dev-cpp/fast_float: new package, add 6.1.0

Signed-off-by: Steffen Winter <steffen.winter@proton.me>

dev-cpp/fast_float/fast_float-6.1.0.ebuild

@@ -0,0 +1,29 @@
+# Copyright 2024 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+inherit cmake
+
+DESCRIPTION="Fast and exact implementation of the C++ from_chars functions for number types"
+HOMEPAGE="https://github.com/fastfloat/fast_float.git"
+SRC_URI="https://github.com/fastfloat/fast_float/archive/refs/tags/v${PV}.tar.gz -> ${P}.tar.gz"
+
+LICENSE="|| ( Apache-2.0 Boost-1.0 MIT )"
+SLOT="0"
+KEYWORDS="~amd64"
+IUSE="test"
+
+BDEPEND="test? ( dev-cpp/doctest )"
+
+RESTRICT="!test? ( test )"
+
+src_configure() {
+	local mycmakeargs=( -DFASTFLOAT_TEST=$(usex test ON OFF) )
+	use test && mycmakeargs+=(
+		-DSYSTEM_DOCTEST=ON
+		# Unconditionally calls FetchContent
+		-DFASTFLOAT_SUPPLEMENTAL_TESTS=OFF
+	)
+	cmake_src_configure
+}