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path: root/archivers/bzip2/buildlink3.mk
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# $NetBSD: buildlink3.mk,v 1.13 2004/02/12 02:35:06 jlam Exp $

BUILDLINK_DEPTH:=	${BUILDLINK_DEPTH}+
BZIP2_BUILDLINK3_MK:=	${BZIP2_BUILDLINK3_MK}+

.include "../../mk/bsd.prefs.mk"

.if !empty(BZIP2_BUILDLINK3_MK:M+)
BUILDLINK_PACKAGES+=		bzip2
BUILDLINK_DEPENDS.bzip2+=	bzip2>=1.0.1
BUILDLINK_PKGSRCDIR.bzip2?=	../../archivers/bzip2
.endif	# BZIP2_BUILDLINK3_MK

BUILDLINK_CHECK_BUILTIN.bzip2?=	NO

.if !defined(BUILDLINK_IS_BUILTIN.bzip2)
BUILDLINK_IS_BUILTIN.bzip2=	NO
.  if exists(/usr/include/bzlib.h)
BUILDLINK_IS_BUILTIN.bzip2!=						\
	if ${GREP} -q "BZ2_" /usr/include/bzlib.h; then			\
		${ECHO} "YES";						\
	else								\
		${ECHO} "NO";						\
	fi
.  endif
.  if !empty(BUILDLINK_CHECK_BUILTIN.bzip2:M[nN][oO])
#
# Solaris 9 has bzip2 1.0.1, build it on older versions.
# Darwin only has static libbz2.a, which can't be buildlinked.
#
_INCOMPAT_BZIP2?=	SunOS-5.[678]-* Darwin-*
.    for _pattern_ in ${_INCOMPAT_BZIP2} ${INCOMPAT_BZIP2}
.      if !empty(MACHINE_PLATFORM:M${_pattern_})
BUILDLINK_IS_BUILTIN.bzip2=	NO
.      endif
.    endfor
.  endif
MAKEFLAGS+=	BUILDLINK_IS_BUILTIN.bzip2=${BUILDLINK_IS_BUILTIN.bzip2}
.endif

.if !empty(BUILDLINK_IS_BUILTIN.bzip2:M[yY][eE][sS])
BUILDLINK_USE_BUILTIN.bzip2=	YES
.else
BUILDLINK_USE_BUILTIN.bzip2=	NO
.endif

.if !empty(PREFER_NATIVE:M[yY][eE][sS]) && \
    !empty(BUILDLINK_IS_BUILTIN.bzip2:M[yY][eE][sS])
BUILDLINK_USE_BUILTIN.bzip2=	YES
.endif
.if !empty(PREFER_PKGSRC:M[yY][eE][sS])
BUILDLINK_USE_BUILTIN.bzip2=	NO
.endif
.if !empty(PREFER_NATIVE:Mbzip2) && \
    !empty(BUILDLINK_IS_BUILTIN.bzip2:M[yY][eE][sS])
BUILDLINK_USE_BUILTIN.bzip2=	YES
.endif
.if !empty(PREFER_PKGSRC:Mbzip2)
BUILDLINK_USE_BUILTIN.bzip2=	NO
.endif

.if defined(USE_BZIP2)
BUILDLINK_USE_BUILTIN.bzip2=	NO
.endif

.if !empty(BUILDLINK_CHECK_BUILTIN.bzip2:M[yY][eE][sS])
BUILDLINK_USE_BUILTIN.bzip2=	YES
.endif

.if !empty(BUILDLINK_USE_BUILTIN.bzip2:M[nN][oO])
.  if !empty(BUILDLINK_DEPTH:M+)
BUILDLINK_DEPENDS+=	bzip2
.  endif
.endif

BUILDLINK_DEPTH:=	${BUILDLINK_DEPTH:S/+$//}