X-Git-Url: https://git.libre-soc.org/?a=blobdiff_plain;ds=sidebyside;f=scons%2Fcustom.py;h=277c05b67975e43d8cbe851df9eaa80c6f0c83d4;hb=2d3d0d3a5ae3829260f914462f4e63b2ff4aadbc;hp=cc953bd999a0167aa728436f0b4d4b71670f8e34;hpb=2470e918cc29e5d057a28551ce9c15e7d83fab7e;p=mesa.git

diff --git a/scons/custom.py b/scons/custom.py
index cc953bd999a..277c05b6797 100644
--- a/scons/custom.py
+++ b/scons/custom.py
@@ -235,6 +235,15 @@ def parse_source_list(env, filename, names=None):
     # parse the source list file
     parser = source_list.SourceListParser()
     src = env.File(filename).srcnode()
+
+    cur_srcdir = env.Dir('.').srcnode().abspath
+    top_srcdir = env.Dir('#').abspath
+    top_builddir = os.path.join(top_srcdir, env['build_dir'])
+
+    # Populate the symbol table of the Makefile parser.
+    parser.add_symbol('top_srcdir', top_srcdir)
+    parser.add_symbol('top_builddir', top_builddir)
+
     sym_table = parser.parse(src.abspath)
 
     if names:
@@ -249,7 +258,21 @@ def parse_source_list(env, filename, names=None):
     src_lists = {}
     for sym in symbols:
         val = sym_table[sym]
-        src_lists[sym] = [f for f in val.split(' ') if f]
+        srcs = []
+        for f in val.split():
+            if f:
+                # Process source paths
+                if f.startswith(top_builddir + '/src'):
+                    # Automake puts build output on a `src` subdirectory, bue
+                    # SCons does no, so strip it here.
+                    f = top_builddir + f[len(top_builddir + '/src'):]
+                if f.startswith(cur_srcdir + '/'):
+                    # Prefer relative source paths, as absolute files tend to
+                    # cause duplicate actions.
+                    f = f[len(cur_srcdir + '/'):]
+                srcs.append(f)
+
+        src_lists[sym] = srcs
 
     # if names are given, concatenate the lists
     if names: