/[svn]/ircd-hybrid/trunk/m4/ax_append_compile_flags.m4
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Annotation of /ircd-hybrid/trunk/m4/ax_append_compile_flags.m4

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Revision 9941 - (hide annotations)
Sat May 15 13:46:33 2021 UTC (20 months, 1 week ago) by michael
File size: 1765 byte(s)
- ax_append_compile_flags.m4: update to latest version

1 michael 8322 # ============================================================================
2     # https://www.gnu.org/software/autoconf-archive/ax_append_compile_flags.html
3     # ============================================================================
4 michael 2491 #
5     # SYNOPSIS
6     #
7 michael 8322 # AX_APPEND_COMPILE_FLAGS([FLAG1 FLAG2 ...], [FLAGS-VARIABLE], [EXTRA-FLAGS], [INPUT])
8 michael 2491 #
9     # DESCRIPTION
10     #
11     # For every FLAG1, FLAG2 it is checked whether the compiler works with the
12     # flag. If it does, the flag is added FLAGS-VARIABLE
13     #
14     # If FLAGS-VARIABLE is not specified, the current language's flags (e.g.
15     # CFLAGS) is used. During the check the flag is always added to the
16     # current language's flags.
17     #
18     # If EXTRA-FLAGS is defined, it is added to the current language's default
19     # flags (e.g. CFLAGS) when the check is done. The check is thus made with
20     # the flags: "CFLAGS EXTRA-FLAGS FLAG". This can for example be used to
21     # force the compiler to issue an error when a bad flag is given.
22     #
23 michael 8322 # INPUT gives an alternative input source to AC_COMPILE_IFELSE.
24     #
25 michael 2491 # NOTE: This macro depends on the AX_APPEND_FLAG and
26     # AX_CHECK_COMPILE_FLAG. Please keep this macro in sync with
27     # AX_APPEND_LINK_FLAGS.
28     #
29     # LICENSE
30     #
31     # Copyright (c) 2011 Maarten Bosmans <mkbosmans@gmail.com>
32     #
33 michael 9941 # Copying and distribution of this file, with or without modification, are
34     # permitted in any medium without royalty provided the copyright notice
35     # and this notice are preserved. This file is offered as-is, without any
36     # warranty.
37 michael 2491
38 michael 9941 #serial 7
39 michael 2491
40     AC_DEFUN([AX_APPEND_COMPILE_FLAGS],
41 michael 3838 [AX_REQUIRE_DEFINED([AX_CHECK_COMPILE_FLAG])
42     AX_REQUIRE_DEFINED([AX_APPEND_FLAG])
43 michael 2491 for flag in $1; do
44 michael 8322 AX_CHECK_COMPILE_FLAG([$flag], [AX_APPEND_FLAG([$flag], [$2])], [], [$3], [$4])
45 michael 2491 done
46     ])dnl AX_APPEND_COMPILE_FLAGS

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