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Diffstat (limited to 'gnulib-m4/unitypes_h.m4')
| -rw-r--r-- | gnulib-m4/unitypes_h.m4 | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/gnulib-m4/unitypes_h.m4 b/gnulib-m4/unitypes_h.m4 new file mode 100644 index 00000000..264e61be --- /dev/null +++ b/gnulib-m4/unitypes_h.m4 @@ -0,0 +1,26 @@ +# unitypes_h.m4 +# serial 1 +dnl Copyright (C) 2021-2025 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. +dnl This file is offered as-is, without any warranty. + +AC_DEFUN_ONCE([gl_UNITYPES_H], +[ + AH_VERBATIM([unitypes_restrict], [ +/* This definition is a duplicate of the one in unitypes.h. + It is here so that we can cope with an older version of unitypes.h + that does not contain this definition and that is pre-installed among + the public header files. */ +# if defined __restrict \ + || 2 < __GNUC__ + (95 <= __GNUC_MINOR__) \ + || __clang_major__ >= 3 +# define _UC_RESTRICT __restrict +# elif 199901L <= __STDC_VERSION__ || defined restrict +# define _UC_RESTRICT restrict +# else +# define _UC_RESTRICT +# endif +]) +]) |