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# $NetBSD: builtin.mk,v 1.2 2004/03/29 05:43:30 jlam Exp $
_ZLIB_H= /usr/include/zlib.h
.if !defined(IS_BUILTIN.zlib)
IS_BUILTIN.zlib= no
. if exists(${_ZLIB_H})
IS_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; \
} \
' ${_ZLIB_H}
BUILTIN_PKG.zlib= zlib-${_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_})
BUILTIN_PKG.zlib= zlib-1.1.4nb1
. endif
. endfor
. endif
BUILDLINK_VARS+= BUILTIN_PKG.zlib
. endif
BUILDLINK_VARS+= IS_BUILTIN.zlib
.endif # IS_BUILTIN.zlib
.if !defined(USE_BUILTIN.zlib)
USE_BUILTIN.zlib?= ${IS_BUILTIN.zlib}
PREFER.zlib?= pkgsrc
. if defined(BUILTIN_PKG.zlib)
USE_BUILTIN.zlib= yes
. for _depend_ in ${BUILDLINK_DEPENDS.zlib}
. if !empty(USE_BUILTIN.zlib:M[yY][eE][sS])
USE_BUILTIN.zlib!= \
if ${PKG_ADMIN} pmatch '${_depend_}' ${BUILTIN_PKG.zlib}; then \
${ECHO} "yes"; \
else \
${ECHO} "no"; \
fi
. endif
. endfor
. endif
. if defined(USE_ZLIB)
. if !empty(IS_BUILTIN.zlib:M[nN][oO]) && \
(${PREFER.zlib} == "pkgsrc")
USE_BUILTIN.zlib= no
. endif
. endif
.endif # USE_BUILTIN.zlib
CHECK_BUILTIN.zlib?= no
.if !empty(CHECK_BUILTIN.zlib:M[nN][oO])
.if !empty(USE_BUILTIN.zlib:M[nN][oO])
BUILDLINK_DEPENDS.zlib+= zlib>=1.2.1
.endif
.endif # CHECK_BUILTIN.zlib
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