gcc/config/bootstrap-lto-noplugin.mk

# This option enables LTO for stage2 and stage3 on
# hosts without linker plugin support.

STAGE2_CFLAGS += -flto=jobserver -frandom-seed=1 -ffat-lto-objects
STAGE3_CFLAGS += -flto=jobserver -frandom-seed=1 -ffat-lto-objects
STAGEprofile_CFLAGS += -flto=jobserver -frandom-seed=1
STAGEtrain_CFLAGS += -flto=jobserver -frandom-seed=1
STAGEfeedback_CFLAGS += -flto=jobserver -frandom-seed=1
do-compare = /bin/true
re PR bootstrap/65537 (--with-build-config=bootstrap-lto fails on CentOS 5.11) config/ChangeLog: PR bootstrap/65537 * bootstrap-lto-noplugin.mk: New build configuration. gcc/ChangeLog: PR bootstrap/65537 * doc/install.texi (Building a native compiler): Document new bootstrap-lto-noplugin configuration. Mention that bootstrap-lto configuration assumes that the host supports the linker plugin. From-SVN: r221667 2015-03-25 17:01:36 +01:00			`# This option enables LTO for stage2 and stage3 on`
			`# hosts without linker plugin support.`

			`STAGE2_CFLAGS += -flto=jobserver -frandom-seed=1 -ffat-lto-objects`
			`STAGE3_CFLAGS += -flto=jobserver -frandom-seed=1 -ffat-lto-objects`
Enable -flto in all PGO stages for bootstrap-lto-{,noplugin}.mk. 2017-06-19 Martin Liska <mliska@suse.cz> * bootstrap-lto-noplugin.mk: Enable -flto in all PGO stages. * bootstrap-lto.mk: Likewise. From-SVN: r249367 2017-06-19 15:20:20 +02:00			`STAGEprofile_CFLAGS += -flto=jobserver -frandom-seed=1`
			`STAGEtrain_CFLAGS += -flto=jobserver -frandom-seed=1`
			`STAGEfeedback_CFLAGS += -flto=jobserver -frandom-seed=1`
re PR bootstrap/85571 (non-bootstrap-debug miscompare with trunk) 2018-05-08 Richard Biener <rguenther@suse.de> PR bootstrap/85571 config/ * bootstrap-lto-noplugin.mk: Disable compare. * bootstrap-lto.mk: Supply contrib/compare-lto for do-compare. contrib/ * compare-lto: New script derived from compare-debug. From-SVN: r260026 2018-05-08 10:50:33 +02:00			`do-compare = /bin/true`