Make sure libGL.so links with libglsl

Can't link against *.la files if we're not using libtool to link.

Fixes undefined symbol: _ZN23ir_hierarchical_visitor5visitEP11ir_variable

configure.ac

@@ -401,6 +401,7 @@ GLESv1_CM_LIB_NAME='lib$(GLESv1_CM_LIB).'${LIB_EXTENSION}
 GLESv2_LIB_NAME='lib$(GLESv2_LIB).'${LIB_EXTENSION}
 VG_LIB_NAME='lib$(VG_LIB).'${LIB_EXTENSION}
 GLAPI_LIB_NAME='lib$(GLAPI_LIB).'${LIB_EXTENSION}
+GLSL_LIB_NAME='libglsl.'${LIB_EXTENSION}
 
 GL_LIB_GLOB=${LIB_PREFIX_GLOB}'$(GL_LIB)'${LIB_VERSION_SEPARATOR}'*'${LIB_EXTENSION}'*'
 GLU_LIB_GLOB=${LIB_PREFIX_GLOB}'$(GLU_LIB)'${LIB_VERSION_SEPARATOR}'*'${LIB_EXTENSION}'*'
@@ -420,6 +421,7 @@ AC_SUBST([GLESv1_CM_LIB_NAME])
 AC_SUBST([GLESv2_LIB_NAME])
 AC_SUBST([VG_LIB_NAME])
 AC_SUBST([GLAPI_LIB_NAME])
+AC_SUBST([GLSL_LIB_NAME])
 
 AC_SUBST([GL_LIB_GLOB])
 AC_SUBST([GLU_LIB_GLOB])

src/mesa/sources.mak

@@ -368,7 +368,7 @@ COMMON_DRIVER_OBJECTS = $(COMMON_DRIVER_SOURCES:.c=.o)
 ### Other archives/libraries
 
 GLSL_LIBS = \
-	$(TOP)/src/glsl/libglsl.la
+	$(TOP)/src/glsl/.libs/$(GLSL_LIB_NAME)
 
 
 ### Include directories