simplification of control

[henge/webcc.git] / make / init.mk

diff --git a/make/init.mk b/make/init.mk
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+################################################################################
+# Desc:   Environment initialization for webcc
+# Author: ksg
+# Date:   2016
+################################################################################
+# This file reads default Make vars and environment vars to produce a standard
+# set of variables to compile with
+################################################################################
+# Source languages handled by this build system.  These languages are capable of
+# being compiled to an intermediary format for binary output by one of the
+# provided compilers for each language
+LANGS       := c cpp go
+# Language-specific compilers and flags passed in from environment
+c_C         := $(strip $(notdir $(CC)))
+c_FLAGS     := $(strip $(CFLAGS)) -I$(SRC_DIR)
+c_SRCL      := y
+cpp_C       := $(strip $(notdir $(CXX)))
+cpp_FLAGS   := $(strip $(CXXFLAGS)) $(c_FLAGS)
+go_C        := gccgo
+go_FLAGS    := $(c_FLAGS)
+# Source-to-source languages handled by this build system
+SLANGS      := y rl
+# Yacc
+y_C         := bison
+y_FLAGS     := -d
+y_TRG       := c h
+y_STEM      := tab
+# Ragel
+rl_C        := ragel
+rl_FLAGS    := -C
+rl_TRG      := c
+rl_STEM     := fsm
+# Compiler-specific associations.  Each compiler has a binary object suffix
+# (OBJ), an archiver (AR), and an archiver object suffix (AROBJ).  Each compiler
+# may optionally have defined a linker (LD), and a binary output suffix (OUT).
+cc_OBJ      := o
+cc_LD       := $(LD)
+cc_AR       := $(AR)
+cc_AROBJ    := a
+cc_DBG      := gdb
+$(cpp_C)_LD := $(cc_LD)
+gcc_OBJ     := $(cc_OBJ)
+gcc_LD      := $(cc_LD)
+ngcc_AR     := $(cc_AR)
+gcc_AROBJ   := $(cc_AROBJ)
+gcc_DBG     := $(cc_DBG)
+emcc_OBJ    := bc
+emcc_AR     := emar
+emcc_AROBJ  := $(emcc_OBJ) #emar is just a python script that reparses shit for emcc
+emcc_OUT    := .js
+g++_OBJ     := $(cc_OBJ)
+em++_OBJ    := $(emcc_OBJ)
+em++_AR     := $(emcc_AR)
+em++_AROBJ  := $(emcc_AROBJ)
+em++_OUT    := $(emcc_OUT)
+gccgo_OBJ   := o
+gccgo_LD    := $(cc_LD)
+gccgo_AR    := $(cc_AR)
+gccgo_AROBJ := $(cc_AROBJ)
+# Shell functions to determine what libraries can be linked by the compiler
+cc_LDLIBS   := $(shell ldconfig -p | sed -e 's@\-*[0-9\.]*\.so.*$$@@g' -e 's@\tlib@@g' -e '/[\t ]/d')
+gcc_LDLIBS  := $(cc_LDLIBS)
+emcc_LDLIBS := 
+g++_LDLIBS  := $(cc_LDLIBS)
+em++_LDLIBS := 
+go_LDLIBS   := $(cc_LDLIBS)
+# location to build cross-compilation libraries in, not intended to be installed
+# in the host system
+LIB_DIR     := $(ROOT_DIR)/lib$(shell uname -m)/$($(c_C)_OBJ)
+LIBDL_DIR   := $(LIB_DIR)/.cache
+LIBINC_DIR  := $(ROOT_DIR)/include
+# The makefile MUST be capable of generating these directories and all of their
+# contents.  These directories are removed during the 'scrub' rule
+MAKE_DIRS   := $(LIB_DIR) $(LIBDL_DIR)
+# Set up lib inclusions, and scan for built libs
+c_FLAGS     += -I$(LIBINC_DIR)
+c_OBJ       := $($(c_C)_OBJ)
+# Modules are any directories other than 'DRIVER_MODULE' in 'SRC_DIR' and
+# produce a single archive in 'SRC_DIR' containing all of the module's symbols
+MODULES     := $(patsubst $(SRC_DIR)/%/,%,$(filter-out $(DRIVER_DIR)/%,$(shell ls -d $(SRC_DIR)/*/)))