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# $NetBSD: buildlink3.mk,v 1.12 2004/02/06 19:04:24 jlam Exp $
BUILDLINK_DEPTH:= ${BUILDLINK_DEPTH}+
ZLIB_BUILDLINK3_MK:= ${ZLIB_BUILDLINK3_MK}+
.include "../../mk/bsd.prefs.mk"
.if !empty(ZLIB_BUILDLINK3_MK:M+)
BUILDLINK_PACKAGES+= zlib
BUILDLINK_DEPENDS.zlib+= zlib>=1.1.4nb1
BUILDLINK_PKGSRCDIR.zlib?= ../../devel/zlib
.endif # ZLIB_BUILDLINK3_MK
BUILDLINK_CHECK_BUILTIN.zlib?= NO
_ZLIB_H= /usr/include/zlib.h
.if !defined(BUILDLINK_IS_BUILTIN.zlib)
BUILDLINK_IS_BUILTIN.zlib= NO
. if exists(${_ZLIB_H})
BUILDLINK_IS_BUILTIN.zlib= YES
. endif
.endif
.if !empty(PREFER_PKGSRC:M[yY][eE][sS]) || \
!empty(PREFER_PKGSRC:Mzlib)
BUILDLINK_USE_BUILTIN.zlib= NO
.endif
.if defined(USE_ZLIB)
BUILDLINK_USE_BUILTIN.zlib= NO
.endif
.if !empty(BUILDLINK_CHECK_BUILTIN.zlib:M[yY][eE][sS])
BUILDLINK_USE_BUILTIN.zlib= YES
.endif
.if !defined(BUILDLINK_USE_BUILTIN.zlib)
. if !empty(BUILDLINK_IS_BUILTIN.zlib:M[nN][oO])
BUILDLINK_USE_BUILTIN.zlib= NO
. else
BUILDLINK_USE_BUILTIN.zlib= YES
#
# Create an appropriate name for the built-in package distributed
# with the system. This package name can be used to check against
# BUILDLINK_DEPENDS.<pkg> to see if we need to install the pkgsrc
# version or if the built-in one is sufficient.
#
_ZLIB_VERSION!= \
${AWK} '/\#define[ ]*ZLIB_VERSION/ { \
vers = $$3; \
gsub("\"", "", vers); \
print vers; \
} \
' ${_ZLIB_H}
_ZLIB_PKG= zlib-${_ZLIB_VERSION}
#
# If the built-in zlib is 1.1.4, then check whether it has the security
# fix for CAN-2003-0107, which was a buffer overflow in the gzprintf
# function. If it does, then treat it as the equivalent of zlib-1.1.4nb1.
#
_HAVE_CAN_2003_0107_FIX= NetBSD-1.3[I-Z]*-* NetBSD-1.[456]*-*
_HAVE_CAN_2003_0107_FIX+= NetBSD-[2-9]*-* NetBSD-1[0-9]*-*
#
# XXX These patterns for {Free,Open}BSD are too permissive, but I'm not
# XXX sure which versions of those OSes provide secure versions of
# XXX zlib-1.1.4.
#
_HAVE_CAN_2003_0107_FIX+= FreeBSD-*-* OpenBSD-*-*
. if ${_ZLIB_VERSION} == "1.1.4"
. for _pattern_ in ${_HAVE_CAN_2003_0107_FIX}
. if !empty(MACHINE_PLATFORM:M${_pattern_})
_ZLIB_PKG= zlib-1.1.4nb1
. endif
. endfor
. endif
BUILDLINK_USE_BUILTIN.zlib?= YES
. for _depend_ in ${BUILDLINK_DEPENDS.zlib}
. if !empty(BUILDLINK_USE_BUILTIN.zlib:M[yY][eE][sS])
BUILDLINK_USE_BUILTIN.zlib!= \
if ${PKG_ADMIN} pmatch '${_depend_}' ${_ZLIB_PKG}; then \
${ECHO} "YES"; \
else \
${ECHO} "NO"; \
fi
. endif
. endfor
. endif
MAKEFLAGS+= BUILDLINK_USE_BUILTIN.zlib=${BUILDLINK_USE_BUILTIN.zlib}
.endif
.if !empty(BUILDLINK_USE_BUILTIN.zlib:M[nN][oO])
#
# If we depend on the package, depend on the latest version with a library
# major number bump.
#
BUILDLINK_DEPENDS.zlib+= zlib>=1.2.1
. if !empty(BUILDLINK_DEPTH:M+)
BUILDLINK_DEPENDS+= zlib
. endif
.endif
BUILDLINK_DEPTH:= ${BUILDLINK_DEPTH:S/+$//}
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