@@ -, +, @@ 
---
 sci-libs/dealii/dealii-9.2.0.ebuild                 |  1 +
 sci-libs/dealii/files/dealii-9.2.0-boost-1.75.patch | 11 +++++++++++
 2 files changed, 12 insertions(+)
 create mode 100644 sci-libs/dealii/files/dealii-9.2.0-boost-1.75.patch
--- a/sci-libs/dealii/dealii-9.2.0.ebuild	
+++ a/sci-libs/dealii/dealii-9.2.0.ebuild	
@@ -74,6 +74,7 @@ DEPEND="${RDEPEND}
 
 PATCHES=(
 	"${FILESDIR}"/${PN}-9.1.1-no-ld-flags.patch
+	"${FILESDIR}"/${P}-boost-1.75.patch
 )
 
 src_configure() {
--- a/sci-libs/dealii/files/dealii-9.2.0-boost-1.75.patch	
+++ a/sci-libs/dealii/files/dealii-9.2.0-boost-1.75.patch	
@@ -0,0 +1,11 @@ 
+Fix build with boost-1.75
+
+https://bugs.gentoo.org/764962
+https://github.com/dealii/dealii/commit/9c1a580
+--- a/source/fe/mapping.cc
++++ b/source/fe/mapping.cc
+@@ -22,2 +22,4 @@
+ 
++#include <boost/geometry.hpp>
++
+ DEAL_II_NAMESPACE_OPEN
--