CONFIG =	riscv32-esp-elf
CATEGORIES +=	devel
HOMEPAGE =	https://www.espressif.com/en/products/software/esp-sdk/overview

# DEBUG_PACKAGES =	${BUILD_PACKAGES}

# GPLv3
# For newlib: multiple copyrights, but basically BSD.
#   See: ${PREFIX}/share/doc/newlib
PERMIT_PACKAGE =   Yes

# permits build on sparc64
COMPILER =	base-clang ports-clang

BUILD_DEPENDS +=	devel/bison \
			lang/gawk \
			sysutils/coreutils \
			textproc/gsed

SEPARATE_BUILD =	Yes
USE_GMAKE = 		Yes
YACC =			bison -y

CE_VARS =		"-Os -g -free -fipa-pta"

INSTALLDIR =		"${LOCALBASE}/${CONFIG}"
CONFIGURE_STYLE ?=	simple
CONFIGURE_ENV +=	CFLAGS_FOR_TARGET=${CE_VARS} \
			CXXFLAGS_FOR_TARGET=${CE_VARS} \
			CFLAGS="-I${INSTALLDIR}/include -pipe -g" \
			LDFLAGS="-L${INSTALLDIR}/lib -g"
CONFIGURE_ARGS +=	--target="${CONFIG}" \
			--prefix="${INSTALLDIR}" \
			--disable-shared \
			--with-arch=rv32imc \
			--with-abi=ilp32 \
			--with-newlib \
			--enable-threads=no \
			--disable-__cxa_atexit \
			--enable-cxx-flags=-ffunction-sections \
			--disable-libgomp \
			--disable-libmudflap \
			--disable-libmpx \
			--disable-libssp \
			--disable-libquadmath \
			--disable-libquadmath-support \
			--disable-nls \
			--enable-multiarch \
			--enable-languages=c,c++ \
			--disable-lto \
			--disable-libstdcxx-verbose \
			--disable-option-checking \
			--without-long-double-128 \
			--with-system-zlib \
			--enable-gcov-custom-rtio \
			--enable-libstdcxx-time=yes

NO_TEST =		Yes