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Makefile CCCP

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This section describes a Cross-Compiler, Cross-Platform (CCCP) makefile development methodology using the make tool from GNU, also known as gmake. The syntax to use would be: 

make platform.action

(ex: make Win, make Unix.clean, etc...).

Description

A CCCP makefile project a bunch of library, modules and program folders within a single root folder.

Tree description

Regular folders

Every folder must contain the following files:

Files.mk
encapsulates a list of all the folder's source-files and meta-files. Several variables are defined:
INCS
LIBS
SRCDIR
contains the path to the source files
FILES
contains the list of source files (using the $(S) suffix)
METAFILES
contains the list of files required by the Makefile to run in this project (using the .smk suffix)
TARGET
is the target name that the local makefile is supposed to build.
MODULES
contains the list of modules (special root folder only).
Makefile
contains includes to all the actions that can be perfomed on the folder.
Dependencies.mk
encapsulates the dependencies of the files within the lists defined in Files.mk.

Special folders and special files

There are two special folders, mandatory, and each containing special files, beyond the mandatory regular files listed above:

  1. the root folder
    Actions.mk
    is similar to Makefile, but defines PHONY targets that executes the different actions defined in the Makefiles special folder.
    Nix.mk
    contains all the necessary configuration global variables specific to the CCCP solution. Configured by the Solution administrator.
    Editme.mk
    Each user must edit this configuration file before building the solution.
  2. the Makefiles folder (NOTE: it is extensible, one file per action or rule)
    All.mk
    contains the makefile rules to compile and build programs.
    Alllib.mk
    contains the makefile rules to compile and build libraries.
    Clean.mk
    contains the makefile rules to erase every .obj, .mod, .lib and .exe file that was created by the CCCP solution.
    Install.mk
    contains the makefile rule to install the programs.

The makefile's global variables

The idea is to use global variables to pass arguments to the different modules makefiles. Thus, each specific platform makefile in the root folder defines these global variables. Then, it calls the modules makefiles who will use the global variables in their syntax. If a systematic approach of using global variables is implemented, then it is fairly easy to have a cross-platform makefile project implemented; and easily extended.

A template CCCP makefile solution

Special root folder's Makefile

 SHELL = /bin/sh
 
 export MAKE = make
 
 .PHONY: default
 default:
 	@echo Please choose your platform from: 
 	@echo Type "make (win nix).(' '  clean install sos)".
 
 #make all (add other platforms "Nix Nix Nix_double Win" ...)
 PLAT := Nix
 .PHONY : $(PLAT)
 $(PLAT):
 	$(MAKE) -f $@.mk all
 
 #make clean
 PLATCLEAN := $(addsuffix .clean, $(PLAT))
 .PHONY : $(PLATCLEAN)
 $(PLATCLEAN) :
 	$(MAKE) -f $(@:.clean=).mk clean
 
 #make install
 PLATINST := $(addsuffix .install, $(PLAT))
 .PHONY : $(PLATINST)
 $(PLATINST) :
 	$(MAKE) -f $(@:.install=).mk install

Special root folder's Actions.mk

#make all
MODALL = $(addsuffix .all, $(MODULES))
.PHONY: all $(MODALL)
all: $(MODALL)
$(MODALL):
	-$(MAKE) -C $(@:.all=) all

#make clean
MODCLEAN = $(addsuffix .clean, $(MODULES))
.PHONY: clean $(MODCLEAN)
clean: $(MODCLEAN)
$(MODCLEAN):
	-$(MAKE) -C $(@:.clean=) clean

#make install
MODINSTALL = $(addsuffix .install, $(MODULES))
.PHONY: install $(MODINSTALL)
install: $(MODINSTALL)
$(MODINSTALL) :
	-$(MAKE) -C $(@:.install=) install

Special root folder's Nix.mk

SHELL = /bin/sh

###### NIX Exported variables #########
export CP  = sudo cp
export DEL = rm
export O = o
export F = F90
export MOD = mod
export CC= ifort
export CCFLAGS  = -c -fpp -warn all -nologo -convert big_endian -D_USE_NIX# Debug: -g Profiling: -p
export LFLAGS   = -fpp -nologo -warn all -i-static -convert big_endian -D_USE_NIX# Profiling: -p
export LLFLAGS  =
export AR = ar rc
export SRCBASE1 = ../../../Shared/MOHID.Base.1
export SRCBASE2 = ../../../Shared/MOHID.Base.2
export SRCWATER = ../../../Modulus.Software/MOHID.Water
export BASE1INC = ../Mohid_Base_1
export BASE1 = Mohid_Base_1.lib
export BASE2INC = ../Mohid_Base_2
export BASE2 = Mohid_Base_2.lib
export WATER = MohidWater
export LHDF5FORTRAN = libhdf5_fortran.a
export LHDF5 = libhdf5.a
export LHDF5HL = libhdf5_hl.a
export ZLIB = libz.a
export BASELIBS = \
       $(BASE1INC)/$(BASE1) \
       $(BASE2INC)/$(BASE2) \
       $(HDF5)/$(LHDF5FORTRAN) \
       $(HDF5)/$(LHDF5) \
       $(HDF5)/$(LHDF5HL) \
       $(ZLIBINC)/$(ZLIB)
export LNETCDF  = netcdf.a
export NETCDFLIBS := \
                     $(BASELIBS) \
                     $(NETCDFINC)/$(LNETCDF)
#### End of exported variables ####

include Editme.mk
include Files.mk
include Actions.mk
include Dependencies.mk

Special root folder's Editme.mk

#Edit the prefix of the installed binaries
# > make nix.install
export VER = x64_single

#Where do you want to install the binary files?
# > make nix.install
export DESTDIR = /usr/bin/mohid

#Where are the hdf5 libraries (with --enable-fortran) in your system?
export HDF5 = /home/Projects/hdf5/hdf5-1.6.5/hdf5/lib

#Where is the libz.a in your system?
export ZLIBINC = /usr/lib64

Special root folder's Files.mk

METAFILES = \
        README.txt \
		Nix.smk \
        Files.smk \
        Dependencies.smk \
        Actions.smk
MODULES = \
          Makefiles \
          MohidWater \
          Mohid_Base_2 \
          Mohid_Base_1 \
TARGET = $$

Special root folder's Dependencies.mk

#Modules dependencies
Mohid_Base_2.all : Mohid_Base_1.all
MohidWater.all : Mohid_Base_2.all

Regular folder Makefile

SHELL = /bin/sh

include Files.mk
include ../Makefiles/Install.mk
include ../Makefiles/Clean.mk
include ../Makefiles/Alllib.mk
include Dependencies.mk

Special Makefiles folder's Makefile

SHELL = /bin/sh

include Files.mk

.PHONY: all
all: 
	echo No such action in this module

Special Makefiles folder's Files.mk

METAFILES = \
        Files.smk \
        All.smk \
        Clean.smk \
        Install.smk
TARGET = Makefiles

Special Makefiles folder's All.mk

OBJS = $(FILES:.$(S)=.$(O))
SRCF = $(SRCDIR)

.PHONY: all

all: $(TARGET)

$(TARGET) : $(OBJS) $(LIBS)
	@$(CC) $(LFLAGS) -o $@ $^ $(LLFLAGS)
	@echo Finished building $@.

%.$(O) : $(SRCF)/%.$(F)
	@$(CC) $(CCFLAGS) $(INCS) $<
	@echo $* .................. [OK]

Regular folder typical Files.mk

INCS = -I$(HDF5)
LIBS =
SRCDIR = $(SRCBASE1)
FILES = \
       ModuleGlobalData.$(S) \
       ModuleDrainageNetwork.$(S) \
       ModuleProfile.$(S)
METAFILES = \
        Files.smk \
        Dependencies.smk
TARGET = $(BASE1)

Regular folder typical Dependencies.mk

ModuleMacroAlgae.${O} : ModuleFunctions.${O}
ModuleTimeSerie.${O} : ModuleEnterData.${O}
ModuleDischarges.${O} : ModuleFunctions.${O} \
                     ModuleTimeSerie.${O} \
                     ModuleDrawing.${O}

A sample project for Mohid2D (DEPRECATED)

Here we apply the methodology described above.

Makefile

SHELL = /bin/sh

export MAKE = make
PLATCLEAN = win.clean nix.clean
PLAT = $(PLATCLEAN:.clean=)

.PHONY: default $(PLATCLEAN) $(PLAT)

default:
	@echo Please choose your platform from:
	@echo $(PLAT).
	@echo Type "make win(.clean)" or "make nix(.clean)".

$(PLAT):
	$(MAKE) -f $@.mk all

$(PLATCLEAN) : 
	$(MAKE) -f $(@:.clean=).mk clean

win.mk

SHELL = /bin/sh

###### WIN Exported variables #########
export DEL = del /Q
export O = obj
export F = f90
export MOD = mod
export CC= ifort
export CCFLAGS  = -c -fpp -nologo # Debug: -g Profiling: -p
export LFLAGS   = -fpp -nologo # Profiling: -p
export AR = ar rc
export HDF5 = D:/Projectos/Mohid_v4/IntelLibs
export LIBS = \
       ../Library/Library.lib \
       ../Modulos/Modulos.lib \
       ../Boxdif_hidrodin/Boxdif_hidrodin.lib \
       ../Mohid_Base/Mohid_Base.lib \
       $(HDF5)/hdf5.lib \
       $(HDF5)/hdf5_hl.lib \
       $(HDF5)/hdf5c.lib \
       $(HDF5)/hdf5f90.lib \
       $(HDF5)/szlib.lib \
       $(HDF5)/zlib.lib
#### End of exported variables ####

include aux.mk

nix.mk

SHELL = /bin/sh

###### NIX Exported variables #########
export DEL = rm
export O = o
export F = f90
export MOD = mod
export CC= ifort
export CCFLAGS  = -c -fpp -nologo # Debug: -g Profiling: -p
export LFLAGS   = -fpp -nologo # Profiling: -p
export AR = ar rc
export HDF5 = /opt/hdf5/hdf5/lib
export LIBS = \
       ../Boxdif_hidrodin/Boxdif_hidrodin.lib \
       ../Mohid_Base/Mohid_Base.lib \
       ../Modulos/Modulos.lib \
       ../Library/Library.lib \
       $(HDF5)/libhdf5_fortran.a \
       $(HDF5)/libhdf5.a \
       $(HDF5)/libhdf5_hl.a
#### End of exported variables ####

include aux.mk

aux.mk

MODCLEAN = Modulos.clean Boxdif_hidrodin.clean Library.clean Mohid_Base.clean Mohid2D.clean
MODULES = $(MODCLEAN:.clean=.all)

.PHONY: all clean $(MODULES) $(MODCLEAN)

all: $(MODULES)

clean: $(MODCLEAN)

$(MODULES):
	$(MAKE) -C $(@:.all=) all

$(MODCLEAN):
	$(MAKE) -C $(@:.clean=) clean

#Modules dependencies
Mohid2D.all: Mohid_Base Library.all
Mohid_Base.all: Boxdif_hidrodin.all
Library.all: Modulos.all

ModuleA/Vars.mk

SHELL = /bin/sh 

INCS = -I../ -I$(HDF5)
SRCS = \
       ModuleGlobalData.$(F) \
       ModuleHDF5.$(F) \
       ModuleTime.$(F) \
       Module_EnterData.$(F) \
       ModuleOilSpill.$(F) \
       ModuleAppPART3D.$(F) \
       ModuleEuler.$(F) \
       ModuleOxygenSaturation.$(F)
TARGET = Modulos.lib

ModuleA/Makefile

include Vars.mk

OBJS = $(SRCS:.$(F)=.$(O)) 

.PHONY: all clean

all: $(TARGET)

$(TARGET) : $(OBJS)
	@$(AR) $@ $^
	@echo Finished building $@.

clean:
	@-$(DEL) *.$(O) *.$(MOD) $(TARGET)
	@echo Erased $(TARGET) files.
 
%.$(O) : %.$(F)
	@$(CC) $(CCFLAGS) $(INCS) $<
	@echo $* .............. [OK]

include Dependencies.mk

ModuleA/Dependencies.mk

#Dependencies
ModuleHDF5.$(O) : ModuleGlobalData.$(O)
Module_EnterData.$(O) : ModuleTime.$(O)
ModuleOilSpill.$(O) : Module_EnterData.$(O)
ModuleAppPART3D.$(O) : ModuleOilSpill.$(O)
ModuleEuler.$(O) : ../param.cmb

See also

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