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depends: enable lto support for Apple's ld64

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Note that this does not _enable_ lto by default in any way, only hooks up the
machinery for -flto to work correctly.

enable-lto-support is explicitly used for pinned-clang because we know it
works. It is neither enabled nor disabled in the external clang case so that
it can be auto-detected.
This commit is contained in:
Cory Fields 2020-07-15 20:46:14 +00:00
parent 1148f3d630
commit 00d1ba7aaa
1 changed files with 2 additions and 1 deletions
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3
depends/packages/native_cctools.mk
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@ -63,9 +63,10 @@ endef
endif
define $(package)_set_vars
$(package)_config_opts=--target=$(host) --disable-lto-support --with-libtapi=$($(package)_extract_dir)
$(package)_config_opts=--target=$(host) --with-libtapi=$($(package)_extract_dir)
$(package)_ldflags+=-Wl,-rpath=\\$$$$$$$$\$$$$$$$$ORIGIN/../lib
ifeq ($(strip $(FORCE_USE_SYSTEM_CLANG)),)
$(package)_config_opts+=--enable-lto-support --with-llvm-config=$($(package)_extract_dir)/toolchain/bin/llvm-config
$(package)_cc=$($(package)_extract_dir)/toolchain/bin/clang
$(package)_cxx=$($(package)_extract_dir)/toolchain/bin/clang++
else