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# $NetBSD: builtin.mk,v 1.4 2006/03/30 18:06:17 jlam Exp $
BUILTIN_PKG:= zlib
BUILTIN_FIND_FILES_VAR:= H_ZLIB
BUILTIN_FIND_FILES.H_ZLIB= /usr/include/zlib.h
.include "../../mk/buildlink3/bsd.builtin.mk"
###
### Determine if there is a built-in implementation of the package and
### set IS_BUILTIN.<pkg> appropriately ("yes" or "no").
###
.if !defined(IS_BUILTIN.zlib)
IS_BUILTIN.zlib= no
. if empty(H_ZLIB:M__nonexistent__) && empty(H_ZLIB:M${LOCALBASE}/*)
IS_BUILTIN.zlib= yes
. endif
.endif
MAKEVARS+= IS_BUILTIN.zlib
###
### If there is a built-in implementation, then set BUILTIN_PKG.<pkg> to
### a package name to represent the built-in package.
###
.if !defined(BUILTIN_PKG.zlib) && \
!empty(IS_BUILTIN.zlib:M[yY][eE][sS]) && \
empty(H_ZLIB:M__nonexistent__)
BUILTIN_VERSION.zlib!= \
${AWK} '/\#define[ ]*ZLIB_VERSION/ { \
vers = $$3; \
gsub("\"", "", vers); \
print vers; \
} \
' ${H_ZLIB:Q}
#
# 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.
#
BUILTIN_CAN_2003_0107_FIX= NetBSD-1.3[I-Z]*-* NetBSD-1.[456]*-* \
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.
#
BUILTIN_CAN_2003_0107_FIX+= FreeBSD-*-* OpenBSD-*-*
. if ${BUILTIN_VERSION.zlib} == "1.1.4"
. for _pattern_ in ${BUILTIN_CAN_2003_0107_FIX}
. if !empty(MACHINE_PLATFORM:M${_pattern_})
BUILTIN_VERSION.zlib= 1.1.4nb1
. endif
. endfor
. endif
BUILTIN_PKG.zlib= zlib-${BUILTIN_VERSION.zlib}
.endif
MAKEVARS+= BUILTIN_PKG.zlib
###
### Determine whether we should use the built-in implementation if it
### exists, and set USE_BUILTIN.<pkg> appropriate ("yes" or "no").
###
.if !defined(USE_BUILTIN.zlib)
. if ${PREFER.zlib} == "pkgsrc"
USE_BUILTIN.zlib= no
. else
USE_BUILTIN.zlib= ${IS_BUILTIN.zlib}
. if defined(BUILTIN_PKG.zlib) && \
!empty(IS_BUILTIN.zlib:M[yY][eE][sS])
USE_BUILTIN.zlib= yes
. for _dep_ in ${BUILDLINK_DEPENDS.zlib}
. if !empty(USE_BUILTIN.zlib:M[yY][eE][sS])
USE_BUILTIN.zlib!= \
if ${PKG_ADMIN} pmatch ${_dep_:Q} ${BUILTIN_PKG.zlib:Q}; then \
${ECHO} yes; \
else \
${ECHO} no; \
fi
. endif
. endfor
. endif
. endif # PREFER.zlib
.endif
MAKEVARS+= USE_BUILTIN.zlib
# If USE_ZLIB is defined, then force the use of a true zlib
# implementation.
#
.if defined(USE_ZLIB)
. if !empty(IS_BUILTIN.zlib:M[nN][oO])
USE_BUILTIN.zlib= no
. endif
.endif
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