@@ -, +, @@ 
---
 dev-libs/boehm-gc/boehm-gc-8.0.4.ebuild | 3 ++-
 dev-libs/boehm-gc/metadata.xml          | 1 +
 2 files changed, 3 insertions(+), 1 deletion(-)
--- a/dev-libs/boehm-gc/boehm-gc-8.0.4.ebuild	
+++ a/dev-libs/boehm-gc/boehm-gc-8.0.4.ebuild	
@@ -16,7 +16,7 @@ LICENSE="boehm-gc"
 # We've been using subslot 0 for these instead of "1.1".
 SLOT="0"
 KEYWORDS="~alpha amd64 arm arm64 hppa ~ia64 ~mips ppc ppc64 ~riscv ~s390 sparc x86 ~amd64-linux ~x86-linux ~ppc-macos ~x64-macos ~sparc-solaris ~sparc64-solaris ~x64-solaris ~x86-solaris"
-IUSE="cxx static-libs +threads"
+IUSE="cxx +large static-libs +threads"
 
 RDEPEND=">=dev-libs/libatomic_ops-7.4[${MULTILIB_USEDEP}]"
 DEPEND="${RDEPEND}"
@@ -36,6 +36,7 @@ multilib_src_configure() {
 		$(use_enable cxx cplusplus)
 		$(use_enable static-libs static)
 		$(use threads || echo --disable-threads)
+		$(use_enable large large-config)
 	)
 
 	ECONF_SOURCE=${S} econf "${config[@]}"
--- a/dev-libs/boehm-gc/metadata.xml	
+++ a/dev-libs/boehm-gc/metadata.xml	
@@ -4,5 +4,6 @@ 
 <maintainer type="project">
 	<email>toolchain@gentoo.org</email>
 	<name>Gentoo Toolchain Project</name>
+	<flag name="large">Enables large root sets</flag>
 </maintainer>
 </pkgmetadata>
--