################################################################################
# Desc: Web Cross Compiler
-# Author: Ken Grimes
+# Author: ksg
# Date: 2016
################################################################################
# This makefile manages a build environment targeting native platforms with gcc
# Each .c file is automatically compiled into an environment-dependent object
# file of compiler-specific format (.o for gcc, .bc for llvm/emcc/em++).
################################################################################
-# The default rule to be built if none specified
-default: all
# webcc's root
ROOT_DIR := .
# source directory to find compilable language files in
DRIVER_DIR := $(SRC_DIR)/bin
# make configuration directory
CONF_DIR := $(ROOT_DIR)/make
-# 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 compilersfor each language
-LANGS := c cpp go
-# Source-to-source languages handled by this build system
-SLANGS := y rl
-# 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
-# Bison
-y_C := bison
-y_FLAGS := -d
-y_STEM := tab
-y_TRG := c h
-# Ragel
-rl_C := ragel
-rl_FLAGS := -C
-rl_TRG := c
-# 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)/*/)))
-
+# include initialization variables
+include $(CONF_DIR)/init.mk
# Include the make libraries
-include make/lib/*.mk
+include $(CONF_DIR)/lib/*.mk
+
+# The default rule to be built if none specified
+default: all
# If available, invoke the premake system
ifdef PREMAKE_SOURCE_COMPILER
$(eval $(call PREMAKE_SOURCE_COMPILER,))
else
-$(info Warning: No premake system found, source-to-source languages (e.g. bison) not functional)
+$(info No premake system found, source-to-source languages (e.g. ragel) not functional)
endif
# Backup the CVS password and CVSROOT environment vars in case we change them
+# during lib downloading
$(if $(wildcard ~/.cvspass),\
$(eval CVSPASS_BAK := $(file <~/.cvspass)))
$(if $(CVSROOT),\
$(eval CVSROOT_BAK := $(CVSROOT)))
-# The recursive library dependecy traversal constructs a tree ordered by nested
-# dependency depth. when linking, this order is reversed.
-# Initialize each language and look for its files
+# Initialize each language, look for its source files, and generate rules
ifdef LANG_INIT
$(foreach lang,$(LANGS),\
$(eval $(call LANG_INIT,$(lang)))\
))
# Create driver rules for each driver we found, let users call make specifying
-# the basename of the driver file, and just route to the correct e we
-# made in the last paragraph
-DRV_FNAMES := $(notdir $(DRV_SRC))
-.PHONY: all $(basename $(DRV_NAMES))
-$(foreach fname,$(DRV_FNAMES),\
-$(eval $(basename $(fname)): \
-$(filter %/$(basename $(fname))$($(lastword $(subst ., ,$(fname))_OUT)),$(DRV_TRG)))\
+# the basename of the driver file, and just route to the correct linking rule
+$(foreach drvsrc,$(DRV_SRC),\
+$(eval $(call DRVSRC_DRIVERPHONY,$(drvsrc)))\
)
-all: $(basename $(DRV_FNAMES))
- @echo Build Complete
+
+.PHONY: all
+all: $(PH_TARGS)
# Rule to make any dirs that we're in charge of
$(sort $(MAKE_DIRS)):
# Purge destroys all distributables created by a distributable binary
# (e.g. assets)
-# Uninstall destroys all objects and directories that cannot be recreated by
-# this make file
+# Uninstall destroys all objects and directories that can be recreated by this
+# make file
uninstall: scrub
rm -Rf $(MAKE_DIRS)
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