Blame build/ax_boost_unit_test_framework.m4

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##### http://autoconf-archive.cryp.to/ax_boost_unit_test_framework.html
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#
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# SYNOPSIS
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#
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#   AX_BOOST_UNIT_TEST_FRAMEWORK
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#
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# DESCRIPTION
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#
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#   Test for Unit_Test_Framework library from the Boost C++ libraries.
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#   The macro requires a preceding call to AX_BOOST_BASE. Further
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#   documentation is available at
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#   <http://randspringer.de/boost/index.html>.
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#
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#   This macro calls:
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#
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#     AC_SUBST(BOOST_UNIT_TEST_FRAMEWORK_LIB)
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#
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#   And sets:
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#
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#     HAVE_BOOST_UNIT_TEST_FRAMEWORK
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#
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# LAST MODIFICATION
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#
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#   2006-12-28
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#
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# COPYLEFT
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#
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#   Copyright (c) 2006 Thomas Porschberg <thomas@randspringer.de>
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#
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#   Copying and distribution of this file, with or without
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#   modification, are permitted in any medium without royalty provided
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#   the copyright notice and this notice are preserved.
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AC_DEFUN([AX_BOOST_UNIT_TEST_FRAMEWORK],
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[
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	AC_ARG_WITH([boost-unit-test-framework],
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	AS_HELP_STRING([--with-boost-unit-test-framework@<:@=special-lib@:>@],
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                   [use the Unit_Test_Framework library from boost - it is possible to specify a certain library for the linker
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                        e.g. --with-boost-unit-test-framework=boost_unit_test_framework-gcc ]),
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        [
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        if test "$withval" = "no"; then
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			want_boost="no"
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        elif test "$withval" = "yes"; then
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            want_boost="yes"
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            ax_boost_user_unit_test_framework_lib=""
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        else
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		    want_boost="yes"
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        	ax_boost_user_unit_test_framework_lib="$withval"
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		fi
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        ],
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        [want_boost="yes"]
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	)
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	if test "x$want_boost" = "xyes"; then
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        AC_REQUIRE([AC_PROG_CC])
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		CPPFLAGS_SAVED="$CPPFLAGS"
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		CPPFLAGS="$CPPFLAGS $BOOST_CPPFLAGS"
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		export CPPFLAGS
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		LDFLAGS_SAVED="$LDFLAGS"
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		LDFLAGS="$LDFLAGS $BOOST_LDFLAGS"
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		export LDFLAGS
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        AC_CACHE_CHECK(whether the Boost::Unit_Test_Framework library is available,
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					   ax_cv_boost_unit_test_framework,
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        [AC_LANG_PUSH([C++])
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			 AC_COMPILE_IFELSE(AC_LANG_PROGRAM([[@%:@include <boost/test/unit_test.hpp>]],
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                                    [[using boost::unit_test::test_suite;
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					                 test_suite* test= BOOST_TEST_SUITE( "Unit test example 1" ); return 0;]]),
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                   ax_cv_boost_unit_test_framework=yes, ax_cv_boost_unit_test_framework=no)
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         AC_LANG_POP([C++])
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		])
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		if test "x$ax_cv_boost_unit_test_framework" = "xyes"; then
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			AC_DEFINE(HAVE_BOOST_UNIT_TEST_FRAMEWORK,,[define if the Boost::Unit_Test_Framework library is available])
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			BN=boost_unit_test_framework
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            if test "x$ax_boost_user_unit_test_framework_lib" = "x"; then
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         		saved_ldflags="${LDFLAGS}"
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		    	for ax_lib in  $BN $BN-mt $BN-mt-s $BN-s \
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                             $BN-$CC $BN-$CC-mt $BN-$CC-mt-s $BN-$CC-s \
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                             lib$BN lib$BN-$CC lib$BN-$CC-mt lib$BN-$CC-mt-s lib$BN-$CC-s \
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                             $BN-mgw $BN-mgw $BN-mgw-mt $BN-mgw-mt-s $BN-mgw-s ; do
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                   LDFLAGS="${LDFLAGS} -l$ax_lib"
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    			   AC_CACHE_CHECK(Boost::UnitTestFramework library linkage,
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	      			    		   ax_cv_boost_unit_test_framework_link,
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						  [AC_LANG_PUSH([C++])
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                   AC_LINK_IFELSE([AC_LANG_PROGRAM([[@%:@include <boost/test/unit_test.hpp>
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                                                     using boost::unit_test::test_suite;
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                                                     test_suite* init_unit_test_suite( int argc, char * argv[] ) {
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                                                     test_suite* test= BOOST_TEST_SUITE( "Unit test example 1" );
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                                                     return test;
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                                                     }
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                                                   ]],
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                                 [[ return 0;]])],
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                                 link_unit_test_framework="yes",link_unit_test_framework="no")
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			      AC_LANG_POP([C++])
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                  ])
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                  LDFLAGS="${saved_ldflags}"
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			      if test "x$link_unit_test_framework" = "xyes"; then
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                      BOOST_UNIT_TEST_FRAMEWORK_LIB="-l$ax_lib"
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                      AC_SUBST(BOOST_UNIT_TEST_FRAMEWORK_LIB)
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					  break
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				  fi
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                done
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            else
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         		saved_ldflags="${LDFLAGS}"
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               for ax_lib in $ax_boost_user_unit_test_framework_lib $BN-$ax_boost_user_unit_test_framework_lib; do
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                   LDFLAGS="${LDFLAGS} -l$ax_lib"
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              			   AC_CACHE_CHECK(Boost::UnitTestFramework library linkage,
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	      			    		   ax_cv_boost_unit_test_framework_link,
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						  [AC_LANG_PUSH([C++])
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                           AC_LINK_IFELSE([AC_LANG_PROGRAM([[@%:@include <boost/test/unit_test.hpp>
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                                                        using boost::unit_test::test_suite;
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                                                        test_suite* init_unit_test_suite( int argc, char * argv[] ) {
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                                                        test_suite* test= BOOST_TEST_SUITE( "Unit test example 1" );
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                                                        return test;
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                                                        }
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                                                   ]],
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                                 [[ return 0;]])],
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                                 link_unit_test_framework="yes",link_unit_test_framework="no")
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			      AC_LANG_POP([C++])
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                  ])
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                  LDFLAGS="${saved_ldflags}"
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			      if test "x$link_unit_test_framework" = "xyes"; then
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                      BOOST_UNIT_TEST_FRAMEWORK_LIB="-l$ax_lib"
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                      AC_SUBST(BOOST_UNIT_TEST_FRAMEWORK_LIB)
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					  break
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				  fi
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               done
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            fi
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			if test "x$link_unit_test_framework" = "xno"; then
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				AC_MSG_ERROR(Could not link against $ax_lib !)
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			fi
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		fi
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		CPPFLAGS="$CPPFLAGS_SAVED"
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    	LDFLAGS="$LDFLAGS_SAVED"
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	fi
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])