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util-linux: build schedutils without enabling basic binaries
Pull an upstream fix to allow building schedutils (ionice, taskset, chrt) when util-linux is configured with $ configure --disable-all-programs --enable-schedutils Fixes: https://bugs.busybox.net/show_bug.cgi?id=9656 Reported-by: Aaron Holtzman <aholtzma@gmail.com> Signed-off-by: Carlos Santos <casantos@datacom.ind.br> Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
This commit is contained in:
Carlos Santos
Thomas Petazzoni
parent
3fdab1a070
commit
125213d616
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From 6f2eb03433bcb2d3c351efed848a1f8554a7ff78 Mon Sep 17 00:00:00 2001
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From: Karel Zak <kzak@redhat.com>
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Date: Mon, 20 Feb 2017 14:17:37 +0100
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Subject: [PATCH] build-sys: fix --disable-all-programs --enable-schedutils
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* add UL_ENABLE_ALIAS(NAME, MASTERNAME) to initialize $enable_<name>
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according to MASTERNAME. Note that we have to use $build_<mastername>,
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the $enable_<mastername> is just AC_ARG_ENABLE() stuff only. The
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$build_ is evaluated and modified by our UL_...() functions.
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* add enable-schedutils.conf to have build-system regression test for
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this use-case
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Addresses: https://github.com/karelzak/util-linux/issues/415
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Signed-off-by: Karel Zak <kzak@redhat.com>
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---
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configure.ac | 14 ++++++++------
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m4/ul.m4 | 15 +++++++++++++++
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tools/config-gen.d/enable-schedutils.conf | 3 +++
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3 files changed, 26 insertions(+), 6 deletions(-)
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create mode 100644 tools/config-gen.d/enable-schedutils.conf
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diff --git a/configure.ac b/configure.ac
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index ad241fe..be282f0 100644
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--- a/configure.ac
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+++ b/configure.ac
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@@ -1909,8 +1909,9 @@ AC_ARG_ENABLE([schedutils],
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)
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UL_BUILD_INIT([schedutils])
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-UL_BUILD_INIT([ionice], [check])
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-UL_REQUIRES_BUILD([ionice], [schedutils])
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+
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+UL_ENABLE_ALIAS([ionice], [schedutils])
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+UL_BUILD_INIT([ionice])
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UL_REQUIRES_SYSCALL_CHECK([ionice],
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[UL_CHECK_SYSCALL([ioprio_set],
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[alpha], [442],
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@@ -1937,8 +1938,9 @@ UL_REQUIRES_SYSCALL_CHECK([ionice],
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AM_CONDITIONAL([BUILD_IONICE], [test "x$build_ionice" = xyes])
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-UL_BUILD_INIT([taskset], [check])
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-UL_REQUIRES_BUILD([taskset], [schedutils])
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+
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+UL_ENABLE_ALIAS([taskset], [schedutils])
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+UL_BUILD_INIT([taskset])
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UL_REQUIRES_HAVE([taskset], [cpu_set_t], [cpu_set_t type])
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UL_REQUIRES_SYSCALL_CHECK([taskset],
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[UL_CHECK_SYSCALL([sched_getaffinity])],
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@@ -1950,8 +1952,8 @@ have_schedsetter=no
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AS_IF([test "x$ac_cv_func_sched_setscheduler" = xyes], [have_schedsetter=yes],
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[test "x$ac_cv_func_sched_setattr" = xyes], [have_schedsetter=yes])
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-UL_BUILD_INIT([chrt], [check])
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-UL_REQUIRES_BUILD([chrt], [schedutils])
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+UL_ENABLE_ALIAS([chrt], [schedutils])
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+UL_BUILD_INIT([chrt])
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UL_REQUIRES_HAVE([chrt], [schedsetter], [sched_set functions])
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AM_CONDITIONAL([BUILD_CHRT], [test "x$build_chrt" = xyes])
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diff --git a/m4/ul.m4 b/m4/ul.m4
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index f8a0dd7..ed7227c 100644
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--- a/m4/ul.m4
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+++ b/m4/ul.m4
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@@ -429,6 +429,21 @@ AC_DEFUN([UL_DEFAULT_ENABLE], [
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fi
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])
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+
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+dnl UL_ENABLE_ALIAS(NAME, MASTERNAME)
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+dnl
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+dnl Initializes $enable_<name> variable according to $build_<mastername>. This
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+dnl is usefull for example if you want to use one --enable-mastername option
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+dnl for group of programs.
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+dnl
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+AC_DEFUN([UL_ENABLE_ALIAS], [
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+ m4_define([suffix], $1)
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+ m4_define([mastersuffix], $2)
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+
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+ enable_[]suffix=$build_[]mastersuffix
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+])
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+
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+
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dnl UL_NCURSES_CHECK(NAME)
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dnl
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dnl Initializes $have_<name>, NCURSES_LIBS and NCURSES_CFLAGS variables according to
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diff --git a/tools/config-gen.d/enable-schedutils.conf b/tools/config-gen.d/enable-schedutils.conf
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new file mode 100644
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index 0000000..08deee4
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--- /dev/null
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+++ b/tools/config-gen.d/enable-schedutils.conf
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@@ -0,0 +1,3 @@
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+include:disable-all.conf
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+
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+--enable-schedutils
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--
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2.7.4
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@ -8,8 +8,8 @@ UTIL_LINUX_VERSION_MAJOR = 2.29
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UTIL_LINUX_VERSION = $(UTIL_LINUX_VERSION_MAJOR).1
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UTIL_LINUX_VERSION = $(UTIL_LINUX_VERSION_MAJOR).1
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UTIL_LINUX_SOURCE = util-linux-$(UTIL_LINUX_VERSION).tar.xz
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UTIL_LINUX_SOURCE = util-linux-$(UTIL_LINUX_VERSION).tar.xz
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UTIL_LINUX_SITE = $(BR2_KERNEL_MIRROR)/linux/utils/util-linux/v$(UTIL_LINUX_VERSION_MAJOR)
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UTIL_LINUX_SITE = $(BR2_KERNEL_MIRROR)/linux/utils/util-linux/v$(UTIL_LINUX_VERSION_MAJOR)
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# For 0001-build-sys-use-lm-for-scriptreplay-if-necessary.patch and
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# 0002-build-sys-improve-detection-of-the-isnan-function-in.patch
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# Required because of the patches for configure.ac.
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UTIL_LINUX_AUTORECONF = YES
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UTIL_LINUX_AUTORECONF = YES
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# README.licensing claims that some files are GPLv2-only, but this is not true.
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# README.licensing claims that some files are GPLv2-only, but this is not true.
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