BUG: Use GMSH v2; workaround suggested by @angus-g

Author: Patol75

assemble/tests/Makefile.in

@@ -37,7 +37,7 @@ CC  = @CC@
 CFLAGS  = @CFLAGS@ -I../../include
 
 CXX = @CXX@ -I../../include
-CXXFLAGS= @CPPFLAGS@ @CXXFLAGS@ -I../include -I../../include 
+CXXFLAGS= @CPPFLAGS@ @CXXFLAGS@ -I../include -I../../include
 
 LDFLAGS  = @LDFLAGS@
 
@@ -57,9 +57,9 @@ unittest: $(TEST_BINARIES) data
 
 data:
 	cd ../../tests/data; \
-	gmsh -3 cube_prismatic.geo; \
+	gmsh -format msh2 -3 cube_prismatic.geo; \
 	../../bin/gmsh2triangle cube_prismatic.msh; \
-	gmsh -3 cube_unstructured.geo; \
+	gmsh -format msh2 -3 cube_unstructured.geo; \
 	../../bin/gmsh2triangle cube_unstructured.msh; \
 	cd -
 

tools/gmsh2triangle.py

@@ -45,7 +45,7 @@
 
 # Header section
 assert mshfile.readline().strip() == "$MeshFormat"
-assert mshfile.readline().strip() == "4.1 0 8"
+assert mshfile.readline().strip() in ["2 0 8", "2.1 0 8", "2.2 0 8"]
 assert mshfile.readline().strip() == "$EndMeshFormat"
 
 # Nodes section