projects.py: Add commands cflags and ldflags

Signed-off-by: Jan Lindemann <jan@janware.com>

scripts/projects.py

@@ -13,6 +13,9 @@ def re_section(name):
                  re.DOTALL)
 
 # --------------------------------------------------------------------- helpers
+def proj_dir(name):
+    return projs_root + '/' + name
+
 def strip_module_from_spec(mod):
     return re.sub(r'-devel$|-run$', '', re.split('([=><]+)', mod)[0].strip())
 
@@ -33,7 +36,7 @@ def get_section(path, section):
     return r.rstrip()
  
 def get_value(name, section, key):
-    proj_root = projs_root + '/' + name
+    proj_root = proj_dir(name)
     if section == 'version':
         with open(proj_root + '/VERSION', 'r') as file:
             r=file.read().replace('\n', '').replace('-dev', '')
@@ -69,31 +72,38 @@ def get_value(name, section, key):
         if len(r):
             return r[0]
     return None
- 
-def add_modules_from_project_txt(buf, spec, section, key, add_self, recursive,
+
+# scope 0: no children
+# scope 1: children
+# scope 2: recursive
+
+def add_modules_from_project_txt(buf, spec, section, key, add_self, scope,
         names_only):
     name = strip_module_from_spec(spec)
     if names_only:
         spec = name
     if spec in buf:
         return
-    if recursive:
-        deps = get_value(name, section, key)
-        if deps:
-            deps = deps.split(',')
-            for dep in deps:
-                add_modules_from_project_txt(buf, dep,
-                        section, key, add_self=True, recursive=True,
-                        names_only=names_only)
+    deps = get_value(name, section, key)
+    if deps and scope > 0:
+        if scope == 1:
+            subscope = 0
+        else:
+            subscope = 2
+        deps = deps.split(',')
+        for dep in deps:
+            add_modules_from_project_txt(buf, dep,
+                    section, key, add_self=True, scope=subscope,
+                    names_only=names_only)
     if add_self:
-        buf.append(name)
+        buf.append(spec)
 
-def get_modules_from_project_txt(names, section, key, add_self, recursive,
+def get_modules_from_project_txt(names, section, key, add_self, scope,
         names_only = True):
     #r = Set()
     r = []
     for name in names:
-        add_modules_from_project_txt(r, name, section, key, add_self, recursive,
+        add_modules_from_project_txt(r, name, section, key, add_self, scope,
                 names_only)
     return r
 
@@ -110,10 +120,32 @@ def cmd_ldlibpath(args_):
     parser.add_argument('module', nargs='*', help='Modules')
     args=parser.parse_args(args_)
     deps = get_modules_from_project_txt(args.module, 'pkg.required', 'run',
-            recursive=True, add_self=True, names_only=True)
+            scope = 2, add_self=True, names_only=True)
     r = ''
     for m in deps:
-        r = r + ':' + projs_root + '/' + m + '/lib'
+        r = r + ':' + proj_dir(m) + '/lib'
+    print r[1:]
+
+def cmd_ldflags(args_):
+    parser = argparse.ArgumentParser(description='ldlibpath')
+    parser.add_argument('module', nargs='*', help='Modules')
+    args=parser.parse_args(args_)
+    deps = get_modules_from_project_txt(args.module, 'pkg.required', 'build',
+            scope = 1, add_self=True, names_only=True)
+    r = ''
+    for m in reversed(deps):
+        r = r + ' -L' + proj_dir(m) + '/lib -l' + m
+    print r[1:]
+
+def cmd_cflags(args_):
+    parser = argparse.ArgumentParser(description='ldlibpath')
+    parser.add_argument('module', nargs='*', help='Modules')
+    args=parser.parse_args(args_)
+    deps = get_modules_from_project_txt(args.module, 'pkg.required', 'build',
+            scope = 1, add_self=True, names_only=True)
+    r = ''
+    for m in reversed(deps):
+        r = r + ' -I' + proj_dir(m) + '/include'
     print r[1:]
 
 def cmd_path(args_):
@@ -121,10 +153,10 @@ def cmd_path(args_):
     parser.add_argument('module', nargs='*', help='Modules')
     args=parser.parse_args(args_)
     deps = get_modules_from_project_txt(args.module, 'pkg.required', 'run',
-            recursive=True, add_self=True, names_only=True)
+            scope = 2, add_self=True, names_only=True)
     r = ''
     for m in deps:
-        r = r + ':' + projs_root + '/' + m + '/bin'
+        r = r + ':' + proj_dir(m) + '/bin'
     print r[1:]
 
 def cmd_pkg_requires(args_):
@@ -151,6 +183,15 @@ def cmd_pkg_requires(args_):
             r.append(' '.join(dep))
     print ', '.join(r)
 
+def cmd_proj_dir(args_):
+    parser = argparse.ArgumentParser(description='proj-dir')
+    parser.add_argument('module', nargs='*', help='Modules')
+    args=parser.parse_args(args_)
+    r = []
+    for m in args.module:
+        r.append(proj_dir(m))
+    print ' '.join(r)
+
 # -------------------------------------------------------------------- here we go
 
 global_args = []