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# $OpenBSD: Makefile.inc,v 1.28 2023/11/17 15:46:58 visa Exp $
CLANG_SRCS?= ${.CURDIR}/../../../llvm/clang
LLDB_SRCS?= ${.CURDIR}/../../../llvm/lldb
LLD_SRCS?= ${.CURDIR}/../../../llvm/lld
LLVM_SRCS?= ${.CURDIR}/../../../llvm/llvm
DRIVER_TEMPLATE?=no
.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
CXXFLAGS+= -mxgot
.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
.include "Makefile.arch"
# upstream defaults
CFLAGS+= -ffunction-sections -fdata-sections
CXXFLAGS+= -ffunction-sections -fdata-sections
CXXFLAGS+= -std=c++17
CXXFLAGS+= -fvisibility-inlines-hidden
CXXFLAGS+= -fno-exceptions -fno-rtti
CXXFLAGS+= -fno-semantic-interposition
# warnings (from upstream)
CXXFLAGS+= -Wall -Wc++98-compat-extra-semi -Wcast-qual \
-Wcovered-switch-default -Wctad-maybe-unsupported \
-Wdelete-non-virtual-dtor -Werror=date-time \
-Werror=unguarded-availability-new -Wextra \
-Wimplicit-fallthrough -Wmisleading-indentation \
-Wmissing-field-initializers -Wno-long-long -Wno-noexcept-type \
-Wno-unused-parameter -Wnon-virtual-dtor -Wstring-conversion \
-Wsuggest-override -Wwrite-strings
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
.if ${DRIVER_TEMPLATE:L} == "yes"
DRIVER_NAME?= ${PROG:S/-/_/g}
CLEANFILES+= ${DRIVER_NAME}_main.cpp
SRCS+= ${DRIVER_NAME}_main.cpp
${DRIVER_NAME}_main.cpp:
sed "s,@TOOL_NAME@,${DRIVER_NAME},g" \
${LLVM_SRCS}/cmake/modules/llvm-driver-template.cpp.in > $@
.endif
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