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systemd: disable link time optimization

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As reported in https://bugs.busybox.net/show_bug.cgi?id=7286,
systemd fails to build with BR2_OPTIMIZE_2=y. This mode activates the GCC
options -flto and -ffat-lto-objects, which do not mix well with the GCC
tricks used in src/compat-libs/linkwarning.h to build the compatibility
libraries.

As a temporary workaround, this patch disables link time optimization for
systemd.

Signed-off-by: Eric Le Bihan <eric.le.bihan.dev@free.fr>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
This commit is contained in:
Eric Le Bihan 2014-08-12 22:28:27 +02:00 committed by Thomas Petazzoni
parent c0da68a90c
commit d9054017cf
1 changed files with 3 additions and 0 deletions
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3
package/systemd/systemd.mk
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@ -49,8 +49,11 @@ SYSTEMD_CONF_OPT += \
--disable-dbus \
--without-python
SYSTEMD_CFLAGS = $(TARGET_CFLAGS) -fno-lto
# Override path to kmod, used in kmod-static-nodes.service
SYSTEMD_CONF_ENV = \
CFLAGS="$(SYSTEMD_CFLAGS)" \
ac_cv_path_KMOD=/usr/bin/kmod
ifeq ($(BR2_PACKAGE_SYSTEMD_COMPAT),y)