dev-util/boost-build: Fix for numpy include

Bug: https://bugs.gentoo.org/733830
Package-Manager: Portage-3.0.18, Repoman-3.0.3
Signed-off-by: David Seifert <soap@gentoo.org>
Signed-off-by: Sam James <sam@gentoo.org>

dev-util/boost-build/boost-build-1.76.0-r2.ebuild

@@ -24,6 +24,7 @@ PATCHES=(
 	"${FILESDIR}"/${PN}-1.73.0-add-none-feature-options.patch
 	"${FILESDIR}"/${PN}-1.76.0-respect-user-flags.patch
 	"${FILESDIR}"/${PN}-1.74.0-no-implicit-march-flags.patch
+	"${FILESDIR}"/${PN}-1.76.0-python-numpy.patch
 )
 
 src_unpack() {

dev-util/boost-build/files/boost-build-1.76.0-python-numpy.patch

@@ -0,0 +1,24 @@
+From 61adb508853be1fa2c01a0c3a0c55fbd16cb9a52 Mon Sep 17 00:00:00 2001
+From: Peter Dimov <pdimov@gmail.com>
+Date: Mon, 24 May 2021 22:11:23 +0300
+Subject: [PATCH] Declare the /python//numpy target to hold the include path
+ (fixes #725)
+
+---
+ tools/python.jam | 3 +++
+ 1 file changed, 3 insertions(+)
+
+diff --git a/tools/python.jam b/tools/python.jam
+index 00706932d2..0dfc750a22 100644
+--- a/tools/python.jam
++++ b/tools/python.jam
+@@ -1052,6 +1052,9 @@ local rule configure ( version ? : cmd-or-prefix ? : includes * : libraries ? :
+             ;
+     }
+ 
++    # Declare the numpy target, which contains the NumPy include directory
++
++    alias numpy : : $(target-requirements) : : <include>$(.numpy-include) ;
+ }
+ 
+ # Conditional rule specification that will prevent building of a target