Adding upstream version 1.21.4.upstream/1.21.4

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 256 insertions, 0 deletions

diff --git a/m4/stdlib_h.m4 b/m4/stdlib_h.m4
new file mode 100644
index 0000000..f47c1eb
--- /dev/null
+++ b/m4/stdlib_h.m4
@@ -0,0 +1,256 @@
+# stdlib_h.m4 serial 75
+dnl Copyright (C) 2007-2023 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.
+
+AC_DEFUN_ONCE([gl_STDLIB_H],
+[
+  AC_REQUIRE([gl_STDLIB_H_DEFAULTS])
+  gl_NEXT_HEADERS([stdlib.h])
+
+  dnl Check for declarations of anything we want to poison if the
+  dnl corresponding gnulib module is not in use, and which is not
+  dnl guaranteed by C89.
+  gl_WARN_ON_USE_PREPARE([[#include <stdlib.h>
+#if HAVE_SYS_LOADAVG_H
+/* OpenIndiana has a bug: <sys/time.h> must be included before
+   <sys/loadavg.h>.  */
+# include <sys/time.h>
+# include <sys/loadavg.h>
+#endif
+#if HAVE_RANDOM_H
+# include <random.h>
+#endif
+    ]], [_Exit aligned_alloc atoll canonicalize_file_name free
+    getloadavg getprogname getsubopt grantpt
+    initstate initstate_r mbstowcs mbtowc mkdtemp mkostemp mkostemps mkstemp
+    mkstemps posix_memalign posix_openpt ptsname ptsname_r qsort_r
+    random random_r reallocarray realpath rpmatch secure_getenv setenv
+    setstate setstate_r srandom srandom_r
+    strtod strtol strtold strtoll strtoul strtoull unlockpt unsetenv])
+
+  AC_REQUIRE([AC_C_RESTRICT])
+
+  dnl Test whether MB_CUR_MAX needs to be overridden.
+  dnl On Solaris 10, in UTF-8 locales, its value is 3 but needs to be 4.
+  dnl Fortunately, we can do this because on this platform MB_LEN_MAX is 5.
+  AC_REQUIRE([AC_CANONICAL_HOST])
+  AC_REQUIRE([gt_LOCALE_FR_UTF8])
+  AC_CACHE_CHECK([whether MB_CUR_MAX is correct],
+    [gl_cv_macro_MB_CUR_MAX_good],
+    [
+      dnl Initial guess, used when cross-compiling or when no suitable locale
+      dnl is present.
+changequote(,)dnl
+      case "$host_os" in
+                  # Guess no on Solaris.
+        solaris*) gl_cv_macro_MB_CUR_MAX_good="guessing no" ;;
+                  # Guess yes otherwise.
+        *)        gl_cv_macro_MB_CUR_MAX_good="guessing yes" ;;
+      esac
+changequote([,])dnl
+      if test $LOCALE_FR_UTF8 != none; then
+        AC_RUN_IFELSE(
+          [AC_LANG_SOURCE([[
+#include <locale.h>
+#include <stdlib.h>
+int main ()
+{
+  int result = 0;
+  if (setlocale (LC_ALL, "$LOCALE_FR_UTF8") != NULL)
+    {
+      if (MB_CUR_MAX < 4)
+        result |= 1;
+    }
+  return result;
+}]])],
+          [gl_cv_macro_MB_CUR_MAX_good=yes],
+          [gl_cv_macro_MB_CUR_MAX_good=no],
+          [:])
+      fi
+    ])
+  case "$gl_cv_macro_MB_CUR_MAX_good" in
+    *yes) ;;
+    *) REPLACE_MB_CUR_MAX=1 ;;
+  esac
+
+  AC_CHECK_DECLS_ONCE([ecvt])
+  if test $ac_cv_have_decl_ecvt = no; then
+    HAVE_DECL_ECVT=0
+  fi
+  AC_CHECK_DECLS_ONCE([fcvt])
+  if test $ac_cv_have_decl_fcvt = no; then
+    HAVE_DECL_FCVT=0
+  fi
+  AC_CHECK_DECLS_ONCE([gcvt])
+  if test $ac_cv_have_decl_gcvt = no; then
+    HAVE_DECL_GCVT=0
+  fi
+])
+
+# gl_STDLIB_MODULE_INDICATOR([modulename])
+# sets the shell variable that indicates the presence of the given module
+# to a C preprocessor expression that will evaluate to 1.
+# This macro invocation must not occur in macros that are AC_REQUIREd.
+AC_DEFUN([gl_STDLIB_MODULE_INDICATOR],
+[
+  dnl Ensure to expand the default settings once only.
+  gl_STDLIB_H_REQUIRE_DEFAULTS
+  gl_MODULE_INDICATOR_SET_VARIABLE([$1])
+  dnl Define it also as a C macro, for the benefit of the unit tests.
+  gl_MODULE_INDICATOR_FOR_TESTS([$1])
+])
+
+# Initializes the default values for AC_SUBSTed shell variables.
+# This macro must not be AC_REQUIREd.  It must only be invoked, and only
+# outside of macros or in macros that are not AC_REQUIREd.
+AC_DEFUN([gl_STDLIB_H_REQUIRE_DEFAULTS],
+[
+  m4_defun(GL_MODULE_INDICATOR_PREFIX[_STDLIB_H_MODULE_INDICATOR_DEFAULTS], [
+    gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB__EXIT])
+    gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_ALIGNED_ALLOC])
+    gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_ATOLL])
+    gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_CALLOC_GNU])
+    gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_CALLOC_POSIX])
+    gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_CANONICALIZE_FILE_NAME])
+    gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_FREE_POSIX])
+    gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_GETLOADAVG])
+    gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_GETPROGNAME])
+    gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_GETSUBOPT])
+    gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_GRANTPT])
+    gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_MALLOC_GNU])
+    gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_MALLOC_POSIX])
+    gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_MBSTOWCS])
+    gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_MBTOWC])
+    gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_MKDTEMP])
+    gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_MKOSTEMP])
+    gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_MKOSTEMPS])
+    gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_MKSTEMP])
+    gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_MKSTEMPS])
+    gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_POSIX_MEMALIGN])
+    gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_POSIX_OPENPT])
+    gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_PTSNAME])
+    gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_PTSNAME_R])
+    gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_PUTENV])
+    gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_QSORT_R])
+    gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_RANDOM])
+    gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_RANDOM_R])
+    gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_REALLOCARRAY])
+    gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_REALLOC_GNU])
+    gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_REALLOC_POSIX])
+    gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_REALPATH])
+    gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_RPMATCH])
+    gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_SECURE_GETENV])
+    gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_SETENV])
+    gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_STRTOD])
+    gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_STRTOL])
+    gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_STRTOLD])
+    gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_STRTOLL])
+    gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_STRTOUL])
+    gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_STRTOULL])
+    gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_SYSTEM_POSIX])
+    gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_UNLOCKPT])
+    gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_UNSETENV])
+    gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_WCTOMB])
+    dnl Support Microsoft deprecated alias function names by default.
+    gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_MDA_ECVT], [1])
+    gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_MDA_FCVT], [1])
+    gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_MDA_GCVT], [1])
+    gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_MDA_MKTEMP], [1])
+    gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_MDA_PUTENV], [1])
+  ])
+  m4_require(GL_MODULE_INDICATOR_PREFIX[_STDLIB_H_MODULE_INDICATOR_DEFAULTS])
+  AC_REQUIRE([gl_STDLIB_H_DEFAULTS])
+])
+
+AC_DEFUN([gl_STDLIB_H_DEFAULTS],
+[
+  dnl Assume proper GNU behavior unless another module says otherwise.
+  HAVE__EXIT=1;              AC_SUBST([HAVE__EXIT])
+  HAVE_ALIGNED_ALLOC=1;      AC_SUBST([HAVE_ALIGNED_ALLOC])
+  HAVE_ATOLL=1;              AC_SUBST([HAVE_ATOLL])
+  HAVE_CANONICALIZE_FILE_NAME=1;  AC_SUBST([HAVE_CANONICALIZE_FILE_NAME])
+  HAVE_DECL_ECVT=1;          AC_SUBST([HAVE_DECL_ECVT])
+  HAVE_DECL_FCVT=1;          AC_SUBST([HAVE_DECL_FCVT])
+  HAVE_DECL_GCVT=1;          AC_SUBST([HAVE_DECL_GCVT])
+  HAVE_DECL_GETLOADAVG=1;    AC_SUBST([HAVE_DECL_GETLOADAVG])
+  HAVE_DECL_PROGRAM_INVOCATION_NAME=1; AC_SUBST([HAVE_DECL_PROGRAM_INVOCATION_NAME])
+  HAVE_GETPROGNAME=1;        AC_SUBST([HAVE_GETPROGNAME])
+  HAVE_GETSUBOPT=1;          AC_SUBST([HAVE_GETSUBOPT])
+  HAVE_GRANTPT=1;            AC_SUBST([HAVE_GRANTPT])
+  HAVE_INITSTATE=1;          AC_SUBST([HAVE_INITSTATE])
+  HAVE_DECL_INITSTATE=1;     AC_SUBST([HAVE_DECL_INITSTATE])
+  HAVE_MBTOWC=1;             AC_SUBST([HAVE_MBTOWC])
+  HAVE_MKDTEMP=1;            AC_SUBST([HAVE_MKDTEMP])
+  HAVE_MKOSTEMP=1;           AC_SUBST([HAVE_MKOSTEMP])
+  HAVE_MKOSTEMPS=1;          AC_SUBST([HAVE_MKOSTEMPS])
+  HAVE_MKSTEMP=1;            AC_SUBST([HAVE_MKSTEMP])
+  HAVE_MKSTEMPS=1;           AC_SUBST([HAVE_MKSTEMPS])
+  HAVE_POSIX_MEMALIGN=1;     AC_SUBST([HAVE_POSIX_MEMALIGN])
+  HAVE_POSIX_OPENPT=1;       AC_SUBST([HAVE_POSIX_OPENPT])
+  HAVE_PTSNAME=1;            AC_SUBST([HAVE_PTSNAME])
+  HAVE_PTSNAME_R=1;          AC_SUBST([HAVE_PTSNAME_R])
+  HAVE_QSORT_R=1;            AC_SUBST([HAVE_QSORT_R])
+  HAVE_RANDOM=1;             AC_SUBST([HAVE_RANDOM])
+  HAVE_RANDOM_H=1;           AC_SUBST([HAVE_RANDOM_H])
+  HAVE_RANDOM_R=1;           AC_SUBST([HAVE_RANDOM_R])
+  HAVE_REALLOCARRAY=1;       AC_SUBST([HAVE_REALLOCARRAY])
+  HAVE_REALPATH=1;           AC_SUBST([HAVE_REALPATH])
+  HAVE_RPMATCH=1;            AC_SUBST([HAVE_RPMATCH])
+  HAVE_SECURE_GETENV=1;      AC_SUBST([HAVE_SECURE_GETENV])
+  HAVE_SETENV=1;             AC_SUBST([HAVE_SETENV])
+  HAVE_DECL_SETENV=1;        AC_SUBST([HAVE_DECL_SETENV])
+  HAVE_SETSTATE=1;           AC_SUBST([HAVE_SETSTATE])
+  HAVE_DECL_SETSTATE=1;      AC_SUBST([HAVE_DECL_SETSTATE])
+  HAVE_STRTOD=1;             AC_SUBST([HAVE_STRTOD])
+  HAVE_STRTOL=1;             AC_SUBST([HAVE_STRTOL])
+  HAVE_STRTOLD=1;            AC_SUBST([HAVE_STRTOLD])
+  HAVE_STRTOLL=1;            AC_SUBST([HAVE_STRTOLL])
+  HAVE_STRTOUL=1;            AC_SUBST([HAVE_STRTOUL])
+  HAVE_STRTOULL=1;           AC_SUBST([HAVE_STRTOULL])
+  HAVE_STRUCT_RANDOM_DATA=1; AC_SUBST([HAVE_STRUCT_RANDOM_DATA])
+  HAVE_SYS_LOADAVG_H=0;      AC_SUBST([HAVE_SYS_LOADAVG_H])
+  HAVE_UNLOCKPT=1;           AC_SUBST([HAVE_UNLOCKPT])
+  HAVE_DECL_UNSETENV=1;      AC_SUBST([HAVE_DECL_UNSETENV])
+  REPLACE__EXIT=0;           AC_SUBST([REPLACE__EXIT])
+  REPLACE_ALIGNED_ALLOC=0;   AC_SUBST([REPLACE_ALIGNED_ALLOC])
+  REPLACE_CALLOC_FOR_CALLOC_GNU=0;    AC_SUBST([REPLACE_CALLOC_FOR_CALLOC_GNU])
+  REPLACE_CALLOC_FOR_CALLOC_POSIX=0;  AC_SUBST([REPLACE_CALLOC_FOR_CALLOC_POSIX])
+  REPLACE_CANONICALIZE_FILE_NAME=0;  AC_SUBST([REPLACE_CANONICALIZE_FILE_NAME])
+  REPLACE_FREE=0;            AC_SUBST([REPLACE_FREE])
+  REPLACE_GETLOADAVG=0;      AC_SUBST([REPLACE_GETLOADAVG])
+  REPLACE_GETPROGNAME=0;     AC_SUBST([REPLACE_GETPROGNAME])
+  REPLACE_GETSUBOPT=0;       AC_SUBST([REPLACE_GETSUBOPT])
+  REPLACE_INITSTATE=0;       AC_SUBST([REPLACE_INITSTATE])
+  REPLACE_MALLOC_FOR_MALLOC_GNU=0;    AC_SUBST([REPLACE_MALLOC_FOR_MALLOC_GNU])
+  REPLACE_MALLOC_FOR_MALLOC_POSIX=0;  AC_SUBST([REPLACE_MALLOC_FOR_MALLOC_POSIX])
+  REPLACE_MB_CUR_MAX=0;      AC_SUBST([REPLACE_MB_CUR_MAX])
+  REPLACE_MBSTOWCS=0;        AC_SUBST([REPLACE_MBSTOWCS])
+  REPLACE_MBTOWC=0;          AC_SUBST([REPLACE_MBTOWC])
+  REPLACE_MKOSTEMP=0;        AC_SUBST([REPLACE_MKOSTEMP])
+  REPLACE_MKOSTEMPS=0;       AC_SUBST([REPLACE_MKOSTEMPS])
+  REPLACE_MKSTEMP=0;         AC_SUBST([REPLACE_MKSTEMP])
+  REPLACE_POSIX_MEMALIGN=0;  AC_SUBST([REPLACE_POSIX_MEMALIGN])
+  REPLACE_POSIX_OPENPT=0;    AC_SUBST([REPLACE_POSIX_OPENPT])
+  REPLACE_PTSNAME=0;         AC_SUBST([REPLACE_PTSNAME])
+  REPLACE_PTSNAME_R=0;       AC_SUBST([REPLACE_PTSNAME_R])
+  REPLACE_PUTENV=0;          AC_SUBST([REPLACE_PUTENV])
+  REPLACE_QSORT_R=0;         AC_SUBST([REPLACE_QSORT_R])
+  REPLACE_RANDOM=0;          AC_SUBST([REPLACE_RANDOM])
+  REPLACE_RANDOM_R=0;        AC_SUBST([REPLACE_RANDOM_R])
+  REPLACE_REALLOC_FOR_REALLOC_GNU=0;    AC_SUBST([REPLACE_REALLOC_FOR_REALLOC_GNU])
+  REPLACE_REALLOC_FOR_REALLOC_POSIX=0;  AC_SUBST([REPLACE_REALLOC_FOR_REALLOC_POSIX])
+  REPLACE_REALLOCARRAY=0;    AC_SUBST([REPLACE_REALLOCARRAY])
+  REPLACE_REALPATH=0;        AC_SUBST([REPLACE_REALPATH])
+  REPLACE_SETENV=0;          AC_SUBST([REPLACE_SETENV])
+  REPLACE_SETSTATE=0;        AC_SUBST([REPLACE_SETSTATE])
+  REPLACE_STRTOD=0;          AC_SUBST([REPLACE_STRTOD])
+  REPLACE_STRTOL=0;          AC_SUBST([REPLACE_STRTOL])
+  REPLACE_STRTOLD=0;         AC_SUBST([REPLACE_STRTOLD])
+  REPLACE_STRTOLL=0;         AC_SUBST([REPLACE_STRTOLL])
+  REPLACE_STRTOUL=0;         AC_SUBST([REPLACE_STRTOUL])
+  REPLACE_STRTOULL=0;        AC_SUBST([REPLACE_STRTOULL])
+  REPLACE_UNSETENV=0;        AC_SUBST([REPLACE_UNSETENV])
+  REPLACE_WCTOMB=0;          AC_SUBST([REPLACE_WCTOMB])
+])