1 files changed, 26 insertions, 0 deletions
diff --git a/dev-util/boost-build/files/boost-build-1.77.0-darwin-gentoo-toolchain.patch b/dev-util/boost-build/files/boost-build-1.77.0-darwin-gentoo-toolchain.patch
new file mode 100644
index 000000000000..2690e5fe5d97
--- /dev/null
+++ b/dev-util/boost-build/files/boost-build-1.77.0-darwin-gentoo-toolchain.patch
@@ -0,0 +1,26 @@
+Avoid adding all kinds of things to the toolchain's flags that within
+Gentoo (Prefix) we really shouldn't, such as sysroot, deployment target,
+arch, etc.
+
+--- a/tools/darwin.jam
++++ b/tools/darwin.jam
+@@ -240,6 +240,9 @@
+         }
+     }
+ 
++    # leave compiler flags etc. up to the toolchain
++    return $(version-feature) ;
++
+     if $(version-feature)
+     {
+         if $(.debug-configuration)
+@@ -448,7 +451,8 @@
+             support-ppc64 = ;
+         }
+     }
+-    switch $(arch)
++    # Gentoo Prefix toolchain doesn't do multi-arch, so don't try either
++    switch $(donotaddarchpleaseXXXarch)
+     {
+         case combined :
+         {