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| author | Daniel Jacobowitz <drow@false.org> | 2008-04-14 18:05:12 +0000 |
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| committer | Daniel Jacobowitz <drow@false.org> | 2008-04-14 18:05:12 +0000 |
| commit | f6ea56282c4ba48a26241a65381d56e2b1087327 (patch) | |
| tree | 8966846a23023a203072b602356f999591846d8b /gdb/gnulib/m4/gnulib-common.m4 | |
| parent | e28b33320cde1a69a28c602eadd8d3e5932adece (diff) | |
| download | gdb-f6ea56282c4ba48a26241a65381d56e2b1087327.zip gdb-f6ea56282c4ba48a26241a65381d56e2b1087327.tar.gz gdb-f6ea56282c4ba48a26241a65381d56e2b1087327.tar.bz2 | |
Add missed files from last commit.
Diffstat (limited to 'gdb/gnulib/m4/gnulib-common.m4')
| -rw-r--r-- | gdb/gnulib/m4/gnulib-common.m4 | 65 |
1 files changed, 65 insertions, 0 deletions
diff --git a/gdb/gnulib/m4/gnulib-common.m4 b/gdb/gnulib/m4/gnulib-common.m4 new file mode 100644 index 0000000..9336d72 --- /dev/null +++ b/gdb/gnulib/m4/gnulib-common.m4 @@ -0,0 +1,65 @@ +# gnulib-common.m4 serial 3 +dnl Copyright (C) 2007 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_MODULE_INDICATOR([modulename]) +# defines a C macro indicating the presence of the given module. +AC_DEFUN([gl_MODULE_INDICATOR], +[ + AC_DEFINE([GNULIB_]translit([$1],[abcdefghijklmnopqrstuvwxyz./-],[ABCDEFGHIJKLMNOPQRSTUVWXYZ___]), [1], + [Define to 1 when using the gnulib module ]$1[.]) +]) + +# AC_PROG_MKDIR_P +# is a backport of autoconf-2.60's AC_PROG_MKDIR_P. +# Remove this macro when we can assume autoconf >= 2.60. +m4_ifdef([AC_PROG_MKDIR_P], [], [ + AC_DEFUN([AC_PROG_MKDIR_P], + [AC_REQUIRE([AM_PROG_MKDIR_P])dnl defined by automake + MKDIR_P='$(mkdir_p)' + AC_SUBST([MKDIR_P])])]) + +# AC_C_RESTRICT +# This definition overrides the AC_C_RESTRICT macro from autoconf 2.60..2.61, +# so that mixed use of GNU C and GNU C++ and mixed use of Sun C and Sun C++ +# works. +# This definition can be removed once autoconf >= 2.62 can be assumed. +AC_DEFUN([AC_C_RESTRICT], +[AC_CACHE_CHECK([for C/C++ restrict keyword], ac_cv_c_restrict, + [ac_cv_c_restrict=no + # The order here caters to the fact that C++ does not require restrict. + for ac_kw in __restrict __restrict__ _Restrict restrict; do + AC_COMPILE_IFELSE([AC_LANG_PROGRAM( + [[typedef int * int_ptr; + int foo (int_ptr $ac_kw ip) { + return ip[0]; + }]], + [[int s[1]; + int * $ac_kw t = s; + t[0] = 0; + return foo(t)]])], + [ac_cv_c_restrict=$ac_kw]) + test "$ac_cv_c_restrict" != no && break + done + ]) + AH_VERBATIM([restrict], +[/* Define to the equivalent of the C99 'restrict' keyword, or to + nothing if this is not supported. Do not define if restrict is + supported directly. */ +#undef restrict +/* Work around a bug in Sun C++: it does not support _Restrict, even + though the corresponding Sun C compiler does, which causes + "#define restrict _Restrict" in the previous line. Perhaps some future + version of Sun C++ will work with _Restrict; if so, it'll probably + define __RESTRICT, just as Sun C does. */ +#if defined __SUNPRO_CC && !defined __RESTRICT +# define _Restrict +#endif]) + case $ac_cv_c_restrict in + restrict) ;; + no) AC_DEFINE([restrict], []) ;; + *) AC_DEFINE_UNQUOTED([restrict], [$ac_cv_c_restrict]) ;; + esac +]) |