Fix support for Windows (MinGW) native builds using MSYS.

Fix paths that need to be coverted to host format.

The shell expansion needs to invoke a shell on Windows as cmd.exe
will not work.

Munch the paths into smaller sizes for Windows due to the limited
path size.

source-builder/defaults.mc

@@ -43,12 +43,16 @@ _bset:               none,    none,     ''
 name:                none,    none,     ''
 version:             none,    none,     ''
 release:             none,    none,     ''
+buildname:           none,    none,     '%{name}'
 
 # GNU triples needed to build packages
 _host:               triplet, required, ''
 _build:              triplet, required, '%{_host}'
 _target:             none,    optional, ''
 
+# The user
+_uid:                none,    convert,  '%(%{__id_u} -n)'
+
 # Paths
 _host_platform:      none,    none,     '%{_host_cpu}-%{_host_vendor}-%{_host_os}%{?_gnu}'
 _arch:               none,    none,     '%{_host_arch}'
@@ -57,14 +61,14 @@ _configdir:          dir,     optional, '%{_topdir}/config:%{_sbdir}/config'
 _tardir:             dir,     optional, '%{_topdir}/tar'
 _sourcedir:          dir,     optional, '%{_topdir}/sources'
 _patchdir:           dir,     optional, '%{_topdir}/patches:%{_sbdir}/patches'
-_builddir:           dir,     optional, '%{_topdir}/build/%{name}-%{version}-%{release}'
-_buildcxcdir:        dir,     optional, '%{_topdir}/build/%{name}-%{version}-%{release}-cxc'
+_builddir:           dir,     optional, '%{_topdir}/build/%{buildname}'
+_buildcxcdir:        dir,     optional, '%{_topdir}/build/%{buildname}-cxc'
 _docdir:             dir,     none,     '%{_defaultdocdir}'
 _tmppath:            dir,     none,     '%{_topdir}/build/tmp'
-_tmproot:            dir,     none,     '%{_tmppath}/source-build-%(%{__id_u} -n)/%{_bset}'
-_tmpcxcroot:         dir,     none,     '%{_tmppath}/source-build-%(%{__id_u} -n)-cxc/%{_bset}'
-buildroot:           dir,     none,     '%{_tmppath}/%{name}-root-%(%{__id_u} -n)'
-buildcxcroot:        dir,     none,     '%{_tmppath}/%{name}-root-%(%{__id_u} -n)-cxc'
+_tmproot:            dir,     none,     '%{_tmppath}/sb-%{_uid}/%{_bset}'
+_tmpcxcroot:         dir,     none,     '%{_tmppath}/sb-%{_uid}-cxc/%{_bset}'
+buildroot:           dir,     none,     '%{_tmppath}/%{buildname}-%{_uid}'
+buildcxcroot:        dir,     none,     '%{_tmppath}/%{buildname}-%{_uid}-cxc'
 _datadir:            dir,     none,     '%{_prefix}/share'
 _defaultdocdir:      dir,     none,     '%{_prefix}/share/doc'
 _exeext:             none,    none,     ''
@@ -175,6 +179,7 @@ SB_DOC_DIR="%{_docdir}"
 export SB_DOC_DIR
 # Packages
 SB_PACKAGE_NAME="%{name}"
+SB_PACKAGE_BUILDNAME="%{buildname}"
 SB_PACKAGE_VERSION="%{version}"
 SB_PACKAGE_RELEASE="%{release}"
 export SB_PACKAGE_NAME SB_PACKAGE_VERSION SB_PACKAGE_RELEASE

source-builder/sb/build.py

@@ -90,6 +90,23 @@ class script:
 class build:
     """Build a package given a config file."""
 
+    def _name_(self, name):
+        #
+        # If on Windows use shorter names to keep the build paths.
+        #
+        if options.host_windows:
+            buildname = ''
+            add = True
+            for c in name:
+                if c == '-':
+                    add = True
+                elif add:
+                    buildname += c
+                    add = False
+            return buildname
+        else:
+            return name
+
     def __init__(self, name, create_tar_files, opts, macros = None):
         self.opts = opts
         if macros is None:
@@ -100,6 +117,7 @@ class build:
         log.notice('config: ' + name)
         self.config = config.file(name, opts, self.macros)
         self.script = script()
+        self.macros['buildname'] = self._name_(self.macros['name'])
 
     def rmdir(self, rmpath):
         log.output('removing: %s' % (path.host(rmpath)))
@@ -214,6 +232,7 @@ class build:
                 name = source['name']
             else:
                 raise error.general('setup source tag not found: %d' % (source_tag))
+        name = self._name_(name)
         self.script.append(self.config.expand('cd %{_builddir}'))
         if delete_before_unpack:
             self.script.append(self.config.expand('%{__rm} -rf ' + name))

source-builder/sb/config.py

@@ -353,7 +353,11 @@ class file:
         if len(sl):
             e = execute.capture_execution()
             for s in sl:
-                exit_code, proc, output = e.shell(s[2:-1])
+                if options.host_windows:
+                    cmd = '%s -c "%s"' % (self.macros.expand('%{__sh}'), s[2:-1])
+                else:
+                    cmd = s[2:-1]
+                exit_code, proc, output = e.shell(cmd)
                 if exit_code == 0:
                     line = line.replace(s, output)
                 else:

source-builder/sb/cvs.py

@@ -68,7 +68,7 @@ class repo:
             raise error.general('cvs path needs to exist: %s' % (cwd))
         cmd = [self.cvs, '-z', '9', '-q'] + args
         log.output('cmd: (%s) %s' % (str(cwd), ' '.join(cmd)))
-        exit_code, proc, output = e.spawn(cmd, cwd = cwd)
+        exit_code, proc, output = e.spawn(cmd, cwd = path.host(cwd))
         log.trace(output)
         if check:
             self._cvs_exit_code(cmd, exit_code, output)

source-builder/sb/git.py

@@ -44,7 +44,7 @@ class repo:
             cwd = None
         cmd = [self.git] + args
         log.trace('cmd: (%s) %s' % (str(cwd), ' '.join(cmd)))
-        exit_code, proc, output = e.spawn(cmd, cwd = cwd)
+        exit_code, proc, output = e.spawn(cmd, cwd = path.host(cwd))
         log.trace(output)
         if check:
             self._git_exit_code(exit_code)
@@ -69,8 +69,8 @@ class repo:
             raise error.general('invalid version number from git: %s' % (gvs[2]))
         return (int(vs[0]), int(vs[1]), int(vs[2]), int(vs[3]))
 
-    def clone(self, url, path):
-        ec, output = self._run(['clone', url, path], check = True)
+    def clone(self, url, _path):
+        ec, output = self._run(['clone', url, path.host(_path)], check = True)
 
     def fetch(self):
         ec, output = self._run(['fetch'], check = True)

source-builder/sb/macros.py

@@ -145,8 +145,11 @@ class macros:
             raise TypeError('bad value tuple value field: %s' % (type(value[2])))
         if value[0] not in ['none', 'triplet', 'dir', 'file', 'exe']:
             raise TypeError('bad value tuple (type field): %s' % (value[0]))
-        if value[1] not in ['none', 'optional', 'required', 'override', 'undefine']:
+        if value[1] not in ['none', 'optional', 'required', 
+                            'override', 'undefine', 'convert']:
             raise TypeError('bad value tuple (attrib field): %s' % (value[1]))
+        if value[1] == 'convert':
+            value = self.expand(value)
         self.macros[self.write_map][self.key_filter(key)] = value
 
     def __delitem__(self, key):

source-builder/sb/options.py

@@ -37,6 +37,11 @@ import sys
 
 basepath = 'sb'
 
+#
+# Save the host state.
+#
+host_windows = False
+
 class command_line:
     """Process the command line in a common way for all Tool Builder commands."""
 
@@ -460,6 +465,8 @@ def load(args, optargs = None, defaults = '%{_sbdir}/defaults.mc'):
     command line.
     """
 
+    global host_windows
+
     #
     # The path to this command.
     #
@@ -482,6 +489,7 @@ def load(args, optargs = None, defaults = '%{_sbdir}/defaults.mc'):
         try:
             import windows
             overrides = windows.load()
+            host_windows = True
         except:
             raise error.general('failed to load Windows host support')
     elif os.name == 'posix':