Subzero: Build with function/data sections and -gc-sections.

This is consistent with how LLVM is built, and makes it easier to analyze the potential size of a translator build and what may be inappropriately brought into the build. BUG= none R=kschimpf@google.com Review URL: https://codereview.chromium.org/783023002

Subzero: Build with function/data sections and -gc-sections.
a49e9d9c · Jim Stichnoth · 586d4c23 · a49e9d9c
Commit a49e9d9c authored Dec 07, 2014 by Jim Stichnoth
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Makefile.standalone Makefile.standalone +2 -2

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--- a/Makefile.standalone
+++ b/Makefile.standalone
@@ -42,7 +42,7 @@ ifdef DEBUG
  OPTLEVEL = -O0
 else
  OBJDIR = build/Release
-  OPTLEVEL = -O2
+  OPTLEVEL = -O2 -ffunction-sections -fdata-sections
 endif

 # The list of CXX defines that are dependent on build parameters.
@@ -86,7 +86,7 @@ CXXFLAGS := $(LLVM_CXXFLAGS) -std=c++11 -Wall -Wextra -Werror -fno-rtti \
 	-fno-exceptions $(OPTLEVEL) $(ASSERTIONS) $(CXX_DEFINES) -g \
 	$(HOST_FLAGS) -Wno-error=unused-parameter \
 	-I$(LIBCXX_INSTALL_PATH)/include/c++/v1
-LDFLAGS := $(HOST_FLAGS) -L$(LIBCXX_INSTALL_PATH)/lib
+LDFLAGS := $(HOST_FLAGS) -L$(LIBCXX_INSTALL_PATH)/lib -Wl,--gc-sections

 SRCS = \
 	assembler.cpp \