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# $NetBSD: buildlink.mk,v 1.2 2001/06/10 00:09:30 jlam Exp $
#
# This Makefile fragment is included by packages that use gmp.
#
# To use this Makefile fragment, simply:
#
# (1) Optionally define GMP_REQD to the version of gmp desired.
# (2) Include this Makefile fragment in the package Makefile,
# (3) Optionally define BUILDLINK_INCDIR and BUILDLINK_LIBDIR,
# (4) Add ${BUILDLINK_INCDIR} to the front of the C preprocessor's header
# search path, and
# (5) Add ${BUILDLINK_LIBDIR} to the front of the linker's library search
# path.
.if !defined(GMP_BUILDLINK_MK)
GMP_BUILDLINK_MK= # defined
GMP_REQD?= 3.0
DEPENDS+= gmp>=${GMP_REQD}:../../devel/gmp
GMP_HEADERS= ${LOCALBASE}/include/gmp.h
GMP_LIBS= ${LOCALBASE}/lib/libgmp.*
BUILDLINK_INCDIR?= ${WRKDIR}/include
BUILDLINK_LIBDIR?= ${WRKDIR}/lib
GMP_BUILDLINK_COOKIE= ${WRKDIR}/.gmp_buildlink_done
GMP_BUILDLINK_TARGETS= link-gmp-headers
GMP_BUILDLINK_TARGETS+= link-gmp-libs
BUILDLINK_TARGETS+= ${GMP_BUILDLINK_COOKIE}
pre-configure: ${GMP_BUILDLINK_COOKIE}
${GMP_BUILDLINK_COOKIE}: ${GMP_BUILDLINK_TARGETS}
@${TOUCH} ${TOUCH_FLAGS} ${GMP_BUILDLINK_COOKIE}
# This target links the headers into ${BUILDLINK_INCDIR}, which should
# be searched first by the C preprocessor.
#
link-gmp-headers:
@${ECHO} "Linking gmp headers into ${BUILDLINK_INCDIR}."
@${MKDIR} ${BUILDLINK_INCDIR}
@for inc in ${GMP_HEADERS}; do \
dest=${BUILDLINK_INCDIR}/`${BASENAME} $${inc}`; \
if [ -f $${inc} ]; then \
${RM} -f $${dest}; \
${LN} -sf $${inc} $${dest}; \
fi; \
done
# This target links the libraries into ${BUILDLINK_LIBDIR}, which should
# be searched first by the linker.
#
link-gmp-libs:
@${ECHO} "Linking gmp libraries into ${BUILDLINK_LIBDIR}."
@${MKDIR} ${BUILDLINK_LIBDIR}
@for lib in ${GMP_LIBS}; do \
dest=${BUILDLINK_LIBDIR}/`${BASENAME} $${lib}`; \
if [ -f $${lib} ]; then \
${RM} -f $${dest}; \
${LN} -sf $${lib} $${dest}; \
fi; \
done
.endif # GMP_BUILDLINK_MK
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