[Buildroot] [PATCH] systemd: Build with LTO
Alexey Brodkin
alexey.brodkin at synopsys.com
Tue Oct 9 19:33:40 UTC 2018
Usage of LTO allows to shave off some size of the binaries.
For example libsystemd for Aarch64:
libsystemd.so.0.23.0-LTO - 467K
libsystemd.so.0.23.0-no-LTO - 523K
Build-tetsed for ARC and ARM, run-tested on ARC.
Prerequisite is fix for Meson:
https://patchwork.ozlabs.org/patch/981496/
Signed-off-by: Alexey Brodkin <abrodkin at synopsys.com>
Cc: Thomas Petazzoni <thomas.petazzoni at bootlin.com>
Cc: Yann E. MORIN <yann.morin.1998 at free.fr>
Cc: Peter Korsgaard <peter at korsgaard.com>
Cc: Romain Naour <romain.naour at gmail.com>
Cc: Jeremy Rosen <jeremy.rosen at smile.fr>
---
package/systemd/systemd.mk | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/package/systemd/systemd.mk b/package/systemd/systemd.mk
index 4813496670..ebd29c89b0 100644
--- a/package/systemd/systemd.mk
+++ b/package/systemd/systemd.mk
@@ -38,7 +38,8 @@ SYSTEMD_CONF_OPTS += \
-Dsulogin-path=/usr/sbin/sulogin \
-Dmount-path=/usr/bin/mount \
-Dumount-path=/usr/bin/umount \
- -Dnobody-group=nogroup
+ -Dnobody-group=nogroup \
+ -Db_lto=true
# disable unsupported features for non-glibc toolchains
ifeq ($(BR2_TOOLCHAIN_USES_GLIBC),y)
--
2.16.2
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