_PROG_CXX

AC_PROG_CXXCPP

AC_PROG_INSTALL

AC_DISABLE_SHARED

AC_PROG_LIBTOOL

AC_CHECK_PROG([doxygen_found],[doxygen],[yes],[no])

AC_CHECK_PROG([gs_found],[gs],[yes],[no])

dnl Detect Intel compiler.

AC_MSG_CHECKING([whether we are using the Intel C++ compiler])

AC_COMPILE_IFELSE([#ifndef __INTEL_COMPILER

choke me

#endif], [ICC=[yes]], [ICC=[no]])

if test x"$ICC" = x"yes"; then

  AC_MSG_RESULT([yes])

else

  AC_MSG_RESULT([no])

fi

dnl Set custom compiler flags when using g++.

if test x"$lx_cmdline_cxxflags_set" != x"set" -a "$GXX" = yes -a "$ICC" = no; then

  CXXFLAGS="$CXXFLAGS -Wall -W -Wall -W -Wunused -Wformat=2 -Wctor-dtor-privacy -Wnon-virtual-dtor -Wno-char-subscripts -Wwrite-strings -Wno-char-subscripts -Wreturn-type -Wcast-qual -Wcast-align -Wsign-promo -Woverloaded-virtual -Woverloaded-virtual -ansi -fno-strict-aliasing -Wold-style-cast -Wno-unknown-pragmas"

fi

dnl Checks for libraries.

#LX_CHECK_GLPK

#LX_CHECK_CPLEX

#LX_CHECK_SOPLEX

dnl Disable/enable building the demo programs.

AC_ARG_ENABLE([demo],

AS_HELP_STRING([--enable-demo], [build the demo programs])

AS_HELP_STRING([--disable-demo], [do not build the demo programs @<:@default@:>@]),

              [], [enable_demo=no])

AC_MSG_CHECKING([whether to build the demo programs])

if test x"$enable_demo" != x"no"; then

  AC_MSG_RESULT([yes])

else

  AC_MSG_RESULT([no])

fi

AM_CONDITIONAL([WANT_DEMO], [test x"$enable_demo" != x"no"])

dnl Disable/enable building the binary tools.

AC_ARG_ENABLE([tools],

AS_HELP_STRING([--enable-tools], [build additional tools @<:@default@:>@])

AS_HELP_STRING([--disable-tools], [do not build additional tools]),

              [], [enable_tools=yes])

AC_MSG_CHECKING([whether to build the additional tools])

if test x"$enable_tools" != x"no"; then

  AC_MSG_RESULT([yes])

else

  AC_MSG_RESULT([no])

fi

AM_CONDITIONAL([WANT_TOOLS], [test x"$enable_tools" != x"no"])

dnl Checks for header files.

AC_CHECK_HEADERS(limits.h sys/time.h sys/times.h unistd.h)

dnl Checks for typedefs, structures, and compiler characteristics.

AC_C_CONST

AC_C_INLINE

AC_TYPE_SIZE_T

AC_HEADER_TIME

AC_STRUCT_TM

dnl Checks for library functions.

AC_HEADER_STDC

AC_CHECK_FUNCS(gettimeofday times ctime_r)

dnl Add dependencies on files generated by configure.

AC_SUBST([CONFIG_STATUS_DEPENDENCIES],

  ['$(top_srcdir)/doc/Doxyfile.in $(top_srcdir)/lemon/lemon.pc.in $(top_srcdir)/cmake/version.cmake.in'])

AC_CONFIG_FILES([

Makefile

cmake/version.cmake

doc/Doxyfile

lemon/lemon.pc

])

AC_OUTPUT

echo

echo '****************************** SUMMARY ******************************'

echo

echo Package version............... : $PACKAGE-$VERSION

echo

echo C++ compiler.................. : $CXX

echo C++ compiles flags............ : $CXXFLAGS

echo

echo Compiler supports long long... : $long_long_found

echo

#echo GLPK support.................. : $lx_glpk_found

#echo CPLEX support................. : $lx_cplex_found

#echo SOPLEX support................ : $lx_soplex_found

#echo

echo Build demo programs........... : $enable_demo

echo Build additional tools........ : $enable_tools

echo

echo The packace will be installed in

echo -n '  '

echo $prefix.

echo

echo '*********************************************************************'

echo

echo Configure complete, now type \'make\' and then \'make install\'.

echo