Rebuild CRuby based building script without Makefile

Tested CRuby 1.8.6 and 1.9.3

You can see building configuration in build_config.rb

3 files changed, 15 insertions, 139 deletions

diff --git a/mrblib/CMakeLists.txt b/mrblib/CMakeLists.txt
deleted file mode 100644
index a0386f0fe..000000000
--- a/mrblib/CMakeLists.txt
+++ /dev/null
@@ -1,60 +0,0 @@
-# transform mruby's standard lib into a C library
-
-file(GLOB MRBLIB_SRC_RB "*.rb")
-
-if(CMAKE_CROSSCOMPILING)
-  # create native tools and `mrblib.ctmp` required to build `mrblib.c`
-  include(ExternalProject)
-  ExternalProject_Add(mruby-native
-    DOWNLOAD_COMMAND ""
-    SOURCE_DIR "${CMAKE_SOURCE_DIR}"
-    CONFIGURE_COMMAND "${CMAKE_COMMAND}" "${CMAKE_SOURCE_DIR}"
-    INSTALL_COMMAND ""
-    BINARY_DIR "${CMAKE_BINARY_DIR}/native"
-    )
-
-  # aggregate mruby's standard library as a single C file
-  add_custom_command(OUTPUT "${CMAKE_CURRENT_BINARY_DIR}/mrblib.c"
-    DEPENDS mruby-native init_mrblib.c "${CMAKE_BINARY_DIR}/native/mrblib/mrblib.ctmp"
-    COMMAND "${CMAKE_BINARY_DIR}/native/tools/xpcat/xpcat"
-            -o "${CMAKE_CURRENT_BINARY_DIR}/mrblib.c"
-            "${CMAKE_CURRENT_SOURCE_DIR}/init_mrblib.c"
-            "${CMAKE_BINARY_DIR}/native/mrblib/mrblib.ctmp"
-    )
-else()
-  # generate a single rb file from all existing ones
-  add_custom_command(OUTPUT "${CMAKE_CURRENT_BINARY_DIR}/mrblib.rbtmp"
-    DEPENDS xpcat
-    COMMAND xpcat -o "${CMAKE_CURRENT_BINARY_DIR}/mrblib.rbtmp" ${MRBLIB_SRC_RB}
-    )
-
-  # mruby compile and generate C byte array representation
-  add_custom_command(OUTPUT "${CMAKE_CURRENT_BINARY_DIR}/mrblib.ctmp"
-    DEPENDS mrbc "${CMAKE_CURRENT_BINARY_DIR}/mrblib.rbtmp"
-    COMMAND mrbc -Bmrblib_irep -o"${CMAKE_CURRENT_BINARY_DIR}/mrblib.ctmp"
-                 "${CMAKE_CURRENT_BINARY_DIR}/mrblib.rbtmp"
-    )
-
-  # aggregate mruby's standard library as a single C file
-  add_custom_command(OUTPUT "${CMAKE_CURRENT_BINARY_DIR}/mrblib.c"
-    DEPENDS xpcat init_mrblib.c "${CMAKE_CURRENT_BINARY_DIR}/mrblib.ctmp"
-    COMMAND xpcat -o "${CMAKE_CURRENT_BINARY_DIR}/mrblib.c"
-                     "${CMAKE_CURRENT_SOURCE_DIR}/init_mrblib.c"
-                     "${CMAKE_CURRENT_BINARY_DIR}/mrblib.ctmp"
-    )
-endif()
-
-
-# generate final static libmruby archive library
-add_library(libmruby_static STATIC
-  mrblib.c
-  $<TARGET_OBJECTS:mruby_object>
-  )
-set_target_properties(libmruby_static PROPERTIES OUTPUT_NAME mruby)
-
-install(TARGETS libmruby_static
-  LIBRARY DESTINATION lib
-  ARCHIVE DESTINATION lib
-  )
-
-# vim: ts=2 sts=2 sw=2 et
diff --git a/mrblib/Makefile b/mrblib/Makefile
deleted file mode 100644
index 57ce1387b..000000000
--- a/mrblib/Makefile
+++ /dev/null
@@ -1,79 +0,0 @@
-# Makefile description.
-# basic build file for mruby library (Ruby part)
-
-# project-specific macros
-# extension of the executable-file is modifiable(.exe .out ...)
-BASEDIR = .
-TARGET := mrblib
-MLIB := $(TARGET).o
-CLIB := $(TARGET).c
-DLIB := $(TARGET).ctmp
-RLIB := $(TARGET).rbtmp
-DEPLIB := $(TARGET).d
-MRB1 := $(BASEDIR)/*.rb
-MRBS := $(MRB1)
-LIBR0 := ../lib/libmruby_core.a
-LIBR := ../lib/libmruby.a
-
-# libraries, includes
-INCLUDES = -I../src -I../include
-
-ifeq ($(strip $(COMPILE_MODE)),)
-  # default compile option
-  COMPILE_MODE = debug
-endif
-
-ifeq ($(COMPILE_MODE),debug)
-  CFLAGS = -g -O3
-else ifeq ($(COMPILE_MODE),release)
-  CFLAGS = -O3
-else ifeq ($(COMPILE_MODE),small)
-  CFLAGS = -Os
-endif
-
-ALL_CFLAGS = -Wall -Werror-implicit-function-declaration $(CFLAGS)
-ifeq ($(OS),Windows_NT)
-  MAKE_FLAGS = CC=$(CC) LL=$(LL) ALL_CFLAGS='$(ALL_CFLAGS)' LDFLAGS='$(LDFLAGS)'
-else
-  MAKE_FLAGS = CC='$(CC)' LL='$(LL)' ALL_CFLAGS='$(ALL_CFLAGS)' LDFLAGS='$(LDFLAGS)'
-endif
-
-# mruby compiler
-ifeq ($(OS),Windows_NT)
-MRBC = ../bin/mrbc.exe
-else
-MRBC = ../bin/mrbc
-endif
-
-
-##############################
-# generic build targets, rules
-
-.PHONY : all
-all : $(LIBR)
-
-# update libmruby.a
-$(LIBR) : $(MLIB) $(LIBR0)
-	$(CP) $(LIBR0) $(LIBR)
-	$(AR) r $(LIBR) $(MLIB)
-
-# Compile mrblib source
-$(MLIB) : $(CLIB)
-	$(CC) $(ALL_CFLAGS) -MMD $(INCLUDES) -c $(CLIB) -o $(MLIB)
-
-# Compile C source from merged mruby source
-$(CLIB) : $(RLIB) $(MRBC)
-	$(MRBC) -Bmrblib_irep -o$(DLIB) $(RLIB); $(CAT) init_$(TARGET).c $(DLIB) > $@
-
-$(MRBC) : $(LIBR0)
-	$(MAKE) -C ../tools/mrbc $(MAKE_FLAGS)
-
-# merge mruby sources
-$(RLIB) : $(MRBS)
-	$(CAT) $(MRBS) > $@
-
-# clean up
-.PHONY : clean
-clean :
-	@echo "make: removing targets, objects and depend files of `pwd`"
-	-$(RM_F) $(MRBC) $(MLIB) $(CLIB) $(RLIB) $(DLIB) $(DEPLIB) $(LIBR)
diff --git a/mrblib/mrblib.rake b/mrblib/mrblib.rake
new file mode 100644
index 000000000..5dab4cee9
--- /dev/null
+++ b/mrblib/mrblib.rake
@@ -0,0 +1,15 @@
+dir = File.dirname(__FILE__).sub(%r|^\./|, '')
+
+MRuby.each_target do
+  self.libmruby << "#{build_dir}/#{dir}/mrblib.o"
+
+  file "#{build_dir}/#{dir}/mrblib.o" => "#{build_dir}/#{dir}/mrblib.c"
+  file "#{build_dir}/#{dir}/mrblib.c" => [mrbcfile] + Dir.glob("#{dir}/*.rb") do |t|
+    mrbc, *rbfiles = t.prerequisites
+    FileUtils.mkdir_p File.dirname(t.name)
+    open(t.name, 'w') do |f|
+      f.puts File.read("#{dir}/init_mrblib.c")
+      compile_mruby f, rbfiles, 'mrblib_irep'
+    end
+  end
+end