245 lines
7.1 KiB
Plaintext
245 lines
7.1 KiB
Plaintext
dnl This is the newlib configure.in file.
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dnl Process this file with autoconf to produce a configure script.
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AC_PREREQ(2.13)
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AC_INIT(libc)
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AM_CONFIG_HEADER(newlib.h:newlib.hin)
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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
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dnl This option is actually read in libc/configure.in. It is repeated
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dnl here so that it shows up in the help text.
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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 ${enableval} for newlib-io-pos-args option) ;;
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esac], [newlib_io_pos_args=])dnl
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dnl Support --enable-newlib-io-long-long
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AC_ARG_ENABLE(newlib-io-long-long,
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[ --enable-newlib-io-long-long enable long long type support in IO functions like printf/scanf],
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[case "${enableval}" in
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yes) newlib_io_long_long=yes;;
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no) newlib_io_long_long=no ;;
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*) AC_MSG_ERROR(bad value ${enableval} for newlib-io-long-long option) ;;
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esac], [newlib_io_long_long=])dnl
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dnl Support --enable-newlib-io-long-double
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AC_ARG_ENABLE(newlib-io-long-double,
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[ --enable-newlib-io-long-double enable long double type support in IO functions printf/scanf],
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[case "${enableval}" in
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yes) newlib_io_long_double=yes;;
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no) newlib_io_long_double=no ;;
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*) AC_MSG_ERROR(bad value ${enableval} for newlib-io-long-double option) ;;
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esac], [newlib_io_long_double=])dnl
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NEWLIB_CONFIGURE(.)
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dnl We have to enable libtool after NEWLIB_CONFIGURE because if we try and
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dnl add it into NEWLIB_CONFIGURE, executable tests are made before the first
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dnl line of the macro which fail because appropriate LDFLAGS are not set.
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if test "${use_libtool}" = "yes"; then
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AC_LIBTOOL_WIN32_DLL
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AM_PROG_LIBTOOL
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AC_PROG_AWK
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fi
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configdirs="libc libm"
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AC_ARG_ENABLE(newlib_hw_fp,
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[ --enable-newlib-hw-fp Turn on hardware floating point math],
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[case "${enableval}" in
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yes) newlib_hw_fp=true ;;
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no) newlib_hw_fp=false ;;
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*) AC_MSG_ERROR(bad value ${enableval} for --enable-newlib-hw-fp) ;;
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esac],[newlib_hw_fp=false])
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AM_CONDITIONAL(NEWLIB_HW_FP, test x$newlib_hw_fp = xtrue)
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if test -z "${with_multisubdir}"; then
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configdirs="${configdirs} doc"
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have_doc=yes
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else
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have_doc=
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fi
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AM_CONDITIONAL(HAVE_DOC, test x$have_doc = xyes)
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EXTRA_DIRS=
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case $host in
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i[[34567]]86-pc-linux-*)
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configdirs="${configdirs} iconvdata"
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EXTRA_DIRS=iconvdata
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;;
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esac
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AC_SUBST(EXTRA_DIRS)
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# These get added in the top-level configure.in, except in the case where
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# newlib is being built natively.
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LIBC_INCLUDE_GREP=`echo ${CC} | grep \/libc\/include`
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abs_newlib_basedir=`cd ${newlib_basedir} && pwd`
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if test -z "${LIBC_INCLUDE_GREP}"; then
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CC_FOR_NEWLIB="${CC} -I$PWD/targ-include -I${abs_newlib_basedir}/libc/include"
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else
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CC_FOR_NEWLIB="${CC}"
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fi
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AC_SUBST(CC_FOR_NEWLIB)
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AC_CONFIG_SUBDIRS(${configdirs})
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CRT0=
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CRT0_DIR=
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if test -n "${sys_dir}"; then
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CRT0=crt0.o
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CRT0_DIR=libc/
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fi
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AC_SUBST(CRT0)
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AC_SUBST(CRT0_DIR)
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CRT1=${crt1}
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CRT1_DIR=
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if test -n "${crt1_dir}"; then
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CRT1_DIR=${crt1_dir}/
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fi
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AC_SUBST(CRT1)
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AC_SUBST(CRT1_DIR)
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if test -n "${libm_machine_dir}"; then
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LIBM_MACHINE_OBJECTLIST=libm/machine/${libm_machine_dir}/objectlist.awk.in
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fi
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AC_SUBST(LIBM_MACHINE_OBJECTLIST)
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if test -n "${machine_dir}"; then
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MACHINE_OBJECTLIST=libc/machine/${machine_dir}/objectlist.awk.in
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fi
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AC_SUBST(MACHINE_OBJECTLIST)
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if test -n "${sys_dir}"; then
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SYS_OBJECTLIST=libc/sys/${sys_dir}/objectlist.awk.in
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fi
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AC_SUBST(SYS_OBJECTLIST)
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if test "${have_sys_mach_dir}" = "yes"; then
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SYS_MACH_OBJECTLIST=libc/sys/${sys_dir}/machine/${machine_dir}/objectlist.awk.in
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fi
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AC_SUBST(SYS_MACH_OBJECTLIST)
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if test -n "${posix_dir}"; then
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POSIX_OBJECTLIST=libc/${posix_dir}/objectlist.awk.in
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fi
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AC_SUBST(POSIX_OBJECTLIST)
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if test -n "${signal_dir}"; then
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SIGNAL_OBJECTLIST=libc/${signal_dir}/objectlist.awk.in
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fi
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AC_SUBST(SIGNAL_OBJECTLIST)
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if test -n "${syscall_dir}"; then
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SYSCALL_OBJECTLIST=libc/${syscall_dir}/objectlist.awk.in
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fi
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AC_SUBST(SYSCALL_OBJECTLIST)
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if test -n "${unix_dir}"; then
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UNIX_OBJECTLIST=libc/${unix_dir}/objectlist.awk.in
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fi
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AC_SUBST(UNIX_OBJECTLIST)
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if test -n "${stdio64_dir}"; then
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STDIO64_OBJECTLIST=libc/${stdio64_dir}/objectlist.awk.in
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fi
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AC_SUBST(STDIO64_OBJECTLIST)
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# Put a plausible default for CC_FOR_BUILD in Makefile.
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if test -z "$CC_FOR_BUILD"; then
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CC_FOR_BUILD=gcc
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fi
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AC_SUBST(CC_FOR_BUILD)
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if test "${newlib_elix_level}" -gt "0"; then
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AC_DEFINE_UNQUOTED(_ELIX_LEVEL,${newlib_elix_level})
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fi
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if test "${newlib_io_long_long}" = "yes"; then
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AC_DEFINE_UNQUOTED(_WANT_IO_LONG_LONG)
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fi
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if test "${newlib_io_long_double}" = "yes"; then
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AC_DEFINE_UNQUOTED(_WANT_IO_LONG_DOUBLE)
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fi
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if test "${newlib_io_pos_args}" = "yes"; then
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AC_DEFINE_UNQUOTED(_WANT_IO_POS_ARGS)
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fi
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if test "${newlib_mb}" = "yes"; then
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AC_DEFINE_UNQUOTED(_MB_CAPABLE)
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AC_DEFINE_UNQUOTED(_MB_LEN_MAX,8)
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else
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AC_DEFINE_UNQUOTED(_MB_LEN_MAX,1)
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fi
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AC_DEFINE_UNQUOTED(_NEWLIB_VERSION,"$VERSION")
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if test "${multilib}" = "yes"; then
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multilib_arg="--enable-multilib"
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else
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multilib_arg=
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fi
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if test "${newlib_iconv}" = "yes"; then
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AC_DEFINE_UNQUOTED(_ICONV_ENABLED,1)
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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}/libc/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 ${srcdir}/libc/iconv/charset.aliases file for the list of available converters)
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fi
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converter1=`echo "${result}" | sed -e 's/\(^[[^ ]]*\).*$/\1/'`
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builtin_converters="${builtin_converters} ${converter1}"
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done
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dnl Enable appropriate option in newlib.h
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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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AC_DEFINE_UNQUOTED($opt,1)
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done
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fi;
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AC_OUTPUT(Makefile,
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[if test -n "$CONFIG_FILES"; then
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unset ac_file
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. ${newlib_basedir}/../config-ml.in
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fi],
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srcdir=${srcdir}
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host=${host}
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target=${target}
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with_multisubdir=${with_multisubdir}
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ac_configure_args="${multilib_arg} ${ac_configure_args}"
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CONFIG_SHELL=${CONFIG_SHELL-/bin/sh}
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newlib_basedir=${newlib_basedir}
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CC="${CC}"
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LDFLAGS="${LDFLAGS}"
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)
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