scons: Search only for mingw-w64 cross-compilers.

Some distros still ship the non-mingw-w64 cross-compilers, but they are
can't build Mesa properly, as Jakob pointed out.

diff --git a/scons/crossmingw.py b/scons/crossmingw.py
index 1287e0e..3412945 100644 (file)
--- a/scons/crossmingw.py
+++ b/scons/crossmingw.py
@@ -41,26 +41,13 @@ import SCons.Builder
 import SCons.Tool
 import SCons.Util
 
-# This is what we search for to find mingw:
+# These are the mingw toolchain prefixes we search for:
+# (We only search for the mingw-w64 toolchain, and not the mingw.org one.)
 prefixes32 = SCons.Util.Split("""
-    mingw32-
-    mingw32msvc-
-    i386-mingw32-
-    i486-mingw32-
-    i586-mingw32-
-    i686-mingw32-
-    i386-mingw32msvc-
-    i486-mingw32msvc-
-    i586-mingw32msvc-
-    i686-mingw32msvc-
-    i686-pc-mingw32-
     i686-w64-mingw32-
 """)
 prefixes64 = SCons.Util.Split("""
     x86_64-w64-mingw32-
-    amd64-mingw32-
-    amd64-mingw32msvc-
-    amd64-pc-mingw32-
 """)
 
 def find(env):