glsl_compiler: Re-enable building glsl_compiler

This allows application developers to use Mesa's compiler as a
standalone validator for their shaders.

This is mostly a revert of commit 569f0e4.

Signed-off-by: Ian Romanick <ian.d.romanick@intel.com>
Reviewed-by: Kenneth Graunke <kenneth@whitecape.org>

src/glsl/Makefile.am

@@ -49,6 +49,8 @@ check_PROGRAMS =					\
 	tests/sampler-types-test			\
 	tests/uniform-initializer-test
 
+noinst_PROGRAMS = glsl_compiler
+
 tests_uniform_initializer_test_SOURCES =		\
 	$(top_srcdir)/src/mesa/main/hash_table.c	\
 	$(top_srcdir)/src/mesa/main/imports.c		\
@@ -99,6 +101,15 @@ libglsl_la_SOURCES =					\
 	glsl_parser.cpp					\
 	$(LIBGLSL_FILES)
 
+glsl_compiler_SOURCES = \
+	$(top_srcdir)/src/mesa/main/hash_table.c \
+	$(top_srcdir)/src/mesa/main/imports.c \
+	$(top_srcdir)/src/mesa/program/prog_hash_table.c \
+	$(top_srcdir)/src/mesa/program/symbol_table.c \
+	$(GLSL_COMPILER_CXX_FILES)
+
+glsl_compiler_LDADD = libglsl.la
+
 glsl_test_SOURCES = \
 	$(top_srcdir)/src/mesa/main/hash_table.c \
 	$(top_srcdir)/src/mesa/main/imports.c \

src/glsl/SConscript

@@ -98,11 +98,11 @@ if env['platform'] == 'windows':
 
 env.Prepend(LIBS = [glsl])
 
-glsl2 = env.Program(
-    target = 'glsl2',
+glsl_compiler = env.Program(
+    target = 'glsl_compiler',
     source = compiler_objs,
 )
-env.Alias('glsl2', glsl2)
+env.Alias('glsl_compiler', glsl_compiler)
 
 glcpp = env.Program(
     target = 'glcpp/glcpp',