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Viewing changes to acinclude.m4

  • Committer: Bazaar Package Importer
  • Author(s): Jonas Meurer
  • Date: 2004-09-26 16:27:51 UTC
  • Revision ID: james.westby@ubuntu.com-20040926162751-z1ohcjltv7ojtg6z
Tags: upstream-1.2
Import upstream version 1.2

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acinclude.m4
 
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# AC_SEARCH_HEADER_DIRS(HEADER-FILE, SEARCH-DIRS,
 
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#                        [ACTION-IF-FOUND], [ACTION-IF-NOT-FOUND],
 
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#                        [INCLUDES])
 
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AC_DEFUN([AC_SEARCH_HEADER_DIRS],
 
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[AS_VAR_PUSHDEF([ac_Header], [ac_cv_header_$1])dnl
 
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AC_CACHE_CHECK([for $1], ac_Header,
 
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[ac_header_search_save_CPPFLAGS=$CPPFLAGS
 
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AS_VAR_SET(ac_Header, no)
 
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AC_COMPILE_IFELSE([AC_LANG_SOURCE([AC_INCLUDES_DEFAULT([$5])
 
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@%:@include <$1>])],
 
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                  [AS_VAR_SET(ac_Header, standard)])
 
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if test AS_VAR_GET(ac_Header) = no; then
 
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  for ac_inc in $2; do
 
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    CPPFLAGS="-I$ac_inc $ac_header_search_save_CPPFLAGS"
 
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    AC_COMPILE_IFELSE([AC_LANG_SOURCE([AC_INCLUDES_DEFAULT([$5])
 
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@%:@include <$1>])],
 
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                      [AS_VAR_SET(ac_Header, -I$ac_inc)
 
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break])
 
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  done
 
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fi
 
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CPPFLAGS=$ac_header_search_save_CPPFLAGS])
 
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AS_IF([test AS_VAR_GET(ac_Header) != no],
 
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  [test AS_VAR_GET(ac_Header) = standard || CPPFLAGS="AS_VAR_GET(ac_Header) $CPPFLAGS"
 
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  $3],
 
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      [$4])dnl
 
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AS_VAR_POPDEF([ac_Header])dnl
 
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])
 
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# AC_SEARCH_EXPRESSION_LIBS(EXPR, SEARCH-LIBS, [INCLUDES]
 
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#                          [ACTION-IF-FOUND], [ACTION-IF-NOT-FOUND],
 
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#                          [OTHER-LIBRARIES])
 
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AC_DEFUN([AC_SEARCH_EXPRESSION_LIBS],
 
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[AS_VAR_PUSHDEF([ac_Expression], [ac_cv_expression_$1])dnl
 
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AC_CACHE_CHECK([how $1 links], ac_Expression,
 
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[ac_expression_search_save_LIBS=$LIBS
 
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AS_VAR_SET(ac_Expression, no)
 
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AC_LINK_IFELSE([AC_LANG_PROGRAM([$3],[$1])],
 
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               [AS_VAR_SET(ac_Expression, "standard")])
 
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if test "AS_VAR_GET(ac_Expression)" = "no"; then
 
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  for ac_lib in $2; do
 
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    LIBS="-l$ac_lib $6 $ac_expression_search_save_LIBS"
 
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    AC_LINK_IFELSE([AC_LANG_PROGRAM([$3], [$1])],
 
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                   [AS_VAR_SET(ac_Expression, -l$ac_lib)
 
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break])
 
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  done
 
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fi
 
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LIBS=$ac_expression_search_save_LIBS])
 
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AS_IF([test "AS_VAR_GET(ac_Expression)" != "no"],
 
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  [test "AS_VAR_GET(ac_Expression)" = "standard" || LIBS="AS_VAR_GET(ac_Expression) $LIBS"
 
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  $4],
 
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      [$5])dnl
 
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AS_VAR_POPDEF([ac_Expression])dnl
 
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])
 
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# AC_SEARCH_CLASS_LIBS(CLASS, SEARCH-LIBS, [INCLUDES]
 
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#                       [ACTION-IF-FOUND], [ACTION-IF-NOT-FOUND],
 
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#                       [OTHER-LIBRARIES])
 
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AC_DEFUN([AC_SEARCH_CLASS_LIBS],
 
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[AC_CACHE_CHECK([for library containing class $1], [ac_cv_class_$1],
 
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[ac_class_search_save_LIBS=$LIBS
 
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ac_cv_class_$1=no
 
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AC_LINK_IFELSE([AC_LANG_PROGRAM([$3],[$1 foobar])],
 
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               [ac_cv_class_$1="none required"])
 
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if test "$ac_cv_class_$1" = no; then
 
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  for ac_lib in $2; do
 
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    LIBS="-l$ac_lib $6 $ac_class_search_save_LIBS"
 
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    AC_LINK_IFELSE([AC_LANG_PROGRAM([$3], [$1 foobar])],
 
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                   [ac_cv_class_$1="-l$ac_lib" 
 
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break])
 
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  done
 
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fi
 
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LIBS=$ac_class_search_save_LIBS])
 
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AS_IF([test "$ac_cv_class_$1" != no],
 
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  [test "$ac_cv_class_$1" = "none required" || LIBS="$ac_cv_class_$1 $LIBS"
 
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  $4],
 
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      [$5])dnl
 
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])
 
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AC_DEFUN([AC_DEFINE_DIR],
 
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 [prefix_backup="$prefix"
 
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  exec_prefix_backup="$exec_prefix"
 
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  ac_define_dir_result="$2"
 
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  if test "x${prefix}" = "xNONE"; then prefix="${ac_default_prefix}"; fi
 
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  if test "x${exec_prefix}" = "xNONE"; then exec_prefix="${prefix}"; fi
 
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  while echo "$ac_define_dir_result" | grep '\$' >/dev/null; do
 
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    ac_define_dir_result=`eval echo $ac_define_dir_result`
 
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  done
 
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  prefix="${prefix_backup}"
 
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  exec_prefix="${exec_prefix}"
 
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  $1="$ac_define_dir_result"
 
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  AC_SUBST($1)
 
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 ])