![Ricardo Martincoski](/assets/img/avatar_default.png)
Patch files 0001 to 0005 were rebased. Signed-off-by: Ricardo Martincoski <ricardo.martincoski@gmail.com> Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
55 lines
1.6 KiB
Diff
55 lines
1.6 KiB
Diff
From: Maarten ter Huurne <maarten@treewalker.org>
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Date: Sun, 14 Sep 2014 11:16:58 +0200
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Subject: Avoid mis-identifying systems as SVR4
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My openSUSE 13.1 Linux system was detected as SVR4 because it had
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libelf installed. This leads to linking with libelf, even though no
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symbols from that library were actually used, and to a workaround for
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a buggy getlogin() being enabled.
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It is not documented which exact SVR4 system had the bug that the
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workaround was added for, so all I could do is make an educated guess
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at the #defines its compiler would be likely to set.
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Signed-off-by: Maarten ter Huurne <maarten@treewalker.org>
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[Ricardo: rebase on top of 4.3.1]
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Signed-off-by: Ricardo Martincoski <ricardo.martincoski@gmail.com>
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---
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configure.ac | 14 ++++++++++++--
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1 file changed, 12 insertions(+), 2 deletions(-)
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diff --git a/configure.ac b/configure.ac
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index 9cf7cee..e09e4cf 100644
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--- a/configure.ac
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+++ b/configure.ac
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@@ -179,14 +179,24 @@ AC_EGREP_CPP(yes,
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#endif
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], LIBS="$LIBS -lsocket -linet";seqptx=1)
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+AC_CHECKING(SVR4)
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+AC_EGREP_CPP(yes,
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+[main () {
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+#if defined(SVR4) || defined(__SVR4)
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+ yes;
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+#endif
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+], AC_NOTE(- you have a SVR4 system) AC_DEFINE(SVR4) svr4=1)
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+if test -n "$svr4" ; then
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oldlibs="$LIBS"
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LIBS="$LIBS -lelf"
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AC_CHECKING(SVR4)
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AC_TRY_LINK([#include <utmpx.h>
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],,
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-[AC_CHECK_HEADER(dwarf.h, AC_DEFINE(SVR4) AC_DEFINE(BUGGYGETLOGIN),
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-[AC_CHECK_HEADER(elf.h, AC_DEFINE(SVR4) AC_DEFINE(BUGGYGETLOGIN))])]
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+[AC_CHECK_HEADER(dwarf.h, AC_DEFINE(BUGGYGETLOGIN),
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+[AC_CHECK_HEADER(elf.h, AC_DEFINE(BUGGYGETLOGIN))])]
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,LIBS="$oldlibs")
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+fi
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+
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AC_CHECK_HEADERS([stropts.h string.h strings.h])
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AC_CHECKING(for Solaris 2.x)
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--
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1.8.4.5
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