07b202a847
get rid of testing explicitly for clang (using ${CC:T:Mclang}) in
individual Makefiles.
Instead, use the following extra macros, for use with clang:
- NO_WERROR.clang (disables -Werror)
- NO_WCAST_ALIGN.clang (disables -Wcast-align)
- NO_WFORMAT.clang (disables -Wformat and friends)
- CLANG_NO_IAS (disables integrated assembler)
- CLANG_OPT_SMALL (adds flags for extra small size optimizations)
As a side effect, this enables setting CC/CXX/CPP in src.conf instead of
make.conf! For clang, use the following:
CC=clang
CXX=clang++
CPP=clang-cpp
MFC after: 2 weeks
65 lines
1.4 KiB
Makefile
65 lines
1.4 KiB
Makefile
# Makefile.amd64 -- with config changes.
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# Copyright 1990 W. Jolitz
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# from: @(#)Makefile.i386 7.1 5/10/91
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# from FreeBSD: src/sys/conf/Makefile.i386,v 1.255 2002/02/20 23:35:49
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# $FreeBSD$
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#
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# Makefile for FreeBSD
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#
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# This makefile is constructed from a machine description:
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# config machineid
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# Most changes should be made in the machine description
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# /sys/amd64/conf/``machineid''
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# after which you should do
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# config machineid
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# Generic makefile changes should be made in
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# /sys/conf/Makefile.amd64
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# after which config should be rerun for all machines.
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#
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# Which version of config(8) is required.
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%VERSREQ= 600004
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STD8X16FONT?= iso
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.if !defined(S)
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.if exists(./@/.)
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S= ./@
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.else
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S= ../../..
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.endif
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.endif
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.include "$S/conf/kern.pre.mk"
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DDB_ENABLED!= grep DDB opt_ddb.h || true
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DTR_ENABLED!= grep KDTRACE_FRAME opt_kdtrace.h || true
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HWPMC_ENABLED!= grep HWPMC opt_hwpmc_hooks.h || true
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.if !empty(DDB_ENABLED) || !empty(DTR_ENABLED) || !empty(HWPMC_ENABLED)
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CFLAGS+= -fno-omit-frame-pointer
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.endif
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MKMODULESENV+= MACHINE=amd64
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# XXX: clang integrated-as doesn't grok .codeNN directives yet
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ASM_CFLAGS.acpi_wakecode.S= ${CLANG_NO_IAS}
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ASM_CFLAGS.ia32_sigtramp.S= ${CLANG_NO_IAS}
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ASM_CFLAGS.linux32_locore.s= ${CLANG_NO_IAS}
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ASM_CFLAGS.mpboot.S= ${CLANG_NO_IAS}
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ASM_CFLAGS+= ${ASM_CFLAGS.${.IMPSRC:T}}
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%BEFORE_DEPEND
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%OBJS
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%FILES.c
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%FILES.s
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%FILES.m
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%CLEAN
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%RULES
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.include "$S/conf/kern.post.mk"
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