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Check for --no-copy-dt-needed linker flag

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and use it when available
This commit is contained in:
Guido Günther 2013-08-13 13:49:05 +02:00
parent d9527b6d56
commit 3e2799add2
6 changed files with 37 additions and 0 deletions
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1
configure.ac
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@ -160,6 +160,7 @@ AC_MSG_RESULT([$VERSION_SCRIPT_FLAGS])
LIBVIRT_COMPILE_WARNINGS
LIBVIRT_COMPILE_PIE
LIBVIRT_LINKER_RELRO
LIBVIRT_LINKER_NO_INDIRECT
LIBVIRT_CHECK_APPARMOR
LIBVIRT_CHECK_ATTR

1
daemon/Makefile.am
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@ -129,6 +129,7 @@ libvirtd_LDFLAGS = \
$(PIE_LDFLAGS) \
$(RELRO_LDFLAGS) \
$(COVERAGE_LDFLAGS) \
$(NO_INDIRECT_LDFLAGS) \
$(NULL)
libvirtd_LDADD = \

32
m4/virt-linker-no-indirect.m4 Normal file
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@ -0,0 +1,32 @@
dnl
dnl Check for --no-copy-dt-needed-entries
dnl
dnl Copyright (C) 2013 Guido Günther <agx@sigxcpu.org>
dnl
dnl This library is free software; you can redistribute it and/or
dnl modify it under the terms of the GNU Lesser General Public
dnl License as published by the Free Software Foundation; either
dnl version 2.1 of the License, or (at your option) any later version.
dnl
dnl This library is distributed in the hope that it will be useful,
dnl but WITHOUT ANY WARRANTY; without even the implied warranty of
dnl MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
dnl Lesser General Public License for more details.
dnl
dnl You should have received a copy of the GNU Lesser General Public
dnl License along with this library. If not, see
dnl <http://www.gnu.org/licenses/>.
dnl
AC_DEFUN([LIBVIRT_LINKER_NO_INDIRECT],[
AC_MSG_CHECKING([for how to avoid indirect lib deps])
NO_INDIRECT_LDFLAGS=
case `$LD --help 2>&1` in
*"--no-copy-dt-needed-entries"*)
NO_INDIRECT_LDFLAGS="-Wl,--no-copy-dt-needed-entries" ;;
esac
AC_SUBST([NO_INDIRECT_LDFLAGS])
AC_MSG_RESULT([$NO_INDIRECT_LDFLAGS])
])

1
src/Makefile.am
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@ -35,6 +35,7 @@ AM_CFLAGS = $(LIBXML_CFLAGS) \
AM_LDFLAGS = $(DRIVER_MODULE_LDFLAGS) \
$(COVERAGE_LDFLAGS) \
$(RELRO_LDFLAGS) \
$(NO_INDIRECT_LDFLAGS) \
$(NULL)
EXTRA_DIST = $(conf_DATA) util/keymaps.csv

1
tests/Makefile.am
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@ -50,6 +50,7 @@ endif
LDADDS = \
$(WARN_CFLAGS) \
$(NO_INDIRECT_LDFLAGS) \
$(PROBES_O) \
../src/libvirt.la \
../gnulib/lib/libgnu.la

1
tools/Makefile.am
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@ -24,6 +24,7 @@ INCLUDES = \
AM_LDFLAGS = \
$(RELRO_LDFLAGS) \
$(NO_INDIRECT_LDFLAGS) \
$(NULL)
POD2MAN = pod2man -c "Virtualization Support" -r "$(PACKAGE)-$(VERSION)"