From d1e28b22673777fe1290cda899abf73aad02e4aa Mon Sep 17 00:00:00 2001
From: Christopher James Halse Rogers <christopher.halse.rogers@canonical.com>
Date: Thu, 3 Feb 2011 11:19:32 +1100
Subject: mesa: Optionally build a dricore support library (v3)

This an adds --enable-shared-dricore option to configure.  When enabled,
DRI modules will link against a shared copy of the common mesa routines
rather than statically linking these.

This saves about 30MB on disc with a full complement of classic DRI
drivers.

v2: Only enable with a gcc-compatible compiler that handles rpath
    Handle DRI_CFLAGS without filter-out magic
    Build shared libraries with the full mklib voodoo
    Fix typos
v3: Resolve conflicts with talloc removal patches

Signed-off-by: Christopher James Halse Rogers <christopher.halse.rogers@canonical.com>
---
 src/glsl/Makefile | 34 +++++++++++++++++++++++++++++++---
 1 file changed, 31 insertions(+), 3 deletions(-)

(limited to 'src/glsl')

diff --git a/src/glsl/Makefile b/src/glsl/Makefile
index 5567555a90..cf8d4b1a70 100644
--- a/src/glsl/Makefile
+++ b/src/glsl/Makefile
@@ -1,3 +1,4 @@
+
 #src/glsl/pp/Makefile
 
 TOP = ../..
@@ -113,6 +114,9 @@ OBJECTS = \
 	$(C_SOURCES:.c=.o) \
 	$(CXX_SOURCES:.cpp=.o)
 
+DRICORE_OBJ_DIR = obj-visible
+OBJECTS_DRICORE = $(addprefix $(DRICORE_OBJ_DIR)/,$(OBJECTS))
+
 INCLUDES = \
 	-I. \
 	-I../mesa \
@@ -128,7 +132,13 @@ ALL_SOURCES = \
 
 ##### TARGETS #####
 
-default: depend lib$(LIBNAME).a $(APPS)
+default: depend lib$(LIBNAME).a $(APPS) $(DRICORE_GLSL_LIBS)
+
+$(TOP)/$(LIB_DIR)/libglsl.so: $(OBJECTS_DRICORE) builtin_function.o Makefile $(TOP)/src/glsl/Makefile.template
+	$(MKLIB) -o $@ -linker '$(CXX)' -ldflags '$(LDFLAGS)' \
+		-cplusplus -noprefix \
+		-install $(TOP)/$(LIB_DIR) -id $(INSTALL_LIB_DIR)/$@.dylib \
+		$(OBJECTS_DRICORE) builtin_function.o
 
 lib$(LIBNAME).a: $(OBJECTS) builtin_function.o Makefile $(TOP)/src/glsl/Makefile.template
 	$(MKLIB) -cplusplus -o $(LIBNAME) -static $(OBJECTS) builtin_function.o
@@ -139,14 +149,24 @@ depend: $(ALL_SOURCES) Makefile
 	$(MKDEP) $(MKDEP_OPTIONS) $(INCLUDES) $(ALL_SOURCES) 2> /dev/null
 
 # Remove .o and backup files
-clean:
+clean: clean-dricore
 	rm -f $(GLCPP_OBJECTS) $(GLSL2_OBJECTS) $(OBJECTS) lib$(LIBNAME).a depend depend.bak builtin_function.cpp builtin_function.o builtin_stubs.o builtin_compiler
 	-rm -f $(APPS)
 
+clean-dricore:
+	-rm -f $(DRICORE_OBJ_DIR) $(TOP)/$(LIB_DIR)/libglsl.so libglsl.so
+
+ifneq (,$(DRICORE_GLSL_LIBS))
+DRICORE_INSTALL_TARGET = install-dricore
+endif
+
 # Dummy target
-install:
+install: $(DRICORE_INSTALL_TARGET)
 	@echo -n ""
 
+install-dricore: default
+	$(INSTALL) -d $(DESTDIR)$(DRI_DRIVER_INSTALL_DIR)
+	$(INSTALL) -m 755 $(DRICORE_GLSL_LIBS) $(DESTDIR)$(DRI_DRIVER_INSTALL_DIR)
 
 ##### RULES #####
 
@@ -163,6 +183,14 @@ glcpp/glcpp: $(GLCPP_OBJECTS)
 .c.o:
 	$(CC) -c $(INCLUDES) $(CFLAGS) $(DEFINES) $< -o $@
 
+$(DRICORE_OBJ_DIR)/%.o : %.cpp
+	@mkdir -p $(dir $@)
+	$(CXX) -c $(INCLUDES) $(DRI_CXXFLAGS) $(DEFINES) $< -o $@
+
+$(DRICORE_OBJ_DIR)/%.o : %.c
+	@mkdir -p $(dir $@)
+	$(CC) -c $(INCLUDES) $(DRI_CFLAGS) $(DEFINES) $< -o $@
+
 glsl_lexer.cpp: glsl_lexer.lpp
 	flex --nounistd -o$@  $<
 
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