openbcm

Git mirror of https://github.com/Broadcom-Network-Switching-Software/OpenBCM
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Makefile.linux-kernel (2848B)

      1 # 
      2 # This license is set out in https://raw.githubusercontent.com/Broadcom-Network-Switching-Software/OpenBCM/master/Legal/LICENSE file.
      3 # 
      4 # Copyright 2007-2019 Broadcom Inc. All rights reserved.
      5 
      6 # Configuration Flags
      7 
      8 # Filter out features that cannot or should not be supported in kernel mode
      9 _FEATURE_EXCLUDE_LIST += EDITLINE TCL OOB_RCPU CINT APIMODE DUNE_UI C_UNIT
     10 FEATURE_EXCLUDE_LIST = $(sort $(_FEATURE_EXCLUDE_LIST))
     11 # Tools
     12 
     13 CC	= $(CROSS_COMPILE)gcc
     14 CXX	= $(CROSS_COMPILE)g++
     15 LD	= $(CROSS_COMPILE)ld
     16 AR	= $(CROSS_COMPILE)ar
     17 ARFLAGS	= -rc
     18 STRIP	= $(CROSS_COMPILE)strip
     19 RANLIB  = $(CROSS_COMPILE)ranlib
     20 OBJCOPY = $(CROSS_COMPILE)objcopy
     21 
     22 # Handle differences between gcc 2.x and gcc 3.x
     23 gcc-tune-flag = $(shell if ${CC} -dumpspecs | grep mcpu >/dev/null; then echo cpu; else echo tune; fi)
     24 
     25 # Configuration Variables
     26 
     27 # OSType Defines: This defines the type of RTOS or microkernel which you
     28 # are compiling the SAL (and its associated driver) for. New platforms
     29 # can be created by porting the routines (system.c) to your platform and
     30 # adding the define in this Makefile.
     31 
     32 OSTYPE = LINUX
     33 
     34 #
     35 # ORIGIN is used to Optionally select different CFLAGS. It is used to import
     36 # source from other vendors. If SOURCE=Broadcom, then the BCM_ flags are added
     37 # to those passed to the compiler. If SOURCE != Broadcom, BCM_ flags are NOT
     38 # added.
     39 #
     40 # Default specifies Broadcom
     41 #
     42 ifndef ORIGIN
     43 	ORIGIN = Broadcom
     44 endif
     45 
     46 #
     47 # STD_{C|CPP|CXX}FLAGS - Standard flags used by ALL compilations
     48 # BCM_{C|CPP|CXX}FLAGS - Flags used for Broadcom source files
     49 # OPT_{C|CPP|CXX}FLAGS - Defined in local make files BEFORE inclusion of 
     50 #			 this Makefile, to define local "Extra" flags.
     51 #
     52 
     53 CFGFLAGS += -I$(SDK)/systems/linux/kernel/modules/include \
     54 	    -I$(SDK)/systems/bde/linux/include \
     55 	    -I$(LINUX_INCLUDE)
     56 
     57 CFGFLAGS += -DNO_FILEIO -DNO_CTRL_C -DNO_MEMTUNE
     58 
     59 CFGFLAGS += -D$(OSTYPE)
     60 
     61 # No user sal for the linux kernel
     62 # NO_SAL_APPL=1
     63 
     64 STD_CFLAGS = $(KFLAGS) $(CFGFLAGS)
     65 
     66 
     67 STD_CPPFLAGS = ${STD_CFLAGS}
     68 STD_CXXFLAGS = ${STD_CFLAGS}
     69 
     70 BCM_CFLAGS   = -Wall -Werror
     71 BCM_CPPFLAGS = ${BCM_CFLAGS}
     72 BCM_CXXFLAGS = ${BCM_CFLAGS}
     73 
     74 ifeq (${ORIGIN}, Broadcom)
     75 	CFLAGS   += ${STD_CFLAGS}   ${BCM_CFLAGS}   ${OPT_CFLAGS}
     76 	CPPFLAGS += ${STD_CPPFLAGS} ${BCM_CPPFLAGS} ${OPT_CPPFLAGS}
     77 	CXXFLAGS += ${STD_CXXFLAGS} ${BCM_CXXFLAGS} ${OPT_CXXFLAGS}
     78 else
     79 	CFLAGS   += ${STD_CFLAGS}   ${OPT_CFLAGS}
     80 	CPPFLAGS += ${STD_CPPFLAGS} ${OPT_CPPFLAGS}
     81 	CXXFLAGS += ${STD_CXXFLAGS} ${OPT_CXXFLAGS}
     82 endif
     83 
     84 #
     85 # Ignore pedantic flag for kernel modules
     86 #
     87 ifdef DEBUG_PEDANTIC
     88 DEBUG_PEDANTIC = FALSE
     89 endif
     90 
     91 #
     92 # DEPEND is used as a command to generate the list of dependencies.
     93 # The format of the output must be 
     94 #	"file.o : file.c a/b/c.h d/e/f.h ...", 
     95 # if it is on multiple lines, each line must end in a backslash. 
     96 # The output MUST be on standard out.
     97 #
     98 DEPEND = ${CC} -M $(CFLAGS) $<