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| author | H.J. Lu <hjl.tools@gmail.com> | 2015-03-16 08:34:23 -0700 |
|---|---|---|
| committer | H.J. Lu <hjl.tools@gmail.com> | 2015-03-16 08:34:23 -0700 |
| commit | 8869a24691490e5cb47045c1d732a27ea8408a2e (patch) | |
| tree | 4c5838d1b2a5144a711a6153a15b77a240de793b /config/bootstrap-lto.mk | |
| parent | 100d311943b10e9dba1685fbc95f08b9d7226ee9 (diff) | |
| download | gdb-8869a24691490e5cb47045c1d732a27ea8408a2e.zip gdb-8869a24691490e5cb47045c1d732a27ea8408a2e.tar.gz gdb-8869a24691490e5cb47045c1d732a27ea8408a2e.tar.bz2 | |
Sync bootstrap-asan.mk/bootstrap-lto.mk with GCC tree
* bootstrap-asan.mk: Sync with GCC tree.
* bootstrap-lto.mk: Likewise.
Diffstat (limited to 'config/bootstrap-lto.mk')
| -rw-r--r-- | config/bootstrap-lto.mk | 16 |
1 files changed, 11 insertions, 5 deletions
diff --git a/config/bootstrap-lto.mk b/config/bootstrap-lto.mk index 27bad15..9e065e1 100644 --- a/config/bootstrap-lto.mk +++ b/config/bootstrap-lto.mk @@ -1,7 +1,13 @@ -# This option enables LTO for stage2 and stage3. -# FIXME: Our build system is not yet able to use gcc-ar wrapper, so we need -# to go with -ffat-lto-objects. +# This option enables LTO for stage2 and stage3 in slim mode -STAGE2_CFLAGS += -flto=jobserver -frandom-seed=1 -ffat-lto-objects -STAGE3_CFLAGS += -flto=jobserver -frandom-seed=1 -ffat-lto-objects +STAGE2_CFLAGS += -flto=jobserver -frandom-seed=1 +STAGE3_CFLAGS += -flto=jobserver -frandom-seed=1 STAGEprofile_CFLAGS += -fno-lto + +# assumes the host supports the linker plugin +LTO_AR = $$r/$(HOST_SUBDIR)/prev-gcc/gcc-ar$(exeext) -B$$r/$(HOST_SUBDIR)/prev-gcc/ +LTO_RANLIB = $$r/$(HOST_SUBDIR)/prev-gcc/gcc-ranlib$(exeext) -B$$r/$(HOST_SUBDIR)/prev-gcc/ + +LTO_EXPORTS = AR="$(LTO_AR)"; export AR; \ + RANLIB="$(LTO_RANLIB)"; export RANLIB; +LTO_FLAGS_TO_PASS = AR="$(LTO_AR)" RANLIB="$(LTO_RANLIB)" |