| Revision 21474,
1.3 KB
checked in by ghudson, 20 years ago
(diff) |
|
This commit was generated by cvs2svn to compensate for changes in r21473,
which included commits to RCS files with non-trunk default branches.
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| 1 | dnl Autoconf extension macros for libIDL |
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| 2 | AC_DEFUN([AC_CPP_ACCEPT_IDL], |
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| 3 | [AC_CACHE_CHECK([if C preprocessor likes IDL], |
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| 4 | ac_cv_cpp_accept_idl, |
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| 5 | [AC_TRY_CPP([ |
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| 6 | #pragma prefix "foo.org" |
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| 7 | module FOO { |
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| 8 | typedef unsigned long long big; |
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| 9 | interface BAR { |
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| 10 | readonly attribute big number; |
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| 11 | }; |
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| 12 | }; |
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| 13 | ], |
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| 14 | ac_cv_cpp_accept_idl=yes, |
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| 15 | ac_cv_cpp_accept_idl=no)])]) |
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| 16 | |
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| 17 | AC_DEFUN([AC_CPP_PIPE_STDIN], |
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| 18 | [AC_CACHE_CHECK([if C preprocessor can read from stdin], |
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| 19 | ac_cv_cpp_pipe_stdin, |
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| 20 | [AC_REQUIRE_CPP |
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| 21 | if echo | $CPP - 2>/dev/null 1>&2 ; then |
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| 22 | ac_cv_cpp_pipe_stdin=yes |
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| 23 | else |
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| 24 | ac_cv_cpp_pipe_stdin=no |
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| 25 | fi]) |
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| 26 | if test $ac_cv_cpp_pipe_stdin = yes ; then |
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| 27 | AC_DEFINE(HAVE_CPP_PIPE_STDIN) |
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| 28 | fi]) |
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| 29 | |
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| 30 | AC_DEFUN([AC_UPDATE_IF_CHANGED], |
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| 31 | [if test -f "$2"; then |
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| 32 | if cmp -s "$1" "$2" 2>/dev/null; then |
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| 33 | echo "$1 is unchanged" |
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| 34 | else |
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| 35 | echo "$1 has changed" |
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| 36 | rm -f "$1" |
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| 37 | cp "$2" "$1" |
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| 38 | fi |
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| 39 | fi]) |
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| 40 | |
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| 41 | AC_DEFUN([AC_CPP_NOSTDINC], |
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| 42 | [AC_CACHE_CHECK([how to ignore standard include path], |
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| 43 | ac_cv_cpp_nostdinc, |
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| 44 | [saved_CPPFLAGS="$CPPFLAGS" |
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| 45 | CPPFLAGS="$CPPFLAGS -I-" |
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| 46 | AC_TRY_CPP(,ac_cv_cpp_nostdinc=-I-, |
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| 47 | [CPPFLAGS="$saved_CPPFLAGS -I" |
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| 48 | AC_TRY_CPP(,ac_cv_cpp_nostdinc=-I,)]) |
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| 49 | CPPFLAGS="$saved_CPPFLAGS"]) |
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| 50 | AC_DEFINE_UNQUOTED(CPP_NOSTDINC, "$ac_cv_cpp_nostdinc")]) |
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