Allow packagers to more easily rename the library.

Patch by Sebastian Reitenbach!

GNUmakefile

@@ -7,11 +7,15 @@ SVN_TAG_NAME=objc2
 
 include $(GNUSTEP_MAKEFILES)/common.make
 
-LIBRARY_NAME = libobjc libobjcxx
+LIBOBJC = libobjc
+LIBOBJCLIBNAME = objc
+LIBOBJCXX = libobjcxx
 
-libobjc_VERSION = 4
+LIBRARY_NAME = ${LIBOBJC} ${LIBOBJCXX}
 
-libobjc_OBJC_FILES = \
+${LIBOBJC}_VERSION = 4
+
+${LIBOBJC}_OBJC_FILES = \
 	NSBlocks.m\
 	Protocol2.m\
 	associate.m\
@@ -20,7 +24,7 @@ libobjc_OBJC_FILES = \
 	properties.m
 
 
-libobjc_C_FILES = \
+${LIBOBJC}_C_FILES = \
 	abi_version.c\
 	alias_table.c\
 	caps.c\
@@ -42,19 +46,19 @@ libobjc_C_FILES = \
 	statics_loader.c\
 	toydispatch.c
 
-libobjcxx_CC_FILES = objcxx_eh.cc
-libobjcxx_LDFLAGS = -L./obj/$(GNUSTEP_TARGET_LDIR)/ -lstdc++ -lobjc
+${LIBOBJCXX}_CC_FILES = objcxx_eh.cc
+${LIBOBJCXX}_LDFLAGS = -L./obj/$(GNUSTEP_TARGET_LDIR)/ -lstdc++ -l${LIBOBJCLIBNAME}
 
 ifeq ($(disable_legacy), yes)
-libobjc_CPPFLAGS += -DNO_LEGACY
+${LIBOBJC}_CPPFLAGS += -DNO_LEGACY
 else
-libobjc_C_FILES += legacy_malloc.c
+${LIBOBJC}_C_FILES += legacy_malloc.c
 endif
 
-libobjc_HEADER_FILES_DIR = objc
-libobjc_HEADER_FILES_INSTALL_DIR = objc
+${LIBOBJC}_HEADER_FILES_DIR = objc
+${LIBOBJC}_HEADER_FILES_INSTALL_DIR = objc
 ifneq ($(install_headers), no)
-libobjc_HEADER_FILES = \
+${LIBOBJC}_HEADER_FILES = \
 	Availability.h\
 	Object.h\
 	Protocol.h\
@@ -73,66 +77,66 @@ endif
 
 # Disable type dependent dispatch if tdd=no is specified
 ifneq ($(tdd), no)
-libobjc_CPPFLAGS += -DTYPE_DEPENDENT_DISPATCH
+${LIBOBJC}_CPPFLAGS += -DTYPE_DEPENDENT_DISPATCH
 endif
 
 ifeq ($(low_memory), yes)
-libobjc_CPPFLAGS += -D__OBJC_LOW_MEMORY__
+${LIBOBJC}_CPPFLAGS += -D__OBJC_LOW_MEMORY__
 endif
 
 ifneq ($(boehm_gc), no)
-libobjc_C_FILES += gc_boehm.c
+${LIBOBJC}_C_FILES += gc_boehm.c
 ifneq ($(findstring linux, $(GNUSTEP_TARGET_OS)), linux)
-libobjc_LIBRARIES_DEPEND_UPON += -lgc-threaded -lexecinfo
+${LIBOBJC}_LIBRARIES_DEPEND_UPON += -lgc-threaded -lexecinfo
 else
-libobjc_LIBRARIES_DEPEND_UPON += -lgc
+${LIBOBJC}_LIBRARIES_DEPEND_UPON += -lgc
 endif
-#libobjc_OBJCFLAGS += -fobjc-gc
-libobjc_CPPFLAGS += -DENABLE_GC
+#${LIBOBJC}_OBJCFLAGS += -fobjc-gc
+${LIBOBJC}_CPPFLAGS += -DENABLE_GC
 endif
 
 
 
 ifeq ($(findstring openbsd, $(GNUSTEP_HOST_OS)), openbsd)
-libobjc_LIBRARIES_DEPEND_UPON += -pthread 
+${LIBOBJC}_LIBRARIES_DEPEND_UPON += -pthread 
 else
-libobjc_LIBRARIES_DEPEND_UPON += -lpthread 
+${LIBOBJC}_LIBRARIES_DEPEND_UPON += -lpthread 
 endif
 
 # If we're doing a release build, don't tell people that the code that they're
 # using is rubbish - they complain.
 #CPPFLAGS += -DNO_SELECTOR_MISMATCH_WARNINGS
 
-libobjc_CFLAGS +=  -O3
+${LIBOBJC}_CFLAGS +=  -O3
 
 # Deprecated functions are only deprecated for external use, not for us because
 # we are special, precious, little flowers.
-libobjc_CPPFLAGS += -D__OBJC_RUNTIME_INTERNAL__=1 -D_XOPEN_SOURCE=500
+${LIBOBJC}_CPPFLAGS += -D__OBJC_RUNTIME_INTERNAL__=1 -D_XOPEN_SOURCE=500
 # Note to Riccardo.  Please do not 'fix' C99isms in this.  The new ABI is only
 # useful on compilers that support C99 (currently only clang), so there is no
 # benefit from supporting platforms with no C99 compiler.
-libobjc_CFLAGS += -std=gnu99 -g -fexceptions #-fvisibility=hidden
-libobjc_CCFLAGS += -std=c++98 -g -fexceptions #-fvisibility=hidden
-libobjc_CFLAGS += -Wno-unused-function
+${LIBOBJC}_CFLAGS += -std=gnu99 -g -fexceptions #-fvisibility=hidden
+${LIBOBJC}_CCFLAGS += -std=c++98 -g -fexceptions #-fvisibility=hidden
+${LIBOBJC}_CFLAGS += -Wno-unused-function
 
 # Uncomment this when debugging - it makes everything slow, but means that the
 # debugger actually works...
 ifeq ($(debug), yes)
-libobjc_CFLAGS += -fno-inline
-libobjc_CPPFLAGS += -DGC_DEBUG
+${LIBOBJC}_CFLAGS += -fno-inline
+${LIBOBJC}_CPPFLAGS += -DGC_DEBUG
 endif
-libobjc_OBJCFLAGS += $(libobjc_CFLAGS) $(libobjc_CFLAGS)
+${LIBOBJC}_OBJCFLAGS += $(${LIBOBJC}_CFLAGS) $(${LIBOBJC}_CFLAGS)
 
 ifneq ($(findstring gcc, $(CC)),)
   # Hack to get the __sync_* GCC builtins to work with GCC
   ifeq ($(GNUSTEP_TARGET_CPU), ix86)
-    libobjc_CFLAGS += -march=i586
+    ${LIBOBJC}_CFLAGS += -march=i586
   endif
 endif
 
 ifeq ($(GNUSTEP_TARGET_OS), mingw32)
 # Hack to get mingw to provide declaration for strdup (since it is non-standard)
-libobjc_CPPFLAGS += -U__STRICT_ANSI__
+${LIBOBJC}_CPPFLAGS += -U__STRICT_ANSI__
 endif
 
 include $(GNUSTEP_MAKEFILES)/aggregate.make