gh-89640: Pull in update to float word order detection in autoconf-archive (#126747)

.github/workflows/build.yml

@@ -46,7 +46,7 @@ jobs:
     # reproducible: to get the same tools versions (autoconf, aclocal, ...)
     runs-on: ubuntu-24.04
     container:
-      image: ghcr.io/python/autoconf:2024.10.16.11360930377
+      image: ghcr.io/python/autoconf:2024.11.11.11786316759
     timeout-minutes: 60
     needs: check_source
     if: needs.check_source.outputs.run_tests == 'true'

Tools/build/regen-configure.sh

@@ -5,7 +5,7 @@ set -e -x
 # The check_autoconf_regen job of .github/workflows/build.yml must kept in
 # sync with this script. Use the same container image than the job so the job
 # doesn't need to run autoreconf in a container.
-IMAGE="ghcr.io/python/autoconf:2024.10.16.11360930377"
+IMAGE="ghcr.io/python/autoconf:2024.11.11.11786316759"
 AUTORECONF="autoreconf -ivf -Werror"
 
 WORK_DIR="/src"

aclocal.m4

@@ -91,7 +91,7 @@ m4_ifndef([AC_CONFIG_MACRO_DIRS], [m4_defun([_AM_CONFIG_MACRO_DIRS], [])m4_defun
 #   and this notice are preserved. This file is offered as-is, without any
 #   warranty.
 
-#serial 12
+#serial 14
 
 AC_DEFUN([AX_C_FLOAT_WORDS_BIGENDIAN],
   [AC_CACHE_CHECK(whether float word ordering is bigendian,
@@ -112,10 +112,10 @@ int main (int argc, char *argv[])
 
 ]])], [
 
-if grep noonsees conftest$EXEEXT >/dev/null ; then
+if grep noonsees conftest* > /dev/null ; then
   ax_cv_c_float_words_bigendian=yes
 fi
-if grep seesnoon conftest$EXEEXT >/dev/null ; then
+if grep seesnoon conftest* >/dev/null ; then
   if test "$ax_cv_c_float_words_bigendian" = unknown; then
     ax_cv_c_float_words_bigendian=no
   else
@@ -398,7 +398,7 @@ AC_DEFUN([AX_CHECK_OPENSSL], [
     AC_SUBST([OPENSSL_LDFLAGS])
 ])
 
-# pkg.m4 - Macros to locate and utilise pkg-config.   -*- Autoconf -*-
+# pkg.m4 - Macros to locate and use pkg-config.   -*- Autoconf -*-
 # serial 12 (pkg-config-0.29.2)
 
 dnl Copyright © 2004 Scott James Remnant <scott@netsplit.com>.
@@ -486,7 +486,7 @@ dnl Check to see whether a particular set of modules exists. Similar to
 dnl PKG_CHECK_MODULES(), but does not set variables or print errors.
 dnl
 dnl Please remember that m4 expands AC_REQUIRE([PKG_PROG_PKG_CONFIG])
-dnl only at the first occurence in configure.ac, so if the first place
+dnl only at the first occurrence in configure.ac, so if the first place
 dnl it's called might be skipped (such as if it is within an "if", you
 dnl have to call PKG_CHECK_EXISTS manually
 AC_DEFUN([PKG_CHECK_EXISTS],
@@ -674,6 +674,74 @@ AS_VAR_COPY([$1], [pkg_cv_][$1])
 AS_VAR_IF([$1], [""], [$5], [$4])dnl
 ])dnl PKG_CHECK_VAR
 
+dnl PKG_WITH_MODULES(VARIABLE-PREFIX, MODULES,
+dnl   [ACTION-IF-FOUND],[ACTION-IF-NOT-FOUND],
+dnl   [DESCRIPTION], [DEFAULT])
+dnl ------------------------------------------
+dnl
+dnl Prepare a "--with-" configure option using the lowercase
+dnl [VARIABLE-PREFIX] name, merging the behaviour of AC_ARG_WITH and
+dnl PKG_CHECK_MODULES in a single macro.
+AC_DEFUN([PKG_WITH_MODULES],
+[
+m4_pushdef([with_arg], m4_tolower([$1]))
+
+m4_pushdef([description],
+           [m4_default([$5], [build with ]with_arg[ support])])
+
+m4_pushdef([def_arg], [m4_default([$6], [auto])])
+m4_pushdef([def_action_if_found], [AS_TR_SH([with_]with_arg)=yes])
+m4_pushdef([def_action_if_not_found], [AS_TR_SH([with_]with_arg)=no])
+
+m4_case(def_arg,
+            [yes],[m4_pushdef([with_without], [--without-]with_arg)],
+            [m4_pushdef([with_without],[--with-]with_arg)])
+
+AC_ARG_WITH(with_arg,
+     AS_HELP_STRING(with_without, description[ @<:@default=]def_arg[@:>@]),,
+    [AS_TR_SH([with_]with_arg)=def_arg])
+
+AS_CASE([$AS_TR_SH([with_]with_arg)],
+            [yes],[PKG_CHECK_MODULES([$1],[$2],$3,$4)],
+            [auto],[PKG_CHECK_MODULES([$1],[$2],
+                                        [m4_n([def_action_if_found]) $3],
+                                        [m4_n([def_action_if_not_found]) $4])])
+
+m4_popdef([with_arg])
+m4_popdef([description])
+m4_popdef([def_arg])
+
+])dnl PKG_WITH_MODULES
+
+dnl PKG_HAVE_WITH_MODULES(VARIABLE-PREFIX, MODULES,
+dnl   [DESCRIPTION], [DEFAULT])
+dnl -----------------------------------------------
+dnl
+dnl Convenience macro to trigger AM_CONDITIONAL after PKG_WITH_MODULES
+dnl check._[VARIABLE-PREFIX] is exported as make variable.
+AC_DEFUN([PKG_HAVE_WITH_MODULES],
+[
+PKG_WITH_MODULES([$1],[$2],,,[$3],[$4])
+
+AM_CONDITIONAL([HAVE_][$1],
+               [test "$AS_TR_SH([with_]m4_tolower([$1]))" = "yes"])
+])dnl PKG_HAVE_WITH_MODULES
+
+dnl PKG_HAVE_DEFINE_WITH_MODULES(VARIABLE-PREFIX, MODULES,
+dnl   [DESCRIPTION], [DEFAULT])
+dnl ------------------------------------------------------
+dnl
+dnl Convenience macro to run AM_CONDITIONAL and AC_DEFINE after
+dnl PKG_WITH_MODULES check. HAVE_[VARIABLE-PREFIX] is exported as make
+dnl and preprocessor variable.
+AC_DEFUN([PKG_HAVE_DEFINE_WITH_MODULES],
+[
+PKG_HAVE_WITH_MODULES([$1],[$2],[$3],[$4])
+
+AS_IF([test "$AS_TR_SH([with_]m4_tolower([$1]))" = "yes"],
+        [AC_DEFINE([HAVE_][$1], 1, [Enable ]m4_tolower([$1])[ support])])
+])dnl PKG_HAVE_DEFINE_WITH_MODULES
+
 # AM_CONDITIONAL                                            -*- Autoconf -*-
 
 # Copyright (C) 1997-2021 Free Software Foundation, Inc.

configure

@@ -24174,10 +24174,10 @@ if ac_fn_c_try_link "$LINENO"
 then :
 
 
-if grep noonsees conftest$EXEEXT >/dev/null ; then
+if grep noonsees conftest* > /dev/null ; then
   ax_cv_c_float_words_bigendian=yes
 fi
-if grep seesnoon conftest$EXEEXT >/dev/null ; then
+if grep seesnoon conftest* >/dev/null ; then
   if test "$ax_cv_c_float_words_bigendian" = unknown; then
     ax_cv_c_float_words_bigendian=no
   else
@@ -24213,10 +24213,6 @@ printf "%s\n" "#define DOUBLE_IS_LITTLE_ENDIAN_IEEE754 1" >>confdefs.h
                      # but if it's not big or little, then it must be this?
 
 printf "%s\n" "#define DOUBLE_IS_ARM_MIXED_ENDIAN_IEEE754 1" >>confdefs.h
- ;; #(
-  wasm*) :
-
-printf "%s\n" "#define DOUBLE_IS_LITTLE_ENDIAN_IEEE754 1" >>confdefs.h
  ;; #(
   *) :
     as_fn_error $? "Unknown float word ordering. You need to manually preset ax_cv_c_float_words_bigendian=no (or yes) according to your system." "$LINENO" 5 ;;

configure.ac

@@ -5918,9 +5918,6 @@ AX_C_FLOAT_WORDS_BIGENDIAN(
                      AC_DEFINE([DOUBLE_IS_ARM_MIXED_ENDIAN_IEEE754], [1],
                                [Define if C doubles are 64-bit IEEE 754 binary format,
                                 stored in ARM mixed-endian order (byte order 45670123)])],
-           [wasm*], [AC_DEFINE([DOUBLE_IS_LITTLE_ENDIAN_IEEE754], [1],
-                               [Define if C doubles are 64-bit IEEE 754 binary format,
-                                stored with the least significant byte first])],
            [AC_MSG_ERROR([m4_normalize([
              Unknown float word ordering. You need to manually
              preset ax_cv_c_float_words_bigendian=no (or yes)