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dnl Process this file with autoconf to produce a configure script.
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dnl Process this file with autoconf to produce a configure script.
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AC_INIT(elf2flt.c)
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AC_INIT(elf2emcoreapp.c)
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AC_ARG_WITH(zlib-prefix,
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AC_ARG_WITH(zlib-prefix,
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	AS_HELP_STRING([--with-zlib-prefix=<dir>], [path to installed zlib]),
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	AS_HELP_STRING([--with-zlib-prefix=<dir>], [path to installed zlib]),
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	[ ac_zlib_prefix=$withval ],
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	[ ac_zlib_prefix=$withval ],
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	[ ac_zlib_prefix=NONE ]
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	[ ac_zlib_prefix=NONE ]
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	AS_HELP_STRING([--with-binutils-include-dir=<dir>], [include path for binutils headers]),
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	AS_HELP_STRING([--with-binutils-include-dir=<dir>], [include path for binutils headers]),
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	[ ac_binutils_include_dir=$withval ],
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	[ ac_binutils_include_dir=$withval ],
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	[ ac_binutils_include_dir=NONE ]
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	[ ac_binutils_include_dir=NONE ]
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)
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)
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AC_ARG_WITH(binutils-ldscript-dir,
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	AS_HELP_STRING([--with-binutils-ldscript-dir=<dir>], [path to install elf2flt.ld]),
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	[ ac_binutils_ldscript_dir=$withval ],
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	[ ac_binutils_ldscript_dir=NONE ]
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)
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AC_ARG_WITH(binutils-build-dir,
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AC_ARG_WITH(binutils-build-dir,
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	AS_HELP_STRING([--with-binutils-build-dir=<dir>], [path to compiled binutils tree]),
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	AS_HELP_STRING([--with-binutils-build-dir=<dir>], [path to compiled binutils tree]),
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	[ ac_binutils_build_dir=$withval ],
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	[ ac_binutils_build_dir=$withval ],
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	[ ac_binutils_build_dir=NONE ]
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	[ ac_binutils_build_dir=NONE ]
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)
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)
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AC_ARG_ENABLE(ld-elf2flt-binary,
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	AS_HELP_STRING([--disable-ld-elf2flt-binary], [use ld-elf2flt shell script]),
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	[ use_ld_elf2flt_binary=$enableval ],
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	[ use_ld_elf2flt_binary=yes ]
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)
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dnl convert a yes/no variable to 1/0 for C code
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dnl convert a yes/no variable to 1/0 for C code
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var_yn_to_10() {
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var_yn_to_10() {
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	if eval test \"\$$1\" = yes ; then
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	if eval test \"\$$1\" = yes ; then
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		eval $1=1
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		eval $1=1
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	else
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	else
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binutils_include_dir=
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binutils_include_dir=
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if test "$ac_binutils_include_dir" != "NONE"; then
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if test "$ac_binutils_include_dir" != "NONE"; then
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  binutils_include_dir="-I$ac_binutils_include_dir"
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  binutils_include_dir="-I$ac_binutils_include_dir"
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fi
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fi
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zlib_include_dir=
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if test "$ac_zlib_prefix" != "NONE"; then
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  zlib_include_dir="-I$ac_zlib_prefix/include"
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fi
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binutils_ldscript_dir=
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if test "$ac_binutils_ldscript_dir" = "NONE"; then
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  ac_binutils_ldscript_dir="\${TOOLDIR}/../${target_alias}/lib"
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fi
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binutils_ldscript_dir="$ac_binutils_ldscript_dir"
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if test "$ac_libbfd" = "NONE" -o "$ac_libiberty" = "NONE" ; then
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if test "$ac_libbfd" = "NONE" -o "$ac_libiberty" = "NONE" ; then
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	AC_MSG_ERROR([
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	AC_MSG_ERROR([
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You need to specify the location of the libfd.a and libiberty.a
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You need to specify the location of the libfd.a and libiberty.a
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host libraries from the binutils package.
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host libraries from the binutils package.
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if test "$ac_bfd_include_dir" = "NONE" ; then
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if test "$ac_bfd_include_dir" = "NONE" ; then
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	AC_MSG_ERROR([
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	AC_MSG_ERROR([
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You need to specify the location of the bfd.h header from a
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You need to specify the location of the bfd.h header from a
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configured/compiled version of the binutils package for your target.
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configured/compiled version of the binutils package for your target.
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Without this your elf2flt may crash as it will try to use the
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Without this your elf2emcoreapp may crash as it will try to use the
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systems bfd.h which may be from a different binutils package.
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systems bfd.h which may be from a different binutils package.
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Run configure again specifying these options:
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Run configure again specifying these options:
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  ./configure --target=<ARCH> --with-bfd-include-dir=<dir> --with-libbfd=<libbfd.a> --with-libiberty=<libiberty.a>
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  ./configure --target=<ARCH> --with-bfd-include-dir=<dir> --with-libbfd=<libbfd.a> --with-libiberty=<libiberty.a>
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AC_SUBST(emit_relocs)
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AC_SUBST(emit_relocs)
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AC_SUBST(emit_ctor_dtor)
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AC_SUBST(emit_ctor_dtor)
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AC_SUBST(always_reloc_text)
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AC_SUBST(always_reloc_text)
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AC_SUBST(SYMBOL_PREFIX)
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AC_SUBST(SYMBOL_PREFIX)
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AC_OUTPUT(ld-elf2flt.sh:ld-elf2flt.in Makefile elf2flt.ld)
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AC_OUTPUT(Makefile)
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