dnl This is the newlib configure.in file. dnl Process this file with autoconf to produce a configure script. AC_INIT([newlib],[NEWLIB_VERSION]) AC_CONFIG_SRCDIR([libc]) dnl Since we can't control what defines autoheader picks up (various autoconf dnl macros will add their own), filter out all the ones w/out a _ prefix. All dnl the ones we want to export use a _ prefix, and all the rest we don't want dnl to export as it'll pollute the namespace of newlib users. dnl NB: newlib.h must be the first AC_CONFIG_HEADERS call for autoheader. AC_CONFIG_HEADERS([newlib.h:newlib.hin], [sed -i.tmp -e '/^#define [^_]/d' -e '/^\/\* #undef [^_]/d' newlib.h && rm -f newlib.h.tmp]) AH_TOP([/* NB: The contents are filtered before being installed. */ #ifndef __NEWLIB_H__ #define __NEWLIB_H__ 1 /* Newlib version */ #include <_newlib_version.h>]) AH_BOTTOM([#endif /* !__NEWLIB_H__ */]) AC_CONFIG_HEADERS([_newlib_version.h:_newlib_version.hin]) dnl Can't be done in NEWLIB_CONFIGURE because that confuses automake. AC_CONFIG_AUX_DIR(..) dnl Support --enable-newlib-io-pos-args dnl This option is actually read in libc/configure.in. It is repeated dnl here so that it shows up in the help text. AC_ARG_ENABLE(newlib-io-pos-args, [ --enable-newlib-io-pos-args enable printf-family positional arg support], [case "${enableval}" in yes) newlib_io_pos_args=yes ;; no) newlib_io_pos_args=no ;; *) AC_MSG_ERROR(bad value ${enableval} for newlib-io-pos-args option) ;; esac], [newlib_io_pos_args=])dnl dnl Support --enable-newlib-io-c99-formats AC_ARG_ENABLE(newlib-io-c99-formats, [ --enable-newlib-io-c99-formats enable C99 support in IO functions like printf/scanf], [case "${enableval}" in yes) newlib_io_c99_formats=yes;; no) newlib_io_c99_formats=no ;; *) AC_MSG_ERROR(bad value ${enableval} for newlib-io-c99-formats option) ;; esac], [newlib_io_c99_formats=])dnl dnl Support --enable-newlib-register-fini AC_ARG_ENABLE(newlib-register-fini, [ --enable-newlib-register-fini enable finalization function registration using atexit], [case "${enableval}" in yes) newlib_register_fini=yes;; no) newlib_register_fini=no ;; *) AC_MSG_ERROR(bad value ${enableval} for newlib-register-fini option) ;; esac], [newlib_register_fini=])dnl dnl Support --enable-newlib-io-long-long AC_ARG_ENABLE(newlib-io-long-long, [ --enable-newlib-io-long-long enable long long type support in IO functions like printf/scanf], [case "${enableval}" in yes) newlib_io_long_long=yes;; no) newlib_io_long_long=no ;; *) AC_MSG_ERROR(bad value ${enableval} for newlib-io-long-long option) ;; esac], [newlib_io_long_long=])dnl dnl Support --enable-newlib-io-long-double AC_ARG_ENABLE(newlib-io-long-double, [ --enable-newlib-io-long-double enable long double type support in IO functions printf/scanf], [case "${enableval}" in yes) newlib_io_long_double=yes;; no) newlib_io_long_double=no ;; *) AC_MSG_ERROR(bad value ${enableval} for newlib-io-long-double option) ;; esac], [newlib_io_long_double=])dnl dnl If multibyte support is enabled, iconv should be enabled too dnl Support --enable-newlib-mb AC_ARG_ENABLE(newlib-mb, [ --enable-newlib-mb enable multibyte support], [case "${enableval}" in yes) newlib_mb=yes;; no) newlib_mb=no ;; *) AC_MSG_ERROR(bad value ${enableval} for newlib-mb option) ;; esac], [newlib_mb=])dnl dnl Enable verification of successful memory allocation for _REENT_CHECK family of macros dnl Support --disable-newlib-reent-check-verify AC_ARG_ENABLE(newlib-reent-check-verify, [ --disable-newlib-reent-check-verify disable checking of _REENT_CHECK memory allocation], [case "${enableval}" in yes) newlib_reent_check_verify=yes;; no) newlib_reent_check_verify=no ;; *) AC_MSG_ERROR(bad value ${enableval} for newlib-reent-check-verify option) ;; esac], [newlib_reent_check_verify=])dnl dnl Support --enable-newlib-iconv-encodings AC_ARG_ENABLE(newlib-iconv-encodings, [ --enable-newlib-iconv-encodings enable specific comma-separated list of bidirectional iconv encodings to be built-in], [if test x${enableval} = x; then AC_MSG_ERROR(bad value ${enableval} for newlib-iconv-encodings option - use comma-separated encodings list) fi iconv_encodings=${enableval} ], [iconv_encodings=])dnl dnl Support --enable-newlib-iconv-from-encodings AC_ARG_ENABLE(newlib-iconv-from-encodings, [ --enable-newlib-iconv-from-encodings enable specific comma-separated list of \"from\" iconv encodings to be built-in], [if test x${enableval} = x; then AC_MSG_ERROR(bad value ${enableval} for newlib-iconv-from-encodings option - use comma-separated encodings list) fi iconv_from_encodings=${enableval} ], [iconv_from_encodings=])dnl dnl Support --enable-newlib-iconv-to-encodings AC_ARG_ENABLE(newlib-iconv-to-encodings, [ --enable-newlib-iconv-to-encodings enable specific comma-separated list of \"to\" iconv encodings to be built-in], [if test x${enableval} = x; then AC_MSG_ERROR(bad value ${enableval} for newlib-iconv-to-encodings option - use comma-separated encodings list) fi iconv_to_encodings=${enableval} ], [iconv_to_encodings=])dnl dnl Support --enable-newlib-iconv-external-ccs AC_ARG_ENABLE(newlib-iconv-external-ccs, [ --enable-newlib-iconv-external-ccs enable capabilities to load external CCS files for iconv], [if test "${newlib_iconv_external_ccs+set}" != set; then case "${enableval}" in yes) newlib_iconv_external_ccs=yes ;; no) newlib_iconv_external_ccs=no ;; *) AC_MSG_ERROR(bad value ${enableval} for newlib-iconv-external-ccs option) ;; esac fi], [newlib_iconv_external_ccs=${newlib_iconv_external_ccs}])dnl dnl Support --disable-newlib-atexit-dynamic-alloc AC_ARG_ENABLE(newlib-atexit-dynamic-alloc, [ --disable-newlib-atexit-dynamic-alloc disable dynamic allocation of atexit entries], [if test "${newlib_atexit_dynamic_alloc+set}" != set; then case "${enableval}" in yes) newlib_atexit_dynamic_alloc=yes ;; no) newlib_atexit_dynamic_alloc=no ;; *) AC_MSG_ERROR(bad value ${enableval} for newlib-atexit-dynamic-alloc option) ;; esac fi], [newlib_atexit_dynamic_alloc=${newlib_atexit_dynamic_alloc}])dnl dnl Support --enable-newlib-global-atexit dnl Enable atexit data structure as global variables to save memory usage in dnl _reent. AC_ARG_ENABLE(newlib-global-atexit, [ --enable-newlib-global-atexit enable atexit data structure as global], [if test "${newlib_global_atexit+set}" != set; then case "${enableval}" in yes) newlib_global_atexit=yes ;; no) newlib_global_atexit=no ;; *) AC_MSG_ERROR(bad value ${enableval} for newlib-global-atexit option) ;; esac fi], [newlib_global_atexit=no])dnl dnl Support --enable-newlib-reent-small AC_ARG_ENABLE(newlib-reent-small, [ --enable-newlib-reent-small enable small reentrant struct support], [case "${enableval}" in yes) newlib_reent_small=yes;; no) newlib_reent_small=no ;; *) AC_MSG_ERROR(bad value ${enableval} for newlib-reent-small option) ;; esac], [newlib_reent_small=])dnl dnl Support --enable-newlib-global-stdio-streams AC_ARG_ENABLE(newlib-global-stdio-streams, [ --enable-newlib-global-stdio-streams enable global stdio streams], [case "${enableval}" in yes) newlib_global_stdio_streams=yes;; no) newlib_global_stdio_streams=no ;; *) AC_MSG_ERROR(bad value ${enableval} for newlib-global-stdio-streams option) ;; esac], [newlib_global_stdio_streams=])dnl dnl Support --disable-newlib-fvwrite-in-streamio AC_ARG_ENABLE(newlib-fvwrite-in-streamio, [ --disable-newlib-fvwrite-in-streamio disable iov in streamio], [if test "${newlib_fvwrite_in_streamio+set}" != set; then case "${enableval}" in yes) newlib_fvwrite_in_streamio=yes ;; no) newlib_fvwrite_in_streamio=no ;; *) AC_MSG_ERROR(bad value ${enableval} for newlib-fvwrite-in-streamio option) ;; esac fi], [newlib_fvwrite_in_streamio=yes])dnl dnl Support --disable-newlib-fseek-optimization AC_ARG_ENABLE(newlib-fseek-optimization, [ --disable-newlib-fseek-optimization disable fseek optimization], [if test "${newlib_fseek_optimization+set}" != set; then case "${enableval}" in yes) newlib_fseek_optimization=yes ;; no) newlib_fseek_optimization=no ;; *) AC_MSG_ERROR(bad value ${enableval} for newlib-fseek-optimization option) ;; esac fi], [newlib_fseek_optimization=yes])dnl dnl Support --enable-newlib-wide-orient dnl This option is also read in libc/configure.in. It is repeated dnl here so that it shows up in the help text. AC_ARG_ENABLE(newlib_wide_orient, [ --disable-newlib-wide-orient Turn off wide orientation in streamio], [case "${enableval}" in yes) newlib_wide_orient=yes ;; no) newlib_wide_orient=no ;; *) AC_MSG_ERROR(bad value ${enableval} for newlib-wide-orient) ;; esac],[newlib_wide_orient=yes]) dnl Support --enable-newlib-nano-malloc dnl This option is also read in libc/configure.in. It is repeated dnl here so that it shows up in the help text. AC_ARG_ENABLE(newlib-nano-malloc, [ --enable-newlib-nano-malloc use small-footprint nano-malloc implementation], [if test "${newlib_nano_malloc+set}" != set; then case "${enableval}" in yes) newlib_nano_malloc=yes ;; no) newlib_nano_malloc=no ;; *) AC_MSG_ERROR(bad value ${enableval} for newlib-nano-malloc option) ;; esac fi], [newlib_nano_malloc=])dnl dnl Support --disable-newlib-unbuf-stream-opt AC_ARG_ENABLE(newlib-unbuf-stream-opt, [ --disable-newlib-unbuf-stream-opt disable unbuffered stream optimization in streamio], [if test "${newlib_unbuf_stream_opt+set}" != set; then case "${enableval}" in yes) newlib_unbuf_stream_opt=yes ;; no) newlib_unbuf_stream_opt=no ;; *) AC_MSG_ERROR(bad value ${enableval} for newlib-unbuf-stream-opt option) ;; esac fi], [newlib_unbuf_stream_opt=yes])dnl dnl Support --enable-lite-exit dnl Lite exit is a size-reduced implementation of exit that doesn't invoke dnl clean-up functions such as _fini or global destructors. AC_ARG_ENABLE(lite-exit, [ --enable-lite-exit enable light weight exit], [if test "${lite_exit+set}" != set; then case "${enableval}" in yes) lite_exit=yes ;; no) lite_exit=no ;; *) AC_MSG_ERROR(bad value ${enableval} for lite-exit option) ;; esac fi], [lite_exit=no])dnl dnl Support --enable-newlib-nano-formatted-io dnl This option is also read in libc/configure.in. It is repeated dnl here so that it shows up in the help text. AC_ARG_ENABLE(newlib_nano_formatted_io, [ --enable-newlib-nano-formatted-io Use nano version formatted IO], [case "${enableval}" in yes) newlib_nano_formatted_io=yes ;; no) newlib_nano_formatted_io=no ;; *) AC_MSG_ERROR(bad value ${enableval} for newlib-nano-formatted-io) ;; esac],[newlib_nano_formatted_io=no]) dnl Support --enable-retargetable-locking dnl This option is also read in libc/configure.in. It is repeated dnl here so that it shows up in the help text. AC_ARG_ENABLE(newlib-retargetable-locking, [ --enable-newlib-retargetable-locking Allow locking routines to be retargeted at link time], [case "${enableval}" in yes) newlib_retargetable_locking=yes ;; no) newlib_retargetable_locking=no ;; *) AC_MSG_ERROR(bad value ${enableval} for newlib-retargetable-locking) ;; esac],[newlib_retargetable_locking=no]) dnl Support --enable-newlib-long-time_t AC_ARG_ENABLE(newlib-long-time_t, [ --enable-newlib-long-time_t define time_t to long], [if test "${newlib_long_time_t+set}" != set; then case "${enableval}" in yes) newlib_long_time_t=yes ;; no) newlib_long_time_t=no ;; *) AC_MSG_ERROR(bad value ${enableval} for newlib-long-time_t option) ;; esac fi], [newlib_long_time_t=no])dnl dnl Support --enable-newlib-use-gdtoa AC_ARG_ENABLE(newlib-use-gdtoa, [ --enable-newlib-use-gdtoa Use gdtoa rather than legacy ldtoa], [if test "${newlib_use_gdtoa+set}" != set; then case "${enableval}" in yes) newlib_use_gdtoa=yes ;; no) newlib_use_gdtoa=no ;; *) AC_MSG_ERROR(bad value ${enableval} for newlib-use-gdtoa option) ;; esac fi], [newlib_use_gdtoa=yes])dnl NEWLIB_CONFIGURE(.) dnl We have to enable libtool after NEWLIB_CONFIGURE because if we try and dnl add it into NEWLIB_CONFIGURE, executable tests are made before the first dnl line of the macro which fail because appropriate LDFLAGS are not set. _LT_DECL_SED _LT_PROG_ECHO_BACKSLASH if test "${use_libtool}" = "yes"; then LT_INIT([win32-dll]) fi dnl The following is being disabled because the mathfp library is dnl not up to standard due to inaccuracies caused by some of the dnl floating-point algorithms used. If you wish to work on this, dnl comment out the following line and uncomment out the lines dnl following it to re-enable the feature. newlib_hw_fp=false #AC_ARG_ENABLE(newlib_hw_fp, #[ --enable-newlib-hw-fp Turn on hardware floating point math], #[case "${enableval}" in # yes) newlib_hw_fp=true ;; # no) newlib_hw_fp=false ;; # *) AC_MSG_ERROR(bad value ${enableval} for --enable-newlib-hw-fp) ;; # esac],[newlib_hw_fp=false]) AM_CONDITIONAL(NEWLIB_HW_FP, test x$newlib_hw_fp = xtrue) # These get added in the top-level configure.in, except in the case where # newlib is being built natively. LIBC_INCLUDE_GREP=`echo ${CC} | grep \/libc\/include` abs_newlib_basedir=`cd ${newlib_basedir} && pwd` if test -z "${LIBC_INCLUDE_GREP}"; then CC_FOR_NEWLIB="${CC} -I$PWD/targ-include -I${abs_newlib_basedir}/libc/include" else CC_FOR_NEWLIB="${CC}" fi AC_SUBST(CC_FOR_NEWLIB) AC_CONFIG_SUBDIRS(libc) AC_CONFIG_SUBDIRS(libm) if test -z "${with_multisubdir}"; then have_multisubdir=no else have_multisubdir=yes fi AM_CONDITIONAL(HAVE_DOC, test x$have_multisubdir = xno) # Some run-time support libraries provided by GCC (e.g. libgomp) use configure # checks to detect certain features, e.g. availability of thread-local storage. # The configure script generates a test program and tries to compile and link # it. It should use target libraries and startfiles of the build tree if # available and not random ones from the installation prefix for this # procedure. The search directories specified by -B are a bit special, see # for_each_path() in gcc.c of the GCC sources. First a search is performed on # all search paths with the multilib directory appended (if desired), then a # second search is performed on demand with the base directory only. For each # multilib there is a "newlib" subdirectory. This directory is specified by a # -B option for the support libraries. In order to find the newlib artifacts # (ctr0.o, libc.a, libg.a and libm.a) they must be located in a proper multilib # subdirectory withing the build directory. AM_CONDITIONAL(HAVE_MULTISUBDIR, test x$have_multisubdir = xyes) EXTRA_DIRS= case $host in i[[34567]]86-pc-linux-*) AC_CONFIG_SUBDIRS(iconvdata) EXTRA_DIRS=iconvdata ;; esac AC_SUBST(EXTRA_DIRS) CRT0= CRT0_DIR= if test "x${have_crt0}" = "xyes"; then CRT0=crt0.o CRT0_DIR=libc/ fi AM_CONDITIONAL(HAVE_CRT0, test x$have_crt0 = xyes) AC_SUBST(CRT0) AC_SUBST(CRT0_DIR) CRT1=${crt1} CRT1_DIR= if test -n "${crt1_dir}"; then CRT1_DIR=${crt1_dir}/ fi AC_SUBST(CRT1) AC_SUBST(CRT1_DIR) if test -n "${libm_machine_dir}"; then LIBM_MACHINE_OBJECTLIST=libm/machine/${libm_machine_dir}/objectlist.awk.in fi AC_SUBST(LIBM_MACHINE_OBJECTLIST) if test -n "${machine_dir}"; then MACHINE_OBJECTLIST=libc/machine/${machine_dir}/objectlist.awk.in fi AC_SUBST(MACHINE_OBJECTLIST) if test -n "${sys_dir}"; then SYS_OBJECTLIST=libc/sys/${sys_dir}/objectlist.awk.in fi AC_SUBST(SYS_OBJECTLIST) if test "${have_sys_mach_dir}" = "yes"; then SYS_MACH_OBJECTLIST=libc/sys/${sys_dir}/machine/${machine_dir}/objectlist.awk.in fi AC_SUBST(SYS_MACH_OBJECTLIST) if test -n "${posix_dir}"; then POSIX_OBJECTLIST=libc/${posix_dir}/objectlist.awk.in fi AC_SUBST(POSIX_OBJECTLIST) if test -n "${signal_dir}"; then SIGNAL_OBJECTLIST=libc/${signal_dir}/objectlist.awk.in fi AC_SUBST(SIGNAL_OBJECTLIST) if test -n "${syscall_dir}"; then SYSCALL_OBJECTLIST=libc/${syscall_dir}/objectlist.awk.in fi AC_SUBST(SYSCALL_OBJECTLIST) if test -n "${unix_dir}"; then UNIX_OBJECTLIST=libc/${unix_dir}/objectlist.awk.in fi AC_SUBST(UNIX_OBJECTLIST) if test -n "${stdio64_dir}"; then STDIO64_OBJECTLIST=libc/${stdio64_dir}/objectlist.awk.in fi AC_SUBST(STDIO64_OBJECTLIST) # Put a plausible default for CC_FOR_BUILD in Makefile. if test -z "$CC_FOR_BUILD"; then if test "x$cross_compiling" = "xno"; then CC_FOR_BUILD='$(CC)' else CC_FOR_BUILD=gcc fi fi AC_SUBST(CC_FOR_BUILD) # Also set EXEEXT_FOR_BUILD. if test "x$cross_compiling" = "xno"; then EXEEXT_FOR_BUILD='$(EXEEXT)' else AC_CACHE_CHECK([for build system executable suffix], newlib_cv_build_exeext, [cat > ac_c_test.c << 'EOF' int main() { /* Nothing needed here */ } EOF ${CC_FOR_BUILD} -o ac_c_test am_c_test.c 1>&5 2>&5 newlib_cv_build_exeext=`echo ac_c_test.* | grep -v ac_c_test.c | sed -e s/ac_c_test//` rm -f ac_c_test* test x"${newlib_cv_build_exeext}" = x && newlib_cv_build_exeext=no]) EXEEXT_FOR_BUILD="" test x"${newlib_cv_build_exeext}" != xno && EXEEXT_FOR_BUILD=${newlib_cv_build_exeext} fi AC_SUBST(EXEEXT_FOR_BUILD) if test "${newlib_elix_level}" -gt "0"; then AC_DEFINE_UNQUOTED(_ELIX_LEVEL, ${newlib_elix_level}, [EL/IX level]) fi if test "${newlib_reent_check_verify}" = "yes"; then AC_DEFINE(_REENT_CHECK_VERIFY, 1, [Verify _REENT_CHECK macros allocate memory successfully.]) fi if test "${newlib_io_c99_formats}" = "yes"; then AC_DEFINE(_WANT_IO_C99_FORMATS, 1, [Enable C99 formats support (e.g. %a, %zu, ...) in IO functions like printf/scanf.]) fi if test "${newlib_register_fini}" = "yes"; then AC_DEFINE(_WANT_REGISTER_FINI, 1, [Register application finalization function using atexit.]) fi if test "${newlib_io_long_long}" = "yes"; then AC_DEFINE(_WANT_IO_LONG_LONG, 1, [Define to enable long long type support in IO functions like printf/scanf.]) fi if test "${newlib_io_long_double}" = "yes"; then AC_DEFINE(_WANT_IO_LONG_DOUBLE, 1, [Define to enable long double type support in IO functions like printf/scanf.]) fi if test "${newlib_io_pos_args}" = "yes"; then AC_DEFINE(_WANT_IO_POS_ARGS, 1, [Positional argument support in printf functions enabled.]) fi if test "${newlib_reent_small}" = "yes"; then AC_DEFINE(_WANT_REENT_SMALL, 1, [Optional reentrant struct support. Used mostly on platforms with very restricted storage.]) fi if test "${newlib_global_stdio_streams}" = "yes"; then AC_DEFINE(_WANT_REENT_GLOBAL_STDIO_STREAMS, 1, [Define to move the stdio stream FILE objects out of struct _reent and make them global. The stdio stream pointers of struct _reent are initialized to point to the global stdio FILE stream objects.]) fi _mb_len_max=1 if test "${newlib_mb}" = "yes"; then AC_DEFINE(_MB_CAPABLE, 1, [Multibyte supported.]) _mb_len_max=8 fi AC_DEFINE_UNQUOTED(_MB_LEN_MAX, $_mb_len_max, [Multibyte max length.]) dnl These are AC_SUBST instead of AC_DEFINE as they're hand maintained in a dnl dedicated _newlib_version.h, and we don't want them in newlib.h. AC_SUBST([NEWLIB_VERSION]) AC_SUBST([NEWLIB_MAJOR_VERSION]) AC_SUBST([NEWLIB_MINOR_VERSION]) AC_SUBST([NEWLIB_PATCHLEVEL_VERSION]) if test "${multilib}" = "yes"; then multilib_arg="--enable-multilib" else multilib_arg= fi if test "${newlib_iconv}" = "yes"; then AC_DEFINE(_ICONV_ENABLED, 1, [ICONV enabled.]) fi if test "x${newlib_iconv_external_ccs}" = "xyes"; then if test "x${newlib_iconv}" = "x"; then AC_MSG_ERROR(--enable-newlib-iconv-external-ccs option can't be used if iconv library is disabled, use --enable-newlib-iconv to enable it.) fi AC_DEFINE(_ICONV_ENABLE_EXTERNAL_CCS, 1, [Enable ICONV external CCS files loading capabilities.]) fi if test "${newlib_atexit_dynamic_alloc}" = "yes"; then AC_DEFINE(_ATEXIT_DYNAMIC_ALLOC, 1, [If atexit() may dynamically allocate space for cleanup functions.]) fi if test "${newlib_global_atexit}" = "yes"; then AC_DEFINE(_REENT_GLOBAL_ATEXIT, 1, [Define if declare atexit data as global.]) fi if test "${newlib_fvwrite_in_streamio}" = "yes"; then AC_DEFINE(_FVWRITE_IN_STREAMIO, 1, [Define if ivo supported in streamio.]) fi if test "${newlib_fseek_optimization}" = "yes"; then AC_DEFINE(_FSEEK_OPTIMIZATION, 1, [Define if fseek functions support seek optimization.]) fi if test "${newlib_wide_orient}" = "yes"; then AC_DEFINE(_WIDE_ORIENT, 1, [Define if wide char orientation is supported.]) fi if test "${newlib_nano_malloc}" = "yes"; then AC_DEFINE(_NANO_MALLOC, 1, [nano version of malloc is used.]) fi if test "${newlib_unbuf_stream_opt}" = "yes"; then AC_DEFINE(_UNBUF_STREAM_OPT, 1, [Define if unbuffered stream file optimization is supported.]) fi if test "${lite_exit}" = "yes"; then AC_DEFINE(_LITE_EXIT, 1, [Define if lite version of exit supported.]) fi if test "${newlib_nano_formatted_io}" = "yes"; then AC_DEFINE(_NANO_FORMATTED_IO, 1, [Define if small footprint nano-formatted-IO implementation used.]) fi if test "${newlib_retargetable_locking}" = "yes"; then AC_DEFINE(_RETARGETABLE_LOCKING, 1, [Define if using retargetable functions for default lock routines.]) fi if test "${newlib_long_time_t}" = "yes"; then AC_DEFINE(_WANT_USE_LONG_TIME_T, 1, [Define to use type long for time_t.]) fi if test "${newlib_use_gdtoa}" = "yes"; then AC_DEFINE(_WANT_USE_GDTOA, 1, [Define if using gdtoa rather than legacy ldtoa.]) fi dnl dnl Parse --enable-newlib-iconv-encodings option argument dnl if test "x${iconv_encodings}" != "x" \ || test "x${iconv_to_encodings}" != "x" \ || test "x${iconv_from_encodings}" != "x"; then if test "x${newlib_iconv}" = "x"; then AC_MSG_ERROR([--enable-newlib-iconv-encodings, --enable-newlib-iconv-from-encodings and --enable-newlib-iconv-to-encodings option can't be used if iconv library is disabled, use --enable-newlib-iconv to enable it.]) fi dnl Normalize encodings names and delete commas iconv_encodings=`echo "${iconv_encodings}" | sed -e 's/,/ /g' -e 's/-/_/g' -e 'y/ABCDEFGHIJKLMNOPQRSTUVWXYZ/abcdefghijklmnopqrstuvwxyz/'` iconv_to_encodings=`echo "${iconv_to_encodings}" | sed -e 's/,/ /g' -e 's/-/_/g' -e 'y/ABCDEFGHIJKLMNOPQRSTUVWXYZ/abcdefghijklmnopqrstuvwxyz/'` iconv_from_encodings=`echo "${iconv_from_encodings}" | sed -e 's/,/ /g' -e 's/-/_/g' -e 'y/ABCDEFGHIJKLMNOPQRSTUVWXYZ/abcdefghijklmnopqrstuvwxyz/'` dnl Get the list of available encodings excluding comments dnl Join line with previous if the first character is whitespace available_encodings=`cat "${srcdir}/libc/iconv/encoding.aliases" | sed -e '/^#.*/d'` dnl Check if required encodings are supported dnl Convert aliases to names dnl iconv_encodings iconv_encodings1="${iconv_encodings}" iconv_encodings="" for encoding in ${iconv_encodings1}; do result=`echo "${available_encodings}" | grep -e "\(^\| \)${encoding}\( \|\$\)"` if test $? != "0"; then AC_MSG_ERROR(${encoding} is not supported - see ${srcdir}/libc/iconv/encoding.aliases file for the list of available encodings) fi encoding1=`echo "${result}" | sed -e 's/\(^[[^ ]]*\).*$/\1/'` iconv_encodings="${iconv_encodings} ${encoding1}" done dnl Enable appropriate option in newlib.h for encoding in ${iconv_encodings}; do opt=_ICONV_TO_ENCODING_`echo "${encoding}" | sed -e 'y/abcdefghijklmnopqrstuvwxyz/ABCDEFGHIJKLMNOPQRSTUVWXYZ/'` eval "$opt=1" opt=_ICONV_FROM_ENCODING_`echo "${encoding}" | sed -e 'y/abcdefghijklmnopqrstuvwxyz/ABCDEFGHIJKLMNOPQRSTUVWXYZ/'` eval "$opt=1" done dnl iconv_to_encodings iconv_encodings1="${iconv_to_encodings}" iconv_to_encodings="" for encoding in ${iconv_encodings1}; do result=`echo "${available_encodings}" | grep -e "\(^\| \)${encoding}\( \|\$\)"` if test $? != "0"; then AC_MSG_ERROR(${encoding} is not supported - see ${srcdir}/libc/iconv/encoding.aliases file for the list of available encodings) fi encoding1=`echo "${result}" | sed -e 's/\(^[[^ ]]*\).*$/\1/'` iconv_to_encodings="${iconv_to_encodings} ${encoding1}" done dnl Enable appropriate option in newlib.h for encoding in ${iconv_to_encodings}; do opt=_ICONV_TO_ENCODING_`echo "${encoding}" | sed -e 'y/abcdefghijklmnopqrstuvwxyz/ABCDEFGHIJKLMNOPQRSTUVWXYZ/'` eval "$opt=1" done dnl iconv_from_encodings iconv_encodings1="${iconv_from_encodings}" iconv_from_encodings="" for encoding in ${iconv_encodings1}; do result=`echo "${available_encodings}" | grep -e "\(^\| \)${encoding}\( \|\$\)"` if test $? != "0"; then AC_MSG_ERROR(${encoding} is not supported - see ${srcdir}/libc/iconv/encoding.aliases file for the list of available encodings) fi encoding1=`echo "${result}" | sed -e 's/\(^[[^ ]]*\).*$/\1/'` iconv_from_encodings="${iconv_from_encodings} ${encoding1}" done dnl Enable appropriate option in newlib.h for encoding in ${iconv_from_encodings}; do opt=_ICONV_FROM_ENCODING_`echo "${encoding}" | sed -e 'y/abcdefghijklmnopqrstuvwxyz/ABCDEFGHIJKLMNOPQRSTUVWXYZ/'` eval "$opt=1" done fi; NEWLIB_ICONV_DEFINES AC_CACHE_CHECK(for .preinit_array/.init_array/.fini_array support, libc_cv_initfinit_array, [dnl cat > conftest.c <&AS_MESSAGE_LOG_FD]) then if ${READELF} -S conftest | grep -e INIT_ARRAY > /dev/null; then libc_cv_initfinit_array=yes else libc_cv_initfinit_array=no fi else libc_cv_initfinit_array=no fi rm -f conftest*]) AC_SUBST(libc_cv_initfinit_array) if test $libc_cv_initfinit_array = yes; then AC_DEFINE(_HAVE_INITFINI_ARRAY, 1, [Define if the linker supports .preinit_array/.init_array/.fini_array sections.]) fi AC_CACHE_CHECK(if $CC accepts -fno-tree-loop-distribute-patterns with \ __attribute__ ((__optimize__)), libc_cv_cc_loop_to_function, [dnl cat > conftest.c < conftest.c < #if DBL_MANT_DIG == LDBL_MANT_DIG && LDBL_MIN_EXP == DBL_MIN_EXP && \ LDBL_MAX_EXP == DBL_MAX_EXP #define _LDBL_EQ_DBL #else #error "LDBL != DBL" #endif EOF if AC_TRY_COMMAND([${CC} $CFLAGS $CPPFLAGS -c -o conftest.o conftest.c 1>&AS_MESSAGE_LOG_FD]) then newlib_cv_ldbl_eq_dbl=yes; else newlib_cv_ldbl_eq_dbl=no; fi rm -f conftest*]) if test $newlib_cv_ldbl_eq_dbl = yes; then AC_DEFINE(_LDBL_EQ_DBL, 1, [Define if the platform long double type is equal to double.]) fi AC_SUBST(CFLAGS) AC_CONFIG_FILES([Makefile], [if test -n "$CONFIG_FILES"; then unset ac_file . ${newlib_basedir}/../config-ml.in fi], srcdir=${srcdir} host=${host} with_multisubdir=${with_multisubdir} ac_configure_args="${multilib_arg} ${ac_configure_args}" CONFIG_SHELL=${CONFIG_SHELL-/bin/sh} newlib_basedir=${newlib_basedir} CC="${CC}" LDFLAGS="${LDFLAGS}" ) AC_OUTPUT