URL:
<http://savannah.gnu.org/bugs/?28335>
Summary: [configure.ac] link error due to bad -Wl options
Project: GNU GRUB
Submitted by: gsutre
Submitted on: Fri 18 Dec 2009 01:22:21 PM GMT
Category: Configuration
Severity: Major
Priority: 5 - Normal
Item Group: Software Error
Status: None
Privacy: Public
Assigned to: None
Originator Name:
Originator Email:
Open/Closed: Open
Discussion Lock: Any
Release:
Release: Bazaar - trunk
Reproducibility: Every Time
Planned Release: None
_______________________________________________________
Details:
Hi,
In configure.ac, the definition TARGET_IMG_LDFLAGS_AC='-Wl,-N -Wl,-Ttext,'
leads to an error when configure is run within the pkgsrc framework
(http://www.pkgsrc.org/).
The following patch solves this problem (at least in my environment):
--- configure.ac.orig 2009-12-18 02:59:13.000000000 +0100
+++ configure.ac
@@ -325,7 +325,7 @@ if test -f "${srcdir}/conf/${target_cpu}
else
TARGET_IMG_LDSCRIPT=
TARGET_IMG_LDFLAGS='-Wl,-N -Wl,-Ttext,'
- TARGET_IMG_LDFLAGS_AC='-Wl,-N -Wl,-Ttext,'
+ TARGET_IMG_LDFLAGS_AC='-Wl,-N'
fi
TARGET_IMG_CFLAGS=
fi
Some details about the problem: the variable TARGET_IMG_LDFLAGS_AC is used in
the check that objcopy works for absolute addresses, and the following command
is issued by configure:
gcc [...] ${TARGET_IMG_LDFLAGS_AC} -Wl,-Ttext -Wl,$link_addr conftest.o -o
conftest.exec
which is expanded to:
gcc [...] -Wl,-N -Wl,-Ttext, -Wl,-Ttext -Wl,$link_addr conftest.o -o
conftest.exec
which, within pkgsrc, gets normalized to:
gcc [...] -Wl,-N -Wl,-Ttext -Wl,-Ttext -Wl,$link_addr conftest.o -o
conftest.exec
which gives the error:
ld: invalid hex number `-Ttext'
According to the pkgsrc mailing list [1], and this is consistent with gcc's
man page,
-Wl,-Ttext, -Wl,-Ttext
is semantically equivalent to
-Wl,-Text -Wl -Wl,-Text
and, indeed, gcc with the latter gives the same error (invalid hex number
`-Ttext').
[1] http://mail-index.netbsd.org/tech-pkg/2009/12/16/msg004521.html
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