181 lines
5.8 KiB
Plaintext
181 lines
5.8 KiB
Plaintext
dnl This is the newlib/libc configure.in file.
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dnl Process this file with autoconf to produce a configure script.
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AC_PREREQ(2.5)
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AC_INIT(sys.tex)
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dnl Can't be done in NEWLIB_CONFIGURE because that confuses automake.
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AC_CONFIG_AUX_DIR(../..)
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dnl Support --enable-newlib-io-pos-args used by libc/stdio
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AC_ARG_ENABLE(newlib-io-pos-args,
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[ --enable-newlib-io-pos-args enable printf-family positional arg support],
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[case "${enableval}" in
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yes) newlib_io_pos_args=yes ;;
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no) newlib_io_pos_args=no ;;
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*) AC_MSG_ERROR(bad value ${enableval} for newlib-io-pos-args option) ;;
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esac], [newlib_io_pos_args=no])dnl
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NEWLIB_CONFIGURE(..)
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dnl We have to enable libtool after NEWLIB_CONFIGURE because if we try and
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dnl add it into NEWLIB_CONFIGURE, executable tests are made before the first
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dnl line of the macro which fail because appropriate LDFLAGS are not set.
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if test "${use_libtool}" = "yes"; then
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AC_LIBTOOL_WIN32_DLL
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AM_PROG_LIBTOOL
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fi
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AC_CONFIG_SUBDIRS(machine sys)
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CRT0=
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if test -n "${sys_dir}"; then
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CRT0=crt0.o
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fi
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AC_SUBST(CRT0)
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dnl For each directory which we may or may not want, we define a name
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dnl for the library and an automake conditional for whether we should
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dnl build the library.
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LIBC_POSIX_LIB=
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if test -n "${posix_dir}"; then
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if test "${use_libtool}" = "yes"; then
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LIBC_POSIX_LIB=${posix_dir}/lib${posix_dir}.${aext}
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else
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LIBC_POSIX_LIB=${posix_dir}/lib.${aext}
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fi
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fi
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AC_SUBST(LIBC_POSIX_LIB)
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AM_CONDITIONAL(HAVE_POSIX_DIR, test x${posix_dir} != x)
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LIBC_SIGNAL_LIB=
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LIBC_SIGNAL_DEF=
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if test -n "${signal_dir}"; then
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if test "${use_libtool}" = "yes"; then
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LIBC_SIGNAL_LIB=${signal_dir}/lib${signal_dir}.${aext}
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else
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LIBC_SIGNAL_LIB=${signal_dir}/lib.${aext}
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fi
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LIBC_SIGNAL_DEF=${signal_dir}/stmp-def
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fi
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AC_SUBST(LIBC_SIGNAL_LIB)
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AC_SUBST(LIBC_SIGNAL_DEF)
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AM_CONDITIONAL(HAVE_SIGNAL_DIR, test x${signal_dir} != x)
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LIBC_STDIO64_LIB=
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LIBC_STDIO64_DEF=
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if test -n "${stdio64_dir}"; then
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if test "${use_libtool}" = "yes"; then
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LIBC_STDIO64_LIB=${stdio64_dir}/lib${stdio64_dir}.${aext}
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else
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LIBC_STDIO64_LIB=${stdio64_dir}/lib.${aext}
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fi
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LIBC_STDIO64_DEF=${stdio64_dir}/stmp-def
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fi
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AC_SUBST(LIBC_STDIO64_LIB)
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AC_SUBST(LIBC_STDIO64_DEF)
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AM_CONDITIONAL(HAVE_STDIO64_DIR, test x${stdio64_dir} != x)
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LIBC_SYSCALL_LIB=
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if test -n "${syscall_dir}"; then
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if test "${use_libtool}" = "yes"; then
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LIBC_SYSCALL_LIB=${syscall_dir}/lib${syscall_dir}.${aext}
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else
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LIBC_SYSCALL_LIB=${syscall_dir}/lib.${aext}
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fi
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fi
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AC_SUBST(LIBC_SYSCALL_LIB)
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AM_CONDITIONAL(HAVE_SYSCALL_DIR, test x${syscall_dir} != x)
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LIBC_UNIX_LIB=
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if test -n "${unix_dir}"; then
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if test "${use_libtool}" = "yes"; then
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LIBC_UNIX_LIB=${unix_dir}/lib${unix_dir}.${aext}
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else
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LIBC_UNIX_LIB=${unix_dir}/lib.${aext}
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fi
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fi
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AC_SUBST(LIBC_UNIX_LIB)
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AM_CONDITIONAL(HAVE_UNIX_DIR, test x${unix_dir} != x)
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LIBC_EXTRA_LIB=
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LIBC_EXTRA_DEF=
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extra_dir=
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AC_SUBST(LIBC_EXTRA_LIB)
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AC_SUBST(LIBC_EXTRA_DEF)
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AC_SUBST(extra_dir)
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dnl We always recur into sys and machine, and let them decide what to
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dnl do. However, we do need to know whether they will produce a library.
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LIBC_SYS_LIB=
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if test -n "${sys_dir}"; then
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if test "${use_libtool}" = "yes"; then
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LIBC_SYS_LIB=sys/${sys_dir}/lib${sys_dir}.${aext}
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else
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LIBC_SYS_LIB=sys/lib.${aext}
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fi
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fi
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AC_SUBST(LIBC_SYS_LIB)
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AC_SUBST(sys_dir)
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dnl iconv library will be compiled if --enable-newlib-iconv option is enabled
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if test x${newlib_iconv} != x; then
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AM_CONDITIONAL(ENABLE_NEWLIB_ICONV, test 1 = 1)
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NEWLIB_CFLAGS="${NEWLIB_CFLAGS} -DENABLE_ICONV"
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fi;
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dnl Parse --enable-newlib-builtin-converters option argument
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if test "x${builtin_converters}" != "x"; then
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dnl Check that --enable-newlib-iconv was enabled
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if test x${newlib_iconv} = x; then
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AC_MSG_ERROR(--enable-newlib-builtin-converters option can't be used if iconv library is disabled - use --enable-newlib-iconv to enable it)
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fi
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dnl Normalize converter names and delete commas
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builtin_converters=`echo "${builtin_converters}" | sed -e 's/,/ /g' -e 's/-/_/g' -e 'y/ABCDEFGHIJKLMNOPQRSTUVWXYZ/abcdefghijklmnopqrstuvwxyz/'`
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dnl Get the list of available converters excluding comments
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dnl Join line with previous if the first character is whitespace
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available_converters=`cat "${srcdir}/iconv/charset.aliases" | sed -e '/#/d' | sed -e 'N; s/\n //;'`
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dnl Check if required converters are supported
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dnl Convert aliases to "official" names
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builtin_converters1="${builtin_converters}"
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builtin_converters=""
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for converter in ${builtin_converters1}; do
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result=`echo "${available_converters}" | grep -e "\(^\| \)${converter}\( \|\$\)"`
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if test $? != "0"; then
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AC_MSG_ERROR(${converter} is not supported - see ${srcdir}/iconv/charset.aliases file for the list of available converters)
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fi
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converter1=`echo "${result}" | sed -e 's/\(^[[^ ]]*\).*$/\1/'`
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builtin_converters="${builtin_converters} ${converter1}"
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done
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dnl Define appropriate -D options
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for converter in ${builtin_converters}; do
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opt=ICONV_CONVERTER_`echo "${converter}" | sed -e 'y/abcdefghijklmnopqrstuvwxyz/ABCDEFGHIJKLMNOPQRSTUVWXYZ/'`
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NEWLIB_ICONV_CFLAGS="${NEWLIB_ICONV_CFLAGS} -D${opt}"
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done
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else
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NEWLIB_ICONV_CFLAGS=
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fi;
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AC_SUBST(NEWLIB_ICONV_CFLAGS)
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if test -n "${machine_dir}"; then
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if test "${use_libtool}" = "yes"; then
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LIBC_MACHINE_LIB=machine/${machine_dir}/lib${machine_dir}.${aext}
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else
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LIBC_MACHINE_LIB=machine/lib.${aext}
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fi
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fi
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AC_SUBST(LIBC_MACHINE_LIB)
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AC_SUBST(machine_dir)
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AC_OUTPUT(Makefile argz/Makefile ctype/Makefile errno/Makefile locale/Makefile misc/Makefile reent/Makefile search/Makefile stdio/Makefile stdio64/Makefile stdlib/Makefile string/Makefile time/Makefile posix/Makefile signal/Makefile syscalls/Makefile unix/Makefile iconv/Makefile iconv/ces/Makefile iconv/ccs/Makefile iconv/ccs/binary/Makefile iconv/lib/Makefile)
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