Date: Thu, 20 Apr 2017 21:00:09 +0000 (UTC) From: Dimitry Andric <dim@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r317215 - head/lib/clang Message-ID: <201704202100.v3KL0938093345@repo.freebsd.org>
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Author: dim Date: Thu Apr 20 21:00:09 2017 New Revision: 317215 URL: https://svnweb.freebsd.org/changeset/base/317215 Log: Add function and data sections when building llvm, clang, lld and lldb, and allow the linker to garbage collect them. This shaves off up to a few MB from the final executables. MFC after: 3 days Modified: head/lib/clang/llvm.build.mk Modified: head/lib/clang/llvm.build.mk ============================================================================== --- head/lib/clang/llvm.build.mk Thu Apr 20 21:00:04 2017 (r317214) +++ head/lib/clang/llvm.build.mk Thu Apr 20 21:00:09 2017 (r317215) @@ -40,6 +40,10 @@ CFLAGS+= -DLLVM_DEFAULT_TARGET_TRIPLE=\" CFLAGS+= -DLLVM_HOST_TRIPLE=\"${BUILD_TRIPLE}\" CFLAGS+= -DDEFAULT_SYSROOT=\"${TOOLS_PREFIX}\" +CFLAGS+= -ffunction-sections +CFLAGS+= -fdata-sections +LDFLAGS+= -Wl,--gc-sections + CXXFLAGS+= -std=c++11 CXXFLAGS+= -fno-exceptions CXXFLAGS+= -fno-rtti
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