#*************************************************************************
# Copyright (c) 2011 UChicago Argonne LLC, as Operator of Argonne
#     National Laboratory.
# Copyright (c) 2002 The Regents of the University of California, as
#     Operator of Los Alamos National Laboratory.
# EPICS BASE is distributed subject to a Software License Agreement found
# in file LICENSE that is included with this distribution. 
#*************************************************************************
#
#	check for add-on CFLAGS and CXXFLAGS
#
#	Rules:
#	1) USR_CFLAGS is used
#	2) if there is a special USR_CFLAGS_$(OS_CLASS), it's
#	   appended to 1)
#	3) if there is no special defined, but a generic USR_CFLAGS_DEFAULT,
#	   this one is appended
#	4) if you have the special case that your USR_CFLAGS_$(OS_CLASS) is
#	   empty but you don't want 3), you have to define it as '-nil-', e.g.:
#		USR_CFLAGS = <defines for all systems>
#		USR_CFLAGS_WIN = -nil-
#		USR_CFLAGS_DEFAULT = <defines for most systems, not WIN32>
#
#    These rules apply to these Makefile-variables:
#    USR_CFLAGS    C flags
#    USR_CXXFLAGS  C++ flags
#    USR_CPPFLAGS  c preprocesser flags
#    SRCS          source files for building libraries and prods
#    USR_SRCS      source files for building libraries and prods
#    PROD_SRCS     source files for building prods
#    LIB_SRCS      source files for building libraries
#    LIBSRCS       source files for building libraries (deprecated)
#    PROD_OBJS     object files for building prods
#    LIB_OBJS      object files for building libraries
#    USR_OBJS      object files for building libraries and prods
#    USR_LIBS      libs needed by PROD and TESTPROD and LIBRARY
#    PROD_LIBS     libs needed by PROD and TESTPROD
#    LIB_LIBS      libs needed by shared LIBRARY
#    SHRLIB_LIBS   libs needed by shared LIBRARY
#    USR_OBJLIBS   R3.13 vxWorks object libs needed building libraries and prods
#    PROD_OBJLIBS  R3.13 vxWorks object    libs needed for building prods
#    LIB_OBJLIBS   R3.13 vxWorks object libs needed for building libraries
#    USR_SYS_LIBS  system libs needed building libraries and prods
#    PROD_SYS_LIBS system libs needed for building prods
#    LIB_SYS_LIBS  system libs needed for building libraries
#    USR_LDFLAGS   ld flags for building libraries and prods
#    PROD_LDFLAGS  ld flags for building prods
#    LIB_LDFLAGS   ld flags for building libraries
#    PROD          products to build and install
#    PROD_HOST     products to build and install
#    PROD_IOC      products to build and install
#    TESTPROD      products to build
#    TESTPROD_HOST products to build
#    TESTPROD_IOC  products to build
#    LIBRARY       products to build and install
#    LIBRARY_HOST  products to build and install
#    LIBRARY_IOC   products to build and install
#    LOADABLE_LIBRARY        module to build and install
#    LOADABLE_LIBRARY_HOST   module to build and install
#    SCRIPTS       scripts and install
#    SCRIPTS_HOST  host system scripts to install
#    SCRIPTS_IOC   ioc system scripts to install
#    TESTSCRIPTS       scripts
#    TESTSCRIPTS_HOST  host system scripts
#    TESTSCRIPTS_IOC   ioc system scripts
#    OBJS          object files to build and install
#    OBJS_HOST     host system object files to build and install
#    OBJS_IOC      ioc system object files to build and install
#    USR_INCLUDES  include directories
#    BIN_INSTALLS  binaries to install
#    LIB_INSTALLS  library binaries to install
#    RCS           win32 resource files for building libraries and prods
#    PROD_RCS      win32 resource files for building prods
#    LIB_RCS       win32 resource files for building libraries
#
#	Remark:
#	If you define INC, e.g. INC = getopt.h, the source
#	(getopt.h) must be in the source directory (..) and/or
#	in one or more ../os/<OS_CLASS> directories.
#
#	Additional target architecture, T_A, Rules for USR_CFLAGS, USR_CXXFLAGS,
#	and USR_CPPFLAGS which are applied before the above os_class Rules:
#	1) USR_CFLAGS_$(OS_CLASS) is used
#	2) if there is a special $(USR_CFLAGS_$(T_A)), it's
#	   appended to 1)
#	3) if there is no special defined, but a generic USR_CFLAGS_$(OS_CLASS)_DEFAULT,
#	   this one is appended
#	4) if you have the special case that your $(USR_CFLAGS_$(T_A)) is
#	   empty but you don't want 3), you have to define it as '-nil-', e.g.:
#		USR_CFLAGS_vxWorks = <defines for all OS_CLASS=vxWorks target systems>
#		USR_CFLAGS_vxWorks-68040 = -nil-
#		USR_CFLAGS_vxWorks_DEFAULT = <defines for most vxWorks systems, not 68040>
#
#

ifneq ($(strip $(USR_CFLAGS_$(T_A))),)
USR_CFLAGS_$(OS_CLASS)+=$(subst -nil-,,$(USR_CFLAGS_$(T_A)))
else
ifdef USR_CFLAGS_$(OS_CLASS)_DEFAULT
USR_CFLAGS_$(OS_CLASS)+=$(USR_CFLAGS_$(OS_CLASS)_DEFAULT)
endif
endif

ifneq ($(strip $(USR_CFLAGS_$(OS_CLASS))),)
USR_CFLAGS+=$(subst -nil-,,$(USR_CFLAGS_$(OS_CLASS)))
else
ifdef USR_CFLAGS_DEFAULT
USR_CFLAGS+=$(USR_CFLAGS_DEFAULT)
endif
endif

ifneq ($(strip $(USR_INCLUDES_$(OS_CLASS))),)
USR_INCLUDES+=$(subst -nil-,,$(USR_INCLUDES_$(OS_CLASS)))
else
ifdef USR_INCLUDES_DEFAULT
USR_INCLUDES+=$(USR_INCLUDES_DEFAULT)
endif
endif

ifneq ($(strip $(USR_CXXFLAGS_$(T_A))),)
USR_CXXFLAGS_$(OS_CLASS)+=$(subst -nil-,,$(USR_CXXFLAGS_$(T_A)))
else
ifdef USR_CXXFLAGS_$(OS_CLASS)_DEFAULT
USR_CXXFLAGS_$(OS_CLASS)+=$(USR_CXXFLAGS_$(OS_CLASS)_DEFAULT)
endif
endif

ifneq ($(strip $(USR_CXXFLAGS_$(OS_CLASS))),)
USR_CXXFLAGS+=$(subst -nil-,,$(USR_CXXFLAGS_$(OS_CLASS)))
else
ifdef USR_CXXFLAGS_DEFAULT
USR_CXXFLAGS+=$(USR_CXXFLAGS_DEFAULT)
endif
endif

ifneq ($(strip $(USR_CPPFLAGS_$(T_A))),)
USR_CPPFLAGS_$(OS_CLASS)+=$(subst -nil-,,$(USR_CPPFLAGS_$(T_A)))
else
ifdef USR_CPPFLAGS_$(OS_CLASS)_DEFAULT
USR_CPPFLAGS_$(OS_CLASS)+=$(USR_CPPFLAGS_$(OS_CLASS)_DEFAULT)
endif
endif

ifneq ($(strip $(USR_CPPFLAGS_$(OS_CLASS))),)
USR_CPPFLAGS+=$(subst -nil-,,$(USR_CPPFLAGS_$(OS_CLASS)))
else
ifdef USR_CPPFLAGS_DEFAULT
USR_CPPFLAGS+=$(USR_CPPFLAGS_DEFAULT)
endif
endif

ifneq ($(strip $(USR_LDFLAGS_$(OS_CLASS))),)
USR_LDFLAGS+=$(subst -nil-,,$(USR_LDFLAGS_$(OS_CLASS)))
else
ifdef USR_LDFLAGS_DEFAULT
USR_LDFLAGS+=$(USR_LDFLAGS_DEFAULT)
endif
endif

ifneq ($(strip $(PROD_LDFLAGS_$(OS_CLASS))),)
PROD_LDFLAGS+=$(subst -nil-,,$(PROD_LDFLAGS_$(OS_CLASS)))
else
ifdef PROD_LDFLAGS_DEFAULT
PROD_LDFLAGS+=$(PROD_LDFLAGS_DEFAULT)
endif
endif

ifneq ($(strip $(LIB_LDFLAGS_$(OS_CLASS))),)
LIB_LDFLAGS+=$(subst -nil-,,$(LIB_LDFLAGS_$(OS_CLASS)))
else
ifdef LIB_LDFLAGS_DEFAULT
LIB_LDFLAGS+=$(LIB_LDFLAGS_DEFAULT)
endif
endif

ifneq ($(strip $(LIBSRCS_$(OS_CLASS))),)
LIBSRCS += $(subst -nil-,,$(LIBSRCS_$(OS_CLASS)))
else
ifdef LIBSRCS_DEFAULT
LIBSRCS+=$(LIBSRCS_DEFAULT)
endif
endif

ifneq ($(strip $(LIB_SRCS_$(OS_CLASS))),)
LIB_SRCS += $(subst -nil-,,$(LIB_SRCS_$(OS_CLASS)))
else
ifdef LIB_SRCS_DEFAULT
LIB_SRCS+=$(LIB_SRCS_DEFAULT)
endif
endif

ifneq ($(strip $(SRCS_$(OS_CLASS))),)
SRCS += $(subst -nil-,,$(SRCS_$(OS_CLASS)))
else
ifdef SRCS_DEFAULT
SRCS+=$(SRCS_DEFAULT)
endif
endif

ifneq ($(strip $(USR_SRCS_$(OS_CLASS))),)
USR_SRCS += $(subst -nil-,,$(USR_SRCS_$(OS_CLASS)))
else
ifdef USR_SRCS_DEFAULT
USR_SRCS+=$(USR_SRCS_DEFAULT)
endif
endif

ifneq ($(strip $(PROD_SRCS_$(OS_CLASS))),)
PROD_SRCS += $(subst -nil-,,$(PROD_SRCS_$(OS_CLASS)))
else
ifdef PROD_SRCS_DEFAULT
PROD_SRCS+=$(PROD_SRCS_DEFAULT)
endif
endif

ifneq ($(strip $(BIN_INSTALLS_$(OS_CLASS))),)
BIN_INSTALLS+=$(subst -nil-,,$(BIN_INSTALLS_$(OS_CLASS)))
else
ifdef BIN_INSTALLS_DEFAULT
BIN_INSTALLS+=$(BIN_INSTALLS_DEFAULT)
endif
endif

ifneq ($(strip $(LIB_INSTALLS_$(OS_CLASS))),)
LIB_INSTALLS+=$(subst -nil-,,$(LIB_INSTALLS_$(OS_CLASS)))
else
ifdef LIB_INSTALLS_DEFAULT
LIB_INSTALLS+=$(LIB_INSTALLS_DEFAULT)
endif
endif

ifneq ($(strip $(PROD_OBJS_$(OS_CLASS))),)
PROD_OBJS+=$(subst -nil-,,$(PROD_OBJS_$(OS_CLASS)))
else
ifneq (,$(strip $(PROD_OBJS_DEFAULT)))
PROD_OBJS+=$(PROD_OBJS_DEFAULT)
endif
endif

ifneq ($(strip $(USR_OBJS_$(OS_CLASS))),)
USR_OBJS+=$(subst -nil-,,$(USR_OBJS_$(OS_CLASS)))
else
ifneq (,$(strip $(USR_OBJS_DEFAULT)))
USR_OBJS+=$(USR_OBJS_DEFAULT)
endif
endif

ifneq ($(strip $(OBJS_$(OS_CLASS))),)
OBJS+=$(subst -nil-,,$(OBJS_$(OS_CLASS)))
else
ifneq (,$(strip $(OBJS_DEFAULT)))
OBJS+=$(OBJS_DEFAULT)
endif
endif

ifneq ($(strip $(OBJS_IOC_$(OS_CLASS))),)
OBJS_IOC+=$(subst -nil-,,$(OBJS_IOC_$(OS_CLASS)))
else
ifneq (,$(strip $(OBJS_IOC_DEFAULT)))
OBJS_IOC+=$(OBJS_IOC_DEFAULT)
endif
endif

ifneq ($(strip $(OBJS_HOST_$(OS_CLASS))),)
OBJS_HOST+=$(subst -nil-,,$(OBJS_HOST_$(OS_CLASS)))
else
ifneq (,$(strip $(OBJS_HOST_DEFAULT)))
OBJS_HOST+=$(OBJS_HOST_DEFAULT)
endif
endif

ifneq ($(strip $(PROD_OBJLIBS_$(OS_CLASS))),)
PROD_OBJLIBS+=$(subst -nil-,,$(PROD_OBJLIBS_$(OS_CLASS)))
else
ifdef PROD_OBJLIBS_DEFAULT
PROD_OBJLIBS+=$(PROD_OBJLIBS_DEFAULT)
endif
endif

ifneq ($(strip $(LIB_OBJLIBS_$(OS_CLASS))),)
LIB_OBJLIBS+=$(subst -nil-,,$(LIB_OBJLIBS_$(OS_CLASS)))
else
ifdef LIB_OBJLIBS_DEFAULT
LIB_OBJLIBS+=$(LIB_OBJLIBS_DEFAULT)
endif
endif

ifneq ($(strip $(USR_OBJLIBS_$(OS_CLASS))),)
USR_OBJLIBS+=$(subst -nil-,,$(USR_OBJLIBS_$(OS_CLASS)))
else
ifdef USR_OBJLIBS_DEFAULT
USR_OBJLIBS+=$(USR_OBJLIBS_DEFAULT)
endif
endif

ifneq ($(strip $(LIB_OBJS_$(OS_CLASS))),)
LIB_OBJS+=$(subst -nil-,,$(LIB_OBJS_$(OS_CLASS)))
else
ifneq (,$(strip $(LIB_OBJS_DEFAULT)))
LIB_OBJS+=$(LIB_OBJS_DEFAULT)
endif
endif

ifneq ($(strip $(LIBRARY_$(OS_CLASS))),)
LIBRARY+=$(subst -nil-,,$(LIBRARY_$(OS_CLASS)))
else
ifneq (,$(strip $(LIBRARY_DEFAULT)))
LIBRARY+=$(LIBRARY_DEFAULT)
endif
endif

ifneq ($(strip $(LIBRARY_IOC_$(OS_CLASS))),)
LIBRARY_IOC+=$(subst -nil-,,$(LIBRARY_IOC_$(OS_CLASS)))
else
ifneq (,$(strip $(LIBRARY_IOC_DEFAULT)))
LIBRARY_IOC+=$(LIBRARY_IOC_DEFAULT)
endif
endif

ifneq ($(strip $(LIBRARY_HOST_$(OS_CLASS))),)
LIBRARY_HOST+=$(subst -nil-,,$(LIBRARY_HOST_$(OS_CLASS)))
else
ifneq (,$(strip $(LIBRARY_HOST_DEFAULT)))
LIBRARY_HOST+=$(LIBRARY_HOST_DEFAULT)
endif
endif

ifneq ($(strip $(LOADABLE_LIBRARY_$(OS_CLASS))),)
LOADABLE_LIBRARY+=$(subst -nil-,,$(LOADABLE_LIBRARY_$(OS_CLASS)))
else
ifneq (,$(strip $(LOADABLE_LIBRARY_DEFAULT)))
LOADABLE_LIBRARY+=$(LOADABLE_LIBRARY_DEFAULT)
endif
endif

ifneq ($(strip $(LOADABLE_LIBRARY_HOST_$(OS_CLASS))),)
LOADABLE_LIBRARY_HOST+=$(subst -nil-,,$(LOADABLE_LIBRARY_HOST_$(OS_CLASS)))
else
ifneq (,$(strip $(LOADABLE_LIBRARY_HOST_DEFAULT)))
LOADABLE_LIBRARY_HOST+=$(LOADABLE_LIBRARY_HOST_DEFAULT)
endif
endif

ifneq ($(strip $(PROD_LIBS_$(OS_CLASS))),)
PROD_LIBS += $(subst -nil-,,$(PROD_LIBS_$(OS_CLASS)))
else
ifdef PROD_LIBS_DEFAULT
PROD_LIBS += $(PROD_LIBS_DEFAULT)
endif
endif

# SHRLIB_LIBS deprecated
ifneq ($(strip $(SHRLIB_LIBS_$(OS_CLASS))),)
SHRLIB_LIBS += $(subst -nil-,,$(SHRLIB_LIBS_$(OS_CLASS)))
else
ifdef SHRLIB_LIBS_DEFAULT
SHRLIB_LIBS += $(SHRLIB_LIBS_DEFAULT)
endif
endif

ifneq ($(strip $(LIB_LIBS_$(OS_CLASS))),)
LIB_LIBS += $(subst -nil-,,$(LIB_LIBS_$(OS_CLASS)))
else
ifdef LIB_LIBS_DEFAULT
LIB_LIBS += $(LIB_LIBS_DEFAULT)
endif
endif

ifneq ($(strip $(USR_LIBS_$(OS_CLASS))),)
USR_LIBS += $(subst -nil-,,$(USR_LIBS_$(OS_CLASS)))
else
ifdef USR_LIBS_DEFAULT
USR_LIBS += $(USR_LIBS_DEFAULT)
endif
endif

#
#	concat specific library contents (if defined) to SYS_PROD_LIBS
#
# SYS_PROD_LIBS deprecated
ifneq ($(strip $(SYS_PROD_LIBS_$(OS_CLASS))),)
SYS_PROD_LIBS += $(subst -nil-,,$(SYS_PROD_LIBS_$(OS_CLASS)))
else
ifdef SYS_PROD_LIBS_DEFAULT
SYS_PROD_LIBS += $(SYS_PROD_LIBS_DEFAULT)
endif
endif
PROD_SYS_LIBS+=$(SYS_PROD_LIBS)

ifneq ($(strip $(PROD_SYS_LIBS_$(OS_CLASS))),)
PROD_SYS_LIBS += $(subst -nil-,,$(PROD_SYS_LIBS_$(OS_CLASS)))
else
ifdef PROD_SYS_LIBS_DEFAULT
PROD_SYS_LIBS += $(PROD_SYS_LIBS_DEFAULT)
endif
endif

ifneq ($(strip $(LIB_SYS_LIBS_$(OS_CLASS))),)
LIB_SYS_LIBS += $(subst -nil-,,$(LIB_SYS_LIBS_$(OS_CLASS)))
else
ifdef LIB_SYS_LIBS_DEFAULT
LIB_SYS_LIBS += $(LIB_SYS_LIBS_DEFAULT)
endif
endif

ifneq ($(strip $(USR_SYS_LIBS_$(OS_CLASS))),)
USR_SYS_LIBS += $(subst -nil-,,$(USR_SYS_LIBS_$(OS_CLASS)))
else
ifdef USR_SYS_LIBS_DEFAULT
USR_SYS_LIBS += $(USR_SYS_LIBS_DEFAULT)
endif
endif

#
#	concat specific products
#
ifneq ($(strip $(PROD_$(OS_CLASS))),)
PROD+=$(subst -nil-,,$(PROD_$(OS_CLASS)))
else
ifneq (,$(strip $(PROD_DEFAULT)))
PROD+=$(PROD_DEFAULT)
endif
endif

ifneq ($(strip $(PROD_IOC_$(OS_CLASS))),)
PROD_IOC+=$(subst -nil-,,$(PROD_IOC_$(OS_CLASS)))
else
ifneq (,$(strip $(PROD_IOC_DEFAULT)))
PROD_IOC+=$(PROD_IOC_DEFAULT)
endif
endif

ifneq ($(strip $(PROD_HOST_$(OS_CLASS))),)
PROD_HOST+=$(subst -nil-,,$(PROD_HOST_$(OS_CLASS)))
else
ifneq (,$(strip $(PROD_HOST_DEFAULT)))
PROD_HOST+=$(PROD_HOST_DEFAULT)
endif
endif

#
#	concat specific products
#
ifneq ($(strip $(TESTPROD_$(OS_CLASS))),)
TESTPROD+=$(subst -nil-,,$(TESTPROD_$(OS_CLASS)))
else
ifneq (,$(strip $(TESTPROD_DEFAULT)))
TESTPROD+=$(TESTPROD_DEFAULT)
endif
endif

ifneq ($(strip $(TESTPROD_IOC_$(OS_CLASS))),)
TESTPROD_IOC+=$(subst -nil-,,$(TESTPROD_IOC_$(OS_CLASS)))
else
ifneq (,$(strip $(TESTPROD_IOC_DEFAULT)))
TESTPROD_IOC+=$(TESTPROD_IOC_DEFAULT)
endif
endif

ifneq ($(strip $(TESTPROD_HOST_$(OS_CLASS))),)
TESTPROD_HOST+=$(subst -nil-,,$(TESTPROD_HOST_$(OS_CLASS)))
else
ifneq (,$(strip $(TESTPROD_HOST_DEFAULT)))
TESTPROD_HOST+=$(TESTPROD_HOST_DEFAULT)
endif
endif

#
#	concat specific scripts
#
ifneq ($(strip $(SCRIPTS_$(OS_CLASS))),)
SCRIPTS += $(subst -nil-,,$(SCRIPTS_$(OS_CLASS)))
else
ifdef SCRIPTS_DEFAULT
SCRIPTS += $(SCRIPTS_DEFAULT)
endif
endif

ifneq ($(strip $(SCRIPTS_IOC_$(OS_CLASS))),)
SCRIPTS_IOC+=$(subst -nil-,,$(SCRIPTS_IOC_$(OS_CLASS)))
else
ifneq (,$(strip $(SCRIPTS_IOC_DEFAULT)))
SCRIPTS_IOC+=$(SCRIPTS_IOC_DEFAULT)
endif
endif

ifneq ($(strip $(SCRIPTS_HOST_$(OS_CLASS))),)
SCRIPTS_HOST+=$(subst -nil-,,$(SCRIPTS_HOST_$(OS_CLASS)))
else
ifneq (,$(strip $(SCRIPTS_HOST_DEFAULT)))
SCRIPTS_HOST+=$(SCRIPTS_HOST_DEFAULT)
endif
endif

#
#	concat specific scripts
#
ifneq ($(strip $(TESTSCRIPTS_$(OS_CLASS))),)
TESTSCRIPTS += $(subst -nil-,,$(TESTSCRIPTS_$(OS_CLASS)))
else
ifdef TESTSCRIPTS_DEFAULT
TESTSCRIPTS += $(TESTSCRIPTS_DEFAULT)
endif
endif

ifneq ($(strip $(TESTSCRIPTS_IOC_$(OS_CLASS))),)
TESTSCRIPTS_IOC+=$(subst -nil-,,$(TESTSCRIPTS_IOC_$(OS_CLASS)))
else
ifneq (,$(strip $(TESTSCRIPTS_IOC_DEFAULT)))
TESTSCRIPTS_IOC+=$(TESTSCRIPTS_IOC_DEFAULT)
endif
endif

ifneq ($(strip $(TESTSCRIPTS_HOST_$(OS_CLASS))),)
TESTSCRIPTS_HOST+=$(subst -nil-,,$(TESTSCRIPTS_HOST_$(OS_CLASS)))
else
ifneq (,$(strip $(TESTSCRIPTS_HOST_DEFAULT)))
TESTSCRIPTS_HOST+=$(TESTSCRIPTS_HOST_DEFAULT)
endif
endif

#
#	concat specific resource files
#
ifneq ($(strip $(RCS_$(OS_CLASS))),)
RCS += $(subst -nil-,,$(RCS_$(OS_CLASS)))
else
ifdef RCS_DEFAULT
RCS += $(RCS_DEFAULT)
endif
endif

ifneq ($(strip $(PROD_RCS_$(OS_CLASS))),)
PROD_RCS += $(subst -nil-,,$(PROD_RCS_$(OS_CLASS)))
else
ifdef PROD_RCS_DEFAULT
PROD_RCS+=$(PROD_RCS_DEFAULT)
endif
endif

ifneq ($(strip $(LIB_RCS_$(OS_CLASS))),)
LIB_RCS += $(subst -nil-,,$(LIB_RCS_$(OS_CLASS)))
else
ifdef LIB_RCS_DEFAULT
LIB_RCS+=$(LIB_RCS_DEFAULT)
endif
endif

