New upstream version 2.3.4

This commit is contained in:
Jan Wagner 2023-10-18 07:29:37 +00:00
parent e7bdd1c6c6
commit de72f6f588
556 changed files with 90432 additions and 53391 deletions

View file

@ -1,11 +1,13 @@
# warn-on-use.m4 serial 5
dnl Copyright (C) 2010-2013 Free Software Foundation, Inc.
# warn-on-use.m4 serial 10
dnl Copyright (C) 2010-2023 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.
# gl_WARN_ON_USE_PREPARE(INCLUDES, NAMES)
# ---------------------------------------
# If the module 'posixcheck' is in use:
#
# For each whitespace-separated element in the list of NAMES, define
# HAVE_RAW_DECL_name if the function has a declaration among INCLUDES
# even after being undefined as a macro.
@ -23,25 +25,38 @@ dnl with or without modifications, as long as this notice is preserved.
# needing gl_WARN_ON_USE_PREPARE.
AC_DEFUN([gl_WARN_ON_USE_PREPARE],
[
m4_foreach_w([gl_decl], [$2],
[AH_TEMPLATE([HAVE_RAW_DECL_]AS_TR_CPP(m4_defn([gl_decl])),
[Define to 1 if ]m4_defn([gl_decl])[ is declared even after
undefining macros.])])dnl
dnl FIXME: gl_Symbol must be used unquoted until we can assume
dnl autoconf 2.64 or newer.
for gl_func in m4_flatten([$2]); do
AS_VAR_PUSHDEF([gl_Symbol], [gl_cv_have_raw_decl_$gl_func])dnl
AC_CACHE_CHECK([whether $gl_func is declared without a macro],
gl_Symbol,
[AC_COMPILE_IFELSE([AC_LANG_PROGRAM([$1],
[@%:@undef $gl_func
(void) $gl_func;])],
[AS_VAR_SET(gl_Symbol, [yes])], [AS_VAR_SET(gl_Symbol, [no])])])
AS_VAR_IF(gl_Symbol, [yes],
[AC_DEFINE_UNQUOTED(AS_TR_CPP([HAVE_RAW_DECL_$gl_func]), [1])
dnl shortcut - if the raw declaration exists, then set a cache
dnl variable to allow skipping any later AC_CHECK_DECL efforts
eval ac_cv_have_decl_$gl_func=yes])
AS_VAR_POPDEF([gl_Symbol])dnl
done
m4_ifdef([gl_POSIXCHECK],
[m4_foreach_w([gl_decl], [$2],
[AH_TEMPLATE([HAVE_RAW_DECL_]AS_TR_CPP(m4_defn([gl_decl])),
[Define to 1 if ]m4_defn([gl_decl])[ is declared even after
undefining macros.])])dnl
for gl_func in m4_flatten([$2]); do
AS_VAR_PUSHDEF([gl_Symbol], [gl_cv_have_raw_decl_$gl_func])dnl
dnl As a workaround to implicit built-in function declarations in
dnl clang (e.g. strndup), reference ac_compile_for_check_decl instead
dnl of ac_compile. If, for whatever reason, the override of AC_PROG_CC
dnl in zzgnulib.m4 is inactive, use the original ac_compile.
ac_save_ac_compile="$ac_compile"
if test -n "$ac_compile_for_check_decl"; then
ac_compile="$ac_compile_for_check_decl"
fi
AC_CACHE_CHECK([whether $gl_func is declared without a macro],
[gl_Symbol],
[AC_COMPILE_IFELSE([AC_LANG_PROGRAM([$1],
[[#undef $gl_func
(void) $gl_func;]])],
[AS_VAR_SET([gl_Symbol], [yes])], [AS_VAR_SET([gl_Symbol], [no])])])
ac_compile="$ac_save_ac_compile"
AS_VAR_IF([gl_Symbol], [yes],
[AC_DEFINE_UNQUOTED(AS_TR_CPP([HAVE_RAW_DECL_$gl_func]), [1])
dnl Shortcut for an AC_CHECK_DECL invocation that may come later:
dnl If the raw declaration exists with the given includes, then
dnl AC_CHECK_DECL with its many includes would see it as well.
dnl So, set a cache variable to allow skipping any later
dnl AC_CHECK_DECL invocation for $gl_func.
eval "ac_cv_have_decl_$gl_func=yes"
])
AS_VAR_POPDEF([gl_Symbol])dnl
done
])
])