Remove talloc from the SCons build system.

src/glsl/SConscript

@@ -12,9 +12,6 @@ env.Prepend(CPPPATH = [
     '#src/glsl',
 ])
 
-if env['platform'] == 'windows':
-    env.Prepend(CPPPATH = ['#src/talloc'])
-
 sources = [
     'glcpp/glcpp-lex.c',
     'glcpp/glcpp-parse.c',
@@ -88,13 +85,6 @@ if env['platform'] == common.host_platform:
         env.Prepend(CPPPATH = ['#/src/getopt'])
         env.PrependUnique(LIBS = [getopt])
 
-    if env['platform'] == 'windows':
-        env.Prepend(CPPPATH = ['#src/talloc'])
-        env.Prepend(LIBS = [talloc])
-    else:
-        env.Prepend(CPPPATH = ['#include'])
-        env.Prepend(LIBS = ['talloc'])
-
     builtin_compiler = env.Program(
         target = 'builtin_compiler',
         source = sources + ['main.cpp', 'builtin_stubs.cpp',
@@ -111,14 +101,6 @@ if env['platform'] == common.host_platform:
 
     env.Depends(builtin_glsl_function, ['builtins/tools/generate_builtins.py', 'builtins/tools/texture_builtins.py'] + Glob('builtins/ir/*'))
 
-    if env['msvc']:
-        # There is no LD_LIBRARY_PATH equivalent on Windows. We need to ensure
-        # talloc.dll is on the same dir as builtin_function.
-        talloc_dll_src = talloc.dir.File('talloc.dll')
-        talloc_dll_dst = builtin_compiler[0].dir.File('talloc.dll')
-        talloc_dll = env.Command(talloc_dll_dst, talloc_dll_src, Copy(talloc_dll_dst, talloc_dll_src))
-        env.Depends('builtin_function.cpp', talloc_dll)
-
     Export('builtin_glsl_function')
 
     if common.cross_compiling:
@@ -143,7 +125,7 @@ if env['platform'] == 'windows':
         'user32',
     ])
 
-env.Prepend(LIBS = [glsl, talloc])
+env.Prepend(LIBS = [glsl])
 
 env.Program(
     target = 'glsl2',