#       $NetBSD: Makefile.inc,v 1.49 2023/08/30 18:47:56 christos Exp $
#
#       Configuration variables (default values are below):
#
#       S       must be set to the top of the 'sys' tree.
#       KERNDST may be set to the location of the directory where library
#               objects are to be built.  Defaults to ${.OBJDIR}/lib/kern.
#       KERN_AS may be set to 'obj' to build a object from the library's
#               object files.  (Otherwise, a library will be built.)
#               Defaults to 'obj' if OPT_MODULAR is set. Otherwise,
#               'library' is used as a default value.
#       KERNMISCCPPFLAGS
#               Miscellaneous cpp flags to be passed to the library's Makefile
#               when building.
#       KERNMISCMAKEFLAGS
#               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:
KERNDST?=       ${.OBJDIR}/lib/kern
if !empty(OPT_MODULAR)
KERN_AS?=       obj
else
KERN_AS?=       library
endif
KERNDOTDIR?= ../../.

KERNDIR=        ${S:S@^.@${KERNDOTDIR}@:q}/lib/libkern
if (${KERN_AS} == "obj")
KERNLIB=        ${KERNDST}/libkern.o
KERNLIB_PROF=   ${KERNDST}/libkern.po
else
KERNLIB=        ${KERNDST}/libkern.a
KERNLIB_PROF=   ${KERNDST}/libkern_p.a
endif

LIBKERNLNBN=    llib-lkern.ln
KERNLIBLN=      ${KERNDST}/${LIBKERNLNBN}

LIBKERN_MD_FLAGS?=      none

KERNMAKE= \
       cd ${KERNDST} && ${MAKE} -f ${KERNDIR:Q}/Makefile \
           KERNDIR=${KERNDIR:q} \
           CC=${CC:q} CFLAGS=${CFLAGS:q} CPUFLAGS= \
           AS=${AS:q} AFLAGS=${AFLAGS:q} \
           LORDER=${LORDER:q} \
           TSORT=${TSORT:q} \
           COPTS=${COPTS:q} \
           LD=${LD:q} STRIP=${STRIP:q} \
           AR=${AR:q} NM=${NM:q} \
           RANLIB=${RANLIB:q} SIZE=${SIZE:q} \
           MACHINE=${MACHINE} MACHINE_ARCH=${MACHINE_ARCH:q} \
           KERNCPPFLAGS=${CPPFLAGS:S@^-I.@-I${KERNDOTDIR}@g:q} \
           KERNMISCCPPFLAGS=${KERNMISCCPPFLAGS:q} \
           LINTFLAGS=${KERNLINTFLAGS:q} \
           LIBKERN_ARCH=${LIBKERN_ARCH:q} \
           COMMON_MACHINE_ARCH=${COMMON_MACHINE_ARCH:q} \
           LIBKERN_MD_FLAGS=${LIBKERN_MD_FLAGS:q} \
           ${KERNMISCMAKEFLAGS}

${KERNLIB}:             .NOTMAIN .MAKE __always_make_kernlib
       @echo making sure the kern library is up to date...
if (${KERN_AS} == "library")
       @${KERNMAKE} libkern.a
else
       @${KERNMAKE} libkern.o
endif

${KERNLIB_PROF}:        .NOTMAIN .MAKE __always_make_kernlib
       @echo making sure the profiled kern library is up to date...
if (${KERN_AS} == "library")
       @${KERNMAKE} libkern_p.a
else
       @${KERNMAKE} libkern.po
endif

${KERNLIBLN}:           .NOTMAIN .MAKE __always_make_kernlib
       @echo making sure the kern lint library is up to date...
       @${KERNMAKE} ${LIBKERNLNBN}

clean:                  .NOTMAIN cleankernlib
cleankernlib:           .NOTMAIN
       @echo cleaning the kern library objects
       @if [ -d "${KERNDST}" ]; then ${KERNMAKE} clean; fi

cleandir distclean:     .NOTMAIN cleandirkernlib
cleandirkernlib:        .NOTMAIN
       @echo cleandiring the kern library objects
       @if [ -d "${KERNDST}" ]; then ${KERNMAKE} cleandir; fi

dependall depend:       .NOTMAIN dependkernlib
dependkernlib:          .NOTMAIN .MAKE __always_make_kernlib
       @echo depending the kern library objects
       @${KERNMAKE} depend

__always_make_kernlib:  .NOTMAIN
       @(mkdir -p ${KERNDST})

PHONY: __always_make_kernlib
PHONY: cleankernlib cleandirkernlib dependkernlib

include "${.PARSEDIR}/../../../common/lib/libc/Makefile.inc"