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-rw-r--r--aclocal.m4193
1 files changed, 11 insertions, 182 deletions
diff --git a/aclocal.m4 b/aclocal.m4
index 25ecc49a2..c1b774884 100644
--- a/aclocal.m4
+++ b/aclocal.m4
@@ -1,186 +1,15 @@
1dnl OpenSSH-specific autoconf macros 1# generated automatically by aclocal 1.16.2 -*- Autoconf -*-
2dnl
3 2
4dnl OSSH_CHECK_CFLAG_COMPILE(check_flag[, define_flag]) 3# Copyright (C) 1996-2020 Free Software Foundation, Inc.
5dnl Check that $CC accepts a flag 'check_flag'. If it is supported append
6dnl 'define_flag' to $CFLAGS. If 'define_flag' is not specified, then append
7dnl 'check_flag'.
8AC_DEFUN([OSSH_CHECK_CFLAG_COMPILE], [{
9 AC_MSG_CHECKING([if $CC supports compile flag $1])
10 saved_CFLAGS="$CFLAGS"
11 CFLAGS="$CFLAGS $WERROR $1"
12 _define_flag="$2"
13 test "x$_define_flag" = "x" && _define_flag="$1"
14 AC_COMPILE_IFELSE([AC_LANG_SOURCE([[
15#include <stdlib.h>
16#include <stdio.h>
17int main(int argc, char **argv) {
18 /* Some math to catch -ftrapv problems in the toolchain */
19 int i = 123 * argc, j = 456 + argc, k = 789 - argc;
20 float l = i * 2.1;
21 double m = l / 0.5;
22 long long int n = argc * 12345LL, o = 12345LL * (long long int)argc;
23 printf("%d %d %d %f %f %lld %lld\n", i, j, k, l, m, n, o);
24 exit(0);
25}
26 ]])],
27 [
28if $ac_cv_path_EGREP -i "unrecognized option|warning.*ignored" conftest.err >/dev/null
29then
30 AC_MSG_RESULT([no])
31 CFLAGS="$saved_CFLAGS"
32else
33 AC_MSG_RESULT([yes])
34 CFLAGS="$saved_CFLAGS $_define_flag"
35fi],
36 [ AC_MSG_RESULT([no])
37 CFLAGS="$saved_CFLAGS" ]
38 )
39}])
40 4
41dnl OSSH_CHECK_CFLAG_LINK(check_flag[, define_flag]) 5# This file is free software; the Free Software Foundation
42dnl Check that $CC accepts a flag 'check_flag'. If it is supported append 6# gives unlimited permission to copy and/or distribute it,
43dnl 'define_flag' to $CFLAGS. If 'define_flag' is not specified, then append 7# with or without modifications, as long as this notice is preserved.
44dnl 'check_flag'.
45AC_DEFUN([OSSH_CHECK_CFLAG_LINK], [{
46 AC_MSG_CHECKING([if $CC supports compile flag $1 and linking succeeds])
47 saved_CFLAGS="$CFLAGS"
48 CFLAGS="$CFLAGS $WERROR $1"
49 _define_flag="$2"
50 test "x$_define_flag" = "x" && _define_flag="$1"
51 AC_LINK_IFELSE([AC_LANG_SOURCE([[
52#include <stdlib.h>
53#include <stdio.h>
54int main(int argc, char **argv) {
55 /* Some math to catch -ftrapv problems in the toolchain */
56 int i = 123 * argc, j = 456 + argc, k = 789 - argc;
57 float l = i * 2.1;
58 double m = l / 0.5;
59 long long int n = argc * 12345LL, o = 12345LL * (long long int)argc;
60 long long int p = n * o;
61 printf("%d %d %d %f %f %lld %lld %lld\n", i, j, k, l, m, n, o, p);
62 exit(0);
63}
64 ]])],
65 [
66if $ac_cv_path_EGREP -i "unrecognized option|warning.*ignored" conftest.err >/dev/null
67then
68 AC_MSG_RESULT([no])
69 CFLAGS="$saved_CFLAGS"
70else
71 AC_MSG_RESULT([yes])
72 CFLAGS="$saved_CFLAGS $_define_flag"
73fi],
74 [ AC_MSG_RESULT([no])
75 CFLAGS="$saved_CFLAGS" ]
76 )
77}])
78 8
79dnl OSSH_CHECK_LDFLAG_LINK(check_flag[, define_flag]) 9# This program is distributed in the hope that it will be useful,
80dnl Check that $LD accepts a flag 'check_flag'. If it is supported append 10# but WITHOUT ANY WARRANTY, to the extent permitted by law; without
81dnl 'define_flag' to $LDFLAGS. If 'define_flag' is not specified, then append 11# even the implied warranty of MERCHANTABILITY or FITNESS FOR A
82dnl 'check_flag'. 12# PARTICULAR PURPOSE.
83AC_DEFUN([OSSH_CHECK_LDFLAG_LINK], [{
84 AC_MSG_CHECKING([if $LD supports link flag $1])
85 saved_LDFLAGS="$LDFLAGS"
86 LDFLAGS="$LDFLAGS $WERROR $1"
87 _define_flag="$2"
88 test "x$_define_flag" = "x" && _define_flag="$1"
89 AC_LINK_IFELSE([AC_LANG_SOURCE([[
90#include <stdlib.h>
91#include <stdio.h>
92int main(int argc, char **argv) {
93 /* Some math to catch -ftrapv problems in the toolchain */
94 int i = 123 * argc, j = 456 + argc, k = 789 - argc;
95 float l = i * 2.1;
96 double m = l / 0.5;
97 long long int n = argc * 12345LL, o = 12345LL * (long long int)argc;
98 long long p = n * o;
99 printf("%d %d %d %f %f %lld %lld %lld\n", i, j, k, l, m, n, o, p);
100 exit(0);
101}
102 ]])],
103 [
104if $ac_cv_path_EGREP -i "unrecognized option|warning.*ignored" conftest.err >/dev/null
105then
106 AC_MSG_RESULT([no])
107 LDFLAGS="$saved_LDFLAGS"
108else
109 AC_MSG_RESULT([yes])
110 LDFLAGS="$saved_LDFLAGS $_define_flag"
111fi ],
112 [ AC_MSG_RESULT([no])
113 LDFLAGS="$saved_LDFLAGS" ]
114 )
115}])
116
117dnl OSSH_CHECK_HEADER_FOR_FIELD(field, header, symbol)
118dnl Does AC_EGREP_HEADER on 'header' for the string 'field'
119dnl If found, set 'symbol' to be defined. Cache the result.
120dnl TODO: This is not foolproof, better to compile and read from there
121AC_DEFUN(OSSH_CHECK_HEADER_FOR_FIELD, [
122# look for field '$1' in header '$2'
123 dnl This strips characters illegal to m4 from the header filename
124 ossh_safe=`echo "$2" | sed 'y%./+-%__p_%'`
125 dnl
126 ossh_varname="ossh_cv_$ossh_safe""_has_"$1
127 AC_MSG_CHECKING(for $1 field in $2)
128 AC_CACHE_VAL($ossh_varname, [
129 AC_EGREP_HEADER($1, $2, [ dnl
130 eval "$ossh_varname=yes" dnl
131 ], [ dnl
132 eval "$ossh_varname=no" dnl
133 ]) dnl
134 ])
135 ossh_result=`eval 'echo $'"$ossh_varname"`
136 if test -n "`echo $ossh_varname`"; then
137 AC_MSG_RESULT($ossh_result)
138 if test "x$ossh_result" = "xyes"; then
139 AC_DEFINE($3, 1, [Define if you have $1 in $2])
140 fi
141 else
142 AC_MSG_RESULT(no)
143 fi
144])
145
146dnl Check for socklen_t: historically on BSD it is an int, and in
147dnl POSIX 1g it is a type of its own, but some platforms use different
148dnl types for the argument to getsockopt, getpeername, etc. So we
149dnl have to test to find something that will work.
150AC_DEFUN([TYPE_SOCKLEN_T],
151[
152 AC_CHECK_TYPE([socklen_t], ,[
153 AC_MSG_CHECKING([for socklen_t equivalent])
154 AC_CACHE_VAL([curl_cv_socklen_t_equiv],
155 [
156 # Systems have either "struct sockaddr *" or
157 # "void *" as the second argument to getpeername
158 curl_cv_socklen_t_equiv=
159 for arg2 in "struct sockaddr" void; do
160 for t in int size_t unsigned long "unsigned long"; do
161 AC_TRY_COMPILE([
162 #include <sys/types.h>
163 #include <sys/socket.h>
164
165 int getpeername (int, $arg2 *, $t *);
166 ],[
167 $t len;
168 getpeername(0,0,&len);
169 ],[
170 curl_cv_socklen_t_equiv="$t"
171 break
172 ])
173 done
174 done
175
176 if test "x$curl_cv_socklen_t_equiv" = x; then
177 AC_MSG_ERROR([Cannot find a type to use in place of socklen_t])
178 fi
179 ])
180 AC_MSG_RESULT($curl_cv_socklen_t_equiv)
181 AC_DEFINE_UNQUOTED(socklen_t, $curl_cv_socklen_t_equiv,
182 [type to use in place of socklen_t if not defined])],
183 [#include <sys/types.h>
184#include <sys/socket.h>])
185])
186 13
14m4_ifndef([AC_CONFIG_MACRO_DIRS], [m4_defun([_AM_CONFIG_MACRO_DIRS], [])m4_defun([AC_CONFIG_MACRO_DIRS], [_AM_CONFIG_MACRO_DIRS($@)])])
15m4_include([m4/openssh.m4])
generated by cgit v1.2.3 (git 2.39.1) at 2024-05-19 19:23:57 +0000