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Diff for /embedaddon/libiconv/srcm4/warn-on-use.m4 between versions 1.1 and 1.1.1.2

version 1.1, 2012/05/29 09:29:44	version 1.1.1.2, 2021/03/17 13:38:46
Line 1	Line 1
# warn-on-use.m4 serial 4	# warn-on-use.m4 serial 6
dnl Copyright (C) 2010-2011 Free Software Foundation, Inc.	dnl Copyright (C) 2010-2019 Free Software Foundation, Inc.
dnl This file is free software; the Free Software Foundation	dnl This file is free software; the Free Software Foundation
dnl gives unlimited permission to copy and/or distribute it,	dnl gives unlimited permission to copy and/or distribute it,
dnl with or without modifications, as long as this notice is preserved.	dnl with or without modifications, as long as this notice is preserved.

# gl_WARN_ON_USE_PREPARE(INCLUDES, NAMES)	# 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	# For each whitespace-separated element in the list of NAMES, define
# HAVE_RAW_DECL_name if the function has a declaration among INCLUDES	# HAVE_RAW_DECL_name if the function has a declaration among INCLUDES
# even after being undefined as a macro.	# even after being undefined as a macro.
Line 18 dnl with or without modifications, as long as this not	Line 20 dnl with or without modifications, as long as this not
# some systems declare functions in the wrong header, then INCLUDES	# some systems declare functions in the wrong header, then INCLUDES
# should do likewise.	# should do likewise.
#	#
# If you assume C89, then it is generally safe to assume declarations	# It is generally safe to assume declarations for functions declared
# for functions declared in that standard (such as gets) without	# in the intersection of C89 and C11 (such as printf) without
# needing gl_WARN_ON_USE_PREPARE.	# needing gl_WARN_ON_USE_PREPARE.
AC_DEFUN([gl_WARN_ON_USE_PREPARE],	AC_DEFUN([gl_WARN_ON_USE_PREPARE],
[	[
m4_foreach_w([gl_decl], [$2],	m4_ifdef([gl_POSIXCHECK],
[AH_TEMPLATE([HAVE_RAW_DECL_]AS_TR_CPP(m4_defn([gl_decl])),	[m4_foreach_w([gl_decl], [$2],
[Define to 1 if ]m4_defn([gl_decl])[ is declared even after	[AH_TEMPLATE([HAVE_RAW_DECL_]AS_TR_CPP(m4_defn([gl_decl])),
undefining macros.])])dnl	[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 FIXME: gl_Symbol must be used unquoted until we can assume
dnl autoconf 2.64 or newer.	dnl autoconf 2.64 or newer.
for gl_func in m4_flatten([$2]); do	for gl_func in m4_flatten([$2]); do
AS_VAR_PUSHDEF([gl_Symbol], [gl_cv_have_raw_decl_$gl_func])dnl	AS_VAR_PUSHDEF([gl_Symbol], [gl_cv_have_raw_decl_$gl_func])dnl
AC_CACHE_CHECK([whether $gl_func is declared without a macro],	AC_CACHE_CHECK([whether $gl_func is declared without a macro],
gl_Symbol,	gl_Symbol,
[AC_COMPILE_IFELSE([AC_LANG_PROGRAM([$1],	[AC_COMPILE_IFELSE([AC_LANG_PROGRAM([$1],
[@%:@undef $gl_func	[@%:@undef $gl_func
(void) $gl_func;])],	(void) $gl_func;])],
[AS_VAR_SET(gl_Symbol, [yes])], [AS_VAR_SET(gl_Symbol, [no])])])	[AS_VAR_SET(gl_Symbol, [yes])], [AS_VAR_SET(gl_Symbol, [no])])])
AS_VAR_IF(gl_Symbol, [yes],	AS_VAR_IF(gl_Symbol, [yes],
[AC_DEFINE_UNQUOTED(AS_TR_CPP([HAVE_RAW_DECL_$gl_func]), [1])	[AC_DEFINE_UNQUOTED(AS_TR_CPP([HAVE_RAW_DECL_$gl_func]), [1])
dnl shortcut - if the raw declaration exists, then set a cache	dnl shortcut - if the raw declaration exists, then set a cache
dnl variable to allow skipping any later AC_CHECK_DECL efforts	dnl variable to allow skipping any later AC_CHECK_DECL efforts
eval ac_cv_have_decl_$gl_func=yes])	eval ac_cv_have_decl_$gl_func=yes])
AS_VAR_POPDEF([gl_Symbol])dnl	AS_VAR_POPDEF([gl_Symbol])dnl
done	done
	])
])	])

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Removed from v.1.1
changed lines
	Added in v.1.1.1.2