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Subject: Problem with line splitting output from func_emit_wrapper
Date: Sun, 11 Jan 2015 06:14:26 -0500
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--Apple-Mail=_50077D61-3F85-49F5-B45C-E6769555EDB2
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I am attempting to cross-compile the standard jpeg source, =
http://www.ijg.org <http://www.ijg.org/>, with mingw-w64 on OS X. The =
build fails because executables wrapped by libtool do not compile. The =
jpeg source comes with an ltmain.sh script produced by libtool version =
2.4.2 . I happen to have libtool 2.4 installed, and I was able to build =
the project by running libtoolize, which generated an ltmain.sh from my =
older version. I tracked the issue down to a change in a sed command in =
ltmain.sh that splits long lines in the output of func_emit_wrapper() to =
make the output suitable for all compilers. This list thread lead to the =
following patch:
http://lists.gnu.org/archive/html/bug-libtool/2010-10/msg00000.html =
<http://lists.gnu.org/archive/html/bug-libtool/2010-10/msg00000.html>
=
http://git.savannah.gnu.org/cgit/libtool.git/commit/libltdl/config/ltmain.=
m4sh?id=3Dc161010e9deec544410a3e91d105d07ed9ec9911 =
<http://git.savannah.gnu.org/cgit/libtool.git/commit/libltdl/config/ltmain=
.m4sh?id=3Dc161010e9deec544410a3e91d105d07ed9ec9911>
To save having to click the link, the commit is:
diff --git a/libltdl/config/ltmain.m4sh b/libltdl/config/ltmain.m4sh
index 0418007..1078e75 100644
--- a/libltdl/config/ltmain.m4sh
+++ b/libltdl/config/ltmain.m4sh
@@ -4268,9 +4268,15 @@ void lt_dump_script (FILE* f)
{
EOF
func_emit_wrapper yes |
- $SED -e 's/\([\\"]\)/\\\1/g' \
- -e 's/^/ fputs ("/' -e 's/$/\\n", f);/'
-
+ $SED -n -e '
+s/^\(.\{79\}\)\(..*\)/\1\
+\2/
+h
+s/\([\\"]\)/\\\1/g
+s/$/\\n/
+s/\([^\n]*\).*/ fputs ("\1", f);/p
+g
+D'
cat <<"EOF"
}
EOF
OS X=E2=80=99s sed is not GNU sed, is older, and doesn=E2=80=99t support =
many of GNU sed=E2=80=99s extensions. I could install GNU sed to resolve =
this, but I=E2=80=99m curious, is the sed command not POSIX compliant, =
or is OS X=E2=80=99s sed not POSIX compliant? Am I correct to think =
POSIX compliance is a goal of autotools?
Thanks,
Aaron
--Apple-Mail=_50077D61-3F85-49F5-B45C-E6769555EDB2
Content-Transfer-Encoding: quoted-printable
Content-Type: text/html;
charset=utf-8
<html><head><meta http-equiv=3D"Content-Type" content=3D"text/html =
charset=3Dutf-8"></head><body style=3D"word-wrap: break-word; =
-webkit-nbsp-mode: space; -webkit-line-break: after-white-space;" =
class=3D""><div><div style=3D"word-wrap: break-word; -webkit-nbsp-mode: =
space; -webkit-line-break: after-white-space;" class=3D""><div =
class=3D"">I am attempting to cross-compile the standard jpeg =
source, <a href=3D"http://www.ijg.org/" =
class=3D"">http://www.ijg.org</a>, with mingw-w64 on OS X. The build =
fails because executables wrapped by libtool do not compile. The jpeg =
source comes with an ltmain.sh script produced by libtool version =
2.4.2 . I happen to have libtool 2.4 installed, and I was able to build =
the project by running libtoolize, which generated an ltmain.sh from my =
older version. I tracked the issue down to a change in a sed command in =
ltmain.sh that splits long lines in the output =
of func_emit_wrapper() to make the output suitable for all =
compilers. This list thread lead to the following patch:</div><div =
class=3D""><br class=3D""></div><div class=3D""><div class=3D""><a =
href=3D"http://lists.gnu.org/archive/html/bug-libtool/2010-10/msg00000.htm=
l" =
class=3D"">http://lists.gnu.org/archive/html/bug-libtool/2010-10/msg00000.=
html</a></div><div class=3D""><a =
href=3D"http://git.savannah.gnu.org/cgit/libtool.git/commit/libltdl/config=
/ltmain.m4sh?id=3Dc161010e9deec544410a3e91d105d07ed9ec9911" =
class=3D"">http://git.savannah.gnu.org/cgit/libtool.git/commit/libltdl/con=
fig/ltmain.m4sh?id=3Dc161010e9deec544410a3e91d105d07ed9ec9911</a></div></d=
iv><div class=3D""><br class=3D""></div><div class=3D"">To save having =
to click the link, the commit is:</div><div class=3D""><br =
class=3D""></div><div class=3D""><br class=3D"">diff --git =
a/libltdl/config/ltmain.m4sh b/libltdl/config/ltmain.m4sh<br =
class=3D"">index 0418007..1078e75 100644<br class=3D"">--- =
a/libltdl/config/ltmain.m4sh<br class=3D"">+++ =
b/libltdl/config/ltmain.m4sh<br class=3D"">@@ -4268,9 +4268,15 @@ void =
lt_dump_script (FILE* f)<br class=3D""> {<br class=3D""> EOF<br =
class=3D""> <span class=3D"Apple-tab-span" style=3D"white-space:pre">=
</span> func_emit_wrapper yes |<br class=3D"">- =
$SED -e =
's/\([\\"]\)/\\\1/g' \<br class=3D"">-<span class=3D"Apple-tab-span" =
style=3D"white-space:pre"> </span> =
-e 's/^/ fputs ("/' -e 's/$/\\n", f);/'<br class=3D"">-<br =
class=3D"">+<span class=3D"Apple-tab-span" style=3D"white-space:pre"> =
</span> $SED -n -e '<br =
class=3D"">+s/^\(.\{79\}\)\(..*\)/\1\<br class=3D"">+\2/<br =
class=3D"">+h<br class=3D"">+s/\([\\"]\)/\\\1/g<br class=3D"">+s/$/\\n/<br=
class=3D"">+s/\([^\n]*\).*/ fputs ("\1", f);/p<br class=3D"">+g<br =
class=3D"">+D'<br class=3D""> =
cat <<"EOF"<br class=3D""> }<br =
class=3D""> EOF</div><div class=3D""><br class=3D""></div><div =
class=3D"">OS X=E2=80=99s sed is not GNU sed, is older, and doesn=E2=80=99=
t support many of GNU sed=E2=80=99s extensions. I could install GNU sed =
to resolve this, but I=E2=80=99m curious, is the sed command not POSIX =
compliant, or is OS X=E2=80=99s sed not POSIX compliant? Am I correct to =
think POSIX compliance is a goal of autotools?</div><div class=3D""><br =
class=3D""></div><div class=3D"">Thanks,</div><div class=3D""><br =
class=3D""></div><div class=3D"">Aaron</div><div class=3D""><br =
class=3D""></div></div></div><br class=3D""></body></html>=
--Apple-Mail=_50077D61-3F85-49F5-B45C-E6769555EDB2--
Aaron Burghardt <aaron.burghardt@HIDDEN>:bug-libtool@HIDDEN.
Full text available.bug-libtool@HIDDEN:bug#19569; Package libtool.
Full text available.
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