# |
# o---------------------------------------------------------------------o
# |
# | MAD makefile - config
# |
# o---------------------------------------------------------------------o
# |
# | Methodical Accelerator Design
# |
# | Copyright (c) 2011+ CERN, mad@cern.ch
# |
# | For more information, see http://cern.ch/mad
# |
# o---------------------------------------------------------------------o
# |
# | $Id$
# |

# detect operating system
# OSTYPE = Linux, Darwin, Cygwin, Windows (or empty)
# OSARCH = i386, i686, x86, x86_64, amd64, ia64 (or empty)
ifeq ($(windir),)
OSTYPE := $(shell uname -s)
OSARCH := $(shell uname -m)
OSTYPE := $(patsubst CYGWIN%,Cygwin,$(OSTYPE))
else
OSTYPE := $(findstring Windows,$(shell ver))
OSARCH := $(if $(PROCESSOR_ARCHITEW6432),$(PROCESSOR_ARCHITEW6432) \
                                        ,$(PROCESSOR_ARCHITECTURE))
endif

# some useful command and variables
ifeq ($(OSTYPE),Windows)
/     := $(strip \ )
LS    := dir /L /B
CP    := copy /Y
MV    := move
RM    := del /f
RMDIR := rmdir /s /q
FIND  := find_cmd_not_found
CAT   := more
HOME  := $(HOMEDRIVE)$(HOMEPATH)
else
/     := /
LS    := ls -1
CP    := cp -f
MV    := mv -f
RM    := rm -f
RMDIR := rm -fr
FIND  := find
CAT   := cat
endif

# set command echo (SHOW=yes -> trace commands & remove echo)
ifneq ($(OSTYPE),Windows)
_ := $(if $(call eq,$(SHOW),yes),,@)
E := $(if $(call eq,$(SHOW),yes),@ \#,@ echo)
else
_ := $(if $(call eq,$(SHOW),yes),,@)
E := $(if $(call eq,$(SHOW),yes),@ rem,@ echo)
endif

# backward slash manip
ifeq ($(OSTYPE),Windows)
/   := \$(EMPTY)
;   := &
f1bs = $(subst /,\,$1)
f2bs = $(subst /,\\,$1)
s1bs = $(subst $(SPACE),\ ,$1)
else
/   := /
;   := ;
f1bs = $1
f2bs = $1
s1bs = $(subst $(SPACE),\ ,$1)
endif

# detect ARCH if requested
ifeq ($(ARCH),detect)
ARCH := $(if $(findstring 64,$(OSARCH)),64,32)
endif

# detect TESTS if requested or provided
ifeq ($(TESTS),detect)
override TESTS := $(notdir $(wildcard tests/test-*))
endif

# default optimization level
ifeq ($(NOPT),)
NOPT := 3
endif

# destination directory
ifeq ($(DESTDIR),)
DESTDIR := build$/
else
override DESTDIR := $(subst $/$/,$/,$(strip $(DESTDIR))$/)
endif

# build directory
ifeq ($(APPENDLD),yes)
OBJDIR  = $(DESTDIR)$(OSTYPE)$(ARCH)_$(LDNAME)
else
OBJDIR := $(DESTDIR)$(OSTYPE)$(ARCH)
endif

# project's name
PRJNAME := $(PROJECT)$(ARCH)

# list of build targets
BUILDGOALS := $(PROJECT)

# default target (immediate!)
.DEFAULT_GOAL := $(PROJECT)

# add default target to make commands
ifeq ($(MAKECMDGOALS),)
MAKECMDGOALS := $(.DEFAULT_GOAL)
endif

# shortcut for Intel compilers familly
ifeq ($(Intel),yes)
ifeq ($(OSTYPE),Windows)
CC  := $(if $(CC),icl,)
CXX := $(if $(CXX),icl,)
else
CC  := $(if $(CC),icc,)
CXX := $(if $(CXX),icc,)
endif
FC  := $(if $(FC),ifort,)
endif

# shortcut for GNU compilers familly
ifeq ($(GNU),yes)
CC  := $(if $(CC),gcc,)
CXX := $(if $(CXX),g++,)
FC  := $(if $(FC),gfortran,)
endif

# cleanup default make settings
ifeq ($(origin CC),default)
CC :=
endif
ifeq ($(origin CXX),default)
CXX :=
endif
ifeq ($(origin FC),default)
FC :=
endif
ifeq ($(origin LD),default)
LD :=
endif
ifeq ($(origin AR),default)
AR :=
endif
ifeq ($(origin ND),default)
ND :=
endif

# standard included settings
ifndef CCNAME
CCNAME  := $(CC)
endif
ifndef CXXNAME
CXXNAME := $(CXX)
endif
ifndef FCNAME
FCNAME  := $(FC)
endif
ifndef LDNAME
LDNAME  := $(LD)
endif
ifndef ARNAME
ARNAME  := $(AR)
endif
ifndef NDNAME
NDNAME  := $(ND)
endif

# standard included makefiles 
ifndef FILE_PRE
FILE_PRE  := Makefile_pre          # user's preprocessing extra stuff
endif
ifndef FILE_VER
FILE_VER  := VERSION               # setup project VERSION and VERSION_DATE
endif
ifndef FILE_CPP
FILE_CPP  := Makefile_cpp          # setup project specific CPPFLAGS defines
endif
ifndef FILE_C
FILE_C    := Makefile_c            # setup project CC_SRC and CC_HDR
endif
ifndef FILE_CXX 
FILE_CXX  := Makefile_cxx          # setup project CXX_SRC and CXX_HDR
endif
ifndef FILE_F90
FILE_F90  := Makefile_f90          # setup project FC_SRC
endif
ifndef FILE_LIB 
FILE_LIB  := Makefile_lib          # setup project LIBS paths and libs
endif
ifndef FILE_SYS
FILE_SYS  := Makefile_sys          # setup project System specific stuffs
endif
ifndef FILE_TEST
FILE_TEST := Makefile_test         # setup project tests
endif
ifndef FILE_POST
FILE_POST := Makefile_post         # user's postprocessing extra stuff
endif

# standard translation settings
CC_tr  = $(strip $1)
CXX_tr = $(strip $1)
FC_tr  = $(strip $1)
LD_tr  = $(strip $1)
AR_tr  = $(strip $1)
ND_tr  = $(strip $1)

# standard build defines
ifeq ($(origin CPPFLAGS),default)
CPPFLAGS =
endif

ifeq ($(DEBUG),yes)
CPPFLAGS += -D_DEBUG
endif

ifeq ($(PROFILE),yes)
CPPFLAGS += -D_PROFILE
endif

ifeq ($(STATIC),yes)
CPPFLAGS += -D_STATIC
endif

ifeq ($(SHARED),yes)
CPPFLAGS += -D_SHARED
endif

ifeq ($(PLUGIN),yes)
CPPFLAGS += -D_PLUGIN
endif

# gnu libs directory (if needed, lazy)
GNULIBDIR = $(dir $(shell $(CC) $(CFLAGS) -print-file-name=libgcc.a))

# clear suffixes (avoid misbehavior)
.SUFFIXES:

# clear search path (avoid misbehavior)
VPATH =
vpath

# end of makefile