app-misc/bottlerocket: EAPI7->8, run eautoreconf for clang16

Also use https and respect CPPFLAGS.

Closes: https://bugs.gentoo.org/874321
Signed-off-by: Ionen Wolkens <ionen@gentoo.org>

app-misc/bottlerocket/bottlerocket-0.04c-r2.ebuild

@@ -1,39 +1,35 @@
-# Copyright 1999-2019 Gentoo Authors
+# Copyright 1999-2022 Gentoo Authors
 # Distributed under the terms of the GNU General Public License v2
 
-EAPI=7
+EAPI=8
 
-inherit toolchain-funcs
+inherit autotools
 
 DESCRIPTION="CLI interface to the X-10 Firecracker Kit"
-HOMEPAGE="http://www.linuxha.com/bottlerocket/"
-SRC_URI="http://www.linuxha.com/${PN}/${P}.tar.gz"
+HOMEPAGE="https://www.linuxha.com/bottlerocket/"
+SRC_URI="https://www.linuxha.com/${PN}/${P}.tar.gz"
 
 LICENSE="LGPL-2"
 SLOT="0"
-IUSE=""
 KEYWORDS="amd64 ~ppc ~sparc x86"
 
 src_prepare() {
 	default
-	# inset LDFLAGS
-	sed -i Makefile.in \
-		-e 's| -O2 ||g' \
-		-e '/ -o br /s|${CFLAGS}|& $(LDFLAGS)|g' \
-		|| die "sed Makefile.in"
+
+	sed -e 's| -O2 ||' \
+		-e '/ -o br /s|${CFLAGS}|& $(CPPFLAGS) $(LDFLAGS)|' \
+		-i Makefile.in || die
+
+	eautoreconf #874321
 }
 
 src_configure() {
 	econf --with-x10port=/dev/firecracker
 }
 
-src_compile() {
-	emake CC="$(tc-getCC)"
-}
-
 src_install() {
-	dodoc README
 	dobin br
+	dodoc README
 }
 
 pkg_postinst() {