218 lines
5.9 KiB
Makefile
218 lines
5.9 KiB
Makefile
# $FreeBSD$
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#
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# This file contains common settings used for building FreeBSD
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# sources.
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# Enable various levels of compiler warning checks. These may be
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# overridden (e.g. if using a non-gcc compiler) by defining NO_WARNS.
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# for GCC: http://gcc.gnu.org/onlinedocs/gcc-4.2.1/gcc/Warning-Options.html
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.include <bsd.compiler.mk>
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# the default is gnu99 for now
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CSTD?= gnu99
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.if ${CSTD} == "k&r"
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CFLAGS+= -traditional
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.elif ${CSTD} == "c89" || ${CSTD} == "c90"
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CFLAGS+= -std=iso9899:1990
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.elif ${CSTD} == "c94" || ${CSTD} == "c95"
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CFLAGS+= -std=iso9899:199409
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.elif ${CSTD} == "c99"
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CFLAGS+= -std=iso9899:1999
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.else # CSTD
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CFLAGS+= -std=${CSTD}
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.endif # CSTD
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.if !defined(NO_WARNS)
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# -pedantic is problematic because it also imposes namespace restrictions
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#CFLAGS+= -pedantic
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.if defined(WARNS)
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.if ${WARNS} >= 1
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CWARNFLAGS+= -Wsystem-headers
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.if !defined(NO_WERROR) && (${COMPILER_TYPE} != "clang" \
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|| !defined(NO_WERROR.clang))
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CWARNFLAGS+= -Werror
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.endif # !NO_WERROR && (!CLANG || !NO_WERROR.clang)
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.endif # WARNS >= 1
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.if ${WARNS} >= 2
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CWARNFLAGS+= -Wall -Wno-format-y2k
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.endif # WARNS >= 2
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.if ${WARNS} >= 3
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CWARNFLAGS+= -W -Wno-unused-parameter -Wstrict-prototypes\
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-Wmissing-prototypes -Wpointer-arith
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.endif # WARNS >= 3
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.if ${WARNS} >= 4
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CWARNFLAGS+= -Wreturn-type -Wcast-qual -Wwrite-strings -Wswitch -Wshadow\
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-Wunused-parameter
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.if !defined(NO_WCAST_ALIGN) && (${COMPILER_TYPE} != "clang" \
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|| !defined(NO_WCAST_ALIGN.clang))
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CWARNFLAGS+= -Wcast-align
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.endif # !NO_WCAST_ALIGN && (!CLANG || !NO_WCAST_ALIGN.clang)
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.endif # WARNS >= 4
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# BDECFLAGS
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.if ${WARNS} >= 6
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CWARNFLAGS+= -Wchar-subscripts -Winline -Wnested-externs -Wredundant-decls\
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-Wold-style-definition
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.endif # WARNS >= 6
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.if ${WARNS} >= 2 && ${WARNS} <= 4
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# XXX Delete -Wuninitialized by default for now -- the compiler doesn't
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# XXX always get it right.
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CWARNFLAGS+= -Wno-uninitialized
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.endif # WARNS >=2 && WARNS <= 4
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CWARNFLAGS+= -Wno-pointer-sign
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# Clang has more warnings enabled by default, and when using -Wall, so if WARNS
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# is set to low values, these have to be disabled explicitly.
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.if ${COMPILER_TYPE} == "clang" && !defined(EARLY_BUILD)
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.if ${WARNS} <= 6
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CWARNFLAGS+= -Wno-empty-body -Wno-string-plus-int
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.endif # WARNS <= 6
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.if ${WARNS} <= 3
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CWARNFLAGS+= -Wno-tautological-compare -Wno-unused-value\
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-Wno-parentheses-equality -Wno-unused-function -Wno-conversion
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.endif # WARNS <= 3
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.if ${WARNS} <= 2
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CWARNFLAGS+= -Wno-switch -Wno-switch-enum
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.endif # WARNS <= 2
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.if ${WARNS} <= 1
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CWARNFLAGS+= -Wno-parentheses
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.endif # WARNS <= 1
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.if defined(NO_WARRAY_BOUNDS)
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CWARNFLAGS+= -Wno-array-bounds
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.endif # NO_WARRAY_BOUNDS
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.endif # CLANG
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.endif # WARNS
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.if defined(FORMAT_AUDIT)
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WFORMAT= 1
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.endif # FORMAT_AUDIT
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.if defined(WFORMAT)
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.if ${WFORMAT} > 0
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#CWARNFLAGS+= -Wformat-nonliteral -Wformat-security -Wno-format-extra-args
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CWARNFLAGS+= -Wformat=2 -Wno-format-extra-args
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.if ${COMPILER_TYPE} == "clang" && !defined(EARLY_BUILD)
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.if ${WARNS} <= 3
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CWARNFLAGS+= -Wno-format-nonliteral
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.endif # WARNS <= 3
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.endif # CLANG
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.if !defined(NO_WERROR) && (${COMPILER_TYPE} != "clang" \
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|| !defined(NO_WERROR.clang))
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CWARNFLAGS+= -Werror
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.endif # !NO_WERROR && (!CLANG || !NO_WERROR.clang)
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.endif # WFORMAT > 0
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.endif # WFORMAT
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.if defined(NO_WFORMAT) || (${COMPILER_TYPE} == "clang" && defined(NO_WFORMAT.clang))
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CWARNFLAGS+= -Wno-format
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.endif # NO_WFORMAT || (CLANG && NO_WFORMAT.clang)
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.endif # !NO_WARNS
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.if defined(IGNORE_PRAGMA)
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CWARNFLAGS+= -Wno-unknown-pragmas
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.endif # IGNORE_PRAGMA
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.if ${COMPILER_TYPE} == "clang" && !defined(EARLY_BUILD)
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CLANG_NO_IAS= -no-integrated-as
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CLANG_OPT_SMALL= -mstack-alignment=8 -mllvm -inline-threshold=3\
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-mllvm -enable-load-pre=false -mllvm -simplifycfg-dup-ret
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CFLAGS+= -Qunused-arguments
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.endif # CLANG
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.if ${MK_SSP} != "no" && ${MACHINE_CPUARCH} != "ia64" && \
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${MACHINE_CPUARCH} != "arm" && ${MACHINE_CPUARCH} != "mips"
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# Don't use -Wstack-protector as it breaks world with -Werror.
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SSP_CFLAGS?= -fstack-protector
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CFLAGS+= ${SSP_CFLAGS}
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.endif # SSP && !IA64 && !ARM && !MIPS
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# Allow user-specified additional warning flags
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CFLAGS+= ${CWARNFLAGS}
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# Tell bmake not to mistake standard targets for things to be searched for
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# or expect to ever be up-to-date.
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PHONY_NOTMAIN = afterdepend afterinstall all beforedepend beforeinstall \
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beforelinking build build-tools buildfiles buildincludes \
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checkdpadd clean cleandepend cleandir cleanobj configure \
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depend dependall distclean distribute exe extract fetch \
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html includes install installfiles installincludes lint \
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obj objlink objs objwarn patch realall realdepend \
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realinstall regress subdir-all subdir-depend subdir-install \
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tags whereobj
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.PHONY: ${PHONY_NOTMAIN}
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.NOTMAIN: ${PHONY_NOTMAIN}
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.if !defined(.PARSEDIR)
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# this is a no-op
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.WAIT:
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.endif
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.if ${MK_STAGING} != "no"
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.if defined(_SKIP_BUILD) || !make(all)
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staging stage_libs stage_files stage_as stage_links stage_symlinks:
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.else
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# allow targets like beforeinstall to be leveraged
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DESTDIR= ${STAGE_OBJTOP}
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.if commands(beforeinstall)
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.if !empty(_LIBS) || ${MK_STAGING_PROG} != "no"
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staging: beforeinstall
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.endif
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.endif
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# normally only libs and includes are staged
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.if ${MK_STAGING_PROG} != "no"
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STAGE_DIR.prog= ${STAGE_OBJTOP}${BINDIR}
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.if !empty(PROG)
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.if defined(PROGNAME)
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STAGE_AS_SETS+= prog
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STAGE_AS_${PROG}= ${PROGNAME}
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stage_as.prog: ${PROG}
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.else
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STAGE_SETS+= prog
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stage_files.prog: ${PROG}
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staging: stage_files
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.endif
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.endif
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.endif
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.if !empty(_LIBS) && !defined(INTERNALLIB)
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stage_libs: ${_LIBS}
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.endif
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.if !empty(INCS) || !empty(INCSGROUPS) && target(buildincludes)
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beforebuild: buildincludes
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.endif
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.for t in stage_libs stage_files stage_as
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.if target($t)
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staging: $t
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.endif
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.endfor
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.if !empty(STAGE_AS_SETS)
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staging: stage_as
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.endif
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.if !empty(_LIBS) || ${MK_STAGING_PROG} != "no"
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.if !empty(LINKS)
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staging: stage_links
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STAGE_SETS+= links
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STAGE_LINKS.links= ${LINKS}
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.endif
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.if !empty(SYMLINKS)
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staging: stage_symlinks
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STAGE_SETS+= links
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STAGE_SYMLINKS.links= ${SYMLINKS}
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.endif
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.endif
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.include <meta.stage.mk>
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.endif
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.endif
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