make/init.mk

   1 ################################################################################
   2 # Desc:   Environment initialization for webcc
   3 # Author: ksg
   4 # Date:   2016
   5 ################################################################################
   6 # This file reads default Make vars and environment vars to produce a standard
   7 # set of variables to compile with
   8 ################################################################################
   9 # Source languages handled by this build system.  These languages are capable of
  10 # being compiled to an intermediary format for binary output by one of the
  11 # provided compilers for each language
  12 LANGS       := c cpp go
  13 # Language-specific compilers and flags passed in from environment
  14 c_C         := $(strip $(notdir $(CC)))
  15 c_FLAGS     := $(strip $(CFLAGS)) -I$(SRC_DIR)
  16 c_SRCL      := y
  17 cpp_C       := $(strip $(notdir $(CXX)))
  18 cpp_FLAGS   := $(strip $(CXXFLAGS)) $(c_FLAGS)
  19 go_C        := gccgo
  20 go_FLAGS    := $(c_FLAGS)
  21 # Source-to-source languages handled by this build system
  22 SLANGS      := y rl
  23 # Yacc
  24 y_C         := bison
  25 y_FLAGS     := -d
  26 y_TRG       := c h
  27 y_STEM      := tab
  28 # Ragel
  29 rl_C        := ragel
  30 rl_FLAGS    := -C
  31 rl_TRG      := c
  32 rl_STEM     := fsm
  33 # Compiler-specific associations.  Each compiler has a binary object suffix
  34 # (OBJ), an archiver (AR), and an archiver object suffix (AROBJ).  Each compiler
  35 # may optionally have defined a linker (LD), and a binary output suffix (OUT).
  36 cc_OBJ      := o
  37 cc_LD       := $(LD)
  38 cc_AR       := $(AR)
  39 cc_AROBJ    := a
  40 cc_DBG      := gdb
  41 $(cpp_C)_LD := $(cc_LD)
  42 gcc_OBJ     := $(cc_OBJ)
  43 gcc_LD      := $(cc_LD)
  44 ngcc_AR     := $(cc_AR)
  45 gcc_AROBJ   := $(cc_AROBJ)
  46 gcc_DBG     := $(cc_DBG)
  47 emcc_OBJ    := bc
  48 emcc_AR     := emar
  49 emcc_AROBJ  := $(emcc_OBJ) #emar is just a python script that reparses shit for emcc
  50 emcc_OUT    := .js
  51 g++_OBJ     := $(cc_OBJ)
  52 em++_OBJ    := $(emcc_OBJ)
  53 em++_AR     := $(emcc_AR)
  54 em++_AROBJ  := $(emcc_AROBJ)
  55 em++_OUT    := $(emcc_OUT)
  56 gccgo_OBJ   := o
  57 gccgo_LD    := $(cc_LD)
  58 gccgo_AR    := $(cc_AR)
  59 gccgo_AROBJ := $(cc_AROBJ)
  60 # Shell functions to determine what libraries can be linked by the compiler
  61 cc_LDLIBS   := $(shell ldconfig -p | sed -e 's@\-*[0-9\.]*\.so.*$$@@g' -e 's@\tlib@@g' -e '/[\t ]/d')
  62 gcc_LDLIBS  := $(cc_LDLIBS)
  63 emcc_LDLIBS :=
  64 g++_LDLIBS  := $(cc_LDLIBS)
  65 em++_LDLIBS :=
  66 go_LDLIBS   := $(cc_LDLIBS)
  67 # location to build cross-compilation libraries in, not intended to be installed
  68 # in the host system
  69 LIB_DIR     := $(ROOT_DIR)/lib$(shell uname -m)/$($(c_C)_OBJ)
  70 LIBDL_DIR   := $(LIB_DIR)/.cache
  71 LIBINC_DIR  := $(ROOT_DIR)/include
  72 # The makefile MUST be capable of generating these directories and all of their
  73 # contents.  These directories are removed during the 'scrub' rule
  74 MAKE_DIRS   := $(LIB_DIR) $(LIBDL_DIR)
  75 # Set up lib inclusions, and scan for built libs
  76 c_FLAGS     += -I$(LIBINC_DIR)
  77 c_OBJ       := $($(c_C)_OBJ)
  78 # Modules are any directories other than 'DRIVER_MODULE' in 'SRC_DIR' and
  79 # produce a single archive in 'SRC_DIR' containing all of the module's symbols
  80 MODULES     := $(patsubst $(SRC_DIR)/%/,%,$(filter-out $(DRIVER_DIR)/%,$(shell ls -d $(SRC_DIR)/*/)))