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Diffstat (limited to 'm4/lib-ld.m4')
-rw-r--r-- | m4/lib-ld.m4 | 97 |
1 files changed, 97 insertions, 0 deletions
diff --git a/m4/lib-ld.m4 b/m4/lib-ld.m4 new file mode 100644 index 0000000..ddb5732 --- /dev/null +++ b/m4/lib-ld.m4 | |||
@@ -0,0 +1,97 @@ | |||
1 | # lib-ld.m4 serial 1 (gettext-0.11) | ||
2 | dnl Copyright (C) 1996-2002 Free Software Foundation, Inc. | ||
3 | dnl This file is free software, distributed under the terms of the GNU | ||
4 | dnl General Public License. As a special exception to the GNU General | ||
5 | dnl Public License, this file may be distributed as part of a program | ||
6 | dnl that contains a configuration script generated by Autoconf, under | ||
7 | dnl the same distribution terms as the rest of that program. | ||
8 | |||
9 | dnl Subroutines of libtool.m4, | ||
10 | dnl with replacements s/AC_/AC_LIB/ and s/lt_cv/acl_cv/ to avoid collision | ||
11 | dnl with libtool.m4. | ||
12 | |||
13 | dnl From libtool-1.4. Sets the variable with_gnu_ld to yes or no. | ||
14 | AC_DEFUN([AC_LIB_PROG_LD_GNU], | ||
15 | [AC_CACHE_CHECK([if the linker ($LD) is GNU ld], acl_cv_prog_gnu_ld, | ||
16 | [# I'd rather use --version here, but apparently some GNU ld's only accept -v. | ||
17 | if $LD -v 2>&1 </dev/null | egrep '(GNU|with BFD)' 1>&5; then | ||
18 | acl_cv_prog_gnu_ld=yes | ||
19 | else | ||
20 | acl_cv_prog_gnu_ld=no | ||
21 | fi]) | ||
22 | with_gnu_ld=$acl_cv_prog_gnu_ld | ||
23 | ]) | ||
24 | |||
25 | dnl From libtool-1.4. Sets the variable LD. | ||
26 | AC_DEFUN([AC_LIB_PROG_LD], | ||
27 | [AC_ARG_WITH(gnu-ld, | ||
28 | [ --with-gnu-ld assume the C compiler uses GNU ld [default=no]], | ||
29 | test "$withval" = no || with_gnu_ld=yes, with_gnu_ld=no) | ||
30 | AC_REQUIRE([AC_PROG_CC])dnl | ||
31 | AC_REQUIRE([AC_CANONICAL_HOST])dnl | ||
32 | ac_prog=ld | ||
33 | if test "$GCC" = yes; then | ||
34 | # Check if gcc -print-prog-name=ld gives a path. | ||
35 | AC_MSG_CHECKING([for ld used by GCC]) | ||
36 | case $host in | ||
37 | *-*-mingw*) | ||
38 | # gcc leaves a trailing carriage return which upsets mingw | ||
39 | ac_prog=`($CC -print-prog-name=ld) 2>&5 | tr -d '\015'` ;; | ||
40 | *) | ||
41 | ac_prog=`($CC -print-prog-name=ld) 2>&5` ;; | ||
42 | esac | ||
43 | case $ac_prog in | ||
44 | # Accept absolute paths. | ||
45 | [[\\/]* | [A-Za-z]:[\\/]*)] | ||
46 | [re_direlt='/[^/][^/]*/\.\./'] | ||
47 | # Canonicalize the path of ld | ||
48 | ac_prog=`echo $ac_prog| sed 's%\\\\%/%g'` | ||
49 | while echo $ac_prog | grep "$re_direlt" > /dev/null 2>&1; do | ||
50 | ac_prog=`echo $ac_prog| sed "s%$re_direlt%/%"` | ||
51 | done | ||
52 | test -z "$LD" && LD="$ac_prog" | ||
53 | ;; | ||
54 | "") | ||
55 | # If it fails, then pretend we aren't using GCC. | ||
56 | ac_prog=ld | ||
57 | ;; | ||
58 | *) | ||
59 | # If it is relative, then search for the first ld in PATH. | ||
60 | with_gnu_ld=unknown | ||
61 | ;; | ||
62 | esac | ||
63 | elif test "$with_gnu_ld" = yes; then | ||
64 | AC_MSG_CHECKING([for GNU ld]) | ||
65 | else | ||
66 | AC_MSG_CHECKING([for non-GNU ld]) | ||
67 | fi | ||
68 | AC_CACHE_VAL(acl_cv_path_LD, | ||
69 | [if test -z "$LD"; then | ||
70 | IFS="${IFS= }"; ac_save_ifs="$IFS"; IFS="${IFS}${PATH_SEPARATOR-:}" | ||
71 | for ac_dir in $PATH; do | ||
72 | test -z "$ac_dir" && ac_dir=. | ||
73 | if test -f "$ac_dir/$ac_prog" || test -f "$ac_dir/$ac_prog$ac_exeext"; then | ||
74 | acl_cv_path_LD="$ac_dir/$ac_prog" | ||
75 | # Check to see if the program is GNU ld. I'd rather use --version, | ||
76 | # but apparently some GNU ld's only accept -v. | ||
77 | # Break only if it was the GNU/non-GNU ld that we prefer. | ||
78 | if "$acl_cv_path_LD" -v 2>&1 < /dev/null | egrep '(GNU|with BFD)' > /dev/null; then | ||
79 | test "$with_gnu_ld" != no && break | ||
80 | else | ||
81 | test "$with_gnu_ld" != yes && break | ||
82 | fi | ||
83 | fi | ||
84 | done | ||
85 | IFS="$ac_save_ifs" | ||
86 | else | ||
87 | acl_cv_path_LD="$LD" # Let the user override the test with a path. | ||
88 | fi]) | ||
89 | LD="$acl_cv_path_LD" | ||
90 | if test -n "$LD"; then | ||
91 | AC_MSG_RESULT($LD) | ||
92 | else | ||
93 | AC_MSG_RESULT(no) | ||
94 | fi | ||
95 | test -z "$LD" && AC_MSG_ERROR([no acceptable ld found in \$PATH]) | ||
96 | AC_LIB_PROG_LD_GNU | ||
97 | ]) | ||