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author | Pedro Alves <palves@redhat.com> | 2010-05-23 00:57:01 +0000 |
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committer | Pedro Alves <palves@redhat.com> | 2010-05-23 00:57:01 +0000 |
commit | f434ba0309555deb86dc8b6da65ea67d588bda30 (patch) | |
tree | e6037837cb9d1eb5424a46c4ce6f9d1d91525eb1 /gdb/gnulib/m4/warn-on-use.m4 | |
parent | 528b55c0a00cc561956d2dbf2b035bb751331cc1 (diff) | |
download | gdb-f434ba0309555deb86dc8b6da65ea67d588bda30.zip gdb-f434ba0309555deb86dc8b6da65ea67d588bda30.tar.gz gdb-f434ba0309555deb86dc8b6da65ea67d588bda30.tar.bz2 |
gdb/
2010-05-23 Pedro Alves <pedro@codesourcery.com>
Update gnulib from latest git.
(250b80067c1e1d8faa0c42fb572f721975b929c5)
* gnulib/memcmp.c: Removed.
* gnulib/memchr.valgrind: New.
* gnulib/stddef.in.h: New.
* gnulib/Makefile.am: Updated.
* gnulib/memchr.c: Updated.
* gnulib/memmem.c: Updated.
* gnulib/stdint.in.h: Updated.
* gnulib/str-two-way.h: Updated.
* gnulib/string.in.h: Updated.
* gnulib/wchar.in.h: Updated.
* gnulib/extra/link-warning.h: Removed.
* gnulib/extra/c++defs.h: New.
* gnulib/extra/warn-on-use.h: New.
* gnulib/extra/arg-nonnull.h: Updated.
* gnulib/m4/extensions.m4: Updated.
* gnulib/m4/gnulib-cache.m4: Updated.
* gnulib/m4/gnulib-common.m4: Updated.
* gnulib/m4/gnulib-comp.m4: Updated.
* gnulib/m4/gnulib-tool.m4: Updated.
* gnulib/m4/include_next.m4: Updated.
* gnulib/m4/longlong.m4: Updated.
* gnulib/m4/memchr.m4: Updated.
* gnulib/m4/memmem.m4: Updated.
* gnulib/m4/stdint.m4: Updated.
* gnulib/m4/string_h.m4: Updated.
* gnulib/m4/memcmp.m4: Removed.
* gnulib/m4/onceonly_2_57.m4: Removed.
* gnulib/m4/00gnulib.m4: New.
* gnulib/m4/mmap-anon.m4: New.
* gnulib/m4/multiarch.m4: New.
* gnulib/m4/onceonly.m4: New.
* gnulib/m4/stddef_h.m4: New.
* gnulib/m4/warn-on-use.m4: New.
* gnulib/m4/wchar.m4: Removed.
* gnulib/m4/wchar_h.m4: New.
* gnulib/m4/wchar_t.m4: New.
* gnulib/m4/wint_t.m4: New.
* aclocal.m4: Regenerate.
* config.in: Likewise.
* configure: Likewise.
* gnulib/Makefile.in: Likewise.
gdb/gdbserver/
2010-05-23 Pedro Alves <pedro@codesourcery.com>
* config.h, configure: Regenerate.
Diffstat (limited to 'gdb/gnulib/m4/warn-on-use.m4')
-rw-r--r-- | gdb/gnulib/m4/warn-on-use.m4 | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/gdb/gnulib/m4/warn-on-use.m4 b/gdb/gnulib/m4/warn-on-use.m4 new file mode 100644 index 0000000..42daae8 --- /dev/null +++ b/gdb/gnulib/m4/warn-on-use.m4 @@ -0,0 +1,45 @@ +# warn-on-use.m4 serial 2 +dnl Copyright (C) 2010 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +# gl_WARN_ON_USE_PREPARE(INCLUDES, NAMES) +# --------------------------------------- +# For each whitespace-separated element in the list of NAMES, define +# HAVE_RAW_DECL_name if the function has a declaration among INCLUDES +# even after being undefined as a macro. +# +# See warn-on-use.h for some hints on how to poison function names, as +# well as ideas on poisoning global variables and macros. NAMES may +# include global variables, but remember that only functions work with +# _GL_WARN_ON_USE. Typically, INCLUDES only needs to list a single +# header, but if the replacement header pulls in other headers because +# some systems declare functions in the wrong header, then INCLUDES +# should do likewise. +# +# If you assume C89, then it is generally safe to assume declarations +# for functions declared in that standard (such as gets) without +# needing gl_WARN_ON_USE_PREPARE. +AC_DEFUN([gl_WARN_ON_USE_PREPARE], +[ + m4_foreach_w([gl_decl], [$2], + [AH_TEMPLATE([HAVE_RAW_DECL_]AS_TR_CPP(m4_defn([gl_decl])), + [Define to 1 if ]m4_defn([gl_decl])[ is declared even after + undefining macros.])])dnl + for gl_func in m4_flatten([$2]); do + AS_VAR_PUSHDEF([gl_Symbol], [gl_cv_have_raw_decl_$gl_func])dnl + AC_CACHE_CHECK([whether $gl_func is declared without a macro], + gl_Symbol, + [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([$1], +[@%:@undef $gl_func + (void) $gl_func;])], + [AS_VAR_SET(gl_Symbol, [yes])], [AS_VAR_SET(gl_Symbol, [no])])]) + AS_VAR_IF(gl_Symbol, [yes], + [AC_DEFINE_UNQUOTED(AS_TR_CPP([HAVE_RAW_DECL_$gl_func]), [1]) + dnl shortcut - if the raw declaration exists, then set a cache + dnl variable to allow skipping any later AC_CHECK_DECL efforts + eval ac_cv_have_decl_$gl_func=yes]) + AS_VAR_POPDEF([gl_Symbol])dnl + done +]) |