freebsd-skq/share/mk/bsd.compat.mk
John Baldwin e2ec07432d Move -L${LIBCOMPATTMP}/usr/lib${libcompat} from CFLAGS to LDFLAGS.
This is only needed when linking and fixes various "unused command
line argument" warnings during the lib32 build.

Reviewed by:	bdrewery
Obtained from:	CheriBSD
Sponsored by:	DARPA
Differential Revision:	https://reviews.freebsd.org/D26068
2020-08-17 17:17:33 +00:00

171 lines
4.3 KiB
Makefile

# $FreeBSD$
.if !targets(__<${_this:T}>__)
__<${_this:T}>__:
.if defined(_LIBCOMPAT)
COMPAT_ARCH?= ${TARGET_ARCH}
COMPAT_CPUTYPE?= ${CPUTYPE_${_LIBCOMPAT}}
.if (defined(WANT_COMPILER_TYPE) && ${WANT_COMPILER_TYPE} == gcc) || \
(defined(X_COMPILER_TYPE) && ${X_COMPILER_TYPE} == gcc)
COMPAT_COMPILER_TYPE= gcc
.else
COMPAT_COMPILER_TYPE= clang
.endif
.else
COMPAT_ARCH= ${MACHINE_ARCH}
COMPAT_CPUTYPE= ${CPUTYPE}
.include <bsd.compiler.mk>
COMPAT_COMPILER_TYPE=${COMPILER_TYPE}
.endif
# -------------------------------------------------------------------
# 32 bit world
.if ${COMPAT_ARCH} == "amd64"
HAS_COMPAT=32
.if empty(COMPAT_CPUTYPE)
LIB32CPUFLAGS= -march=i686 -mmmx -msse -msse2
.else
LIB32CPUFLAGS= -march=${COMPAT_CPUTYPE}
.endif
.if ${COMPAT_COMPILER_TYPE} == gcc
.else
LIB32CPUFLAGS+= -target x86_64-unknown-freebsd13.0
.endif
LIB32CPUFLAGS+= -m32
LIB32_MACHINE= i386
LIB32_MACHINE_ARCH= i386
LIB32WMAKEENV= MACHINE_CPU="i686 mmx sse sse2"
LIB32WMAKEFLAGS= \
AS="${XAS} --32" \
LD="${XLD} -m elf_i386_fbsd"
.elif ${COMPAT_ARCH} == "powerpc64"
HAS_COMPAT=32
.if empty(COMPAT_CPUTYPE)
LIB32CPUFLAGS= -mcpu=powerpc
.else
LIB32CPUFLAGS= -mcpu=${COMPAT_CPUTYPE}
.endif
.if ${COMPAT_COMPILER_TYPE} == "gcc"
LIB32CPUFLAGS+= -m32
.else
LIB32CPUFLAGS+= -target powerpc-unknown-freebsd13.0
.endif
LIB32_MACHINE= powerpc
LIB32_MACHINE_ARCH= powerpc
LIB32WMAKEFLAGS= \
LD="${XLD} -m elf32ppc_fbsd"
.elif ${COMPAT_ARCH:Mmips64*} != ""
HAS_COMPAT=32
.if ${COMPAT_COMPILER_TYPE} == gcc
.if empty(COMPAT_CPUTYPE)
LIB32CPUFLAGS= -march=mips3
.else
LIB32CPUFLAGS= -march=${COMPAT_CPUTYPE}
.endif
.else
.if ${COMPAT_ARCH:Mmips64el*} != ""
LIB32CPUFLAGS= -target mipsel-unknown-freebsd13.0
.else
LIB32CPUFLAGS= -target mips-unknown-freebsd13.0
.endif
.endif
LIB32CPUFLAGS+= -mabi=32
LIB32_MACHINE= mips
LIB32_MACHINE_ARCH:= ${COMPAT_ARCH:S/64//}
.if ${COMPAT_ARCH:Mmips64el*} != ""
_EMULATION= elf32ltsmip_fbsd
.else
_EMULATION= elf32btsmip_fbsd
.endif
LIB32WMAKEFLAGS= LD="${XLD} -m ${_EMULATION}"
LIB32LDFLAGS= -Wl,-m${_EMULATION}
.endif
LIB32WMAKEFLAGS+= NM="${XNM}"
LIB32WMAKEFLAGS+= OBJCOPY="${XOBJCOPY}"
LIB32CFLAGS= -DCOMPAT_32BIT
LIB32DTRACE= ${DTRACE} -32
LIB32WMAKEFLAGS+= -DCOMPAT_32BIT
# -------------------------------------------------------------------
# soft-fp world
.if ${COMPAT_ARCH:Marmv[67]*} != ""
HAS_COMPAT=SOFT
LIBSOFTCFLAGS= -DCOMPAT_SOFTFP
LIBSOFTCPUFLAGS= -mfloat-abi=softfp
LIBSOFT_MACHINE= arm
LIBSOFT_MACHINE_ARCH= ${COMPAT_ARCH}
LIBSOFTWMAKEENV= CPUTYPE=soft
LIBSOFTWMAKEFLAGS= -DCOMPAT_SOFTFP
.endif
# -------------------------------------------------------------------
# In the program linking case, select LIBCOMPAT
.if defined(NEED_COMPAT)
.ifndef HAS_COMPAT
.warning NEED_COMPAT defined, but no LIBCOMPAT is available (COMPAT_ARCH == ${COMPAT_ARCH}
.elif !${HAS_COMPAT:M${NEED_COMPAT}} && ${NEED_COMPAT} != "any"
.error NEED_COMPAT (${NEED_COMPAT}) defined, but not in HAS_COMPAT ($HAS_COMPAT)
.elif ${NEED_COMPAT} == "any"
.endif
.ifdef WANT_COMPAT
.error Both WANT_COMPAT and NEED_COMPAT defined
.endif
WANT_COMPAT:= ${NEED_COMPAT}
.endif
.if defined(HAS_COMPAT) && defined(WANT_COMPAT)
.if ${WANT_COMPAT} == "any"
_LIBCOMPAT:= ${HAS_COMPAT:[1]}
.else
_LIBCOMPAT:= ${WANT_COMPAT}
.endif
.endif
# -------------------------------------------------------------------
# Generic code for each type.
# Set defaults based on type.
libcompat= ${_LIBCOMPAT:tl}
_LIBCOMPAT_MAKEVARS= _OBJTOP TMP CPUFLAGS CFLAGS CXXFLAGS LDFLAGS \
_MACHINE _MACHINE_ARCH WMAKEENV WMAKEFLAGS WMAKE
.for _var in ${_LIBCOMPAT_MAKEVARS}
.if !empty(LIB${_LIBCOMPAT}${_var})
LIBCOMPAT${_var}?= ${LIB${_LIBCOMPAT}${_var}}
.endif
.endfor
# Shared flags
LIBCOMPAT_OBJTOP?= ${OBJTOP}/obj-lib${libcompat}
LIBCOMPATTMP?= ${LIBCOMPAT_OBJTOP}/tmp
LIBCOMPATCFLAGS+= ${LIBCOMPATCPUFLAGS} \
--sysroot=${LIBCOMPATTMP} \
${BFLAGS}
LIBCOMPATLDFLAGS+= -L${LIBCOMPATTMP}/usr/lib${libcompat}
LIBCOMPATWMAKEENV+= MACHINE=${LIBCOMPAT_MACHINE}
LIBCOMPATWMAKEENV+= MACHINE_ARCH=${LIBCOMPAT_MACHINE_ARCH}
# -B is needed to find /usr/lib32/crti.o for GCC and /usr/libsoft/crti.o for
# Clang/GCC.
LIBCOMPATCFLAGS+= -B${LIBCOMPATTMP}/usr/lib${libcompat}
.if defined(WANT_COMPAT)
LIBDIR_BASE:= /usr/lib${libcompat}
_LIB_OBJTOP= ${LIBCOMPAT_OBJTOP}
CFLAGS+= ${LIBCOMPATCFLAGS}
LDFLAGS+= ${CFLAGS} ${LIBCOMPATLDFLAGS}
MACHINE= ${LIBCOMPAT_MACHINE}
MACHINE_ARCH= ${LIBCOMPAT_MACHINE_ARCH}
.endif
.endif