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  • Committer: Bazaar Package Importer
  • Author(s): Luigi Gangitano
  • Date: 2010-05-04 11:15:49 UTC
  • mfrom: (1.3.1 upstream)
  • mto: (20.3.1 squeeze) (21.2.1 sid)
  • mto: This revision was merged to the branch mainline in revision 21.
  • Revision ID: james.westby@ubuntu.com-20100504111549-1apjh2g5sndki4te
Tags: upstream-3.1.3
Import upstream version 3.1.3

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acinclude.m4
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dnl
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dnl Test whether -fhuge-objects is available with this c++ compiler. gcc-29.5 series compilers need this on some platform with large objects.
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dnl
 
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HUGE_OBJECT_FLAG=""
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AC_DEFUN([AC_TEST_CHECKFORHUGEOBJECTS],[
 
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 if test "$GCC" = "yes"; then
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  AC_MSG_CHECKING([whether compiler accepts -fhuge-objects])
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  AC_CACHE_VAL([ac_cv_test_checkforhugeobjects],[
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    ac_cv_test_checkforhugeobjects=`echo "int foo;" > conftest.cc
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${CXX} -Werror -fhuge-objects -c conftest.cc 2>/dev/null
 
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    ac_cv_test_checkforhugeobjects=`echo "int main(int argc, char **argv) { int foo; }" > conftest.cc
 
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${CXX} -Werror -fhuge-objects -o conftest.bin conftest.cc 2>/dev/null
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res=$?
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rm -f conftest.*
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echo yes
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  if test "X${ac_cv_test_checkforhugeobjects}" != Xno
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  then
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    HUGE_OBJECT_FLAG="-fhuge-objects"
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  else
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    HUGE_OBJECT_FLAG=""
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  fi
 
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 fi #gcc
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]) # end of AC_DEFUN of AC_TEST_CHECKFORHUGEOBJECTS
 
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dnl ===========================================================================
 
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dnl              http://autoconf-archive.cryp.to/ax_with_prog.html
 
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dnl ===========================================================================
 
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dnl
 
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dnl SYNOPSIS
 
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dnl
 
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dnl   AX_WITH_PROG([VARIABLE],[program],[VALUE-IF-NOT-FOUND],[PATH])
 
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dnl
 
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dnl DESCRIPTION
 
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dnl
 
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dnl   Locates an installed program binary, placing the result in the precious
 
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dnl   variable VARIABLE. Accepts a present VARIABLE, then --with-program, and
 
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dnl   failing that searches for program in the given path (which defaults to
 
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dnl   the system path). If program is found, VARIABLE is set to the full path
 
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dnl   of the binary; if it is not found VARIABLE is set to VALUE-IF-NOT-FOUND
 
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dnl   if provided, unchanged otherwise.
 
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dnl
 
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dnl   A typical example could be the following one:
 
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dnl
 
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dnl         AX_WITH_PROG(PERL,perl)
 
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dnl
 
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dnl   NOTE: This macro is based upon the original AX_WITH_PYTHON macro from
 
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dnl   Dustin J. Mitchell <dustin@cs.uchicago.edu>.
 
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dnl
 
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dnl LAST MODIFICATION
 
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dnl
 
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dnl   2008-05-05
 
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dnl
 
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dnl COPYLEFT
 
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dnl
 
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dnl   Copyright (c) 2008 Francesco Salvestrini <salvestrini@users.sourceforge.net>
 
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dnl   Copyright (c) 2008 Dustin J. Mitchell <dustin@cs.uchicago.edu>
 
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dnl
 
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dnl   Copying and distribution of this file, with or without modification, are
 
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dnl   permitted in any medium without royalty provided the copyright notice
 
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dnl   and this notice are preserved.
 
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dnl
 
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AC_DEFUN([AX_WITH_PROG],[
 
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    AC_PREREQ([2.61])
 
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    pushdef([VARIABLE],$1)
 
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    pushdef([EXECUTABLE],$2)
 
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    pushdef([VALUE_IF_NOT_FOUND],$3)
 
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    pushdef([PATH_PROG],$4)
 
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    AC_ARG_VAR(VARIABLE,Absolute path to EXECUTABLE executable)
 
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    AS_IF(test -z "$VARIABLE",[
 
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        AC_MSG_CHECKING(whether EXECUTABLE executable path has been provided)
 
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        AC_ARG_WITH(EXECUTABLE,AS_HELP_STRING([--with-EXECUTABLE=[[[[PATH]]]]],absolute path to EXECUTABLE executable), [
 
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            AS_IF([test "$withval" != "yes"],[
 
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                VARIABLE="$withval"
 
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                AC_MSG_RESULT($VARIABLE)
 
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            ],[
 
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                VARIABLE=""
 
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                AC_MSG_RESULT([no])
 
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            ])
 
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        ],[
 
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            AC_MSG_RESULT([no])
 
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        ])
 
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        AS_IF(test -z "$VARIABLE",[
 
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            AC_PATH_PROG([]VARIABLE[],[]EXECUTABLE[],[]VALUE_IF_NOT_FOUND[],[]PATH_PROG[])
 
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        ])
 
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    ])
 
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    popdef([PATH_PROG])
 
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    popdef([VALUE_IF_NOT_FOUND])
 
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    popdef([EXECUTABLE])
 
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    popdef([VARIABLE])
 
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])