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-rw-r--r--gnulib-m4/stdbool.m4117
1 files changed, 0 insertions, 117 deletions
diff --git a/gnulib-m4/stdbool.m4 b/gnulib-m4/stdbool.m4
deleted file mode 100644
index 3e6c4005..00000000
--- a/gnulib-m4/stdbool.m4
+++ /dev/null
@@ -1,117 +0,0 @@
-# Check for stdbool.h that conforms to C99.
-
-dnl Copyright (C) 2002-2006, 2009-2022 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.
-
-#serial 9
-
-# Prepare for substituting <stdbool.h> if it is not supported.
-
-AC_DEFUN([gl_STDBOOL_H],
-[
- AC_REQUIRE([AC_CHECK_HEADER_STDBOOL])
- AC_REQUIRE([AC_CANONICAL_HOST])
-
- dnl On some platforms, <stdbool.h> does not exist or does not conform to C99.
- dnl On Solaris 10 with CC=cc CXX=CC, <stdbool.h> exists but is not usable
- dnl in C++ mode (and no <cstdbool> exists). In this case, we use our
- dnl replacement, also in C mode (for binary compatibility between C and C++).
- if test "$ac_cv_header_stdbool_h" = yes; then
- case "$host_os" in
- solaris*)
- if test -z "$GCC"; then
- GL_GENERATE_STDBOOL_H=true
- else
- GL_GENERATE_STDBOOL_H=false
- fi
- ;;
- *)
- GL_GENERATE_STDBOOL_H=false
- ;;
- esac
- else
- GL_GENERATE_STDBOOL_H=true
- fi
-
- if test "$ac_cv_type__Bool" = yes; then
- HAVE__BOOL=1
- else
- HAVE__BOOL=0
- fi
- AC_SUBST([HAVE__BOOL])
-])
-
-# This version of the macro is needed in autoconf <= 2.68.
-
-AC_DEFUN([AC_CHECK_HEADER_STDBOOL],
- [AC_CACHE_CHECK([for stdbool.h that conforms to C99],
- [ac_cv_header_stdbool_h],
- [AC_COMPILE_IFELSE(
- [AC_LANG_PROGRAM(
- [[
- #include <stdbool.h>
-
- #ifdef __cplusplus
- typedef bool Bool;
- #else
- typedef _Bool Bool;
- #ifndef bool
- "error: bool is not defined"
- #endif
- #ifndef false
- "error: false is not defined"
- #endif
- #if false
- "error: false is not 0"
- #endif
- #ifndef true
- "error: true is not defined"
- #endif
- #if true != 1
- "error: true is not 1"
- #endif
- #endif
-
- #ifndef __bool_true_false_are_defined
- "error: __bool_true_false_are_defined is not defined"
- #endif
-
- struct s { Bool s: 1; Bool t; bool u: 1; bool v; } s;
-
- char a[true == 1 ? 1 : -1];
- char b[false == 0 ? 1 : -1];
- char c[__bool_true_false_are_defined == 1 ? 1 : -1];
- char d[(bool) 0.5 == true ? 1 : -1];
- /* See body of main program for 'e'. */
- char f[(Bool) 0.0 == false ? 1 : -1];
- char g[true];
- char h[sizeof (Bool)];
- char i[sizeof s.t];
- enum { j = false, k = true, l = false * true, m = true * 256 };
- /* The following fails for
- HP aC++/ANSI C B3910B A.05.55 [Dec 04 2003]. */
- Bool n[m];
- char o[sizeof n == m * sizeof n[0] ? 1 : -1];
- char p[-1 - (Bool) 0 < 0 && -1 - (bool) 0 < 0 ? 1 : -1];
- /* Catch a bug in an HP-UX C compiler. See
- https://gcc.gnu.org/ml/gcc-patches/2003-12/msg02303.html
- https://lists.gnu.org/r/bug-coreutils/2005-11/msg00161.html
- */
- Bool q = true;
- Bool *pq = &q;
- bool *qq = &q;
- ]],
- [[
- bool e = &s;
- *pq |= q; *pq |= ! q;
- *qq |= q; *qq |= ! q;
- /* Refer to every declared value, to avoid compiler optimizations. */
- return (!a + !b + !c + !d + !e + !f + !g + !h + !i + !!j + !k + !!l
- + !m + !n + !o + !p + !q + !pq + !qq);
- ]])],
- [ac_cv_header_stdbool_h=yes],
- [ac_cv_header_stdbool_h=no])])
- AC_CHECK_TYPES([_Bool])
-])