Mercurial > hg > CbC > CbC_gcc
diff libgcc/configure @ 111:04ced10e8804
gcc 7
author | kono |
---|---|
date | Fri, 27 Oct 2017 22:46:09 +0900 |
parents | f6334be47118 |
children | 84e7813d76e9 |
line wrap: on
line diff
--- a/libgcc/configure Sun Aug 21 07:07:55 2011 +0900 +++ b/libgcc/configure Fri Oct 27 22:46:09 2017 +0900 @@ -168,7 +168,8 @@ as_suggested=" as_lineno_1=";as_suggested=$as_suggested$LINENO;as_suggested=$as_suggested" as_lineno_1a=\$LINENO as_lineno_2=";as_suggested=$as_suggested$LINENO;as_suggested=$as_suggested" as_lineno_2a=\$LINENO eval 'test \"x\$as_lineno_1'\$as_run'\" != \"x\$as_lineno_2'\$as_run'\" && - test \"x\`expr \$as_lineno_1'\$as_run' + 1\`\" = \"x\$as_lineno_2'\$as_run'\"' || exit 1" + test \"x\`expr \$as_lineno_1'\$as_run' + 1\`\" = \"x\$as_lineno_2'\$as_run'\"' || exit 1 +test \$(( 1 + 1 )) = 2 || exit 1" if (eval "$as_required") 2>/dev/null; then : as_have_required=yes else @@ -551,17 +552,34 @@ PACKAGE_URL='http://www.gnu.org/software/libgcc/' ac_unique_file="static-object.mk" +ac_includes_default='/* none */' ac_subst_vars='LTLIBOBJS LIBOBJS +md_unwind_header +unwind_header +enable_execute_stack asm_hidden_op extra_parts +cpu_type +get_gcc_base_ver +thread_header +tm_defines +tm_file tmake_file +sfp_machine_header set_use_emutls set_have_cc_tls vis_hide +real_host_noncanonical +accel_dir_suffix +force_explicit_eh_registry fixed_point enable_decimal_float decimal_float +EGREP +GREP +long_double_type_size +double_type_size CPP OBJEXT EXEEXT @@ -584,6 +602,13 @@ build_libsubdir target_noncanonical host_noncanonical +AWK +INSTALL_DATA +INSTALL_SCRIPT +INSTALL_PROGRAM +MAINT +slibdir +PICFLAG host_os host_vendor host_cpu @@ -592,12 +617,8 @@ build_vendor build_cpu build -AWK -INSTALL_DATA -INSTALL_SCRIPT -INSTALL_PROGRAM -MAINT -slibdir +with_aix_soname +enable_vtable_verify enable_shared libgcc_topdir target_alias @@ -645,12 +666,19 @@ with_cross_host with_ld enable_shared +enable_vtable_verify +with_aix_soname enable_version_specific_runtime_libs with_slibdir enable_maintainer_mode with_build_libsubdir +enable_largefile enable_decimal_float +with_system_libunwind +enable_explicit_exception_frame_registration +with_glibc_version enable_tls +with_gcc_major_version_only ' ac_precious_vars='build_alias host_alias @@ -1276,14 +1304,20 @@ --disable-FEATURE do not include FEATURE (same as --enable-FEATURE=no) --enable-FEATURE[=ARG] include FEATURE [ARG=yes] --disable-shared don't provide a shared libgcc + --enable-vtable-verify Enable vtable verification feature --enable-version-specific-runtime-libs Specify that runtime libraries should be installed in a compiler-specific directory --enable-maintainer-mode enable make rules and dependencies not useful (and sometimes confusing) to the casual installer + --disable-largefile omit support for large files --enable-decimal-float={no,yes,bid,dpd} enable decimal float extension to C. Selecting 'bid' or 'dpd' choses which decimal floating point format to use + --enable-explicit-exception-frame-registration + register exception tables explicitly at module + start, for use e.g. for compatibility with + installations without PT_GNU_EH_FRAME support --enable-tls Use thread-local storage [default=yes] Optional Packages: @@ -1292,8 +1326,16 @@ --with-target-subdir=SUBDIR Configuring in a subdirectory for target --with-cross-host=HOST Configuring with a cross compiler --with-ld arrange to use the specified ld (full pathname) + --with-aix-soname=aix|svr4|both + shared library versioning (aka "SONAME") variant to + provide on AIX --with-slibdir=DIR shared libraries in DIR LIBDIR --with-build-libsubdir=DIR Directory where to find libraries for build system + --with-system-libunwind use installed libunwind + --with-glibc-version=M.N + assume GCC used with glibc version M.N or later + --with-gcc-major-version-only + use only GCC major number in filesystem paths Some influential environment variables: CC C compiler command @@ -1461,6 +1503,255 @@ return $ac_retval } # ac_fn_c_try_cpp + +# ac_fn_c_try_run LINENO +# ---------------------- +# Try to link conftest.$ac_ext, and return whether this succeeded. Assumes +# that executables *can* be run. +ac_fn_c_try_run () +{ + as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack + if { { ac_try="$ac_link" +case "(($ac_try" in + *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;; + *) ac_try_echo=$ac_try;; +esac +eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\"" +$as_echo "$ac_try_echo"; } >&5 + (eval "$ac_link") 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; } && { ac_try='./conftest$ac_exeext' + { { case "(($ac_try" in + *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;; + *) ac_try_echo=$ac_try;; +esac +eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\"" +$as_echo "$ac_try_echo"; } >&5 + (eval "$ac_try") 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + ac_retval=0 +else + $as_echo "$as_me: program exited with status $ac_status" >&5 + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + ac_retval=$ac_status +fi + rm -rf conftest.dSYM conftest_ipa8_conftest.oo + eval $as_lineno_stack; test "x$as_lineno_stack" = x && { as_lineno=; unset as_lineno;} + return $ac_retval + +} # ac_fn_c_try_run + +# ac_fn_c_compute_int LINENO EXPR VAR INCLUDES +# -------------------------------------------- +# Tries to find the compile-time value of EXPR in a program that includes +# INCLUDES, setting VAR accordingly. Returns whether the value could be +# computed +ac_fn_c_compute_int () +{ + as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack + if test "$cross_compiling" = yes; then + # Depending upon the size, compute the lo and hi bounds. +cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +$4 +int +main () +{ +static int test_array [1 - 2 * !(($2) >= 0)]; +test_array [0] = 0 + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_compile "$LINENO"; then : + ac_lo=0 ac_mid=0 + while :; do + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +$4 +int +main () +{ +static int test_array [1 - 2 * !(($2) <= $ac_mid)]; +test_array [0] = 0 + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_compile "$LINENO"; then : + ac_hi=$ac_mid; break +else + as_fn_arith $ac_mid + 1 && ac_lo=$as_val + if test $ac_lo -le $ac_mid; then + ac_lo= ac_hi= + break + fi + as_fn_arith 2 '*' $ac_mid + 1 && ac_mid=$as_val +fi +rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext + done +else + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +$4 +int +main () +{ +static int test_array [1 - 2 * !(($2) < 0)]; +test_array [0] = 0 + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_compile "$LINENO"; then : + ac_hi=-1 ac_mid=-1 + while :; do + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +$4 +int +main () +{ +static int test_array [1 - 2 * !(($2) >= $ac_mid)]; +test_array [0] = 0 + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_compile "$LINENO"; then : + ac_lo=$ac_mid; break +else + as_fn_arith '(' $ac_mid ')' - 1 && ac_hi=$as_val + if test $ac_mid -le $ac_hi; then + ac_lo= ac_hi= + break + fi + as_fn_arith 2 '*' $ac_mid && ac_mid=$as_val +fi +rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext + done +else + ac_lo= ac_hi= +fi +rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext +fi +rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext +# Binary search between lo and hi bounds. +while test "x$ac_lo" != "x$ac_hi"; do + as_fn_arith '(' $ac_hi - $ac_lo ')' / 2 + $ac_lo && ac_mid=$as_val + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +$4 +int +main () +{ +static int test_array [1 - 2 * !(($2) <= $ac_mid)]; +test_array [0] = 0 + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_compile "$LINENO"; then : + ac_hi=$ac_mid +else + as_fn_arith '(' $ac_mid ')' + 1 && ac_lo=$as_val +fi +rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext +done +case $ac_lo in #(( +?*) eval "$3=\$ac_lo"; ac_retval=0 ;; +'') ac_retval=1 ;; +esac + else + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +$4 +static long int longval () { return $2; } +static unsigned long int ulongval () { return $2; } +#include <stdio.h> +#include <stdlib.h> +int +main () +{ + + FILE *f = fopen ("conftest.val", "w"); + if (! f) + return 1; + if (($2) < 0) + { + long int i = longval (); + if (i != ($2)) + return 1; + fprintf (f, "%ld", i); + } + else + { + unsigned long int i = ulongval (); + if (i != ($2)) + return 1; + fprintf (f, "%lu", i); + } + /* Do not output a trailing newline, as this causes \r\n confusion + on some platforms. */ + return ferror (f) || fclose (f) != 0; + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_run "$LINENO"; then : + echo >>conftest.val; read $3 <conftest.val; ac_retval=0 +else + ac_retval=1 +fi +rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \ + conftest.$ac_objext conftest.beam conftest.$ac_ext +rm -f conftest.val + + fi + eval $as_lineno_stack; test "x$as_lineno_stack" = x && { as_lineno=; unset as_lineno;} + return $ac_retval + +} # ac_fn_c_compute_int + +# ac_fn_c_check_header_preproc LINENO HEADER VAR +# ---------------------------------------------- +# Tests whether HEADER is present, setting the cache variable VAR accordingly. +ac_fn_c_check_header_preproc () +{ + as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack + { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $2" >&5 +$as_echo_n "checking for $2... " >&6; } +if { as_var=$3; eval "test \"\${$as_var+set}\" = set"; }; then : + $as_echo_n "(cached) " >&6 +else + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +#include <$2> +_ACEOF +if ac_fn_c_try_cpp "$LINENO"; then : + eval "$3=yes" +else + eval "$3=no" +fi +rm -f conftest.err conftest.$ac_ext +fi +eval ac_res=\$$3 + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5 +$as_echo "$ac_res" >&6; } + eval $as_lineno_stack; test "x$as_lineno_stack" = x && { as_lineno=; unset as_lineno;} + +} # ac_fn_c_check_header_preproc cat >config.log <<_ACEOF This file contains any messages produced by compilers while running configure, to aid debugging if configure makes a mistake. @@ -1817,6 +2108,9 @@ +# The libgcc should not depend on any header files + + # Check whether --with-target-subdir was given. if test "${with_target_subdir+set}" = set; then : @@ -1876,6 +2170,8 @@ ac_configure="$SHELL $ac_aux_dir/configure" # Please don't use this var. +ac_config_headers="$ac_config_headers auto-target.h:config.in" + # Check whether --enable-shared was given. if test "${enable_shared+set}" = set; then : @@ -1900,6 +2196,196 @@ +# Check whether --enable-vtable-verify was given. +if test "${enable_vtable_verify+set}" = set; then : + enableval=$enable_vtable_verify; case "$enableval" in + yes) enable_vtable_verify=yes ;; + no) enable_vtable_verify=no ;; + *) enable_vtable_verify=no;; + esac +else + enable_vtable_verify=no +fi + + + + +# Check whether --with-aix-soname was given. +if test "${with_aix_soname+set}" = set; then : + withval=$with_aix_soname; case "${host}:${enable_shared}" in + power*-*-aix[5-9]*:yes) + { $as_echo "$as_me:${as_lineno-$LINENO}: checking which variant of shared library versioning to provide for shared libgcc" >&5 +$as_echo_n "checking which variant of shared library versioning to provide for shared libgcc... " >&6; } + case ${withval} in + aix|svr4|both) ;; + *) as_fn_error "Unknown argument to --with-aix-soname" "$LINENO" 5;; + esac + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $withval" >&5 +$as_echo "$withval" >&6; } + ;; + *) with_aix_soname=aix ;; + esac + +else + with_aix_soname=aix +fi + + + +# Make sure we can run config.sub. +$SHELL "$ac_aux_dir/config.sub" sun4 >/dev/null 2>&1 || + as_fn_error "cannot run $SHELL $ac_aux_dir/config.sub" "$LINENO" 5 + +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking build system type" >&5 +$as_echo_n "checking build system type... " >&6; } +if test "${ac_cv_build+set}" = set; then : + $as_echo_n "(cached) " >&6 +else + ac_build_alias=$build_alias +test "x$ac_build_alias" = x && + ac_build_alias=`$SHELL "$ac_aux_dir/config.guess"` +test "x$ac_build_alias" = x && + as_fn_error "cannot guess build type; you must specify one" "$LINENO" 5 +ac_cv_build=`$SHELL "$ac_aux_dir/config.sub" $ac_build_alias` || + as_fn_error "$SHELL $ac_aux_dir/config.sub $ac_build_alias failed" "$LINENO" 5 + +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_build" >&5 +$as_echo "$ac_cv_build" >&6; } +case $ac_cv_build in +*-*-*) ;; +*) as_fn_error "invalid value of canonical build" "$LINENO" 5;; +esac +build=$ac_cv_build +ac_save_IFS=$IFS; IFS='-' +set x $ac_cv_build +shift +build_cpu=$1 +build_vendor=$2 +shift; shift +# Remember, the first character of IFS is used to create $*, +# except with old shells: +build_os=$* +IFS=$ac_save_IFS +case $build_os in *\ *) build_os=`echo "$build_os" | sed 's/ /-/g'`;; esac + + +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking host system type" >&5 +$as_echo_n "checking host system type... " >&6; } +if test "${ac_cv_host+set}" = set; then : + $as_echo_n "(cached) " >&6 +else + if test "x$host_alias" = x; then + ac_cv_host=$ac_cv_build +else + ac_cv_host=`$SHELL "$ac_aux_dir/config.sub" $host_alias` || + as_fn_error "$SHELL $ac_aux_dir/config.sub $host_alias failed" "$LINENO" 5 +fi + +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_host" >&5 +$as_echo "$ac_cv_host" >&6; } +case $ac_cv_host in +*-*-*) ;; +*) as_fn_error "invalid value of canonical host" "$LINENO" 5;; +esac +host=$ac_cv_host +ac_save_IFS=$IFS; IFS='-' +set x $ac_cv_host +shift +host_cpu=$1 +host_vendor=$2 +shift; shift +# Remember, the first character of IFS is used to create $*, +# except with old shells: +host_os=$* +IFS=$ac_save_IFS +case $host_os in *\ *) host_os=`echo "$host_os" | sed 's/ /-/g'`;; esac + + + + + + +case "${host}" in + # PIC is the default on some targets or must not be used. + *-*-darwin*) + # For darwin, common symbols are not allowed in MH_DYLIB files + case "${CFLAGS}" in + # If we are using a compiler supporting mdynamic-no-pic + # and the option has been tested as safe to add, then cancel + # it here, since the code generated is incompatible with shared + # libs. + *-mdynamic-no-pic*) PICFLAG='-fno-common -mno-dynamic-no-pic' ;; + *) PICFLAG=-fno-common ;; + esac + ;; + alpha*-dec-osf5*) + # PIC is the default. + ;; + hppa*64*-*-hpux*) + # PIC is the default for 64-bit PA HP-UX. + ;; + i[34567]86-*-cygwin* | x86_64-*-cygwin*) + ;; + i[34567]86-*-mingw* | x86_64-*-mingw*) + ;; + i[34567]86-*-interix[3-9]*) + # Interix 3.x gcc -fpic/-fPIC options generate broken code. + # Instead, we relocate shared libraries at runtime. + ;; + i[34567]86-*-nto-qnx*) + # QNX uses GNU C++, but need to define -shared option too, otherwise + # it will coredump. + PICFLAG='-fPIC -shared' + ;; + i[34567]86-pc-msdosdjgpp*) + # DJGPP does not support shared libraries at all. + ;; + ia64*-*-hpux*) + # On IA64 HP-UX, PIC is the default but the pic flag + # sets the default TLS model and affects inlining. + PICFLAG=-fPIC + ;; + mips-sgi-irix6*) + # PIC is the default. + ;; + rs6000-ibm-aix* | powerpc-ibm-aix*) + # All AIX code is PIC. + ;; + + # Some targets support both -fPIC and -fpic, but prefer the latter. + # FIXME: Why? + i[34567]86-*-* | x86_64-*-*) + PICFLAG=-fpic + ;; + # FIXME: Override -fPIC default in libgcc only? + sh-*-linux* | sh[2346lbe]*-*-linux*) + PICFLAG=-fpic + ;; + # FIXME: Simplify to sh*-*-netbsd*? + sh-*-netbsdelf* | shl*-*-netbsdelf* | sh5-*-netbsd* | sh5l*-*-netbsd* | \ + sh64-*-netbsd* | sh64l*-*-netbsd*) + PICFLAG=-fpic + ;; + # Default to -fPIC unless specified otherwise. + *) + PICFLAG=-fPIC + ;; +esac + +# If the user explicitly uses -fpic/-fPIC, keep that. +case "${CFLAGS}" in + *-fpic*) + PICFLAG=-fpic + ;; + *-fPIC*) + PICFLAG=-fPIC + ;; +esac + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking for --enable-version-specific-runtime-libs" >&5 $as_echo_n "checking for --enable-version-specific-runtime-libs... " >&6; } # Check whether --enable-version-specific-runtime-libs was given. @@ -2088,76 +2574,6 @@ "") as_fn_error "can't build without awk, bailing out" "$LINENO" 5 ;; esac -# Make sure we can run config.sub. -$SHELL "$ac_aux_dir/config.sub" sun4 >/dev/null 2>&1 || - as_fn_error "cannot run $SHELL $ac_aux_dir/config.sub" "$LINENO" 5 - -{ $as_echo "$as_me:${as_lineno-$LINENO}: checking build system type" >&5 -$as_echo_n "checking build system type... " >&6; } -if test "${ac_cv_build+set}" = set; then : - $as_echo_n "(cached) " >&6 -else - ac_build_alias=$build_alias -test "x$ac_build_alias" = x && - ac_build_alias=`$SHELL "$ac_aux_dir/config.guess"` -test "x$ac_build_alias" = x && - as_fn_error "cannot guess build type; you must specify one" "$LINENO" 5 -ac_cv_build=`$SHELL "$ac_aux_dir/config.sub" $ac_build_alias` || - as_fn_error "$SHELL $ac_aux_dir/config.sub $ac_build_alias failed" "$LINENO" 5 - -fi -{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_build" >&5 -$as_echo "$ac_cv_build" >&6; } -case $ac_cv_build in -*-*-*) ;; -*) as_fn_error "invalid value of canonical build" "$LINENO" 5;; -esac -build=$ac_cv_build -ac_save_IFS=$IFS; IFS='-' -set x $ac_cv_build -shift -build_cpu=$1 -build_vendor=$2 -shift; shift -# Remember, the first character of IFS is used to create $*, -# except with old shells: -build_os=$* -IFS=$ac_save_IFS -case $build_os in *\ *) build_os=`echo "$build_os" | sed 's/ /-/g'`;; esac - - -{ $as_echo "$as_me:${as_lineno-$LINENO}: checking host system type" >&5 -$as_echo_n "checking host system type... " >&6; } -if test "${ac_cv_host+set}" = set; then : - $as_echo_n "(cached) " >&6 -else - if test "x$host_alias" = x; then - ac_cv_host=$ac_cv_build -else - ac_cv_host=`$SHELL "$ac_aux_dir/config.sub" $host_alias` || - as_fn_error "$SHELL $ac_aux_dir/config.sub $host_alias failed" "$LINENO" 5 -fi - -fi -{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_host" >&5 -$as_echo "$ac_cv_host" >&6; } -case $ac_cv_host in -*-*-*) ;; -*) as_fn_error "invalid value of canonical host" "$LINENO" 5;; -esac -host=$ac_cv_host -ac_save_IFS=$IFS; IFS='-' -set x $ac_cv_host -shift -host_cpu=$1 -host_vendor=$2 -shift; shift -# Remember, the first character of IFS is used to create $*, -# except with old shells: -host_os=$* -IFS=$ac_save_IFS -case $host_os in *\ *) host_os=`echo "$host_os" | sed 's/ /-/g'`;; esac - case ${build_alias} in "") build_noncanonical=${build} ;; @@ -3646,8 +4062,540 @@ ac_c_preproc_warn_flag=yes + +# Check whether --enable-largefile was given. +if test "${enable_largefile+set}" = set; then : + enableval=$enable_largefile; +fi + +if test "$enable_largefile" != no; then + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking for special C compiler options needed for large files" >&5 +$as_echo_n "checking for special C compiler options needed for large files... " >&6; } +if test "${ac_cv_sys_largefile_CC+set}" = set; then : + $as_echo_n "(cached) " >&6 +else + ac_cv_sys_largefile_CC=no + if test "$GCC" != yes; then + ac_save_CC=$CC + while :; do + # IRIX 6.2 and later do not support large files by default, + # so use the C compiler's -n32 option if that helps. + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +#include <sys/types.h> + /* Check that off_t can represent 2**63 - 1 correctly. + We can't simply define LARGE_OFF_T to be 9223372036854775807, + since some C++ compilers masquerading as C compilers + incorrectly reject 9223372036854775807. */ +#define LARGE_OFF_T (((off_t) 1 << 62) - 1 + ((off_t) 1 << 62)) + int off_t_is_large[(LARGE_OFF_T % 2147483629 == 721 + && LARGE_OFF_T % 2147483647 == 1) + ? 1 : -1]; +int +main () +{ + + ; + return 0; +} +_ACEOF + if ac_fn_c_try_compile "$LINENO"; then : + break +fi +rm -f core conftest.err conftest.$ac_objext + CC="$CC -n32" + if ac_fn_c_try_compile "$LINENO"; then : + ac_cv_sys_largefile_CC=' -n32'; break +fi +rm -f core conftest.err conftest.$ac_objext + break + done + CC=$ac_save_CC + rm -f conftest.$ac_ext + fi +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_sys_largefile_CC" >&5 +$as_echo "$ac_cv_sys_largefile_CC" >&6; } + if test "$ac_cv_sys_largefile_CC" != no; then + CC=$CC$ac_cv_sys_largefile_CC + fi + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking for _FILE_OFFSET_BITS value needed for large files" >&5 +$as_echo_n "checking for _FILE_OFFSET_BITS value needed for large files... " >&6; } +if test "${ac_cv_sys_file_offset_bits+set}" = set; then : + $as_echo_n "(cached) " >&6 +else + while :; do + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +#include <sys/types.h> + /* Check that off_t can represent 2**63 - 1 correctly. + We can't simply define LARGE_OFF_T to be 9223372036854775807, + since some C++ compilers masquerading as C compilers + incorrectly reject 9223372036854775807. */ +#define LARGE_OFF_T (((off_t) 1 << 62) - 1 + ((off_t) 1 << 62)) + int off_t_is_large[(LARGE_OFF_T % 2147483629 == 721 + && LARGE_OFF_T % 2147483647 == 1) + ? 1 : -1]; +int +main () +{ + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_compile "$LINENO"; then : + ac_cv_sys_file_offset_bits=no; break +fi +rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +#define _FILE_OFFSET_BITS 64 +#include <sys/types.h> + /* Check that off_t can represent 2**63 - 1 correctly. + We can't simply define LARGE_OFF_T to be 9223372036854775807, + since some C++ compilers masquerading as C compilers + incorrectly reject 9223372036854775807. */ +#define LARGE_OFF_T (((off_t) 1 << 62) - 1 + ((off_t) 1 << 62)) + int off_t_is_large[(LARGE_OFF_T % 2147483629 == 721 + && LARGE_OFF_T % 2147483647 == 1) + ? 1 : -1]; +int +main () +{ + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_compile "$LINENO"; then : + ac_cv_sys_file_offset_bits=64; break +fi +rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext + ac_cv_sys_file_offset_bits=unknown + break +done +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_sys_file_offset_bits" >&5 +$as_echo "$ac_cv_sys_file_offset_bits" >&6; } +case $ac_cv_sys_file_offset_bits in #( + no | unknown) ;; + *) +cat >>confdefs.h <<_ACEOF +#define _FILE_OFFSET_BITS $ac_cv_sys_file_offset_bits +_ACEOF +;; +esac +rm -rf conftest* + if test $ac_cv_sys_file_offset_bits = unknown; then + { $as_echo "$as_me:${as_lineno-$LINENO}: checking for _LARGE_FILES value needed for large files" >&5 +$as_echo_n "checking for _LARGE_FILES value needed for large files... " >&6; } +if test "${ac_cv_sys_large_files+set}" = set; then : + $as_echo_n "(cached) " >&6 +else + while :; do + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +#include <sys/types.h> + /* Check that off_t can represent 2**63 - 1 correctly. + We can't simply define LARGE_OFF_T to be 9223372036854775807, + since some C++ compilers masquerading as C compilers + incorrectly reject 9223372036854775807. */ +#define LARGE_OFF_T (((off_t) 1 << 62) - 1 + ((off_t) 1 << 62)) + int off_t_is_large[(LARGE_OFF_T % 2147483629 == 721 + && LARGE_OFF_T % 2147483647 == 1) + ? 1 : -1]; +int +main () +{ + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_compile "$LINENO"; then : + ac_cv_sys_large_files=no; break +fi +rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +#define _LARGE_FILES 1 +#include <sys/types.h> + /* Check that off_t can represent 2**63 - 1 correctly. + We can't simply define LARGE_OFF_T to be 9223372036854775807, + since some C++ compilers masquerading as C compilers + incorrectly reject 9223372036854775807. */ +#define LARGE_OFF_T (((off_t) 1 << 62) - 1 + ((off_t) 1 << 62)) + int off_t_is_large[(LARGE_OFF_T % 2147483629 == 721 + && LARGE_OFF_T % 2147483647 == 1) + ? 1 : -1]; +int +main () +{ + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_compile "$LINENO"; then : + ac_cv_sys_large_files=1; break +fi +rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext + ac_cv_sys_large_files=unknown + break +done +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_sys_large_files" >&5 +$as_echo "$ac_cv_sys_large_files" >&6; } +case $ac_cv_sys_large_files in #( + no | unknown) ;; + *) +cat >>confdefs.h <<_ACEOF +#define _LARGE_FILES $ac_cv_sys_large_files +_ACEOF +;; +esac +rm -rf conftest* + fi +fi + + + +# The cast to long int works around a bug in the HP C Compiler +# version HP92453-01 B.11.11.23709.GP, which incorrectly rejects +# declarations like `int a3[[(sizeof (unsigned char)) >= 0]];'. +# This bug is HP SR number 8606223364. +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking size of double" >&5 +$as_echo_n "checking size of double... " >&6; } +if test "${ac_cv_sizeof_double+set}" = set; then : + $as_echo_n "(cached) " >&6 +else + if ac_fn_c_compute_int "$LINENO" "(long int) (sizeof (double))" "ac_cv_sizeof_double" "$ac_includes_default"; then : + +else + if test "$ac_cv_type_double" = yes; then + { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5 +$as_echo "$as_me: error: in \`$ac_pwd':" >&2;} +{ as_fn_set_status 77 +as_fn_error "cannot compute sizeof (double) +See \`config.log' for more details." "$LINENO" 5; }; } + else + ac_cv_sizeof_double=0 + fi +fi + +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_sizeof_double" >&5 +$as_echo "$ac_cv_sizeof_double" >&6; } + + + +cat >>confdefs.h <<_ACEOF +#define SIZEOF_DOUBLE $ac_cv_sizeof_double +_ACEOF + + +# The cast to long int works around a bug in the HP C Compiler +# version HP92453-01 B.11.11.23709.GP, which incorrectly rejects +# declarations like `int a3[[(sizeof (unsigned char)) >= 0]];'. +# This bug is HP SR number 8606223364. +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking size of long double" >&5 +$as_echo_n "checking size of long double... " >&6; } +if test "${ac_cv_sizeof_long_double+set}" = set; then : + $as_echo_n "(cached) " >&6 +else + if ac_fn_c_compute_int "$LINENO" "(long int) (sizeof (long double))" "ac_cv_sizeof_long_double" "$ac_includes_default"; then : + +else + if test "$ac_cv_type_long_double" = yes; then + { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5 +$as_echo "$as_me: error: in \`$ac_pwd':" >&2;} +{ as_fn_set_status 77 +as_fn_error "cannot compute sizeof (long double) +See \`config.log' for more details." "$LINENO" 5; }; } + else + ac_cv_sizeof_long_double=0 + fi +fi + +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_sizeof_long_double" >&5 +$as_echo "$ac_cv_sizeof_long_double" >&6; } + + + +cat >>confdefs.h <<_ACEOF +#define SIZEOF_LONG_DOUBLE $ac_cv_sizeof_long_double +_ACEOF + + +as_fn_arith $ac_cv_sizeof_double \* 8 && double_type_size=$as_val +as_fn_arith $ac_cv_sizeof_long_double \* 8 && long_double_type_size=$as_val + + + + +for ac_header in inttypes.h stdint.h stdlib.h ftw.h \ + unistd.h sys/stat.h sys/types.h \ + string.h strings.h memory.h +do : + as_ac_Header=`$as_echo "ac_cv_header_$ac_header" | $as_tr_sh` +ac_fn_c_check_header_preproc "$LINENO" "$ac_header" "$as_ac_Header" +eval as_val=\$$as_ac_Header + if test "x$as_val" = x""yes; then : + cat >>confdefs.h <<_ACEOF +#define `$as_echo "HAVE_$ac_header" | $as_tr_cpp` 1 +_ACEOF + +fi +done + +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for grep that handles long lines and -e" >&5 +$as_echo_n "checking for grep that handles long lines and -e... " >&6; } +if test "${ac_cv_path_GREP+set}" = set; then : + $as_echo_n "(cached) " >&6 +else + if test -z "$GREP"; then + ac_path_GREP_found=false + # Loop through the user's path and test for each of PROGNAME-LIST + as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH$PATH_SEPARATOR/usr/xpg4/bin +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_prog in grep ggrep; do + for ac_exec_ext in '' $ac_executable_extensions; do + ac_path_GREP="$as_dir/$ac_prog$ac_exec_ext" + { test -f "$ac_path_GREP" && $as_test_x "$ac_path_GREP"; } || continue +# Check for GNU ac_path_GREP and select it if it is found. + # Check for GNU $ac_path_GREP +case `"$ac_path_GREP" --version 2>&1` in +*GNU*) + ac_cv_path_GREP="$ac_path_GREP" ac_path_GREP_found=:;; +*) + ac_count=0 + $as_echo_n 0123456789 >"conftest.in" + while : + do + cat "conftest.in" "conftest.in" >"conftest.tmp" + mv "conftest.tmp" "conftest.in" + cp "conftest.in" "conftest.nl" + $as_echo 'GREP' >> "conftest.nl" + "$ac_path_GREP" -e 'GREP$' -e '-(cannot match)-' < "conftest.nl" >"conftest.out" 2>/dev/null || break + diff "conftest.out" "conftest.nl" >/dev/null 2>&1 || break + as_fn_arith $ac_count + 1 && ac_count=$as_val + if test $ac_count -gt ${ac_path_GREP_max-0}; then + # Best one so far, save it but keep looking for a better one + ac_cv_path_GREP="$ac_path_GREP" + ac_path_GREP_max=$ac_count + fi + # 10*(2^10) chars as input seems more than enough + test $ac_count -gt 10 && break + done + rm -f conftest.in conftest.tmp conftest.nl conftest.out;; +esac + + $ac_path_GREP_found && break 3 + done + done + done +IFS=$as_save_IFS + if test -z "$ac_cv_path_GREP"; then + as_fn_error "no acceptable grep could be found in $PATH$PATH_SEPARATOR/usr/xpg4/bin" "$LINENO" 5 + fi +else + ac_cv_path_GREP=$GREP +fi + +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_path_GREP" >&5 +$as_echo "$ac_cv_path_GREP" >&6; } + GREP="$ac_cv_path_GREP" + + +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for egrep" >&5 +$as_echo_n "checking for egrep... " >&6; } +if test "${ac_cv_path_EGREP+set}" = set; then : + $as_echo_n "(cached) " >&6 +else + if echo a | $GREP -E '(a|b)' >/dev/null 2>&1 + then ac_cv_path_EGREP="$GREP -E" + else + if test -z "$EGREP"; then + ac_path_EGREP_found=false + # Loop through the user's path and test for each of PROGNAME-LIST + as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH$PATH_SEPARATOR/usr/xpg4/bin +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_prog in egrep; do + for ac_exec_ext in '' $ac_executable_extensions; do + ac_path_EGREP="$as_dir/$ac_prog$ac_exec_ext" + { test -f "$ac_path_EGREP" && $as_test_x "$ac_path_EGREP"; } || continue +# Check for GNU ac_path_EGREP and select it if it is found. + # Check for GNU $ac_path_EGREP +case `"$ac_path_EGREP" --version 2>&1` in +*GNU*) + ac_cv_path_EGREP="$ac_path_EGREP" ac_path_EGREP_found=:;; +*) + ac_count=0 + $as_echo_n 0123456789 >"conftest.in" + while : + do + cat "conftest.in" "conftest.in" >"conftest.tmp" + mv "conftest.tmp" "conftest.in" + cp "conftest.in" "conftest.nl" + $as_echo 'EGREP' >> "conftest.nl" + "$ac_path_EGREP" 'EGREP$' < "conftest.nl" >"conftest.out" 2>/dev/null || break + diff "conftest.out" "conftest.nl" >/dev/null 2>&1 || break + as_fn_arith $ac_count + 1 && ac_count=$as_val + if test $ac_count -gt ${ac_path_EGREP_max-0}; then + # Best one so far, save it but keep looking for a better one + ac_cv_path_EGREP="$ac_path_EGREP" + ac_path_EGREP_max=$ac_count + fi + # 10*(2^10) chars as input seems more than enough + test $ac_count -gt 10 && break + done + rm -f conftest.in conftest.tmp conftest.nl conftest.out;; +esac + + $ac_path_EGREP_found && break 3 + done + done + done +IFS=$as_save_IFS + if test -z "$ac_cv_path_EGREP"; then + as_fn_error "no acceptable egrep could be found in $PATH$PATH_SEPARATOR/usr/xpg4/bin" "$LINENO" 5 + fi +else + ac_cv_path_EGREP=$EGREP +fi + + fi +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_path_EGREP" >&5 +$as_echo "$ac_cv_path_EGREP" >&6; } + EGREP="$ac_cv_path_EGREP" + + +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for ANSI C header files" >&5 +$as_echo_n "checking for ANSI C header files... " >&6; } +if test "${ac_cv_header_stdc+set}" = set; then : + $as_echo_n "(cached) " >&6 +else + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +#include <stdlib.h> +#include <stdarg.h> +#include <string.h> +#include <float.h> + +int +main () +{ + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_compile "$LINENO"; then : + ac_cv_header_stdc=yes +else + ac_cv_header_stdc=no +fi +rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext + +if test $ac_cv_header_stdc = yes; then + # SunOS 4.x string.h does not declare mem*, contrary to ANSI. + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +#include <string.h> + +_ACEOF +if (eval "$ac_cpp conftest.$ac_ext") 2>&5 | + $EGREP "memchr" >/dev/null 2>&1; then : + +else + ac_cv_header_stdc=no +fi +rm -f conftest* + +fi + +if test $ac_cv_header_stdc = yes; then + # ISC 2.0.2 stdlib.h does not declare free, contrary to ANSI. + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +#include <stdlib.h> + +_ACEOF +if (eval "$ac_cpp conftest.$ac_ext") 2>&5 | + $EGREP "free" >/dev/null 2>&1; then : + +else + ac_cv_header_stdc=no +fi +rm -f conftest* + +fi + +if test $ac_cv_header_stdc = yes; then + # /bin/cc in Irix-4.0.5 gets non-ANSI ctype macros unless using -ansi. + if test "$cross_compiling" = yes; then : + : +else + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +#include <ctype.h> +#include <stdlib.h> +#if ((' ' & 0x0FF) == 0x020) +# define ISLOWER(c) ('a' <= (c) && (c) <= 'z') +# define TOUPPER(c) (ISLOWER(c) ? 'A' + ((c) - 'a') : (c)) +#else +# define ISLOWER(c) \ + (('a' <= (c) && (c) <= 'i') \ + || ('j' <= (c) && (c) <= 'r') \ + || ('s' <= (c) && (c) <= 'z')) +# define TOUPPER(c) (ISLOWER(c) ? ((c) | 0x40) : (c)) +#endif + +#define XOR(e, f) (((e) && !(f)) || (!(e) && (f))) +int +main () +{ + int i; + for (i = 0; i < 256; i++) + if (XOR (islower (i), ISLOWER (i)) + || toupper (i) != TOUPPER (i)) + return 2; + return 0; +} +_ACEOF +if ac_fn_c_try_run "$LINENO"; then : + +else + ac_cv_header_stdc=no +fi +rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \ + conftest.$ac_objext conftest.beam conftest.$ac_ext +fi + +fi +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_header_stdc" >&5 +$as_echo "$ac_cv_header_stdc" >&6; } +if test $ac_cv_header_stdc = yes; then + +$as_echo "#define STDC_HEADERS 1" >>confdefs.h + +fi + + # Check for decimal float support. - { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether decimal floating point is supported" >&5 $as_echo_n "checking whether decimal floating point is supported... " >&6; } if test "${libgcc_cv_dfp+set}" = set; then : @@ -3655,7 +4603,20 @@ else cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ + +#include <fenv.h> + +int +main () +{ + _Decimal32 x; +int fe_except = + FE_INVALID|FE_DIVBYZERO|FE_OVERFLOW|FE_UNDERFLOW|FE_INEXACT; + + ; + return 0; +} _ACEOF if ac_fn_c_try_compile "$LINENO"; then : libgcc_cv_dfp=yes @@ -3683,8 +4644,9 @@ case $host in powerpc*-*-linux* | i?86*-*-linux* | x86_64*-*-linux* | s390*-*-linux* | \ + i?86*-*-elfiamcu | i?86*-*-gnu* | \ i?86*-*-mingw* | x86_64*-*-mingw* | \ - i?86*-*-cygwin*) + i?86*-*-cygwin* | x86_64*-*-cygwin*) enable_decimal_float=yes ;; *) @@ -3742,6 +4704,114 @@ fixed_point=$libgcc_cv_fixed_point +# For platforms with the unwind ABI which includes an unwind library, +# libunwind, we can choose to use the system libunwind. +# config.gcc also contains tests of with_system_libunwind. + + +# Check whether --with-system-libunwind was given. +if test "${with_system_libunwind+set}" = set; then : + withval=$with_system_libunwind; +fi + + # If system-libunwind was not specifically set, pick a default setting. + if test x$with_system_libunwind = x; then + case ${target} in + ia64-*-hpux*) with_system_libunwind=yes ;; + *) with_system_libunwind=no ;; + esac + fi + # Based on system-libunwind and target, do we have ipinfo? + if test x$with_system_libunwind = xyes; then + case ${target} in + ia64-*-*) have_unwind_getipinfo=no ;; + *) have_unwind_getipinfo=yes ;; + esac + else + # Darwin before version 9 does not have _Unwind_GetIPInfo. + + case ${target} in + *-*-darwin[3-8]|*-*-darwin[3-8].*) have_unwind_getipinfo=no ;; + *) have_unwind_getipinfo=yes ;; + esac + + fi + + if test x$have_unwind_getipinfo = xyes; then + +$as_echo "#define HAVE_GETIPINFO 1" >>confdefs.h + + fi + + +# Check if the compiler is configured for setjmp/longjmp exceptions. +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether the compiler is configured for setjmp/longjmp exceptions" >&5 +$as_echo_n "checking whether the compiler is configured for setjmp/longjmp exceptions... " >&6; } +if test "${ac_cv_sjlj_exceptions+set}" = set; then : + $as_echo_n "(cached) " >&6 +else + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +#ifdef __USING_SJLJ_EXCEPTIONS__ + this will fail + #endif +int +main () +{ +int i; + ; + return 0; +} +_ACEOF +if ac_fn_c_try_compile "$LINENO"; then : + ac_cv_sjlj_exceptions=no +else + ac_cv_sjlj_exceptions=yes +fi +rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_sjlj_exceptions" >&5 +$as_echo "$ac_cv_sjlj_exceptions" >&6; } + +# Check whether --enable-explicit-exception-frame-registration was given. +if test "${enable_explicit_exception_frame_registration+set}" = set; then : + enableval=$enable_explicit_exception_frame_registration; +force_explicit_eh_registry= +if test "$enable_explicit_exception_frame_registration" = yes; then + if test $ac_cv_sjlj_exceptions = yes; then + as_fn_error "Can't --enable-explicit-exception-frame-registration + with setjmp/longjmp exceptions" "$LINENO" 5 + fi + force_explicit_eh_registry=-DUSE_EH_FRAME_REGISTRY_ALWAYS +fi + +fi + + + +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking if the linker ($LD) is GNU ld" >&5 +$as_echo_n "checking if the linker ($LD) is GNU ld... " >&6; } +if test "${acl_cv_prog_gnu_ld+set}" = set; then : + $as_echo_n "(cached) " >&6 +else + # I'd rather use --version here, but apparently some GNU ld's only accept -v. +if $LD -v 2>&1 </dev/null | egrep '(GNU|with BFD)' 1>&5; then + acl_cv_prog_gnu_ld=yes +else + acl_cv_prog_gnu_ld=no +fi +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $acl_cv_prog_gnu_ld" >&5 +$as_echo "$acl_cv_prog_gnu_ld" >&6; } +with_gnu_ld=$acl_cv_prog_gnu_ld + + +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for thread model used by GCC" >&5 +$as_echo_n "checking for thread model used by GCC... " >&6; } +target_thread_file=`$CC -v 2>&1 | sed -n 's/^Thread model: //p'` +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $target_thread_file" >&5 +$as_echo "$target_thread_file" >&6; } + # Check for assembler CFI support. { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether assembler supports CFI directives" >&5 $as_echo_n "checking whether assembler supports CFI directives... " >&6; } @@ -3766,30 +4836,231 @@ { $as_echo "$as_me:${as_lineno-$LINENO}: result: $libgcc_cv_cfi" >&5 $as_echo "$libgcc_cv_cfi" >&6; } -# Check 32bit or 64bit for x86. -case ${host} in -i?86*-*-* | x86_64*-*-*) - cat > conftest.c <<EOF -#ifdef __x86_64__ +# Check 32bit or 64bit. In the case of MIPS, this really determines the +# word size rather than the address size. +cat > conftest.c <<EOF +#if defined(__x86_64__) || (!defined(__i386__) && defined(__LP64__)) \ + || defined(__mips64) host_address=64 #else host_address=32 #endif EOF - eval `${CC-cc} -E conftest.c | grep host_address=` - rm -f conftest.c - ;; +eval `${CC-cc} -E conftest.c | grep host_address=` +rm -f conftest.c + +case ${host} in +mips*-*-*) + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether the target is hard-float" >&5 +$as_echo_n "checking whether the target is hard-float... " >&6; } +if test "${libgcc_cv_mips_hard_float+set}" = set; then : + $as_echo_n "(cached) " >&6 +else + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +#ifndef __mips_hard_float + #error FOO + #endif +_ACEOF +if ac_fn_c_try_compile "$LINENO"; then : + libgcc_cv_mips_hard_float=yes +else + libgcc_cv_mips_hard_float=no +fi +rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libgcc_cv_mips_hard_float" >&5 +$as_echo "$libgcc_cv_mips_hard_float" >&6; } +esac + +case ${host} in +*-*-solaris2*) + # Check for system-provided CRTs on Solaris 11.x and Solaris 12. + { $as_echo "$as_me:${as_lineno-$LINENO}: checking system-provided CRTs on Solaris" >&5 +$as_echo_n "checking system-provided CRTs on Solaris... " >&6; } +if test "${libgcc_cv_solaris_crts+set}" = set; then : + $as_echo_n "(cached) " >&6 +else + libgcc_cv_solaris_crts=no + libgcc_sysroot="`${CC} -print-sysroot`" + libgcc_libdir="$libgcc_sysroot/usr/lib" + # At the time they were added, gcrt1.o became a symlink for backwards + # compatibility on x86, while crt1.o was added on sparc, so check for that. + case ${host} in + i?86-*-solaris2* | x86_64-*-solaris2*) + if test -h "$libgcc_libdir/gcrt1.o"; then libgcc_cv_solaris_crts=yes; fi + ;; + sparc*-*-solaris2*) + if test -f "$libgcc_libdir/crt1.o"; then libgcc_cv_solaris_crts=yes; fi + ;; + esac +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libgcc_cv_solaris_crts" >&5 +$as_echo "$libgcc_cv_solaris_crts" >&6; } + if test $libgcc_cv_solaris_crts = yes; then + +$as_echo "#define HAVE_SOLARIS_CRTS 1" >>confdefs.h + + fi + ;; +esac + +# Determine the version of glibc, if any, used on the target. +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for target glibc version" >&5 +$as_echo_n "checking for target glibc version... " >&6; } + +# Check whether --with-glibc-version was given. +if test "${with_glibc_version+set}" = set; then : + withval=$with_glibc_version; +if echo "$with_glibc_version" | grep '^[0-9][0-9]*\.[0-9][0-9]*$'; then + glibc_version_major=`echo "$with_glibc_version" | sed -e 's/\..*//'` + glibc_version_minor=`echo "$with_glibc_version" | sed -e 's/.*\.//'` +else + as_fn_error "option --with-glibc-version requires a version number M.N" "$LINENO" 5 +fi +else + +if ac_fn_c_compute_int "$LINENO" "__GLIBC__" "glibc_version_major" "#include <features.h>"; then : + +else + glibc_version_major=0 +fi + +if ac_fn_c_compute_int "$LINENO" "__GLIBC_MINOR__" "glibc_version_minor" "#include <features.h>"; then : + +else + glibc_version_minor=0 +fi + +fi + +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $glibc_version_major.$glibc_version_minor" >&5 +$as_echo "$glibc_version_major.$glibc_version_minor" >&6; } + +# Determine floating-point type for powerpc*-*-linux*. +# Single-precision-only FPRs are not a supported configuration for +# this target, so are not allowed for in this test. +case ${host} in +powerpc*-*-linux*) + cat > conftest.c <<EOF +#ifdef __powerpc64__ +ppc_fp_type=64 +#elif defined _SOFT_FLOAT +ppc_fp_type=soft +#elif defined _SOFT_DOUBLE +ppc_fp_type=e500v1 +#elif defined __NO_FPRS__ +ppc_fp_type=e500v2 +#else +ppc_fp_type=hard +#endif +EOF +eval `${CC-cc} -E conftest.c | grep ppc_fp_type=` +rm -f conftest.c +# glibc 2.19 and later provide all the soft-fp functions, with proper +# interactions with <fenv.h> exception and rounding mode handling, so +# make libgcc's versions into compat symbols if a recent enough glibc +# version is being used. +ppc_fp_compat= +case ${ppc_fp_type} in +soft|e500v1|e500v2) + if test $glibc_version_major -gt 2 \ + || ( test $glibc_version_major -eq 2 \ + && test $glibc_version_minor -ge 19 ); then + ppc_fp_compat="t-softfp-compat" + fi + ;; +esac +;; +esac + +case ${host} in +# At present, we cannot turn -mfloat128 on via #pragma GCC target, so just +# check if we have VSX (ISA 2.06) support to build the software libraries, and +# whether the assembler can handle xsaddqp for hardware support. Also check if +# a new glibc is being used so that __builtin_cpu_supports can be used. +powerpc*-*-linux*) + saved_CFLAGS="$CFLAGS" + CFLAGS="$CFLAGS -mabi=altivec -mvsx -mfloat128" + { $as_echo "$as_me:${as_lineno-$LINENO}: checking for PowerPC ISA 2.06 to build __float128 libraries" >&5 +$as_echo_n "checking for PowerPC ISA 2.06 to build __float128 libraries... " >&6; } +if test "${libgcc_cv_powerpc_float128+set}" = set; then : + $as_echo_n "(cached) " >&6 +else + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +vector double dadd (vector double a, vector double b) { return a + b; } +_ACEOF +if ac_fn_c_try_compile "$LINENO"; then : + libgcc_cv_powerpc_float128=yes +else + libgcc_cv_powerpc_float128=no +fi +rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libgcc_cv_powerpc_float128" >&5 +$as_echo "$libgcc_cv_powerpc_float128" >&6; } + + CFLAGS="$CFLAGS -mpower9-vector -mfloat128-hardware" + { $as_echo "$as_me:${as_lineno-$LINENO}: checking for PowerPC ISA 3.0 to build hardware __float128 libraries" >&5 +$as_echo_n "checking for PowerPC ISA 3.0 to build hardware __float128 libraries... " >&6; } +if test "${libgcc_cv_powerpc_float128_hw+set}" = set; then : + $as_echo_n "(cached) " >&6 +else + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +#include <sys/auxv.h> + #ifndef AT_PLATFORM + #error "AT_PLATFORM is not defined" + #endif + #ifndef __BUILTIN_CPU_SUPPORTS__ + #error "__builtin_cpu_supports is not available" + #endif + vector unsigned char add (vector unsigned char a, vector unsigned char b) + { + vector unsigned char ret; + __asm__ ("xsaddqp %0,%1,%2" : "=v" (ret) : "v" (a), "v" (b)); + return ret; + } + void *add_resolver (void) { return (void *) add; } + __float128 add_ifunc (__float128, __float128) + __attribute__ ((__ifunc__ ("add_resolver"))); +_ACEOF +if ac_fn_c_try_compile "$LINENO"; then : + libgcc_cv_powerpc_float128_hw=yes +else + libgcc_cv_powerpc_float128_hw=no +fi +rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libgcc_cv_powerpc_float128_hw" >&5 +$as_echo "$libgcc_cv_powerpc_float128_hw" >&6; } + CFLAGS="$saved_CFLAGS" esac # Collect host-machine-specific information. . ${srcdir}/config.host +# Used for constructing correct paths for offload compilers. +accel_dir_suffix= +real_host_noncanonical=${host_noncanonical} +if test x"$enable_as_accelerator_for" != x; then + accel_dir_suffix=/accel/${target_noncanonical} + real_host_noncanonical=${enable_as_accelerator_for} +fi + + + +if test x"$enable_offload_targets" != x; then + extra_parts="${extra_parts} crtoffloadbegin.o crtoffloadend.o crtoffloadtable.o" +fi + # Check if Solaris/x86 linker supports ZERO terminator unwind entries. # This is after config.host so we can augment tmake_file. # Link with -nostartfiles -nodefaultlibs since neither are present while # building libgcc. case ${host} in -i?86-*-solaris2*) +i?86-*-solaris2* | x86_64-*-solaris2.1[0-9]*) cat > conftest.s <<EOF .section .eh_frame,"a",@unwind .zero 4 @@ -3802,9 +5073,28 @@ ac_status=$? $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 test $ac_status = 0; }; }; then - # configure expects config files in libgcc/config, so need a relative - # path here. - tmake_file="${tmake_file} ../../gcc/config/i386/t-crtstuff" + tmake_file="${tmake_file} i386/t-crtstuff" + fi + ;; +esac + +# Check if xtensa target is configured for windowed ABI and thus needs to use +# custom unwind code. +# This is after config.host so we can augment tmake_file. +case ${host} in +xtensa*-*) + cat > conftest.c <<EOF + #ifdef __XTENSA_CALL0_ABI__ + #error + #endif +EOF + if { ac_try='${CC-cc} -E -o conftest.i conftest.c 1>&5' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then + tmake_file="${tmake_file} xtensa/t-windowed" fi ;; esac @@ -3843,7 +5133,7 @@ # See if we have thread-local storage. We can only test assembler -# sicne link-time and run-time tests require the newly built +# since link-time and run-time tests require the newly built # gcc, which can't be used to build executable due to that libgcc # is yet to be built here. @@ -3922,6 +5212,88 @@ fi + + +case "${target}" in +i[34567]86-*-* | x86_64-*-*) + { $as_echo "$as_me:${as_lineno-$LINENO}: checking if the assembler supports AVX" >&5 +$as_echo_n "checking if the assembler supports AVX... " >&6; } +if test "${libgcc_cv_as_avx+set}" = set; then : + $as_echo_n "(cached) " >&6 +else + + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +int +main () +{ +asm("vzeroupper"); + ; + return 0; +} +_ACEOF +if ac_fn_c_try_compile "$LINENO"; then : + libgcc_cv_as_avx=yes +else + libgcc_cv_as_avx=no +fi +rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext + +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libgcc_cv_as_avx" >&5 +$as_echo "$libgcc_cv_as_avx" >&6; } + if test x$libgcc_cv_as_avx = xyes; then + +$as_echo "#define HAVE_AS_AVX 1" >>confdefs.h + + fi + ;; +esac + +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for init priority support" >&5 +$as_echo_n "checking for init priority support... " >&6; } +if test "${libgcc_cv_init_priority+set}" = set; then : + $as_echo_n "(cached) " >&6 +else + +cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +int +main () +{ +void ip (void) __attribute__ ((constructor (1))); + ; + return 0; +} +_ACEOF +if ac_fn_c_try_compile "$LINENO"; then : + libgcc_cv_init_priority=yes +else + libgcc_cv_init_priority=no +fi +rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libgcc_cv_init_priority" >&5 +$as_echo "$libgcc_cv_init_priority" >&6; } +if test $libgcc_cv_init_priority = yes; then + +$as_echo "#define HAVE_INIT_PRIORITY 1" >>confdefs.h + +fi + +# Conditionalize the sfp-machine.h header for this target machine. +if test -z "${sfp_machine_header}"; then + sfp_machine_header=$cpu_type/sfp-machine.h + if test -f ${srcdir}/config/${sfp_machine_header}; then + : + else + sfp_machine_header=no-sfp-machine.h + fi +fi + + # Conditionalize the makefile for this target machine. tmake_file_= for f in ${tmake_file} @@ -3934,10 +5306,58 @@ tmake_file="${tmake_file_}" +# Likewise export definitions for libgcc_tm.h +tm_file_= +for f in ${tm_file} +do + tm_file_="${tm_file_} \$(srcdir)/config/$f" +done +tm_file="${tm_file_}" + + + +# Map from thread model to thread header. + +case $target_thread_file in + aix) thread_header=config/rs6000/gthr-aix.h ;; + dce) thread_header=config/pa/gthr-dce.h ;; + lynx) thread_header=config/gthr-lynx.h ;; + mipssde) thread_header=config/mips/gthr-mipssde.h ;; + posix) thread_header=gthr-posix.h ;; + rtems) thread_header=config/gthr-rtems.h ;; + single) thread_header=gthr-single.h ;; + tpf) thread_header=config/s390/gthr-tpf.h ;; + vxworks) thread_header=config/gthr-vxworks.h ;; + win32) thread_header=config/i386/gthr-win32.h ;; +esac + + + +# Determine what GCC version number to use in filesystem paths. + + get_gcc_base_ver="cat" + +# Check whether --with-gcc-major-version-only was given. +if test "${with_gcc_major_version_only+set}" = set; then : + withval=$with_gcc_major_version_only; if test x$with_gcc_major_version_only = xyes ; then + get_gcc_base_ver="sed -e 's/^\([0-9]*\).*\$\$/\1/'" + fi + +fi + + + + # Substitute configuration variables + + + + + + # We need multilib support. ac_config_files="$ac_config_files Makefile" @@ -4022,43 +5442,7 @@ # Let make expand exec_prefix. test "x$exec_prefix" = xNONE && exec_prefix='${prefix}' -# Transform confdefs.h into DEFS. -# Protect against shell expansion while executing Makefile rules. -# Protect against Makefile macro expansion. -# -# If the first sed substitution is executed (which looks for macros that -# take arguments), then branch to the quote section. Otherwise, -# look for a macro that doesn't take arguments. -ac_script=' -:mline -/\\$/{ - N - s,\\\n,, - b mline -} -t clear -:clear -s/^[ ]*#[ ]*define[ ][ ]*\([^ (][^ (]*([^)]*)\)[ ]*\(.*\)/-D\1=\2/g -t quote -s/^[ ]*#[ ]*define[ ][ ]*\([^ ][^ ]*\)[ ]*\(.*\)/-D\1=\2/g -t quote -b any -:quote -s/[ `~#$^&*(){}\\|;'\''"<>?]/\\&/g -s/\[/\\&/g -s/\]/\\&/g -s/\$/$$/g -H -:any -${ - g - s/^\n// - s/\n/ /g - p -} -' -DEFS=`sed -n "$ac_script" confdefs.h` - +DEFS=-DHAVE_CONFIG_H ac_libobjs= ac_ltlibobjs= @@ -4502,11 +5886,15 @@ "*) set x $ac_config_files; shift; ac_config_files=$*;; esac +case $ac_config_headers in *" +"*) set x $ac_config_headers; shift; ac_config_headers=$*;; +esac cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1 # Files that config.status was made for. config_files="$ac_config_files" +config_headers="$ac_config_headers" config_commands="$ac_config_commands" _ACEOF @@ -4527,10 +5915,15 @@ --recheck update $as_me by reconfiguring in the same conditions --file=FILE[:TEMPLATE] instantiate the configuration file FILE + --header=FILE[:TEMPLATE] + instantiate the configuration header FILE Configuration files: $config_files +Configuration headers: +$config_headers + Configuration commands: $config_commands @@ -4589,7 +5982,18 @@ esac as_fn_append CONFIG_FILES " '$ac_optarg'" ac_need_defaults=false;; - --he | --h | --help | --hel | -h ) + --header | --heade | --head | --hea ) + $ac_shift + case $ac_optarg in + *\'*) ac_optarg=`$as_echo "$ac_optarg" | sed "s/'/'\\\\\\\\''/g"` ;; + esac + as_fn_append CONFIG_HEADERS " '$ac_optarg'" + ac_need_defaults=false;; + --he | --h) + # Conflict between --help and --header + as_fn_error "ambiguous option: \`$1' +Try \`$0 --help' for more information.";; + --help | --hel | -h ) $as_echo "$ac_cs_usage"; exit ;; -q | -quiet | --quiet | --quie | --qui | --qu | --q \ | -silent | --silent | --silen | --sile | --sil | --si | --s) @@ -4658,6 +6062,7 @@ for ac_config_target in $ac_config_targets do case $ac_config_target in + "auto-target.h") CONFIG_HEADERS="$CONFIG_HEADERS auto-target.h:config.in" ;; "Makefile") CONFIG_FILES="$CONFIG_FILES Makefile" ;; "default") CONFIG_COMMANDS="$CONFIG_COMMANDS default" ;; @@ -4672,6 +6077,7 @@ # bizarre bug on SunOS 4.1.3. if $ac_need_defaults; then test "${CONFIG_FILES+set}" = set || CONFIG_FILES=$config_files + test "${CONFIG_HEADERS+set}" = set || CONFIG_HEADERS=$config_headers test "${CONFIG_COMMANDS+set}" = set || CONFIG_COMMANDS=$config_commands fi @@ -4850,8 +6256,116 @@ cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1 fi # test -n "$CONFIG_FILES" - -eval set X " :F $CONFIG_FILES :C $CONFIG_COMMANDS" +# Set up the scripts for CONFIG_HEADERS section. +# No need to generate them if there are no CONFIG_HEADERS. +# This happens for instance with `./config.status Makefile'. +if test -n "$CONFIG_HEADERS"; then +cat >"$tmp/defines.awk" <<\_ACAWK || +BEGIN { +_ACEOF + +# Transform confdefs.h into an awk script `defines.awk', embedded as +# here-document in config.status, that substitutes the proper values into +# config.h.in to produce config.h. + +# Create a delimiter string that does not exist in confdefs.h, to ease +# handling of long lines. +ac_delim='%!_!# ' +for ac_last_try in false false :; do + ac_t=`sed -n "/$ac_delim/p" confdefs.h` + if test -z "$ac_t"; then + break + elif $ac_last_try; then + as_fn_error "could not make $CONFIG_HEADERS" "$LINENO" 5 + else + ac_delim="$ac_delim!$ac_delim _$ac_delim!! " + fi +done + +# For the awk script, D is an array of macro values keyed by name, +# likewise P contains macro parameters if any. Preserve backslash +# newline sequences. + +ac_word_re=[_$as_cr_Letters][_$as_cr_alnum]* +sed -n ' +s/.\{148\}/&'"$ac_delim"'/g +t rset +:rset +s/^[ ]*#[ ]*define[ ][ ]*/ / +t def +d +:def +s/\\$// +t bsnl +s/["\\]/\\&/g +s/^ \('"$ac_word_re"'\)\(([^()]*)\)[ ]*\(.*\)/P["\1"]="\2"\ +D["\1"]=" \3"/p +s/^ \('"$ac_word_re"'\)[ ]*\(.*\)/D["\1"]=" \2"/p +d +:bsnl +s/["\\]/\\&/g +s/^ \('"$ac_word_re"'\)\(([^()]*)\)[ ]*\(.*\)/P["\1"]="\2"\ +D["\1"]=" \3\\\\\\n"\\/p +t cont +s/^ \('"$ac_word_re"'\)[ ]*\(.*\)/D["\1"]=" \2\\\\\\n"\\/p +t cont +d +:cont +n +s/.\{148\}/&'"$ac_delim"'/g +t clear +:clear +s/\\$// +t bsnlc +s/["\\]/\\&/g; s/^/"/; s/$/"/p +d +:bsnlc +s/["\\]/\\&/g; s/^/"/; s/$/\\\\\\n"\\/p +b cont +' <confdefs.h | sed ' +s/'"$ac_delim"'/"\\\ +"/g' >>$CONFIG_STATUS || ac_write_fail=1 + +cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1 + for (key in D) D_is_set[key] = 1 + FS = "" +} +/^[\t ]*#[\t ]*(define|undef)[\t ]+$ac_word_re([\t (]|\$)/ { + line = \$ 0 + split(line, arg, " ") + if (arg[1] == "#") { + defundef = arg[2] + mac1 = arg[3] + } else { + defundef = substr(arg[1], 2) + mac1 = arg[2] + } + split(mac1, mac2, "(") #) + macro = mac2[1] + prefix = substr(line, 1, index(line, defundef) - 1) + if (D_is_set[macro]) { + # Preserve the white space surrounding the "#". + print prefix "define", macro P[macro] D[macro] + next + } else { + # Replace #undef with comments. This is necessary, for example, + # in the case of _POSIX_SOURCE, which is predefined and required + # on some systems where configure will not decide to define it. + if (defundef == "undef") { + print "/*", prefix defundef, macro, "*/" + next + } + } +} +{ print } +_ACAWK +_ACEOF +cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1 + as_fn_error "could not setup config headers machinery" "$LINENO" 5 +fi # test -n "$CONFIG_HEADERS" + + +eval set X " :F $CONFIG_FILES :H $CONFIG_HEADERS :C $CONFIG_COMMANDS" shift for ac_tag do @@ -5063,7 +6577,30 @@ esac \ || as_fn_error "could not create $ac_file" "$LINENO" 5 ;; - + :H) + # + # CONFIG_HEADER + # + if test x"$ac_file" != x-; then + { + $as_echo "/* $configure_input */" \ + && eval '$AWK -f "$tmp/defines.awk"' "$ac_file_inputs" + } >"$tmp/config.h" \ + || as_fn_error "could not create $ac_file" "$LINENO" 5 + if diff "$ac_file" "$tmp/config.h" >/dev/null 2>&1; then + { $as_echo "$as_me:${as_lineno-$LINENO}: $ac_file is unchanged" >&5 +$as_echo "$as_me: $ac_file is unchanged" >&6;} + else + rm -f "$ac_file" + mv "$tmp/config.h" "$ac_file" \ + || as_fn_error "could not create $ac_file" "$LINENO" 5 + fi + else + $as_echo "/* $configure_input */" \ + && eval '$AWK -f "$tmp/defines.awk"' "$ac_file_inputs" \ + || as_fn_error "could not create -" "$LINENO" 5 + fi + ;; :C) { $as_echo "$as_me:${as_lineno-$LINENO}: executing $ac_file commands" >&5 $as_echo "$as_me: executing $ac_file commands" >&6;}