X-Git-Url: https://www.kengrimes.com/gitweb/?p=henge%2Fwebcc.git;a=blobdiff_plain;f=src%2FMakefile;h=06466c6d741ee32881432c55e59f25d4838a7234;hp=4150556e767817392126131235abc4c590e9aba4;hb=63a45325961d5117557022469db102efaed6d378;hpb=88ece196880f76b546112c4d7896ff93d654509c diff --git a/src/Makefile b/src/Makefile index 4150556..06466c6 100644 --- a/src/Makefile +++ b/src/Makefile @@ -1,126 +1,576 @@ -#Mihrtec Standard Makefile -#Author: ksg - -#Project Info -APPNAME := the_march -MODULES := core -CFLAGS := -Wall - -#Additional deps and flags for the final executable file -APP_FLAGS := -APP_RULES := - -#Extra cleanup rules -CLEAN_RULES := -SCRUB_RULES := - - -ifdef EMSCRIPTEN_TOOLS -#Emscripten build environment -APP_RULES += move -HTML := index.html js/the_march.config.js js/auth.js -EXPORTS := '_em_main', 'auth_encrypt' -CC := emcc -EMFLAGS := -I../extern/include -EMFLAGS += -s USE_SDL=2 -s USE_SDL_TTF=2 -s USE_SDL_IMAGE=2 -s SDL2_IMAGE_FORMATS='["png"]' -APP_FLAGS += --separate-asm -s ALLOW_MEMORY_GROWTH=1 -s FORCE_FILESYSTEM=1 --pre-js html/js/pre.js -APP_FLAGS += -s EXPORTED_FUNCTIONS="[$(EXPORTS)]" -EXEPATH := ../dist/bin/jasm/js -EXE := $(APPNAME).js -OBJFILE :=bc -EMFLAGS += -I/usr/include/google -I../extern/include -BYPRODUCT := $(APPNAME).asm.js $(APPNAME).js.mem -APP_FLAGS += $(EMFLAGS) ../extern/lib/libwolfssl.so -else -#Native Build Environment -CC := gcc -CFLAGS += -#LIBS := -lprotobuf-c -LIBS += SDL2_ttf SDL2_image SDL2main SDL2 -EXEPATH := ../dist/bin/$(shell uname -m) -#windows mingw build rules -ifeq ($(OS), Windows_NT) -LIBS := -lmingw32 -mwindows $(LIBS) -EXE := $(APPNAME).exe -else -EXE := $(APPNAME) -endif -OBJFILE :=o -endif - -#-I each of the module directories, include directory, and define APPNAME. -CFLAGS += $(patsubst %,-I%, $(MODULES)) -CFLAGS += -Iinclude -I. -CFLAGS += -DAPPNAME=$(APPNAME) - -#auto include all .c files -SRC += $(patsubst %,%/*.c,$(MODULES)) -SRC := $(wildcard $(SRC)) - -#Targets that don't generate a file -.PHONY: $(APPNAME) run push dox doc clean scrub all default move -#Define default rules to point to APPNAME -all default: clean $(APPNAME) - -#include rules from any .mk file found in a module directory -include $(wildcard $(patsubst %,%/*.mk,$(MODULES))) - -CFLAGS += $(patsubst %,-l% ,$(LIBS)) - -#populate C objects and dependency files to generate from SRC -COBJ += $(patsubst %.c,%.$(OBJFILE), $(filter %.c,$(SRC))) -CDEP += $(COBJ:.$(OBJFILE)=.d) - -include $(CDEP) - -#Build the executable -$(APPNAME): $(APP_RULES) $(CDEP) $(COBJ) - @mkdir -p $(EXEPATH) - $(CC) -o $(EXEPATH)/$(EXE) $(CXXFLAGS) $(CFLAGS) $(APP_FLAGS) core/main.$(OBJFILE) - -#run the game after making it -run: $(APPNAME) - $(EXEPATH)/$(EXE) - -#push to github after successful compile -push: $(APPNAME) - @printf '\nEnter a commit message:\n'; \ - read CMT; \ - git commit -am "$$CMT" - git push origin master - -dox doc: - doxygen dox.conf - -#clean up intermediate dependency files and binaries -clean: $(CLEAN_RULES) - @echo "Cleaning .d (deps) and .$(OBJFILE) (obj)" - @rm -f $(EXEPATH)/$(EXE) $(patsubst %,$(EXEPATH)/%, $(BYPRODUCT)) - @rm -f $(patsubst %,%/*.$(OBJFILE), $(MODULES)) - @rm -f $(patsubst %,%/*.d, $(MODULES)) - -#Scrub down to minimal distribution -scrub: clean $(SCRUB_RULES) - -#construct list of move rules for each HTML item -.PHONY: $(HTML) -$(HTML): - @mkdir -p ../dist/bin/jasm/js - @cp -f html/$@ ../dist/bin/jasm/$@ -#move js/html files -move: $(HTML) - -################## DEFAULTS ##################### -#cancel default %.o behavior for %.d dependency -%.o : %.c - -#new default .o for .c files -%.bc %.o: %.c %.d - $(CC) -c $(EMFLAGS) $(CPPFLAGS) $(CFLAGS) $< -o $@ - -#default for .d dependency files (output from gcc -M) -%.d: %.c - @./deps.sh 'dirname $*.c' $(CFLAGS) $*.c > $@ - @sed -i 's/$(*F)[\.]o/$(@D)\/$(*F)\.o/g' $@ - @cat $@ | sed 's/[\.][o]/.bc/g' >> $@ +################################################################################ +# Desc: Mihrtec Standard Transpilation Makefile +# Author: Mihrtec LLC +# Date: 2016 +################################################################################ +# This makefile manages a build environment targeting native platforms with gcc +# and web platforms with either emscripten or binaryen (js or wasm). +################################################################################ +# Each .c file is autopresidential debate california timematically compiled into an environment-dependent object +# file of compiler-specific format (.o for gcc, .bc for llvm/emcc/em++). +################################################################################ +default: all +# Source languages handled by this build system +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. +c_LIBS := SDL2 wolfssl +c_SRCL := y +cpp_C := $(strip $(notdir $(CXX))) +cpp_FLAGS := $(strip $(CXXFLAGS)) $(c_FLAGS) +cpp_LIBS := $(c_LIBS) +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 ls /usr/lib | grep ".o" | sed -e 's@^.*lib\([_\+a-zA-Z0-9\-]*\)\..*@\1@g') +gcc_LDLIBS := $(cc_LDLIBS) +emcc_LDLIBS := +g++_LDLIBS := $(cc_LDLIBS) +em++_LDLIBS := +go_LDLIBS := $(cc_LDLIBS) +# Directories +# The directory in './' containing app drivers and compilation info +DRIVER_DIR := bin +ROOT_DIR := .. +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) $(LCLLIB_DIR) +# Set up lib inclusions, and scan for built libs +c_FLAGS += -I$(LIBINC_DIR) +c_OBJ := $($(c_C)_OBJ) +# Modules are any directories other than 'DRIVER_MODULE' in './' and produce a +# single object file in './' containing all of the module's symbols and +# binaries. +MODULES := $(filter-out $(DRIVER_DIR),$(subst /,,$(shell ls -d */))) +#AWK_REVERSE_SQUASH############################################################## +# The following awk program reverses the order of a list while also removing +# duplicate entries. The effect of this when run on the dependency tree is that +# it will remove duplicates occurring in reverse order, allowing the most deeply +# nested libraries to be built, and linked, first. ############################## +define AWK_REVERSE_SQUASH = +awk \ +' +{ for(i=NF;i>0;i--) + printf (!a[$$i]++) ? $$i FS : ""; + i=split("",a); + print "" +} +' +#/AWK_REVERSE_SQUASH############################################################# +endef + +#PREMAKE_SOURCE_COMPILER######################################################### +# Compile any source-to-source languages before executing the majority of make ## +################################################################################# +define PREMAKE_SOURCE_COMPILER = +# Find the sources for each source-to-source language +$(foreach slang,$(SLANGS), +$(eval SLANG_SRC := $(patsubst ./%, %,$(shell find -name "*.$(slang)" -not -name ".*"))) +# Foreach target type in the source-to-source language, add this source's +# targets to the list of the current source-to-source language targets +$(eval undefine SLANG_TRG) +$(foreach trg,$($(slang)_TRG), +$(eval SLANG_TRG += $(SLANG_SRC:%.$(slang)=%.$(if $($(slang)_STEM),$($(slang)_STEM).)$(trg)))) +# Stat the source file's last-modified time to the var SRC_TIME +$(foreach src,$(SLANG_SRC), +# Establish a command to run for compiling this file +$(eval SHELL_CMD := cd $(dir $(src)) && $($(slang)_C) $($(slang)_FLAGS) $(notdir $(src))) +# Evaluate missing targets +$(eval FOUND_TRG := $(shell find $(dir $(src)) -name "$(basename $(notdir $(src))).*" -not -name ".*")) +$(eval MISSING_TRG := $(filter-out $(FOUND_TRG), $(SLANG_TRG))) +# Check timings of existing files +$(eval SRC_TIME := $(shell stat -c %Y $(src))) +# For each of the targets created by this source language, evaluate the +# last-modified times of each potential target. If the file does not exist, set +# the time to '0', otherwise set it to the -c %Y result from statting the file. +$(foreach srctrg,$(filter $(basename $(src))%, $(SLANG_TRG)), +$(eval TRG_TIMES += $(if $(wildcard $(srctrg)),$(shell stat -c %Y $(srctrg)),0)==$(srctrg))) +# Sort TRG_TIMES, which will produce a list of oldest-first files and timestamps +# of the form [last-modified-deltatime]==[filename] +$(eval TRG_TIMES := $(shell echo $(sort $(TRG_TIMES)) | $(call AWK_REVERSE_SQUASH))) +# Evaluate the newest time from our ordered list by splitting the word up by its +# '==' connectors and looking at the first word +$(eval NEWEST_TRG_TIME := $(word 1,$(subst ==, ,$(TRG_TIMES)))) +# Find the older of the two times (between SRC_TIME and NEWEST_TRG_TIME) +$(eval OLDER_TIME := $(firstword $(sort $(NEWEST_TRG_TIME) $(SRC_TIME)))) +# If the older of the two times is the newest target time found, then we need to +# rebuild, but only if our build rule intends to actually make something. If it +# does not intend to make something, drop a functional rule to actually make the +# target +$(if $(MAKECMDGOALS), +$(eval BUILDGOALS := $(filter-out clean scrub purge uninstall,$(MAKECMDGOALS))), +$(eval BUILDGOALS := all)) +$(if $(and $(BUILDGOALS),$(or $(MISSING_TRG), $(filter $(OLDER_TIME),$(NEWEST_TRG_TIME)))), +$(if $(findstring n,$(MAKEFLAGS)), +$(SLANG_TRG): + $(SHELL_CMD) +, +$(info $(SHELL_CMD) $(eval $(shell $(SHELL_CMD))))) +)) +# Put these targets on the MAKE_TARGETS list to be removed during "clean", +# regardless of whether or not they were built just now. +$(eval MAKE_TARGETS += $(SLANG_TRG)) +) +#/PREMAKE_SOURCE_COMPILER######################################################## +endef +# Compile a source language to a language that compiles to binary, but only if +# our build rule intends to build some kind of target +$(eval $(call PREMAKE_SOURCE_COMPILER,)) + + +# Backup the CVS password and CVSROOT environment vars in case we change them +$(if $(wildcard ~/.cvspass),\ +$(eval CVSPASS_BAK := $(file <~/.cvspass))) +$(if $(CVSROOT),\ +$(eval CVSROOT_BAK := $(CVSROOT))) + +# A long function definition to grab deps from the source's compiler and route +# errors to /dev/null if the rule generator expresses bogus errors +define SRC_LANG_FLAGS_OPT_DEPS = +$(filter-out \ %:,$(shell $($2_C) $3 $4 -MG $1 2> /dev/null)) +endef + +#SRC_LANG_RULE################################################################### +# Given a source and a language, generate a rule to make the object. The second +# invocation of gcc per file lists only its local includes, and filters out +# anything already caught. Anything remaining should be considered to be +# available in the current working directory of the source file(i.e. if you +# '#include "something.h"' in 'mymodule/horseradish.c', you would expect to +# include 'mymodule/something.h'. this check lets that happen), otherwise it is +# some kind of user error ####################################################### +define SRC_LANG_RULE = +$(if $($1),,$(eval $1 := t)\ +$(eval MOD := $(filter $(MODULES),$(firstword $(subst /, ,$(dir $1)))))\ +$(eval FLG := $(MOD:%=-I% ))\ +$(if $(wildcard $1), +$(eval DEPS := $(filter-out \ %:,$(shell $($2_C) $(FLG) -M -MG $1)))\ +$(eval MDEPS := $(filter $(MODULES:%=%/%),$(DEPS)))\ +$(eval LOST := $(filter-out \ %: $(DRIVER_DIR)/% $(MODULES:%=%/%),$(shell $($2_C) $(FLG) -MM -MG $1)))\ +$(eval MDEPS += $(LOST:%=$(dir $1)%))\ +$(eval MDEPS := $(shell echo $(MDEPS) | sed -e 's@[a-zA-Z0-9\-\+/]*\.\./include@../include@g'))\ +$(eval ALLDEPS := $(MDEPS) $(DEPS)),\ +$(error Cannot generate deps for: $1, file not found))\ +$(eval SRC_OBJ := $(basename $1).$($2_OBJ))\ +$(eval MAKE_TARGETS += $(SRC_OBJ)) +# Assume that lost dependencies are in the folder with the source +$(foreach lost,$(LOST), +$(eval ALLDEPS := $(subst $(lost), $(dir $1)$(lost),$(ALLDEPS)))) + +# Find any deps that aren't built yet, which the compiler has flagged +# as missing, but which we know the expected location of libs for +# this language should have their includes in 'LIBINC_DIR' +$(eval BUILDDEPS := $(filter $($2_LIBS:%=%/%),$(ALLDEPS))) +$(eval ALLDEPS := $(filter-out $(BUILDDEPS),$(ALLDEPS)) $(BUILDDEPS:%=$(LIBINC_DIR)/%)) +# Object for $1 +$(SRC_OBJ): $(ALLDEPS) + $($2_C) $$($2_FLAGS) $(FLG) -c -o $$@ $1 +$(if $($2_DBG),\ +$(eval DBG_OBJ := $(dir $1).$($2_DBG)/$(basename $(notdir $1)).$($2_OBJ))\ +$(if $(findstring $(dir $(DBG_OBJ)),$(MAKE_DIRS)),,\ +$(eval MAKE_DIRS += $(dir $(DBG_OBJ)))) +$(eval MAKE_TARGETS += $(DBG_OBJ)) +# Object for $1 with $($2_DBG) symbols +$(DBG_OBJ): $(ALLDEPS) | $(dir $(DBG_OBJ)) + $($2_C) $$($2_FLAGS) $(FLG) -Og -g$($2_DBG) -c -o $$@ $1 +)) +#/SRC_LANG_RULE################################################################## +endef + +#SRC_LANG_DRVRULE################################################################ +# establish a build and link rule given a source driver and language ############ +define SRC_LANG_DRVRULE = +$(eval DRIVER_NAME := $(basename $(notdir $1))) +$(eval DRIVER_TARG := $(1:%.$2=$(ROOT_DIR)/%$($2_OUT))) +$(eval DRIVER_SOB := $(basename $1).$($2_OBJ)) + +# Generate a rule for the driver object +$(eval $(call SRC_LANG_RULE,$1,$2)) + +# Modules can be implicitly specified by a driver if its dependencies include +# ANY files from any module directory. The 'MDEPS' var is set by SRC_LANG_RULE +# and expresses the dependencies required to build the object file only. +$(foreach module_dep,$(MDEPS), +$(eval DRIVER_MODULES += $(firstword $(subst /, ,$(module_dep)))) +) +$(eval DRIVER_MODULES := $(filter-out $(DRIVER_DIR) ..,$(sort $(DRIVER_MODULES)))) + +# In the event that the driver developer does not wish to include a header to +# any internal modules, the developer may instead create a file with the same +# basename as the driver, but with the '.ld' suffix, which contains a space +# separated list of internal modules to link together during compilation +$(eval DRIVER_LDVALS := $(file <$(1:%.$2=%.ld))) +$(eval DRIVER_LFLAGS := $(filter -l%,$(DRIVER_LDVALS))) +$(eval DRIVER_MODULES += $(filter-out -l%,$(DRIVER_LDVALS))) + +# List of module archives to link together during compilation +$(eval DRIVER_ARCHIVES := $(DRIVER_MODULES:%=%.$($2_AROBJ))) +$(eval DRIVER_DEPS := $(DRIVER_SOB) $(DRIVER_ARCHIVES)) +$(eval DRIVER_DBGARCHIVES := $(DRIVER_MODULES:%=.$($2_DBG)/%.$($2_AROBJ))) +$(eval DRIVER_DBGDEPS := $(dir $(DRIVER_SOB)).$($2_DBG)/$(notdir $(DRIVER_SOB))) +$(eval DRIVER_DBGDEPS += $(DRIVER_DBGARCHIVES)) + +# If the compiler supports linking, distinguish static from dynamic links, +# otherwise set all libraries to static +$(if $($($2_C)_LD),\ +$(eval STLIBS := $(filter-out $($($2_C)_LDLIBS),$($2_LIBS)))\ +$(eval DLIBS := $(filter-out $(STLIBS),$($2_LIBS))),\ +$(eval STLIBS := $($2_LIBS))) + +# Directory setup +$(eval DRIVER_TARG_DIR := $(dir $(1:%.$2=$(ROOT_DIR)/%))) +$(eval MAKE_DIRS += $(DRIVER_TARG_DIR)) +$(if $($2_DBG),$(eval MAKE_DIRS += $(DRIVER_TARG_DIR).$($2_DBG))) + +# Setup the sources for this object. A driver build rule does not include any +# compile steps at all, and so should not contain any sources that are, +# themselves, traditional "source files" like a language-compiled 'c' file. The +# driver depends on the existence of its equivalent object file (created through +# compilation), which is expected to contain a 'main' function (or entry for +# '_start'). This driver object is then simply linked to its libraries and +# module archives to create an executable binary in the output folder. +# ORDER MATTERS HERE, this is for the linker: +$(eval DRIVER_SRC := $(DRIVER_LFLAGS) $(DRIVER_DEPS)) +$(eval DRIVER_DBGSRC := $(DRIVER_LFLAGS) $(DRIVER_DBGDEPS)) +# Iterate through the list of libraries in our language and stack commands from +# left to right in the "sources" section of the LD command (or LD section of the +# commandline for the compiler), to preserve ordering and also ensure that it is +# linked correctly IN THAT ORDER (static vs dynamic). +$(foreach lib,$($2_LIBS),\ +$(if $(findstring $(lib),$(STLIBS)), +# Evaluate static lib $(lib) and add it to the dependencies and sources of the rules we built +$(eval STATIC_SRC := $(LIB_DIR)/lib$(lib).$($2_AROBJ))\ +$(eval STATIC_DBGSRC := $(LIB_DIR)/.$($2_DBG)/lib$(lib).$($2_AROBJ))\ +$(eval DRIVER_SRC := $(STATIC_SRC) $(DRIVER_SRC))\ +$(eval DRIVER_DBGSRC := $(STATIC_DBGSRC) $(DRIVER_DBGSRC))\ +$(eval DRIVER_DEPS += $(STATIC_SRC))\ +$(eval DRIVER_DBGDEPS += $(STATIC_DBGSRC)), +# Add dynamic lib to the sources with a link flag, in its correct ordering +$(eval DRIVER_SRC := -l$(lib) $(DRIVER_SRC))\ +$(eval DRIVER_DBGSRC := -l$(lib) $(DRIVER_DBGSRC))\ +)) + +# Add the driver target to this language's targets for cleaning +$(eval SCRUB_TARGETS += $(DRIVER_TARG)) +$(DRIVER_TARG): $(DRIVER_DEPS) | $(DRIVER_TARG_DIR) + $($2_C) $($2_FLAGS) $(DRIVER_SRC) -o $$@ +# Output a rule for building with debug flags +$(eval DRIVER_DBGTARG := $(DRIVER_TARG_DIR)$(basename $(notdir $(DRIVER_TARG)))-d$($2_OUT)) +$(eval SCRUB_TARGETS += $(DRIVER_DBGTARG)) +$(eval MAKE_DIRS += $(DRIVER_TARG_DIR).$($2_DBG)/) +$(DRIVER_DBGTARG): $(DRIVER_DBGDEPS) | $(DRIVER_TARG_DIR) + $($2_C) $($2_FLAGS) $(DRIVER_DBGSRC) -o $$@ +# Make a rule to run this driver after building +$(DRIVER_NAME)-run: $(DRIVER_TARG) + $(DRIVER_TARG) +$(DRIVER_NAME)-d: $(DRIVER_DBGTARG) + +#/SRC_LANG_DRVRULE############################################################### +endef + +#MODULE_ARCRULE################################################################## +# generate rule for turning an entire module's collection of binary objects into +# a single locally-linked (no external -L libs) object (for simplified linking +# modules as static libs).####################################################### +define MODULE_ARCRULE = +$(eval ARCDEPS := $(filter $1/%.$(c_OBJ),$(foreach lang,$(LANGS),$($(lang)_MOD_TRG))))\ +$(eval MAKE_TARGETS+= $1.$(c_AROBJ))\ + +$1.$(c_AROBJ): $(ARCDEPS) + $(c_AR) cr $$@ $$^ +$(if $(c_DBG), +$(eval undefine DBGARCDEPS) +$(foreach arcdep,$(ARCDEPS),$(eval DBGARCDEPS += $(dir $(arcdep)).$(c_DBG)/$(notdir $(arcdep)))) +$(eval MAKE_TARGETS+= .$(c_DBG)/$1.$(c_AROBJ))\ + +.$(c_DBG)/$1.$(c_AROBJ): $(DBGARCDEPS) | .$(c_DBG)/ + $(c_AR) cr $$@ $$^ +) +#/MODULE_ARCRULE################################################################# +endef + +# LANG_LIB_PARENT_BUILDRULE###################################################### +# define rules for creating unknown libraries in the local build environment for +# either binary or bytecode representation given a library name and, optionally, +# a parent lib that included it for error reporting ############################# +define LANG_LIB_PARENT_BUILDRULE = +$(eval CONF_FLAG := --prefix=$(abspath $(LIB_DIR)).trash) +$(eval CONF_FLAG += --includedir=$(abspath $(LIBINC_DIR))) +# Setup installation rule steps for this lib +$(eval +BUILDSTEPS := $(if $(AUTOGEN),$(AUTOGEN) && ) +BUILDSTEPS += $(if $(CONFIGURE),$(CONFIGURE) $(CONF_FLAG) --libdir=$(abspath $(LIB_DIR)) && ) +$(if $(MKCMD),\ +BUILDSTEPS += $(MKCMD), +$(error $2.mk requires a valid MKCMD definition)) +$(if $(MKINSTALL),\ +INSTALLCMD := $(MKINSTALL),\ +$(error $2.mk requires a valid MKINSTALL definition)) +CLEANCMD := $(MKCLEAN) +) +# Construct the download method, or error if there isn't a valid one +$(if $(GITADDR),$(eval LIBDL := git clone $(GITADDR) $2),\ +$(if $(HGADDR),$(eval LIBDL := hg clone $(HGADDR) $2),\ +$(if $(CVSADDR),\ +$(eval LIBDL := export CVSROOT=$(CVSADDR))\ +$(eval LIBDL += && echo '$(CVSPASS)' > ~/.cvspass)\ +$(eval LIBDL += && cvs $($2_CVSGET)) +$(eval LIBDL += && $(if $(CVSPASS_BAK),echo $(CVSPASS_BAK) > ~/.cvspass,rm ~/.cvspass)),\ +$(if $(WEBADDR),$(eval LIBDL := wget -O $(WEBTARG) $(WEBADDR)),\ +$(eval $(error No way to download $2 needed by $3 for $1 language )))))) +# '$2' Download Rule +$(LIBDL_DIR)/$2: + mkdir -p $$@ + cd $(LIBDL_DIR) && $(LIBDL) $(if $(WEBINIT),&& $(WEBINIT)) +# '$2' Make and install rule, and ensure it isn't marked "clean" +$(LIB_DIR)/lib$2.$($1_AROBJ): $(LIBDEPS:%=$(LIB_DIR)/lib%.$($1_AROBJ)) | $(LIBDL_DIR)/$2 + @mkdir -p $(LIB_DIR) + cd $(LIBDL_DIR)/$2 && export LD_RUN_PATH=$(LIBLDPATH) && $(BUILDSTEPS) + cd $(LIBDL_DIR)/$2 && $(INSTALLCMD) + @rm -f $(LIBDL_DIR)/$2.clean + +# '$2' Rule for building under debug mode +$(if $($1_DBG),\ +$(eval LIBDBG_DIR := $(LIB_DIR)/.$($1_DBG))\ +$(eval $(if $(findstring $(LIBDBG_DIR),$(MAKE_DIRS)),,MAKE_DIRS += $(LIBDBG_DIR)))\ +$(eval LIBDBG_TARG := $(LIBDBG_DIR)/lib$2.$($1_AROBJ))\ +$(eval LIBDBG_DEPS := $(LIBDEPS:%=$(LIB_DIR)/.$($1_DBG)/lib%.$($1_AROBJ)))\ +$(eval DBGBUILDSTEPS := $(if $(AUTOGEN),$(if $(AUTOGENDBG),$(AUTOGENDBG),$(AUTOGEN)) && ))\ +$(eval DBGBUILDSTEPS += $(if $(CONFIGURE),$(if $(CONFIGUREDBG),$(CONFIGUREDBG),$(CONFIGURE)) $(CONF_FLAG) --libdir=$(abspath $(LIB_DIR))/.$($1_DBG)))\ +$(eval DBGBUILDSTEPS += $(if $(MKDBGCMD),$(MKDBGCDM),$(MKCMD)))\ + +# '$2' Make and install rule for debugging +$(LIBDBG_TARG): $(LIBDBG_DEPS) | $(LIBDL_DIR) + @mkdir -p $(LIBDBG_DIR) + cd $(LIBDL_DIR)/$2 && export LD_RUN_PATH=$(LIBLDPATH:$(LIB_DIR)%=$(LIBDBG_DIR)) && $(DBGBUILDSTEPS) + cd $(LIBDL_DIR)/$2 && $(INSTALLCMD) + @rm -f $(LIBDL_DIR)/$2.clean +) + +# '$2' Clean rule - drop a marker in the directory so we don't bother cleaning +# things that are clean... by default there is no real way of tracking this in a +# makefile +clean_$2: + $$(if $$(wildcard $(LIBDL_DIR)/$2),$$(if $$(wildcard $(LIBDL_DIR)/$2.clean),,\ + cd $(LIBDL_DIR)/$2 && $(CLEANCMD) && touch $(abspath $(LIBDL_DIR))/$2.clean)) + +#/LANG_LIB_PARENT_BUILDRULE###################################################### +endef + + +#LANG_LIB_INIT################################################################### +# For every library in this language, we need to determine how, and if, to link +# its data. This could potentially be done recursively as libraries have +# dependencies upon each other. We call a recursive macro here to expand out +# all the libs for this language, and then flatten the tree by removing +# duplicates with shell commands. We can't use make's 'sort' function because +# we actually care about the ordering so that interdependent libraries can link +# back up the tree ############################################################## +define LANG_LIB_INIT = +# Initialize per-library data, then import data from an accompanying file that +# can overwrite these vars +$(eval +# Implicit defaults for lib.mk files +AUTOGEN := ./autogen.sh +AUTOGENDBG := ./autogen.sh --enable-debug +CONFIGURE := ./configure +MKCMD := make -k +MKINSTALL := make -k install +MKCLEAN := make clean +MKDBGCMD := make -k +LIBDEPS := +LIBLANGS := c cpp go +LIBLDPATH := $(if $($($1_C)_LD),$(if $(LD_LIBRARY_PATH),$(LD_LIBRARY_PATH):,/usr/lib:)$(abspath $(LIB_DIR))) +# One of these must be defined in the .mk file imported +$(foreach var, GITADDR WEBADDR HGADDR CVSADDR,\ +$(eval undefine $(var))) +# Other, optional, variables to clear +$(foreach var, WEBTARG WEBINIT CVSGET CVSPASS CONFIGUREDBG, +$(eval undefine $(var))) +) +# Include and evaluate such that it may be called and evaluated for immediate +# evaluation of its contents +define EVALINCLUDE = +$(eval include $2.mk) +endef +# If there is a .mk file for this lib, import it. Otherwise, we'll try to link +# it later, unless there is no linker for the language's compiler. +$(if $(wildcard $2.mk),$(eval $(file <$2.mk)),\ +$(if $($($1_C)_LD),\ +$(warning No $2.mk for lib$2, attempting to link from the system),\ +$(error No $2.mk for lib$2 and '$($1_C)' is not configured for linking)))\ + +# Add dependencies we found (potentially recursively, ignore repeats until later +# so we can preserve ordering information for interdependency build ordering) +$(if $(LIBDEPS),\ +$(eval $1_LIBS += $(LIBDEPS))) +# languages that can link this library (typically any lang that shares the +# object format (ELF by default, but this is compiler-dependent (e.g. emcc uses +# llvm bitcode, which is just an intermediary representation of data that can +# link to anything else statically, or as an archive))) +$(if $(findstring $1,$(LIBLANGS)),,\ +$(error $2.mk must specifically set LIBLANGS := $1 if it is compatible with $1)) +# Mark this lib as available for all its other compatible languages. This list +# is assumed to be sorted later, so we will ignore repeats for speed +$(foreach lang,$(LIBLANGS),\ +$(if $(findstring $2,$($(lang)_LIBS)),,\ +$(eval $(lang)_LIBS += $2))) +# Generate a build rule for this lib, unless it's already built +$(if $(findstring $2,$(BUILTLIBS)),,\ +$(eval $(call LANG_LIB_PARENT_BUILDRULE,$1,$2,$3))\ +$(eval BUILTLIBS += $2)) +# Recurse this function for every libdep encountered +$(foreach libdep,$(LIBDEPS),\ +$(call LANG_LIB_INIT,$1,$(libdep),$2)) +#/LANG_LIB_INIT################################################################# +endef + +# Initialize data for supported lanaguages ###################################### +define LANG_INIT = +$(eval +$1_OBJ := $($($1_C)_OBJ) +$1_OUT := $($($1_C)_OUT) +$1_AROBJ := $($($1_C)_AROBJ) +$1_SOURCES := $(subst ./,,$(shell find -name "*.$1" -not -name ".*")) +$1_DBG := $($($1_C)_DBG) +$1_AR := $($($1_C)_AR) +) +# Find save language-specific driver and module sources and targets +$(eval $1_DRV_SRC := $(filter $(DRIVER_DIR)/%,$($1_SOURCES))) +$(eval $1_DRV_TRG := $(patsubst %.$1,$(ROOT_DIR)/%$($1_OUT),$($1_DRV_SRC))) +$(eval $1_MOD_SRC := $(filter-out $(DRIVER_DIR)/%,$($1_SOURCES))) +$(eval $1_MOD_TRG := $(subst .$1,.$($1_OBJ),$($1_MOD_SRC))) +# Add those sources and targets to a language-irreverant var +$(eval +DRV_SRC += $($1_DRV_SRC) +DRV_TRG += $($1_DRV_TRG) +MOD_SRC += $($1_MOD_SRC) +MOD_TRG += $($1_MOD_TRG) +)\ +# First, initialize language-module, module, and language relative data. Then, +# filter out each source file from the module and generate Dependency Rules and +# Module Object Rules for each of them. +$(foreach module,$(MODULES), +# Evaluate the module sources for this language +$(eval $(module)_$1_SRC := $(filter $(module)/%,$($1_MOD_SRC))) +# Evaluate module targets for this language +$(eval $(module)_$1_TRG := $($(module)_$1_SRC:%.$1=%.$($1_OBJ))) +# Add these language-specific sources and targets to the module's src/targs +$(eval +$(module)_SRC += $($(module)_$1_SRC) +$(module)_TRG += $($(module)_$1_TRG) +) +# For every source file, create a build rule for it for our language +$(foreach src,$(filter $(module)/%,$($1_MOD_SRC)),\ +$(eval $(call SRC_LANG_RULE,$(src),$1))\ +)) +# For all the listed libraries, initialize the library, which will set up all of +# its local ($1_LIBS, etc) data +$(foreach lib,$($1_LIBS),\ +$(eval $(call LANG_LIB_INIT,$1,$(lib),$1))) +# The initializer produces an ordered list of interlinked dependencies in groups +# by depth, so when reading backwards and compressing repeats we are left with a +# reliable build order for library interlinking. this awk program just looks +# through a list of space separated words backwards failing to print when it +# encounters a repeat +$1_LIBS := $(shell echo "$($1_LIBS)" | $(call AWK_REVERSE_SQUASH)) +#/LANG_INIT###################################################################### +endef + +# The recursive library dependecy traversal constructs a tree ordered by nested +# dependency depth. when linking, this order is reversed. +# Initialize each language and look for its files +$(eval $(foreach lang,$(LANGS),\ +$(eval $(call LANG_INIT,$(lang)))\ +$(eval $(lang)_LIBS := $(shell echo $($(lang)_LIBS) | $(call AWK_REVERSE_SQUASH)))\ +)) + +# Create module object rules for each module +$(foreach module,$(MODULES),\ +$(eval $(call MODULE_ARCRULE,$(module)))\ +) +$(if $(c_DBG),$(eval MAKE_DIRS += .$(c_DBG)/)) + +# Create lang-specific rules for producing final (linked) targets +$(foreach lang,$(LANGS),\ +$(foreach drvsrc,$($(lang)_DRV_SRC),\ +$(eval $(call SRC_LANG_DRVRULE,$(drvsrc),$(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 linkrule 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)))\ +) +all: $(basename $(DRV_FNAMES)) + @echo Build Complete + +# Rule to make any dirs that we're in charge of +$(sort $(MAKE_DIRS)): + @mkdir -p $@ + +# Cleaning rules. +# Clean destroys all object files and internal module archives. +CLEAN_TARGETS := $(sort $(foreach mtarg,$(MAKE_TARGETS),$(if $(wildcard $(mtarg)),$(mtarg)))) +clean: $(BUILTLIBS:%=clean_%) + $(if $(CLEAN_TARGETS),rm $(CLEAN_TARGETS)) + +# Scrub destroys all distributable binaries +SCRUB_TARGETS := $(sort $(foreach starg,$(SCRUB_TARGETS),$(if $(wildcard $(starg)),$(starg)))) +scrub: clean + $(if $(SCRUB_TARGETS),rm $(SCRUB_TARGETS)) + +# 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: scrub + rm -Rf $(MAKE_DIRS)