From f6613fe1ee6d879192fd4e503cb632b0dcab1fe7 Mon Sep 17 00:00:00 2001
From: Richard Ipsum <richard.ipsum@codethink.co.uk>
Date: Thu, 9 Jul 2015 22:24:21 +0100
Subject: Add support for Module::Build build system

ExtUtils::MakeMaker is preferred, Module::Build was meant to replace it
but essentially wasn't good enough, some projects still use Module::Build
though.

Change-Id: I124ee7b33f32167302e9bcb5299f6422f4fc346e
---
 morphlib/buildsystem.py | 43 ++++++++++++++++++++++++++++++++++++++++++-
 1 file changed, 42 insertions(+), 1 deletion(-)

diff --git a/morphlib/buildsystem.py b/morphlib/buildsystem.py
index 141b4a55..4655f2ee 100644
--- a/morphlib/buildsystem.py
+++ b/morphlib/buildsystem.py
@@ -192,7 +192,7 @@ class PythonDistutilsBuildSystem(BuildSystem):
 
 class ExtUtilsMakeMakerBuildSystem(BuildSystem):
 
-    '''The Perl cpan build system.
+    '''The ExtUtils::MakeMaker build system.
 
     To install perl distributions into the correct location in our chroot
     we need to set PREFIX to <destdir>/<prefix> in the configure-commands.
@@ -205,6 +205,8 @@ class ExtUtilsMakeMakerBuildSystem(BuildSystem):
 
     '''
 
+    # This is called the 'cpan' build system for historical reasons,
+    # back when morph only supported one of the perl build systems.
     name = 'cpan'
 
     def __init__(self):
@@ -233,6 +235,44 @@ class ExtUtilsMakeMakerBuildSystem(BuildSystem):
 
         return any(x in file_list for x in indicators)
 
+
+class ModuleBuildBuildSystem(BuildSystem):
+
+    '''The Module::Build build system'''
+
+    name = 'module-build'
+
+    def __init__(self):
+        super(ModuleBuildBuildSystem, self).__init__()
+
+        self.configure_commands = [
+            # See the comment in ExtUtilsMakeMakerBuildSystem
+            # to see why --prefix is set to $DESTDIR$PREFIX here,
+            # (--prefix in Module::Build has the same meaning
+            #  as PREFIX in ExtUtils::MakeMaker)
+            'perl Build.PL --prefix "$DESTDIR$PREFIX"'
+        ]
+
+        self.build_commands = [
+            './Build'
+        ]
+
+        self.test_commands = [
+            './Build test'
+        ]
+
+        self.install_commands =  [
+            './Build install'
+        ]
+
+    def used_by_project(self, file_list):
+        indicators = [
+            'Build.PL'
+        ]
+
+        return any(x in file_list for x in indicators)
+
+
 class CMakeBuildSystem(BuildSystem):
 
     '''The cmake build system.'''
@@ -296,6 +336,7 @@ build_systems = [
     AutotoolsBuildSystem(),
     PythonDistutilsBuildSystem(),
     ExtUtilsMakeMakerBuildSystem(),
+    ModuleBuildBuildSystem(),
     CMakeBuildSystem(),
     QMakeBuildSystem(),
     DummyBuildSystem(),
-- 
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