#       $NetBSD: Makefile.inc,v 1.18 2020/09/28 02:44:34 simonb Exp $
#
#       Configuration variables (default values are below):
#
#       S       must be set to the top of the 'sys' tree.
#       ZDST    may be set to the location of the directory where library
#               objects are to be built.  Defaults to ${.OBJDIR}/lib/z.
#       Z_AS    may be set to 'obj' to build a object from the library's
#               object files.  (Otherwise, a library will be built.)
#               Defaults to 'library'.
#       ZMISCCPPFLAGS
#               Miscellaneous cpp flags to be passed to the library's Makefile
#               when building.
#       ZMISCMAKEFLAGS
#               Miscellaneous flags to be passed to the library's Makefile when
#               building.  See library's Makefile for more details about
#               supported flags and their default values.

# Default values:
ZDST?=          ${.OBJDIR}/lib/z
Z_AS?=          library
ZDOTDIR?=        ../../.

ZDIR=           ${S:S@^.@${ZDOTDIR}@:q}/lib/libz
if (${Z_AS} == "obj")
ZLIB=           ${ZDST}/libz.o
ZLIB_PROF=      ${ZDST}/libz.po
else
ZLIB=           ${ZDST}/libz.a
ZLIB_PROF=      ${ZDST}/libz_p.a
endif

ZMAKE= \
       cd ${ZDST} && ${MAKE} -f ${ZDIR:q}/Makefile \
           ZDIR=${ZDIR:q} \
           CC=${CC:q} CFLAGS=${CFLAGS:q} CPUFLAGS= \
           AS=${AS:q} AFLAGS=${AFLAGS:q} \
           LORDER=${LORDER:q} \
           TSORT=${TSORT:q} \
           LD=${LD:q} STRIP=${STRIP:q} \
           AR=${AR:q} NM=${NM:q} \
           RANLIB=${RANLIB:q} SIZE=${SIZE:q} \
           MACHINE=${MACHINE} MACHINE_ARCH=${MACHINE_ARCH:q} \
           ZCPPFLAGS=${CPPFLAGS:S@^-I.@-I${ZDOTDIR}@g:q} \
           ZMISCCPPFLAGS=${ZMISCCPPFLAGS:q} \
           ${ZMISCMAKEFLAGS}

${ZLIB}:                .NOTMAIN .MAKE __always_make_zlib
       @echo making sure the z library is up to date...
if (${Z_AS} == "library")
       @${ZMAKE} libz.a
else
       @${ZMAKE} libz.o
endif

${ZLIB_PROF}:           .NOTMAIN .MAKE __always_make_zlib
       @echo making sure the profiled z library is up to date...
if (${Z_AS} == "library")
       @${ZMAKE} libz_p.a
else
       @${ZMAKE} libz.po
endif

clean:                  .NOTMAIN cleanzlib
cleanzlib:              .NOTMAIN
       @echo cleaning the z library objects
       @if [ -d "${ZDST}" ]; then ${ZMAKE} clean; fi

cleandir distclean:     .NOTMAIN cleandirzlib
cleandirzlib:           .NOTMAIN
       @echo cleandiring the z library objects
       @if [ -d "${ZDST}" ]; then ${ZMAKE} cleandir; fi

dependall depend:       .NOTMAIN dependzlib
dependzlib:             .NOTMAIN .MAKE __always_make_zlib
       @echo depending the z library objects
       @${ZMAKE} depend

__always_make_zlib:     .NOTMAIN
       @mkdir -p ${ZDST}

PHONY: __always_make_zlib
PHONY: cleanzlib cleandirzlib dependzlib

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