elf2flt: convert to the package infrastructure

[Peter: Correct legacy position]
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>

Config.in.legacy

@@ -68,6 +68,14 @@ config BR2_PACKAGE_DOSFSTOOLS_MKDOSFS
 	help
 	  mkdosfs was renamed upstream to mkfs.fat for consistency.
 
+config BR2_ELF2FLT
+	bool "the elf2flt option has been renamed"
+	select BR2_LEGACY
+	help
+	  The BR2_ELF2FLT option has been renamed to
+	  BR2_PACKAGE_HOST_ELF2FLT due to the conversion of elf2flt to
+	  the package infrastructure.
+
 ###############################################################################
 comment "Legacy options removed in 2013.05"
 

package/elf2flt/Config.in.host

@@ -1,4 +1,4 @@
-config BR2_ELF2FLT
+config BR2_PACKAGE_HOST_ELF2FLT
 	bool "Enable elf2flt support?"
 	depends on BR2_arm || BR2_sh || BR2_sparc
 	help

package/elf2flt/elf2flt.mk

@@ -0,0 +1,28 @@
+#############################################################
+#
+# elf2flt
+#
+#############################################################
+
+ELF2FLT_SOURCE =
+HOST_ELF2FLT_SOURCE =
+ELF2FLT_VERSION = cvs
+ELF2FLT_LICENSE = GPLv2+
+ELF2FLT_LICENSE_FILES = LICENSE.TXT
+
+HOST_ELF2FLT_DEPENDENCIES = host-binutils host-zlib
+
+# It is not exactly a host variant, but more a cross variant, which is
+# why we pass a special --target option.
+HOST_ELF2FLT_CONF_OPT = \
+	--with-bfd-include-dir=$(HOST_BINUTILS_DIR)/bfd/ \
+	--with-binutils-include-dir=$(HOST_BINUTILS_DIR)/include/ \
+	--with-libbfd=$(HOST_BINUTILS_DIR)/bfd/libbfd.a \
+	--with-libiberty=$(HOST_BINUTILS_DIR)/libiberty/libiberty.a \
+	--target=$(GNU_TARGET_NAME)
+
+define HOST_ELF2FLT_EXTRACT_CMDS
+	cp -r package/elf2flt/src/* $(@D)
+endef
+
+$(eval $(host-autotools-package))

toolchain/elf2flt/elf2flt.mk

@@ -1,46 +0,0 @@
-################################################################################
-#
-# elf2flt
-#
-################################################################################
-
-# we keep a local checkout of uClinux CVS
-ELF2FLT_SOURCE:=$(ELF2FLT_DIR)/elf2flt
-ELF2FLT_DIR:=$(TOOLCHAIN_DIR)/elf2flt
-ELF2FLT_BINARY:=elf2flt
-
-$(ELF2FLT_DIR)/.unpacked:
-	cp -r toolchain/elf2flt/elf2flt "$(TOOLCHAIN_DIR)/elf2flt"
-	touch $@
-
-$(ELF2FLT_DIR)/.patched: $(ELF2FLT_DIR)/.unpacked
-	$(call CONFIG_UPDATE,$(@D))
-	touch $@
-
-$(ELF2FLT_DIR)/.configured: $(ELF2FLT_DIR)/.patched
-	(cd $(ELF2FLT_DIR); rm -rf config.cache; \
-		LDFLAGS="$(HOST_LDFLAGS) -lz" \
-		$(ELF2FLT_DIR)/configure $(QUIET) \
-		--with-bfd-include-dir=$(HOST_BINUTILS_DIR)/bfd/ \
-		--with-binutils-include-dir=$(HOST_BINUTILS_DIR)/include/ \
-		--target=$(GNU_TARGET_NAME) \
-		--with-libbfd=$(HOST_BINUTILS_DIR)/bfd/libbfd.a \
-		--with-libiberty=$(HOST_BINUTILS_DIR)/libiberty/libiberty.a \
-		--prefix=$(HOST_DIR)/usr)
-	touch $@
-
-$(ELF2FLT_DIR)/$(ELF2FLT_BINARY): $(ELF2FLT_DIR)/.configured
-	$(MAKE) -C $(ELF2FLT_DIR) all
-	$(MAKE) -C $(ELF2FLT_DIR) install
-
-elf2flt: uclibc_target uclibc-configured binutils gcc host-zlib $(ELF2FLT_DIR)/$(ELF2FLT_BINARY)
-
-elf2flt-clean:
-	rm -rf $(ELF2FLT_SOURCE)
-
-elf2flt-dirclean:
-	rm -rf $(ELF2FLT_SOURCE)
-
-ifeq ($(BR2_ELF2FLT),y)
-TARGETS+=elf2flt
-endif

toolchain/toolchain-buildroot.mk

@@ -1,6 +1,5 @@
 # Include files required for the internal toolchain backend
 
-include toolchain/elf2flt/elf2flt.mk
 include toolchain/gcc/gcc-uclibc-4.x.mk
 include toolchain/kernel-headers/kernel-headers.mk
 include toolchain/uClibc/uclibc.mk

toolchain/toolchain-buildroot/Config.in.2

@@ -98,7 +98,7 @@ config BR2_PTHREAD_DEBUG
 	help
 	  Build the thread library with debugging enabled.
 
-source "toolchain/elf2flt/Config.in"
+source "package/elf2flt/Config.in.host"
 
 config BR2_VFP_FLOAT
 	bool "Use ARM Vector Floating Point unit"

toolchain/toolchain-crosstool-ng.mk

@@ -2,7 +2,6 @@
 
 # Explicit ordering:
 include toolchain/helpers.mk
-include toolchain/elf2flt/elf2flt.mk
 include toolchain/gcc/gcc-uclibc-4.x.mk
 include toolchain/toolchain-crosstool-ng/crosstool-ng.mk
 include toolchain/uClibc/uclibc.mk

toolchain/toolchain-external.mk

@@ -1,7 +1,6 @@
 # Required includes for the external toolchain backend
 
 include toolchain/helpers.mk
-include toolchain/elf2flt/elf2flt.mk
 include toolchain/gcc/gcc-uclibc-4.x.mk
 include toolchain/kernel-headers/kernel-headers.mk
 include toolchain/toolchain-external/ext-tool.mk