scons: Get GLSL code building correctly when cross compiling.

This is quite messy. GLSL code has to be built twice: one for the
host OS, another for the target OS.

4 files changed, 68 insertions, 71 deletions

diff --git a/src/glsl/SConscript b/src/glsl/SConscript
new file mode 100644
index 0000000000..6f1f81b199
--- /dev/null
+++ b/src/glsl/SConscript
@@ -0,0 +1,68 @@
+import common
+
+Import('*')
+
+env = env.Clone()
+
+sources = [
+    'pp/sl_pp_context.c',
+    'pp/sl_pp_define.c',
+    'pp/sl_pp_dict.c',
+    'pp/sl_pp_error.c',
+    'pp/sl_pp_expression.c',
+    'pp/sl_pp_extension.c',
+    'pp/sl_pp_if.c',
+    'pp/sl_pp_line.c',
+    'pp/sl_pp_macro.c',
+    'pp/sl_pp_pragma.c',
+    'pp/sl_pp_process.c',
+    'pp/sl_pp_purify.c',
+    'pp/sl_pp_token.c',
+    'pp/sl_pp_version.c',
+    'cl/sl_cl_parse.c',
+]
+
+glsl = env.StaticLibrary(
+    target = 'glsl',
+    source = sources,
+)
+
+Export('glsl')
+
+env = env.Clone()
+
+if env['platform'] == 'windows':
+    env.PrependUnique(LIBS = [
+        'user32',
+    ])
+
+env.Prepend(LIBS = [glsl])
+
+env.Program(
+    target = 'purify',
+    source = ['apps/purify.c'],
+)
+
+env.Program(
+    target = 'tokenise',
+    source = ['apps/tokenise.c'],
+)
+
+env.Program(
+    target = 'version',
+    source = ['apps/version.c'],
+)
+
+env.Program(
+    target = 'process',
+    source = ['apps/process.c'],
+)
+
+glsl_compile = env.Program(
+    target = 'compile',
+    source = ['apps/compile.c'],
+)
+
+if env['platform'] == common.default_platform:
+    # Only export the GLSL compiler when building for the host platform
+    Export('glsl_compile')
diff --git a/src/glsl/apps/SConscript b/src/glsl/apps/SConscript
deleted file mode 100644
index 4c81b3be95..0000000000
--- a/src/glsl/apps/SConscript
+++ /dev/null
@@ -1,36 +0,0 @@
-Import('*')
-
-env = env.Clone()
-
-if env['platform'] == 'windows':
-    env.PrependUnique(LIBS = [
-        'user32',
-    ])
-
-env.Prepend(LIBS = [glsl, glslcl])
-
-env.Program(
-    target = 'purify',
-    source = ['purify.c'],
-)
-
-env.Program(
-    target = 'tokenise',
-    source = ['tokenise.c'],
-)
-
-env.Program(
-    target = 'version',
-    source = ['version.c'],
-)
-
-env.Program(
-    target = 'process',
-    source = ['process.c'],
-)
-
-glsl_compile = env.Program(
-    target = 'compile',
-    source = ['compile.c'],
-)
-Export('glsl_compile')
diff --git a/src/glsl/cl/SConscript b/src/glsl/cl/SConscript
deleted file mode 100644
index 9a4e4c15b6..0000000000
--- a/src/glsl/cl/SConscript
+++ /dev/null
@@ -1,11 +0,0 @@
-Import('*')
-
-env = env.Clone()
-
-glslcl = env.StaticLibrary(
-    target = 'glslcl',
-    source = [
-        'sl_cl_parse.c',
-    ],
-)
-Export('glslcl')
diff --git a/src/glsl/pp/SConscript b/src/glsl/pp/SConscript
deleted file mode 100644
index 5bd615c8d7..0000000000
--- a/src/glsl/pp/SConscript
+++ /dev/null
@@ -1,24 +0,0 @@
-Import('*')
-
-env = env.Clone()
-
-glsl = env.StaticLibrary(
-    target = 'glsl',
-    source = [
-        'sl_pp_context.c',
-        'sl_pp_define.c',
-        'sl_pp_dict.c',
-        'sl_pp_error.c',
-        'sl_pp_expression.c',
-        'sl_pp_extension.c',
-        'sl_pp_if.c',
-        'sl_pp_line.c',
-        'sl_pp_macro.c',
-        'sl_pp_pragma.c',
-        'sl_pp_process.c',
-        'sl_pp_purify.c',
-        'sl_pp_token.c',
-        'sl_pp_version.c',
-    ],
-)
-Export('glsl')