From 920617998eebd7b3b5707b6d1f58078b9e41dbeb Mon Sep 17 00:00:00 2001 From: Mike Frysinger Date: Thu, 9 Sep 2021 16:49:49 -0400 Subject: libgloss/newlib: rename configure.in to configure.ac The .in name has been deprecated for a long time in favor of .ac. --- newlib/configure.ac | 712 ++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 712 insertions(+) create mode 100644 newlib/configure.ac (limited to 'newlib/configure.ac') diff --git a/newlib/configure.ac b/newlib/configure.ac new file mode 100644 index 000000000..67597bb48 --- /dev/null +++ b/newlib/configure.ac @@ -0,0 +1,712 @@ +dnl This is the newlib configure.in file. +dnl Process this file with autoconf to produce a configure script. + +AC_PREREQ(2.59) +AC_INIT([newlib],[NEWLIB_VERSION]) +AC_CONFIG_SRCDIR([libc]) +AC_CONFIG_HEADERS([_newlib_version.h:_newlib_version.hin newlib.h:newlib.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 ${enableval} for newlib-long-time_t option) ;; + esac + fi], [newlib_long_time_t=no])dnl + +NEWLIB_CONFIGURE(.) + +dnl We have to enable libtool after NEWLIB_CONFIGURE because if we try and +dnl add it into NEWLIB_CONFIGURE, executable tests are made before the first +dnl line of the macro which fail because appropriate LDFLAGS are not set. +_LT_DECL_SED +_LT_PROG_ECHO_BACKSLASH +AC_PROG_AWK +if test "${use_libtool}" = "yes"; then +AC_LIBTOOL_WIN32_DLL +AM_PROG_LIBTOOL +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 "${with_multisubdir}"; then + have_multisubdir=no + AC_CONFIG_SUBDIRS(doc) +else + have_multisubdir=yes +fi +AM_CONDITIONAL(HAVE_DOC, test x$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 + CC_FOR_BUILD=gcc +fi +AC_SUBST(CC_FOR_BUILD) + +if test "${newlib_elix_level}" -gt "0"; then +AC_DEFINE_UNQUOTED(_ELIX_LEVEL,${newlib_elix_level}) +fi + +if test "${newlib_reent_check_verify}" = "yes"; then +AC_DEFINE_UNQUOTED(_REENT_CHECK_VERIFY) +fi + +if test "${newlib_io_c99_formats}" = "yes"; then +AC_DEFINE_UNQUOTED(_WANT_IO_C99_FORMATS) +fi + +if test "${newlib_register_fini}" = "yes"; then +AC_DEFINE_UNQUOTED(_WANT_REGISTER_FINI) +fi + +if test "${newlib_io_long_long}" = "yes"; then +AC_DEFINE_UNQUOTED(_WANT_IO_LONG_LONG) +fi + +if test "${newlib_io_long_double}" = "yes"; then +AC_DEFINE_UNQUOTED(_WANT_IO_LONG_DOUBLE) +fi + +if test "${newlib_io_pos_args}" = "yes"; then +AC_DEFINE_UNQUOTED(_WANT_IO_POS_ARGS) +fi + +if test "${newlib_reent_small}" = "yes"; then +AC_DEFINE_UNQUOTED(_WANT_REENT_SMALL) +fi + +if test "${newlib_global_stdio_streams}" = "yes"; then +AC_DEFINE_UNQUOTED(_WANT_REENT_GLOBAL_STDIO_STREAMS) +fi + +if test "${newlib_mb}" = "yes"; then +AC_DEFINE_UNQUOTED(_MB_CAPABLE) +AC_DEFINE_UNQUOTED(_MB_LEN_MAX,8) +else +AC_DEFINE_UNQUOTED(_MB_LEN_MAX,1) +fi + +if test "${newlib_iconv_external_ccs}" = "yes"; then +AC_DEFINE_UNQUOTED(_ICONV_ENABLE_EXTERNAL_CCS) +fi + +AC_DEFINE(_NEWLIB_VERSION,"NEWLIB_VERSION","The newlib version in string format.") +AC_DEFINE(__NEWLIB__,NEWLIB_MAJOR_VERSION,"The newlib major version number.") +AC_DEFINE(__NEWLIB_MINOR__,NEWLIB_MINOR_VERSION,"The newlib minor version number.") +AC_DEFINE(__NEWLIB_PATCHLEVEL__,NEWLIB_PATCHLEVEL_VERSION,"The newlib patch level.") + +if test "${multilib}" = "yes"; then + multilib_arg="--enable-multilib" +else + multilib_arg= +fi + +if test "${newlib_iconv}" = "yes"; then +AC_DEFINE_UNQUOTED(_ICONV_ENABLED,1) +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_UNQUOTED(_ICONV_ENABLE_EXTERNAL_CCS,1) +fi + +if test "${newlib_atexit_dynamic_alloc}" = "yes"; then +AC_DEFINE_UNQUOTED(_ATEXIT_DYNAMIC_ALLOC) +fi + +if test "${newlib_global_atexit}" = "yes"; then +AC_DEFINE_UNQUOTED(_REENT_GLOBAL_ATEXIT) +fi + +if test "${newlib_fvwrite_in_streamio}" = "yes"; then +AC_DEFINE_UNQUOTED(_FVWRITE_IN_STREAMIO) +fi + +if test "${newlib_fseek_optimization}" = "yes"; then +AC_DEFINE_UNQUOTED(_FSEEK_OPTIMIZATION) +fi + +if test "${newlib_wide_orient}" = "yes"; then +AC_DEFINE_UNQUOTED(_WIDE_ORIENT) +fi + +if test "${newlib_nano_malloc}" = "yes"; then +AC_DEFINE_UNQUOTED(_NANO_MALLOC) +fi + +if test "${newlib_unbuf_stream_opt}" = "yes"; then +AC_DEFINE_UNQUOTED(_UNBUF_STREAM_OPT) +fi + +if test "${lite_exit}" = "yes"; then +AC_DEFINE_UNQUOTED(_LITE_EXIT) +fi + +if test "${newlib_nano_formatted_io}" = "yes"; then +AC_DEFINE_UNQUOTED(_NANO_FORMATTED_IO) +fi + +if test "${newlib_retargetable_locking}" = "yes"; then +AC_DEFINE_UNQUOTED(_RETARGETABLE_LOCKING) +fi + +if test "${newlib_long_time_t}" = "yes"; then +AC_DEFINE_UNQUOTED(_WANT_USE_LONG_TIME_T) +fi + +dnl +dnl Parse --enable-newlib-iconv-encodings option argument +dnl + +if test "x${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/'` + AC_DEFINE_UNQUOTED($opt,1) + opt=_ICONV_FROM_ENCODING_`echo "${encoding}" | sed -e 'y/abcdefghijklmnopqrstuvwxyz/ABCDEFGHIJKLMNOPQRSTUVWXYZ/'` + AC_DEFINE_UNQUOTED($opt,1) + done + + dnl iconv_to_encodings + iconv_encodings1="${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/'` + AC_DEFINE_UNQUOTED($opt,1) + done + + dnl iconv_from_encodings + iconv_encodings1="${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/'` + AC_DEFINE_UNQUOTED($opt,1) + done +fi; + +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_UNQUOTED(HAVE_INITFINI_ARRAY) +fi + +AC_CACHE_CHECK(if $CC accepts -fno-tree-loop-distribute-patterns with \ +__attribute__ ((__optimize__)), libc_cv_cc_loop_to_function, [dnl +cat > conftest.c < conftest.c < +#if defined(LDBL_MANT_DIG) + #define _HAVE_LONG_DOUBLE + #else + #error "LDBL != DBL" +#endif +long double test() { +long double ld = 0.0L; +return ld; +} +EOF +if AC_TRY_COMMAND([${CC} $CFLAGS $CPPFLAGS -c -o conftest.o conftest.c + 1>&AS_MESSAGE_LOG_FD]) +then + acnewlib_cv_type_long_double=yes; +else + acnewlib_cv_type_long_double=no; +fi +rm -f conftest*]) +if test $acnewlib_cv_type_long_double = yes; then + AC_DEFINE_UNQUOTED(_HAVE_LONG_DOUBLE) +fi +AM_CONDITIONAL(HAVE_LONG_DOUBLE, test x"$acnewlib_cv_type_long_double" = x"yes") + +AC_CACHE_CHECK(whether long double equals double, + newlib_cv_ldbl_eq_dbl, [dnl +cat > 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 $newlib_cv_ldbl_eq_dbl = yes; then + AC_DEFINE_UNQUOTED(_LDBL_EQ_DBL) +fi + +AC_SUBST(CFLAGS) + +AC_CONFIG_FILES([Makefile], +[if test -n "$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 -- cgit v1.2.3