#
# Configure the sections below that apply to your MX target platform
# and EPICS architecture.
#
# The MX architectures currently supported by the 'epics' module include:
#
#   cygwin, linux, macosx, macosx-clang, solaris, solaris-gcc, win32
#

# WARNING: Do not start any lines in this file with a <TAB> or ^-I character
#          since this may make GNU Make think that line is part of a recipe.

#--------------------------------------------------------------------------

# Cygwin configuration

ifeq ($(MX_ARCH),cygwin)
    #EPICS_ARCH	= cygwin-x86
    EPICS_ARCH	= cygwin-x86_64

    EPICS_BASE	= /opt/epics/base

    EPICS_INCLUDES	= -Wno-shadow -I$(EPICS_BASE)/include \
        		-I$(EPICS_BASE)/include/os/cygwin32
    EPICS_LIB_DIRS	= -L$(EPICS_BASE)/lib/$(EPICS_ARCH)
    EPICS_LIBRARIES	= -lca -lCom

    MX_EPICS_CFLAGS     = $(CFLAGS) -Wno-strict-prototypes
endif

#--------------------------------------------------------------------------

# Linux configuration

ifeq ($(MX_ARCH),linux)
    use_linux = TRUE
else ifeq ($(MX_ARCH),linux-clang)
    use_linux = TRUE
endif

ifeq ($(use_linux),TRUE)

    # Select between
    # 1.  Install from source
    # 2.  Install from offical Debian packages (bookworm (12) and above)
    # 2.  Install NSLS-II EPICS Debian packages
    # 3.  Install IIT EPICS Debian packages

    #EPICS_DIST = source
    #EPICS_DIST = debian
    #EPICS_DIST = nsls
    #EPICS_DIST = iit

    ifndef EPICS_DIST
        #
        # Look for EPICS debian packages.
        #
	_dpkg_epics_debian := \
	    $(shell dpkg --list | grep libca4 | grep EPICS )
	
	_dpkg_epics_iit := \
	    $(shell dpkg --list | grep libepics | head -1 | awk '{print $$3}' | grep squeeze0 )

        _dpkg_epics_ver := \
            $(shell dpkg --list | grep libepics | head -1 | awk '{print $$3}')

        #$(info _dpkg_epics_debian is [${_dpkg_epics_debian}])
        #$(info _dpkg_epics_iit is [${_dpkg_epics_iit}])
        #$(info _dpkg_epics_ver is [${_dpkg_epics_ver}])

	ifdef _dpkg_epics_debian
	    EPICS_DIST = debian
	else ifdef _dpkg_epics_iit
            EPICS_DIST = iit
        else ifdef _dpkg_epics_ver
            EPICS_DIST = nsls
        else
            #
            # Otherwise, revert to using source code.
            #
            EPICS_DIST = source
        endif
    endif

    $(warning *** Building using EPICS_DIST = ${EPICS_DIST} ***)

    #
    # You can explicitly define EPICS_ARCH here if you really need to, but
    # it is normally better to let automatic configuration do the work.
    #

    #EPICS_ARCH	= linux-x86-debug	# For EPICS 3.14
    #EPICS_ARCH	= linux-x86_64-debug	# For EPICS 3.14

    ifndef EPICS_ARCH

        #
        # Warning: The following autoconfigure logic has only been tested
        # for EPICS 3.14 and above.  It will not work for EPICS 3.13, but
	# that is not supported by MX anymore.
        #

        _uname_machine := $(shell uname -m )

        ifeq ($(_uname_machine),x86_64)
            EPICS_ARCH = linux-x86_64
        endif
        ifeq ($(_uname_machine),i686)
            EPICS_ARCH = linux-x86
        endif
        ifeq ($(_uname_machine),i386)
            EPICS_ARCH = linux-x86
        endif
        ifeq ($(_uname_machine),ppc)
            EPICS_ARCH = linux-ppc
        endif

        ifndef EPICS_ARCH
            $(info: Could not automatically configure the EPICS_ARCH variable.)
        endif

        $(warning *** Building for EPICS_ARCH = $(EPICS_ARCH) ***)

    endif

    MX_EPICS_CFLAGS = $(CFLAGS) -Wno-strict-prototypes \
        				-Wno-cast-qual -Wno-shadow

    # Compile from source code

    ifeq ($(EPICS_DIST),source)
        #EPICS_BASE	= /opt/epics/base
        #EPICS_BASE	= /opt/EPICS/base
        #EPICS_BASE	= /mnt/epics/base
        #EPICS_BASE	= /usr/local/epics/base
        #EPICS_BASE	= /home/lavender/local/opt/epics/base
        #EPICS_BASE	= /home1/daly/epics/base
        #EPICS_BASE	= /local/DPbin/epics/epics_2013-04-23/base-3.14.12.3

        ifndef EPICS_BASE
            EPICS_BASE = /opt/epics/base
        endif

        $(warning *** Using source code at EPICS_BASE = ${EPICS_BASE} ***)

        EPICS_INCLUDES	= -Wno-shadow -I$(EPICS_BASE)/include \
        			-I$(EPICS_BASE)/include/os/Linux
        EPICS_LIB_DIRS	= -L$(EPICS_BASE)/lib/$(EPICS_ARCH)
        EPICS_LIBRARIES = -lca -lCom

	# For EPICS 3.15 and above

	ifeq ($(MX_ARCH),linux)
		EPICS_INCLUDES += -I$(EPICS_BASE)/include/compiler/gcc
	endif
	ifeq ($(MX_ARCH),linux-clang)
		EPICS_INCLUDES += -I$(EPICS_BASE)/include/compiler/clang
	endif
    endif

    # Debian EPICS Debian packages from the Debian 12 (bookworm) distribution
    #
    # WARNING: Not yet really tested (2022-08-18) WML.

    ifeq ($(EPICS_DIST),debian)
        EPICS_INCLUDES  = -Wno-shadow -I/usr/lib/epics/include \
        			-I/usr/lib/epics/include/os/Linux
        EPICS_LIB_DIRS  = -L/usr/lib/epics/lib/$(EPICS_ARCH)
        EPICS_LIBRARIES = -lca -lCom
    endif

    # NSLS-II EPICS Debian packages from http://epics.nsls2.bnl.gov/debian/

    ifeq ($(EPICS_DIST),nsls)
        EPICS_INCLUDES  = -Wno-shadow -I/usr/lib/epics/include \
        			-I/usr/lib/epics/include/os/Linux
        EPICS_LIB_DIRS  = -L/usr/lib/epics/lib/$(EPICS_ARCH)
        EPICS_LIBRARIES = -lca -lCom
    endif

    # IIT's EPICS Debian packages from http://debian-xray.iit.edu/

    ifeq ($(EPICS_DIST),iit)
        EPICS_INCLUDES  = -Wno-shadow -I/usr/include/epics \
        			-I/usr/include/epics/os/Linux
        EPICS_LIB_DIRS  = 
        EPICS_LIBRARIES = -lca -lCom
    endif

endif

#--------------------------------------------------------------------------

# MacOS X configuration

ifeq ($(MX_ARCH),macosx)
    EPICS_ARCH	= darwin-x86
    #EPICS_ARCH	= darwin-ppc

    MX_EPICS_CFLAGS = $(CFLAGS)

    EPICS_BASE	= /opt/epics/base

    EPICS_INCLUDES = -I$(EPICS_BASE)/include \
        			-I$(EPICS_BASE)/include/os/Darwin
    EPICS_LIB_DIRS = -L$(EPICS_BASE)/lib/$(EPICS_ARCH)
    EPICS_LIBRARIES = -lca -lCom
endif

#--------------------------------------------------------------------------

# MacOS X (with Clang) configuration

ifeq ($(MX_ARCH),macosx-clang)
    EPICS_ARCH	= darwin-x86

    MX_EPICS_CFLAGS = $(CFLAGS)

    EPICS_BASE	= /opt/epics/base

    EPICS_INCLUDES = -I$(EPICS_BASE)/include \
        			-I$(EPICS_BASE)/include/os/Darwin
    EPICS_LIB_DIRS = -L$(EPICS_BASE)/lib/$(EPICS_ARCH)
    EPICS_LIBRARIES = -lca -lCom
endif

#--------------------------------------------------------------------------

# Solaris configuration

ifeq ($(MX_ARCH),solaris)
    EPICS_ARCH	= solaris-sparc
    #EPICS_ARCH	= solaris-x86

    #EPICS_BASE	= /opt/epics/base
    #EPICS_BASE	= /usr/local/epics/base
    EPICS_BASE	= /filer/Data/epicsUIC/base

    EPICS_INCLUDES = -I$(EPICS_BASE)/include \
        			-I$(EPICS_BASE)/include/os/solaris
    EPICS_LIB_DIRS = -L$(EPICS_BASE)/lib/$(EPICS_ARCH)
    EPICS_LIBRARIES = -lca -lCom
endif

#--------------------------------------------------------------------------

# Solaris GCC configuration

ifeq ($(MX_ARCH),solaris-gcc)
    EPICS_ARCH	= solaris-sparc-gnu
    #EPICS_ARCH	= solaris-x86-gnu

    EPICS_BASE	= /opt/epics/base

    EPICS_INCLUDES = -I$(EPICS_BASE)/include \
        			-I$(EPICS_BASE)/include/os/solaris
    EPICS_LIB_DIRS = -L$(EPICS_BASE)/lib/$(EPICS_ARCH)
    EPICS_LIBRARIES = -lca -lCom
endif

#--------------------------------------------------------------------------

# Win32 configuration

ifeq ($(MX_ARCH),win32)
    ifndef EPICS_ARCH
        #EPICS_ARCH	= win32-x86
        EPICS_ARCH	= windows-x64
    endif

    MX_EPICS_CFLAGS = $(CFLAGS)

    ifndef EPICS_BASE
        EPICS_BASE	= C:\\opt\\epics\\base-7.0.7
        #EPICS_BASE	= C:\\opt\\epics\\base-3.14.12.3
        #EPICS_BASE	= C:\\opt\\epics\\base-3-14-11
        #EPICS_BASE	= D:\\opt\\epics\\base-3.14.12
    endif

    # Detect whether or not we are using Cygwin's version of GNU Make
    # instead of MSYS2 make.

    _uname_os := $(shell uname -o)

    $(info _uname_os is [${_uname_os}])

    ifneq ($(_uname_os),Cygwin)
        # Not Cygwin
	
        EPICS_INCLUDES = -I$(EPICS_BASE)\\include \
        			-I$(EPICS_BASE)\\include\\os\\WIN32 \
        			-I$(EPICS_BASE)\\include\\compiler\\msvc

        EPICS_LIBS = $(EPICS_BASE)\\lib\\$(EPICS_ARCH)\\ca.lib \
        			$(EPICS_BASE)\\lib\\$(EPICS_ARCH)\\Com.lib
    else
	# Cygwin
	
        _inc_1 := $(shell cygpath -w -a $(EPICS_BASE)/include)
        _inc_2 := $(shell cygpath -w -a $(EPICS_BASE)/include/os/WIN32)
        _inc_3 := $(shell cygpath -w -a $(EPICS_BASE)/include/compiler/msvc)

        EPICS_INCLUDES = -I$(_inc_1) -I$(_inc_2) -I$(_inc_3)

        _lib_1 := $(shell cygpath -w -a $(EPICS_BASE)/lib/$(EPICS_ARCH)/ca.lib)
        _lib_2 := $(shell cygpath -w -a $(EPICS_BASE)/lib/$(EPICS_ARCH)/Com.lib)

        EPICS_LIBS = $(_lib_1) $(_lib_2)
    endif

    $(info EPICS_INCLUDES is [${EPICS_INCLUDES}])

    $(info EPICS_LIBS is [${EPICS_LIBS}])

endif

#--------------------------------------------------------------------------