63 lines
2.5 KiB
Makefile
63 lines
2.5 KiB
Makefile
################################################################################
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#
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# elf2flt
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#
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################################################################################
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ELF2FLT_VERSION = 2021.08
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ELF2FLT_SITE = $(call github,uclinux-dev,elf2flt,v$(ELF2FLT_VERSION))
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ELF2FLT_LICENSE = GPL-2.0+
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ELF2FLT_LICENSE_FILES = LICENSE.TXT
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HOST_ELF2FLT_DEPENDENCIES = host-binutils host-zlib
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# 0001-elf2flt-handle-binutils-2.34.patch
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HOST_ELF2FLT_AUTORECONF = YES
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# elf2flt needs to link against libbfd.a and libiberty.a which are
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# provided by host-binutils, but not installed, so we poke directly
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# into the host-binutils build directory. Turns out that the location
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# of libbfd.a has changed in binutils >= 2.41, so we special case
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# binutils 2.39 and 2.40, which are the two remaining versions still
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# using the "old" path". Note: the ARC-special binutils version is not
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# considered because Buildroot only supports ARC CPUs with a MMU and
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# therefore host-elf2flt is never used on ARC. libiberty.a has
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# remained at the same location.
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ifeq ($(BR2_BINUTILS_VERSION_2_39_X)$(BR2_BINUTILS_VERSION_2_40_X),y)
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HOST_ELF2FLT_LIBBFD_PATH = $(HOST_BINUTILS_DIR)/bfd/libbfd.a
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else
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HOST_ELF2FLT_LIBBFD_PATH = $(HOST_BINUTILS_DIR)/bfd/.libs/libbfd.a
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endif
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# It is not exactly a host variant, but more a cross variant, which is
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# why we pass a special --target option.
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HOST_ELF2FLT_CONF_OPTS = \
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--with-bfd-include-dir=$(HOST_BINUTILS_DIR)/bfd/ \
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--with-binutils-include-dir=$(HOST_BINUTILS_DIR)/include/ \
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--with-libbfd=$(HOST_ELF2FLT_LIBBFD_PATH) \
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--with-libiberty=$(HOST_BINUTILS_DIR)/libiberty/libiberty.a \
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--target=$(GNU_TARGET_NAME) \
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--disable-werror
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HOST_ELF2FLT_LIBS = -lz -ldl
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HOST_ELF2FLT_CONF_ENV = LIBS="$(HOST_ELF2FLT_LIBS)"
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# Hardlinks between binaries in different directories cause a problem
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# with rpath fixup, so we de-hardlink those binaries, and replace them
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# with copies instead. Note that elf2flt will rename ld to ld.real
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# before installing its own ld, but we already took care of the
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# original ld from binutils so that it is already de-hardlinked. So
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# ld is now the one from elf2flt, and we want to de-hardlinke it.
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ELF2FLT_TOOLS = elf2flt flthdr ld
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define HOST_ELF2FLT_FIXUP_HARDLINKS
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$(foreach tool,$(ELF2FLT_TOOLS),\
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rm -f $(HOST_DIR)/$(GNU_TARGET_NAME)/bin/$(tool) && \
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cp -a $(HOST_DIR)/bin/$(GNU_TARGET_NAME)-$(tool) \
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$(HOST_DIR)/$(GNU_TARGET_NAME)/bin/$(tool)
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)
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endef
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HOST_ELF2FLT_POST_INSTALL_HOOKS += HOST_ELF2FLT_FIXUP_HARDLINKS
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$(eval $(host-autotools-package))
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