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-rw-r--r--waflib/extras/cabal.py152
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diff --git a/waflib/extras/cabal.py b/waflib/extras/cabal.py
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+++ b/waflib/extras/cabal.py
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+#!/usr/bin/env python
+# encoding: utf-8
+# Anton Feldmann, 2012
+# "Base for cabal"
+
+from waflib import Task, Utils
+from waflib.TaskGen import extension
+from waflib.Utils import threading
+from shutil import rmtree
+
+lock = threading.Lock()
+registering = False
+
+def configure(self):
+ self.find_program('cabal', var='CABAL')
+ self.find_program('ghc-pkg', var='GHCPKG')
+ pkgconfd = self.bldnode.abspath() + '/package.conf.d'
+ self.env.PREFIX = self.bldnode.abspath() + '/dist'
+ self.env.PKGCONFD = pkgconfd
+ if self.root.find_node(pkgconfd + '/package.cache'):
+ self.msg('Using existing package database', pkgconfd, color='CYAN')
+ else:
+ pkgdir = self.root.find_dir(pkgconfd)
+ if pkgdir:
+ self.msg('Deleting corrupt package database', pkgdir.abspath(), color ='RED')
+ rmtree(pkgdir.abspath())
+ pkgdir = None
+
+ self.cmd_and_log(self.env.GHCPKG + ['init', pkgconfd])
+ self.msg('Created package database', pkgconfd, color = 'YELLOW' if pkgdir else 'GREEN')
+
+@extension('.cabal')
+def process_cabal(self, node):
+ out_dir_node = self.bld.root.find_dir(self.bld.out_dir)
+ package_node = node.change_ext('.package')
+ package_node = out_dir_node.find_or_declare(package_node.name)
+ build_node = node.parent.get_bld()
+ build_path = build_node.abspath()
+ config_node = build_node.find_or_declare('setup-config')
+ inplace_node = build_node.find_or_declare('package.conf.inplace')
+
+ config_task = self.create_task('cabal_configure', node)
+ config_task.cwd = node.parent.abspath()
+ config_task.depends_on = getattr(self, 'depends_on', '')
+ config_task.build_path = build_path
+ config_task.set_outputs(config_node)
+
+ build_task = self.create_task('cabal_build', config_node)
+ build_task.cwd = node.parent.abspath()
+ build_task.build_path = build_path
+ build_task.set_outputs(inplace_node)
+
+ copy_task = self.create_task('cabal_copy', inplace_node)
+ copy_task.cwd = node.parent.abspath()
+ copy_task.depends_on = getattr(self, 'depends_on', '')
+ copy_task.build_path = build_path
+
+ last_task = copy_task
+ task_list = [config_task, build_task, copy_task]
+
+ if (getattr(self, 'register', False)):
+ register_task = self.create_task('cabal_register', inplace_node)
+ register_task.cwd = node.parent.abspath()
+ register_task.set_run_after(copy_task)
+ register_task.build_path = build_path
+
+ pkgreg_task = self.create_task('ghcpkg_register', inplace_node)
+ pkgreg_task.cwd = node.parent.abspath()
+ pkgreg_task.set_run_after(register_task)
+ pkgreg_task.build_path = build_path
+
+ last_task = pkgreg_task
+ task_list += [register_task, pkgreg_task]
+
+ touch_task = self.create_task('cabal_touch', inplace_node)
+ touch_task.set_run_after(last_task)
+ touch_task.set_outputs(package_node)
+ touch_task.build_path = build_path
+
+ task_list += [touch_task]
+
+ return task_list
+
+def get_all_src_deps(node):
+ hs_deps = node.ant_glob('**/*.hs')
+ hsc_deps = node.ant_glob('**/*.hsc')
+ lhs_deps = node.ant_glob('**/*.lhs')
+ c_deps = node.ant_glob('**/*.c')
+ cpp_deps = node.ant_glob('**/*.cpp')
+ proto_deps = node.ant_glob('**/*.proto')
+ return sum([hs_deps, hsc_deps, lhs_deps, c_deps, cpp_deps, proto_deps], [])
+
+class Cabal(Task.Task):
+ def scan(self):
+ return (get_all_src_deps(self.generator.path), ())
+
+class cabal_configure(Cabal):
+ run_str = '${CABAL} configure -v0 --prefix=${PREFIX} --global --user --package-db=${PKGCONFD} --builddir=${tsk.build_path}'
+ shell = True
+
+ def scan(self):
+ out_node = self.generator.bld.root.find_dir(self.generator.bld.out_dir)
+ deps = [out_node.find_or_declare(dep).change_ext('.package') for dep in Utils.to_list(self.depends_on)]
+ return (deps, ())
+
+class cabal_build(Cabal):
+ run_str = '${CABAL} build -v1 --builddir=${tsk.build_path}/'
+ shell = True
+
+class cabal_copy(Cabal):
+ run_str = '${CABAL} copy -v0 --builddir=${tsk.build_path}'
+ shell = True
+
+class cabal_register(Cabal):
+ run_str = '${CABAL} register -v0 --gen-pkg-config=${tsk.build_path}/pkg.config --builddir=${tsk.build_path}'
+ shell = True
+
+class ghcpkg_register(Cabal):
+ run_str = '${GHCPKG} update -v0 --global --user --package-conf=${PKGCONFD} ${tsk.build_path}/pkg.config'
+ shell = True
+
+ def runnable_status(self):
+ global lock, registering
+
+ val = False
+ lock.acquire()
+ val = registering
+ lock.release()
+
+ if val:
+ return Task.ASK_LATER
+
+ ret = Task.Task.runnable_status(self)
+ if ret == Task.RUN_ME:
+ lock.acquire()
+ registering = True
+ lock.release()
+
+ return ret
+
+ def post_run(self):
+ global lock, registering
+
+ lock.acquire()
+ registering = False
+ lock.release()
+
+ return Task.Task.post_run(self)
+
+class cabal_touch(Cabal):
+ run_str = 'touch ${TGT}'
+