mesa-7.9.2, hack to avoid the need for Python 2.7 at build. (#13542)

Co-authored-by: Oscar Lesta <oscar.lesta@gmail.com>

sys-libs/mesa/mesa-7.9.2.recipe

@@ -36,16 +36,12 @@ BUILD_REQUIRES="
 	haiku${secondaryArchSuffix}_devel
 	"
 BUILD_PREREQUIRES="
-	libxml2_python
 	cmd:bison
 	cmd:cmp
-	cmd:find
 	cmd:flex
 	cmd:gcc$secondaryArchSuffix
 	cmd:ld$secondaryArchSuffix
-#	cmd:python
 	cmd:make
-	cmd:sed
 	"
 
 BUILD()
@@ -53,7 +49,9 @@ BUILD()
 	if [ -n "$secondaryArchSuffix" ]; then
 		export HAIKU_SECONDARY_ARCH="$effectiveTargetArchitecture"
 	fi
-	#make DEBUG=1 haiku $jobArgs
+
+	# This avoids the need for python2.7 + lxml2_python, at the cost of breaking GLES
+	touch src/mesa/main/api_exec_es{1,2}.c
 	make haiku $jobArgs
 }
 

sys-libs/mesa/patches/mesa-7.9.2.patchset

@@ -1,4 +1,4 @@
-From 5c48eaf605605a1282782d3d6723097c4f920a51 Mon Sep 17 00:00:00 2001
+From b3cfd34c382a4350625597bd5b75a1a18a05c382 Mon Sep 17 00:00:00 2001
 From: Adrien Destugues <pulkomandy@gmail.com>
 Date: Fri, 7 Nov 2014 09:42:21 +0100
 Subject: libGL: link against libbe
@@ -20,10 +20,10 @@ index 9d7d301..8195813 100644
  		$(GL_LIB_DEPS) $(GLAPI_LIB) $(OBJECTS) $(GLU_LIB)
  
 -- 
-2.7.0
+2.52.0
 
 
-From dd18a215caad3ed86c7740c470bf1817f3d3590a Mon Sep 17 00:00:00 2001
+From 856529a763dee7678467b83083da6a73eabf344b Mon Sep 17 00:00:00 2001
 From: Adrien Destugues <pulkomandy@gmail.com>
 Date: Tue, 31 Jan 2017 22:42:25 +0100
 Subject: Make compatible with bison 3.x.
@@ -5851,5 +5851,5 @@ index 041a49f..6a1ef0f 100644
  
  %union {
 -- 
-2.7.0
+2.52.0