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libusb: fix clock_gettime librt dependency check

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The detection of the librt dependency of clock_gettime in glibc before
2.17 is broken. We do not support glibc older than 2.17 for target, but
we still need to support hosts using old glibc. Add a patch fixing that.

Should fix (host-imx-usb-loader):
http://autobuild.buildroot.net/results/0a1/0a156449e5f38a6092ab9c88e3e3f5ea9abc0f03/
http://autobuild.buildroot.net/results/347/347f1b9bce2f0854e8ca6d49b9a9b3fa55de24b1/
http://autobuild.buildroot.net/results/f6a/f6a3a62909ccb500ca122ec3f03119d7706fb88a/

Cc: Adam Duskett <aduskett@gmail.com>
Signed-off-by: Baruch Siach <baruch@tkos.co.il>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>
This commit is contained in:
Baruch Siach 2018-06-05 14:42:10 +03:00 committed by Thomas Petazzoni
parent b8b78099f2
commit 231841fda1
2 changed files with 38 additions and 0 deletions
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36
package/libusb/0001-configure.ac-fix-detection-of-clock_gettime-library.patch Normal file
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@ -0,0 +1,36 @@
From 7cc67ed294ad8566f2877d6f71649f1bd36f69a4 Mon Sep 17 00:00:00 2001
From: Baruch Siach <baruch@tkos.co.il>
Date: Tue, 5 Jun 2018 14:22:21 +0300
Subject: [PATCH] configure.ac: fix detection of clock_gettime library
glibc before 2.17 requires link with librt for clock_gettime(). The
AC_SEARCH_LIBS check in configure.ac should detect this dependency.
Unfortunately commit cb77a25e51 (configure.ac: Remove obsolete AC_ERROR
and make formatting consistent) inadvertently renamed to clock_gettime2,
thus breaking librt detection.
Restore the correct clock_gettime() name.
Signed-off-by: Baruch Siach <baruch@tkos.co.il>
---
Upstream status: https://github.com/libusb/libusb/pull/439
configure.ac | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/configure.ac b/configure.ac
index 5b16c6825d4b..63590d1351a4 100644
--- a/configure.ac
+++ b/configure.ac
@@ -107,7 +107,7 @@ case $backend in
linux)
AC_DEFINE(OS_LINUX, 1, [Linux backend])
AC_SUBST(OS_LINUX)
- AC_SEARCH_LIBS([clock_gettime2], [rt], [], [], [-pthread])
+ AC_SEARCH_LIBS([clock_gettime], [rt], [], [], [-pthread])
AC_ARG_ENABLE([udev],
[AC_HELP_STRING([--enable-udev], [use udev for device enumeration and hotplug support (recommended) [default=yes]])],
[], [enable_udev=yes])
--
2.17.1

2
package/libusb/libusb.mk
View File

@ -12,6 +12,8 @@ LIBUSB_LICENSE = LGPL-2.1+
LIBUSB_LICENSE_FILES = COPYING
LIBUSB_DEPENDENCIES = host-pkgconf
LIBUSB_INSTALL_STAGING = YES
# Patching configure.ac
LIBUSB_AUTORECONF = YES
# Avoid the discovery of udev for the host variant
HOST_LIBUSB_CONF_OPTS = --disable-udev