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-rw-r--r--Makefile.in23
1 files changed, 19 insertions, 4 deletions
diff --git a/Makefile.in b/Makefile.in
index 3dce72ba78..3289f1d86b 100644
--- a/Makefile.in
+++ b/Makefile.in
@@ -316,6 +316,7 @@ endif
# The steps to build a working system are:
# * build an emulator
# * setup the erl and erlc program in bootstrap/bin
+# * optionally run pgo and build optimized emulator
# * build additional compilers and copy them into bootstrap/lib
# * use the bootstrap erl and erlc to build all the libs
#
@@ -396,7 +397,7 @@ else
endif
cd $(ERL_TOP)/erts && \
ERL_TOP=$(ERL_TOP) PATH=$(INST_PATH_PREFIX)"$${PATH}" \
- $(MAKE) BUILD_ALL=1 TESTROOT="$(RELEASE_ROOT)" release
+ $(MAKE) BUILD_ALL=1 PROFILE=$(PROFILE) TESTROOT="$(RELEASE_ROOT)" release
ifeq ($(RELEASE_ROOT),)
$(INSTALL_DATA) "$(ERL_TOP)/OTP_VERSION" "$(OTP_DEFAULT_RELEASE_PATH)/releases/@OTP_REL@"
else
@@ -450,10 +451,24 @@ BOOT_BINDIR=$(BOOTSTRAP_ROOT)/bootstrap/erts/bin
BEAM_EVM=$(ERL_TOP)/bin/$(TARGET)/beam_evm
BOOTSTRAP_COMPILER = $(BOOTSTRAP_TOP)/primary_compiler
+# otp.mk is only used to figure out if we are doing PGO or not
+include $(ERL_TOP)/make/$(TARGET)/otp.mk
+
.PHONY: emulator libs kernel stdlib compiler hipe syntax_tools preloaded
-emulator:
- $(make_verbose)cd erts && ERL_TOP=$(ERL_TOP) $(MAKE) NO_START_SCRIPTS=true $(TYPE) FLAVOR=$(FLAVOR)
+ifeq ($(USE_PGO), true)
+PROFILE=use
+PROFILE_EMU_DEPS=emulator_profile_generate bootstrap_setup
+emulator_profile_generate:
+ $(make_verbose)cd erts && ERL_TOP=$(ERL_TOP) $(MAKE) NO_START_SCRIPTS=true $(TYPE) FLAVOR=$(FLAVOR) PROFILE=generate
+else
+PROFILE=
+PROFILE_EMU_DEPS=
+endif
+
+emulator: $(PROFILE_EMU_DEPS)
+ $(make_verbose)cd erts && ERL_TOP=$(ERL_TOP) PATH=$(BOOT_PREFIX)"$${PATH}" \
+ $(MAKE) NO_START_SCRIPTS=true $(TYPE) FLAVOR=$(FLAVOR) PROFILE=$(PROFILE)
libs:
ifeq ($(OTP_SMALL_BUILD),true)
@@ -1019,7 +1034,7 @@ install-docs:
install.emulator:
cd erts && \
ERL_TOP=$(ERL_TOP) PATH=$(INST_PATH_PREFIX)"$${PATH}" \
- $(MAKE) TESTROOT="$(ERLANG_LIBDIR)" release
+ $(MAKE) PROFILE=$(PROFILE) TESTROOT="$(ERLANG_LIBDIR)" release
install.libs:
ifeq ($(OTP_SMALL_BUILD),true)