#	$NetBSD: Makefile.autobuild_h,v 1.1 2023/08/01 05:57:53 mrg Exp $

# makefile fragment to create auto-build.h

.ifndef GCC_MAKEFILE_AUTOBUILD_H
GCC_MAKEFILE_AUTOBUILD_H=1

# Yuck, we have to run configure to generate this one...
# We use ORIGHOST_CC here because GCC's ./configure expects (and
# depends upon) it.
CLEANFILES+=	auto-build.h
HOST_CFLAGS+= -I${.OBJDIR}
HOST_CXXFLAGS+= -I${.OBJDIR}

# Set this to "true" to leave .ab around
HOST_AB_CLEAN?=	rm -rf .ab

auto-build.h: gmp.h Makefile
	${_MKTARGET_CREATE}
	rm -rf .ab && \
	mkdir .ab && \
	(cd .ab && \
		AWK=${TOOL_AWK:Q} \
		CC=${ORIGHOST_CC:Q} CFLAGS=${HOST_CFLAGS:Q} \
		CPPFLAGS=${HOST_CPPFLAGS:Q} \
		CXX=${HOST_CXX:Q} CXXFLAGS=${HOST_CXXFLAGS:Q} \
		MAKE=${TOOL_GMAKE:Q} \
		CONFIG_SHELL=${HOST_SH:Q} \
		gcc_cv_ld=${LD:Q} \
		gcc_cv_as=${AS:Q} \
		${HOST_SH} ${GNUHOSTDIST}/gcc/configure \
			--build=`${HOST_SH} ${GNUHOSTDIST}/config.guess` \
			--host=`${HOST_SH} ${GNUHOSTDIST}/config.guess` \
			--target=${MACHINE_GNU_PLATFORM} && \
		mv auto-host.h ../auto-build.h) && \
	${HOST_AB_CLEAN}

GMPDISTDIR=	${NETBSDSRCDIR}/external/lgpl3/gmp
BUILDSYMLINKS+=	${GMPDISTDIR}/lib/libgmp/arch/${GMP_MACHINE_ARCH}/gmp.h gmp.h
DPSRCS+=	gmp.h

.endif # GCC_MAKEFILE_AUTOBUILD_H