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Simplify RELRO_LDFLAGS

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by adding it to AM_LDFLAGS instead of every linking rule and
by avoiding a forked grep.
This commit is contained in:
Guido Günther 2013-08-20 11:20:46 +02:00
parent 398de14734
commit d9527b6d56
4 changed files with 26 additions and 20 deletions
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4
daemon/Makefile.am
View File

@ -125,9 +125,11 @@ libvirtd_CFLAGS = \
-DQEMUD_PID_FILE="\"$(QEMUD_PID_FILE)\""
libvirtd_LDFLAGS = \
$(RELRO_LDFLAGS) \
$(PIE_LDFLAGS) \
$(RELRO_LDFLAGS) \
$(COVERAGE_LDFLAGS)
$(COVERAGE_LDFLAGS) \
$(NULL)
libvirtd_LDADD = \
$(LIBXML_LIBS) \

11
m4/virt-linker-relro.m4
View File

@ -22,10 +22,13 @@ AC_DEFUN([LIBVIRT_LINKER_RELRO],[
AC_MSG_CHECKING([for how to force completely read-only GOT table])
RELRO_LDFLAGS=
`$LD --help 2>&1 | grep -- "-z relro" >/dev/null` && \
RELRO_LDFLAGS="-Wl,-z -Wl,relro"
`$LD --help 2>&1 | grep -- "-z now" >/dev/null` && \
RELRO_LDFLAGS="$RELRO_LDFLAGS -Wl,-z -Wl,now"
ld_help=`$LD --help 2>&1`
case $ld_help in
*"-z relro"*) RELRO_LDFLAGS="-Wl,-z -Wl,relro" ;;
esac
case $ld_help in
*"-z now"*) RELRO_LDFLAGS="$RELRO_LDFLAGS -Wl,-z -Wl,now" ;;
esac
AC_SUBST([RELRO_LDFLAGS])
AC_MSG_RESULT([$RELRO_LDFLAGS])

13
src/Makefile.am
View File

@ -33,7 +33,9 @@ AM_CFLAGS = $(LIBXML_CFLAGS) \
$(WIN32_EXTRA_CFLAGS) \
$(COVERAGE_CFLAGS)
AM_LDFLAGS = $(DRIVER_MODULE_LDFLAGS) \
$(COVERAGE_LDFLAGS)
$(COVERAGE_LDFLAGS) \
$(RELRO_LDFLAGS) \
$(NULL)
EXTRA_DIST = $(conf_DATA) util/keymaps.csv
@ -1812,7 +1814,6 @@ libvirt_la_LDFLAGS = \
-version-info $(LIBVIRT_VERSION_INFO) \
$(LIBVIRT_NODELETE) \
$(AM_LDFLAGS) \
$(RELRO_LDFLAGS) \
$(CYGWIN_EXTRA_LDFLAGS) \
$(MINGW_EXTRA_LDFLAGS) \
$(NULL)
@ -1896,7 +1897,6 @@ libvirt_qemu_la_LDFLAGS = \
$(VERSION_SCRIPT_FLAGS)$(LIBVIRT_QEMU_SYMBOL_FILE) \
-version-info $(LIBVIRT_VERSION_INFO) \
$(AM_LDFLAGS) \
$(RELRO_LDFLAGS) \
$(CYGWIN_EXTRA_LDFLAGS) \
$(MINGW_EXTRA_LDFLAGS) \
$(NULL)
@ -1908,7 +1908,6 @@ libvirt_lxc_la_LDFLAGS = \
$(VERSION_SCRIPT_FLAGS)$(LIBVIRT_LXC_SYMBOL_FILE) \
-version-info $(LIBVIRT_VERSION_INFO) \
$(AM_LDFLAGS) \
$(RELRO_LDFLAGS) \
$(CYGWIN_EXTRA_LDFLAGS) \
$(MINGW_EXTRA_LDFLAGS) \
$(NULL)
@ -1964,7 +1963,6 @@ virtlockd_CFLAGS = \
virtlockd_LDFLAGS = \
$(AM_LDFLAGS) \
$(PIE_LDFLAGS) \
$(RELRO_LDFLAGS) \
$(CYGWIN_EXTRA_LDFLAGS) \
$(MINGW_EXTRA_LDFLAGS) \
$(NULL)
@ -2243,7 +2241,6 @@ libvirt_iohelper_SOURCES = $(UTIL_IO_HELPER_SOURCES)
libvirt_iohelper_LDFLAGS = \
$(AM_LDFLAGS) \
$(PIE_LDFLAGS) \
$(RELRO_LDFLAGS) \
$(NULL)
libvirt_iohelper_LDADD = \
libvirt_util.la \
@ -2266,7 +2263,6 @@ libvirt_parthelper_SOURCES = $(STORAGE_HELPER_DISK_SOURCES)
libvirt_parthelper_LDFLAGS = \
$(AM_LDFLAGS) \
$(PIE_LDFLAGS) \
$(RELRO_LDFLAGS) \
$(NULL)
libvirt_parthelper_LDADD = \
$(LIBPARTED_LIBS) \
@ -2298,7 +2294,6 @@ libvirt_sanlock_helper_CFLAGS = \
libvirt_sanlock_helper_LDFLAGS = \
$(AM_LDFLAGS) \
$(PIE_LDFLAGS) \
$(RELRO_LDFLAGS) \
$(NULL)
libvirt_sanlock_helper_LDADD = libvirt.la
endif
@ -2314,7 +2309,6 @@ libvirt_lxc_SOURCES = \
libvirt_lxc_LDFLAGS = \
$(AM_LDFLAGS) \
$(PIE_LDFLAGS) \
$(RELRO_LDFLAGS) \
$(NULL)
libvirt_lxc_LDADD = \
$(FUSE_LIBS) \
@ -2358,7 +2352,6 @@ virt_aa_helper_SOURCES = $(SECURITY_DRIVER_APPARMOR_HELPER_SOURCES)
virt_aa_helper_LDFLAGS = \
$(AM_LDFLAGS) \
$(PIE_LDFLAGS) \
$(RELRO_LDFLAGS) \
$(NULL)
virt_aa_helper_LDADD = \
libvirt_conf.la \

18
tools/Makefile.am
View File

@ -22,6 +22,10 @@ INCLUDES = \
-I$(top_srcdir) \
$(GETTEXT_CPPFLAGS)
AM_LDFLAGS = \
$(RELRO_LDFLAGS) \
$(NULL)
POD2MAN = pod2man -c "Virtualization Support" -r "$(PACKAGE)-$(VERSION)"
ICON_FILES = \
@ -120,8 +124,8 @@ virt_host_validate_SOURCES = \
$(NULL)
virt_host_validate_LDFLAGS = \
$(AM_LDFLAGS) \
$(PIE_LDFLAGS) \
$(RELRO_LDFLAGS) \
$(COVERAGE_LDFLAGS) \
$(NULL)
@ -139,11 +143,13 @@ virt_host_validate_CFLAGS = \
virt_login_shell_SOURCES = \
virt-login-shell.c
virt_login_shell_LDFLAGS = $(COVERAGE_LDFLAGS)
virt_login_shell_LDFLAGS = \
$(AM_LDFLAGS) \
$(COVERAGE_LDFLAGS) \
$(NULL)
virt_login_shell_LDADD = \
$(STATIC_BINARIES) \
$(PIE_LDFLAGS) \
$(RELRO_LDFLAGS) \
../src/libvirt.la \
../src/libvirt-lxc.la \
../gnulib/lib/libgnu.la
@ -169,11 +175,13 @@ virsh_SOURCES = \
virsh-volume.c virsh-volume.h \
$(NULL)
virsh_LDFLAGS = $(COVERAGE_LDFLAGS)
virsh_LDFLAGS = \
$(AM_LDFLAGS) \
$(COVERAGE_LDFLAGS) \
$(NULL)
virsh_LDADD = \
$(STATIC_BINARIES) \
$(PIE_LDFLAGS) \
$(RELRO_LDFLAGS) \
../src/libvirt.la \
../src/libvirt-lxc.la \
../src/libvirt-qemu.la \