Mercurial > libpst

annotate m4/lib-ld.m4 @ 164:ab384fed78c5

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Compensate for iconv conversion to utf-7 that produces strings that are not null terminated. Don't produce empty attachment files in separate mode.
author Carl Byington <carl@five-ten-sg.com>
date Mon, 16 Mar 2009 18:31:39 -0700
parents 0b1766da9be8
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
153
0b1766da9be8 use AM_ICONV for better portability of the library location.
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
1 # lib-ld.m4 serial 2 (gettext-0.12)
0b1766da9be8 use AM_ICONV for better portability of the library location.
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
2 dnl Copyright (C) 1996-2003 Free Software Foundation, Inc.
0b1766da9be8 use AM_ICONV for better portability of the library location.
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
3 dnl This file is free software, distributed under the terms of the GNU
0b1766da9be8 use AM_ICONV for better portability of the library location.
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
4 dnl General Public License. As a special exception to the GNU General
0b1766da9be8 use AM_ICONV for better portability of the library location.
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
5 dnl Public License, this file may be distributed as part of a program
0b1766da9be8 use AM_ICONV for better portability of the library location.
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
6 dnl that contains a configuration script generated by Autoconf, under
0b1766da9be8 use AM_ICONV for better portability of the library location.
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
7 dnl the same distribution terms as the rest of that program.
0b1766da9be8 use AM_ICONV for better portability of the library location.
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
8
0b1766da9be8 use AM_ICONV for better portability of the library location.
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
9 dnl Subroutines of libtool.m4,
0b1766da9be8 use AM_ICONV for better portability of the library location.
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
10 dnl with replacements s/AC_/AC_LIB/ and s/lt_cv/acl_cv/ to avoid collision
0b1766da9be8 use AM_ICONV for better portability of the library location.
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
11 dnl with libtool.m4.
0b1766da9be8 use AM_ICONV for better portability of the library location.
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
12
0b1766da9be8 use AM_ICONV for better portability of the library location.
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
13 dnl From libtool-1.4. Sets the variable with_gnu_ld to yes or no.
0b1766da9be8 use AM_ICONV for better portability of the library location.
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
14 AC_DEFUN([AC_LIB_PROG_LD_GNU],
0b1766da9be8 use AM_ICONV for better portability of the library location.
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
15 [AC_CACHE_CHECK([if the linker ($LD) is GNU ld], acl_cv_prog_gnu_ld,
0b1766da9be8 use AM_ICONV for better portability of the library location.
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
16 [# I'd rather use --version here, but apparently some GNU ld's only accept -v.
0b1766da9be8 use AM_ICONV for better portability of the library location.
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
17 if $LD -v 2>&1 </dev/null | egrep '(GNU|with BFD)' 1>&5; then
0b1766da9be8 use AM_ICONV for better portability of the library location.
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
18 acl_cv_prog_gnu_ld=yes
0b1766da9be8 use AM_ICONV for better portability of the library location.
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
19 else
0b1766da9be8 use AM_ICONV for better portability of the library location.
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
20 acl_cv_prog_gnu_ld=no
0b1766da9be8 use AM_ICONV for better portability of the library location.
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
21 fi])
0b1766da9be8 use AM_ICONV for better portability of the library location.
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
22 with_gnu_ld=$acl_cv_prog_gnu_ld
0b1766da9be8 use AM_ICONV for better portability of the library location.
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
23 ])
0b1766da9be8 use AM_ICONV for better portability of the library location.
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
24
0b1766da9be8 use AM_ICONV for better portability of the library location.
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
25 dnl From libtool-1.4. Sets the variable LD.
0b1766da9be8 use AM_ICONV for better portability of the library location.
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
26 AC_DEFUN([AC_LIB_PROG_LD],
0b1766da9be8 use AM_ICONV for better portability of the library location.
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
27 [AC_ARG_WITH(gnu-ld,
0b1766da9be8 use AM_ICONV for better portability of the library location.
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
28 [ --with-gnu-ld assume the C compiler uses GNU ld [default=no]],
0b1766da9be8 use AM_ICONV for better portability of the library location.
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
29 test "$withval" = no || with_gnu_ld=yes, with_gnu_ld=no)
0b1766da9be8 use AM_ICONV for better portability of the library location.
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
30 AC_REQUIRE([AC_PROG_CC])dnl
0b1766da9be8 use AM_ICONV for better portability of the library location.
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
31 AC_REQUIRE([AC_CANONICAL_HOST])dnl
0b1766da9be8 use AM_ICONV for better portability of the library location.
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
32 # Prepare PATH_SEPARATOR.
0b1766da9be8 use AM_ICONV for better portability of the library location.
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
33 # The user is always right.
0b1766da9be8 use AM_ICONV for better portability of the library location.
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
34 if test "${PATH_SEPARATOR+set}" != set; then
0b1766da9be8 use AM_ICONV for better portability of the library location.
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
35 echo "#! /bin/sh" >conf$$.sh
0b1766da9be8 use AM_ICONV for better portability of the library location.
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
36 echo "exit 0" >>conf$$.sh
0b1766da9be8 use AM_ICONV for better portability of the library location.
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
37 chmod +x conf$$.sh
0b1766da9be8 use AM_ICONV for better portability of the library location.
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
38 if (PATH="/nonexistent;."; conf$$.sh) >/dev/null 2>&1; then
0b1766da9be8 use AM_ICONV for better portability of the library location.
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
39 PATH_SEPARATOR=';'
0b1766da9be8 use AM_ICONV for better portability of the library location.
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
40 else
0b1766da9be8 use AM_ICONV for better portability of the library location.
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
41 PATH_SEPARATOR=:
0b1766da9be8 use AM_ICONV for better portability of the library location.
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
42 fi
0b1766da9be8 use AM_ICONV for better portability of the library location.
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
43 rm -f conf$$.sh
0b1766da9be8 use AM_ICONV for better portability of the library location.
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
44 fi
0b1766da9be8 use AM_ICONV for better portability of the library location.
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
45 ac_prog=ld
0b1766da9be8 use AM_ICONV for better portability of the library location.
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
46 if test "$GCC" = yes; then
0b1766da9be8 use AM_ICONV for better portability of the library location.
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
47 # Check if gcc -print-prog-name=ld gives a path.
0b1766da9be8 use AM_ICONV for better portability of the library location.
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
48 AC_MSG_CHECKING([for ld used by GCC])
0b1766da9be8 use AM_ICONV for better portability of the library location.
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
49 case $host in
0b1766da9be8 use AM_ICONV for better portability of the library location.
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
50 *-*-mingw*)
0b1766da9be8 use AM_ICONV for better portability of the library location.
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
51 # gcc leaves a trailing carriage return which upsets mingw
0b1766da9be8 use AM_ICONV for better portability of the library location.
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
52 ac_prog=`($CC -print-prog-name=ld) 2>&5 | tr -d '\015'` ;;
0b1766da9be8 use AM_ICONV for better portability of the library location.
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
53 *)
0b1766da9be8 use AM_ICONV for better portability of the library location.
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
54 ac_prog=`($CC -print-prog-name=ld) 2>&5` ;;
0b1766da9be8 use AM_ICONV for better portability of the library location.
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
55 esac
0b1766da9be8 use AM_ICONV for better portability of the library location.
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
56 case $ac_prog in
0b1766da9be8 use AM_ICONV for better portability of the library location.
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
57 # Accept absolute paths.
0b1766da9be8 use AM_ICONV for better portability of the library location.
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
58 [[\\/]* | [A-Za-z]:[\\/]*)]
0b1766da9be8 use AM_ICONV for better portability of the library location.
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
59 [re_direlt='/[^/][^/]*/\.\./']
0b1766da9be8 use AM_ICONV for better portability of the library location.
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
60 # Canonicalize the path of ld
0b1766da9be8 use AM_ICONV for better portability of the library location.
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
61 ac_prog=`echo $ac_prog| sed 's%\\\\%/%g'`
0b1766da9be8 use AM_ICONV for better portability of the library location.
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
62 while echo $ac_prog | grep "$re_direlt" > /dev/null 2>&1; do
0b1766da9be8 use AM_ICONV for better portability of the library location.
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
63 ac_prog=`echo $ac_prog| sed "s%$re_direlt%/%"`
0b1766da9be8 use AM_ICONV for better portability of the library location.
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
64 done
0b1766da9be8 use AM_ICONV for better portability of the library location.
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
65 test -z "$LD" && LD="$ac_prog"
0b1766da9be8 use AM_ICONV for better portability of the library location.
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
66 ;;
0b1766da9be8 use AM_ICONV for better portability of the library location.
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
67 "")
0b1766da9be8 use AM_ICONV for better portability of the library location.
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
68 # If it fails, then pretend we aren't using GCC.
0b1766da9be8 use AM_ICONV for better portability of the library location.
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
69 ac_prog=ld
0b1766da9be8 use AM_ICONV for better portability of the library location.
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
70 ;;
0b1766da9be8 use AM_ICONV for better portability of the library location.
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
71 *)
0b1766da9be8 use AM_ICONV for better portability of the library location.
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
72 # If it is relative, then search for the first ld in PATH.
0b1766da9be8 use AM_ICONV for better portability of the library location.
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
73 with_gnu_ld=unknown
0b1766da9be8 use AM_ICONV for better portability of the library location.
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
74 ;;
0b1766da9be8 use AM_ICONV for better portability of the library location.
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
75 esac
0b1766da9be8 use AM_ICONV for better portability of the library location.
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
76 elif test "$with_gnu_ld" = yes; then
0b1766da9be8 use AM_ICONV for better portability of the library location.
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
77 AC_MSG_CHECKING([for GNU ld])
0b1766da9be8 use AM_ICONV for better portability of the library location.
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
78 else
0b1766da9be8 use AM_ICONV for better portability of the library location.
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
79 AC_MSG_CHECKING([for non-GNU ld])
0b1766da9be8 use AM_ICONV for better portability of the library location.
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
80 fi
0b1766da9be8 use AM_ICONV for better portability of the library location.
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
81 AC_CACHE_VAL(acl_cv_path_LD,
0b1766da9be8 use AM_ICONV for better portability of the library location.
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
82 [if test -z "$LD"; then
0b1766da9be8 use AM_ICONV for better portability of the library location.
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
83 IFS="${IFS= }"; ac_save_ifs="$IFS"; IFS="${IFS}${PATH_SEPARATOR-:}"
0b1766da9be8 use AM_ICONV for better portability of the library location.
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
84 for ac_dir in $PATH; do
0b1766da9be8 use AM_ICONV for better portability of the library location.
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
85 test -z "$ac_dir" && ac_dir=.
0b1766da9be8 use AM_ICONV for better portability of the library location.
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
86 if test -f "$ac_dir/$ac_prog" || test -f "$ac_dir/$ac_prog$ac_exeext"; then
0b1766da9be8 use AM_ICONV for better portability of the library location.
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
87 acl_cv_path_LD="$ac_dir/$ac_prog"
0b1766da9be8 use AM_ICONV for better portability of the library location.
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
88 # Check to see if the program is GNU ld. I'd rather use --version,
0b1766da9be8 use AM_ICONV for better portability of the library location.
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
89 # but apparently some GNU ld's only accept -v.
0b1766da9be8 use AM_ICONV for better portability of the library location.
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
90 # Break only if it was the GNU/non-GNU ld that we prefer.
0b1766da9be8 use AM_ICONV for better portability of the library location.
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
91 if "$acl_cv_path_LD" -v 2>&1 < /dev/null | egrep '(GNU|with BFD)' > /dev/null; then
0b1766da9be8 use AM_ICONV for better portability of the library location.
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
92 test "$with_gnu_ld" != no && break
0b1766da9be8 use AM_ICONV for better portability of the library location.
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
93 else
0b1766da9be8 use AM_ICONV for better portability of the library location.
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
94 test "$with_gnu_ld" != yes && break
0b1766da9be8 use AM_ICONV for better portability of the library location.
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
95 fi
0b1766da9be8 use AM_ICONV for better portability of the library location.
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
96 fi
0b1766da9be8 use AM_ICONV for better portability of the library location.
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
97 done
0b1766da9be8 use AM_ICONV for better portability of the library location.
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
98 IFS="$ac_save_ifs"
0b1766da9be8 use AM_ICONV for better portability of the library location.
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
99 else
0b1766da9be8 use AM_ICONV for better portability of the library location.
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
100 acl_cv_path_LD="$LD" # Let the user override the test with a path.
0b1766da9be8 use AM_ICONV for better portability of the library location.
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
101 fi])
0b1766da9be8 use AM_ICONV for better portability of the library location.
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
102 LD="$acl_cv_path_LD"
0b1766da9be8 use AM_ICONV for better portability of the library location.
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
103 if test -n "$LD"; then
0b1766da9be8 use AM_ICONV for better portability of the library location.
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
104 AC_MSG_RESULT($LD)
0b1766da9be8 use AM_ICONV for better portability of the library location.
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
105 else
0b1766da9be8 use AM_ICONV for better portability of the library location.
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
106 AC_MSG_RESULT(no)
0b1766da9be8 use AM_ICONV for better portability of the library location.
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
107 fi
0b1766da9be8 use AM_ICONV for better portability of the library location.
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
108 test -z "$LD" && AC_MSG_ERROR([no acceptable ld found in \$PATH])
0b1766da9be8 use AM_ICONV for better portability of the library location.
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
109 AC_LIB_PROG_LD_GNU
0b1766da9be8 use AM_ICONV for better portability of the library location.
Carl Byington <carl@five-ten-sg.com>
parents:
diff changeset
110 ])