IABSD.fr/src/gnu/usr.bin/clang/Makefile.inc

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• Author : gkoehler
  Date : 2022-05-12 15:51:23
  Hash : db6423e4
  Message : Drop old powerpc flags from the build of clang Drop NOPIE_FLAGS = -fPIE and change CFLAGS on powerpc to be the same as on other arches. ok deraadt@ kettenis@

• gnu/usr.bin/clang/Makefile.inc

• # $OpenBSD: Makefile.inc,v 1.26 2022/05/12 15:51:23 gkoehler Exp $
  
  CLANG_SRCS?=	${.CURDIR}/../../../llvm/clang
  LLDB_SRCS?=	${.CURDIR}/../../../llvm/lldb
  LLD_SRCS?=	${.CURDIR}/../../../llvm/lld
  LLVM_SRCS?=	${.CURDIR}/../../../llvm/llvm
  
  .if ${COMPILER_VERSION:L} != "clang"
  CC=		clang
  CXX=		clang++
  .endif
  
  BOOTSTRAP_CLANG?=no
  .if ${BOOTSTRAP_CLANG} == "yes"
  CC=		egcc
  CXX=		eg++
  .endif
  
  DEBUG=
  NOPIE=
  
  CLANG_INCLUDES=	-I${CLANG_SRCS}/include
  LLDB_INCLUDES=	-I${LLDB_SRCS}/include \
  		-I${LLDB_SRCS}/source
  CPPFLAGS+=	-I${LLVM_SRCS}/include -I${.CURDIR}/../include -I${.OBJDIR} \
  		-I${.OBJDIR}/../include
  CPPFLAGS+=	-DNDEBUG
  
  # Disable some protections in the compiler to regain performance.
  .if ${MACHINE_ARCH} == "aarch64" || ${MACHINE_ARCH} == "amd64" || \
      ${MACHINE_ARCH} == "i386" || ${MACHINE_ARCH} == "mips64" || \
      ${MACHINE_ARCH} == "mips64el" || ${MACHINE_ARCH} == "powerpc"
  CXXFLAGS+=	-fno-ret-protector
  .endif
  .if ${MACHINE_ARCH} == "amd64" || ${MACHINE_ARCH} == "i386"
  CXXFLAGS+=	-mno-retpoline
  .endif
  
  # Omit frame pointer to improve performance.
  .if ${MACHINE_ARCH} == "mips64" || ${MACHINE_ARCH} == "mips64el"
  CXXFLAGS+=	-fomit-frame-pointer
  .endif
  
  CPPFLAGS+=	-D__STDC_LIMIT_MACROS -D__STDC_CONSTANT_MACROS \
  		-D__STDC_FORMAT_MACROS
  
  .if ${MACHINE_ARCH} == "arm"
  TRIPLE=		armv7-unknown-openbsd${OSREV}-gnueabi
  .else
  TRIPLE=		${MACHINE_ARCH}-unknown-openbsd${OSREV}
  .endif
  CPPFLAGS+=	-DLLVM_PREFIX=\"/usr\"
  .include "Makefile.arch"
  
  # upstream defaults
  CFLAGS+=	-ffunction-sections -fdata-sections
  CXXFLAGS+=	-std=c++14
  CXXFLAGS+=	-fvisibility-inlines-hidden
  CXXFLAGS+=	-fno-exceptions -fno-rtti
  # warnings (from upstream)
  CXXFLAGS+=	-Wall -W -Wno-unused-parameter -Wwrite-strings -Wcast-qual \
  		-Wno-missing-field-initializers -pedantic -Wno-long-long \
  		-Wdelete-non-virtual-dtor -Wno-comment
  
  LDADD+=-Wl,--start-group
  .for lib in ${LLVM_LIBDEPS}
  DPADD+=	${.OBJDIR}/../lib${lib}/lib${lib}.a
  LDADD+=	${.OBJDIR}/../lib${lib}/lib${lib}.a
  .endfor
  LDADD+=-Wl,--end-group