mirror of
https://sourceware.org/git/glibc.git
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Don't use header files in glibc configure
This commit is contained in:
H.J. Lu
parent
7b44a2df27
commit
918b56067a
@ -1,3 +1,8 @@
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2012-05-25 H.J. Lu <hongjiu.lu@intel.com>
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* configure.in: Define the default includes to being none.
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* configure: Regenerated.
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2012-05-25 Roland McGrath <roland@hack.frob.com>
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* sysdeps/x86_64/__longjmp.S: Add a static probe here.
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332
configure
vendored
332
configure
vendored
@ -567,42 +567,7 @@ PACKAGE_URL='http://www.gnu.org/software/glibc/'
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ac_unique_file="include/features.h"
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enable_option_checking=no
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# Factoring default headers for most tests.
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ac_includes_default="\
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#include <stdio.h>
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#ifdef HAVE_SYS_TYPES_H
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# include <sys/types.h>
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#endif
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#ifdef HAVE_SYS_STAT_H
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# include <sys/stat.h>
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#endif
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#ifdef STDC_HEADERS
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# include <stdlib.h>
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# include <stddef.h>
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#else
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# ifdef HAVE_STDLIB_H
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# include <stdlib.h>
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# endif
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#endif
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#ifdef HAVE_STRING_H
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# if !defined STDC_HEADERS && defined HAVE_MEMORY_H
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# include <memory.h>
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# endif
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# include <string.h>
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#endif
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#ifdef HAVE_STRINGS_H
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# include <strings.h>
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#endif
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#ifdef HAVE_INTTYPES_H
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# include <inttypes.h>
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#endif
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#ifdef HAVE_STDINT_H
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# include <stdint.h>
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#endif
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#ifdef HAVE_UNISTD_H
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# include <unistd.h>
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#endif"
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ac_includes_default='/* none */'
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ac_subst_vars='LTLIBOBJS
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LIBOBJS
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RELEASE
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@ -635,8 +600,6 @@ libc_cv_gcc_unwind_find_fde
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libc_extra_cflags
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CPPUNDEFS
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sizeof_long_double
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EGREP
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GREP
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have_selinux
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have_libcap
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have_libaudit
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@ -1930,37 +1893,6 @@ rm -f conftest.val
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as_fn_set_status $ac_retval
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} # ac_fn_c_compute_int
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# ac_fn_c_check_header_compile LINENO HEADER VAR INCLUDES
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# -------------------------------------------------------
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# Tests whether HEADER exists and can be compiled using the include files in
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# INCLUDES, setting the cache variable VAR accordingly.
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ac_fn_c_check_header_compile ()
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{
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as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
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{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $2" >&5
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$as_echo_n "checking for $2... " >&6; }
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if eval \${$3+:} false; then :
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$as_echo_n "(cached) " >&6
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else
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cat confdefs.h - <<_ACEOF >conftest.$ac_ext
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/* end confdefs.h. */
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$4
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#include <$2>
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_ACEOF
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if ac_fn_c_try_compile "$LINENO"; then :
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eval "$3=yes"
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else
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eval "$3=no"
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fi
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rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
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fi
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eval ac_res=\$$3
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{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5
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$as_echo "$ac_res" >&6; }
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eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno
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} # ac_fn_c_check_header_compile
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cat >config.log <<_ACEOF
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This file contains any messages produced by compilers while
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running configure, to aid debugging if configure makes a mistake.
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@ -2346,6 +2278,9 @@ ac_configure="$SHELL $ac_aux_dir/configure" # Please don't use this var.
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# Glibc should not depend on any header files
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subdirs="$subdirs "
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@ -7390,265 +7325,6 @@ fi
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{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for grep that handles long lines and -e" >&5
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$as_echo_n "checking for grep that handles long lines and -e... " >&6; }
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if ${ac_cv_path_GREP+:} false; then :
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$as_echo_n "(cached) " >&6
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else
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if test -z "$GREP"; then
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ac_path_GREP_found=false
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# Loop through the user's path and test for each of PROGNAME-LIST
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as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
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for as_dir in $PATH$PATH_SEPARATOR/usr/xpg4/bin
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do
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IFS=$as_save_IFS
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test -z "$as_dir" && as_dir=.
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for ac_prog in grep ggrep; do
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for ac_exec_ext in '' $ac_executable_extensions; do
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ac_path_GREP="$as_dir/$ac_prog$ac_exec_ext"
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{ test -f "$ac_path_GREP" && $as_test_x "$ac_path_GREP"; } || continue
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# Check for GNU ac_path_GREP and select it if it is found.
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# Check for GNU $ac_path_GREP
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case `"$ac_path_GREP" --version 2>&1` in
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*GNU*)
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ac_cv_path_GREP="$ac_path_GREP" ac_path_GREP_found=:;;
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*)
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ac_count=0
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$as_echo_n 0123456789 >"conftest.in"
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while :
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do
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cat "conftest.in" "conftest.in" >"conftest.tmp"
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mv "conftest.tmp" "conftest.in"
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cp "conftest.in" "conftest.nl"
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$as_echo 'GREP' >> "conftest.nl"
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"$ac_path_GREP" -e 'GREP$' -e '-(cannot match)-' < "conftest.nl" >"conftest.out" 2>/dev/null || break
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diff "conftest.out" "conftest.nl" >/dev/null 2>&1 || break
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as_fn_arith $ac_count + 1 && ac_count=$as_val
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if test $ac_count -gt ${ac_path_GREP_max-0}; then
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# Best one so far, save it but keep looking for a better one
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ac_cv_path_GREP="$ac_path_GREP"
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ac_path_GREP_max=$ac_count
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fi
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# 10*(2^10) chars as input seems more than enough
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test $ac_count -gt 10 && break
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done
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rm -f conftest.in conftest.tmp conftest.nl conftest.out;;
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esac
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$ac_path_GREP_found && break 3
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done
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done
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done
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IFS=$as_save_IFS
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if test -z "$ac_cv_path_GREP"; then
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as_fn_error $? "no acceptable grep could be found in $PATH$PATH_SEPARATOR/usr/xpg4/bin" "$LINENO" 5
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fi
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else
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ac_cv_path_GREP=$GREP
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fi
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fi
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{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_path_GREP" >&5
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$as_echo "$ac_cv_path_GREP" >&6; }
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GREP="$ac_cv_path_GREP"
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{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for egrep" >&5
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$as_echo_n "checking for egrep... " >&6; }
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if ${ac_cv_path_EGREP+:} false; then :
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$as_echo_n "(cached) " >&6
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else
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if echo a | $GREP -E '(a|b)' >/dev/null 2>&1
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then ac_cv_path_EGREP="$GREP -E"
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else
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if test -z "$EGREP"; then
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ac_path_EGREP_found=false
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# Loop through the user's path and test for each of PROGNAME-LIST
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as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
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for as_dir in $PATH$PATH_SEPARATOR/usr/xpg4/bin
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do
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IFS=$as_save_IFS
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test -z "$as_dir" && as_dir=.
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for ac_prog in egrep; do
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for ac_exec_ext in '' $ac_executable_extensions; do
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ac_path_EGREP="$as_dir/$ac_prog$ac_exec_ext"
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{ test -f "$ac_path_EGREP" && $as_test_x "$ac_path_EGREP"; } || continue
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# Check for GNU ac_path_EGREP and select it if it is found.
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# Check for GNU $ac_path_EGREP
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case `"$ac_path_EGREP" --version 2>&1` in
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*GNU*)
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ac_cv_path_EGREP="$ac_path_EGREP" ac_path_EGREP_found=:;;
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*)
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ac_count=0
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$as_echo_n 0123456789 >"conftest.in"
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while :
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do
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cat "conftest.in" "conftest.in" >"conftest.tmp"
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mv "conftest.tmp" "conftest.in"
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cp "conftest.in" "conftest.nl"
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$as_echo 'EGREP' >> "conftest.nl"
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"$ac_path_EGREP" 'EGREP$' < "conftest.nl" >"conftest.out" 2>/dev/null || break
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diff "conftest.out" "conftest.nl" >/dev/null 2>&1 || break
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as_fn_arith $ac_count + 1 && ac_count=$as_val
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if test $ac_count -gt ${ac_path_EGREP_max-0}; then
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# Best one so far, save it but keep looking for a better one
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ac_cv_path_EGREP="$ac_path_EGREP"
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ac_path_EGREP_max=$ac_count
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fi
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# 10*(2^10) chars as input seems more than enough
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test $ac_count -gt 10 && break
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done
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rm -f conftest.in conftest.tmp conftest.nl conftest.out;;
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esac
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$ac_path_EGREP_found && break 3
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done
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done
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done
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IFS=$as_save_IFS
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if test -z "$ac_cv_path_EGREP"; then
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as_fn_error $? "no acceptable egrep could be found in $PATH$PATH_SEPARATOR/usr/xpg4/bin" "$LINENO" 5
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fi
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else
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ac_cv_path_EGREP=$EGREP
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fi
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fi
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fi
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{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_path_EGREP" >&5
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$as_echo "$ac_cv_path_EGREP" >&6; }
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EGREP="$ac_cv_path_EGREP"
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{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for ANSI C header files" >&5
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$as_echo_n "checking for ANSI C header files... " >&6; }
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if ${ac_cv_header_stdc+:} false; then :
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$as_echo_n "(cached) " >&6
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else
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cat confdefs.h - <<_ACEOF >conftest.$ac_ext
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/* end confdefs.h. */
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#include <stdlib.h>
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#include <stdarg.h>
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#include <string.h>
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#include <float.h>
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int
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main ()
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{
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;
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return 0;
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}
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_ACEOF
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if ac_fn_c_try_compile "$LINENO"; then :
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ac_cv_header_stdc=yes
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else
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ac_cv_header_stdc=no
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fi
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rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
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if test $ac_cv_header_stdc = yes; then
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# SunOS 4.x string.h does not declare mem*, contrary to ANSI.
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cat confdefs.h - <<_ACEOF >conftest.$ac_ext
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/* end confdefs.h. */
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#include <string.h>
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_ACEOF
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if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
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$EGREP "memchr" >/dev/null 2>&1; then :
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else
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ac_cv_header_stdc=no
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fi
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rm -f conftest*
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fi
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if test $ac_cv_header_stdc = yes; then
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# ISC 2.0.2 stdlib.h does not declare free, contrary to ANSI.
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cat confdefs.h - <<_ACEOF >conftest.$ac_ext
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/* end confdefs.h. */
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#include <stdlib.h>
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_ACEOF
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if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
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$EGREP "free" >/dev/null 2>&1; then :
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else
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ac_cv_header_stdc=no
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fi
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rm -f conftest*
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fi
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if test $ac_cv_header_stdc = yes; then
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# /bin/cc in Irix-4.0.5 gets non-ANSI ctype macros unless using -ansi.
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if test "$cross_compiling" = yes; then :
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:
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else
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cat confdefs.h - <<_ACEOF >conftest.$ac_ext
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/* end confdefs.h. */
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#include <ctype.h>
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#include <stdlib.h>
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#if ((' ' & 0x0FF) == 0x020)
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# define ISLOWER(c) ('a' <= (c) && (c) <= 'z')
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# define TOUPPER(c) (ISLOWER(c) ? 'A' + ((c) - 'a') : (c))
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#else
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# define ISLOWER(c) \
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(('a' <= (c) && (c) <= 'i') \
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|| ('j' <= (c) && (c) <= 'r') \
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|| ('s' <= (c) && (c) <= 'z'))
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# define TOUPPER(c) (ISLOWER(c) ? ((c) | 0x40) : (c))
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#endif
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#define XOR(e, f) (((e) && !(f)) || (!(e) && (f)))
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int
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main ()
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{
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int i;
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for (i = 0; i < 256; i++)
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if (XOR (islower (i), ISLOWER (i))
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|| toupper (i) != TOUPPER (i))
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return 2;
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return 0;
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}
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_ACEOF
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if ac_fn_c_try_run "$LINENO"; then :
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else
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ac_cv_header_stdc=no
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fi
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rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \
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conftest.$ac_objext conftest.beam conftest.$ac_ext
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fi
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fi
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fi
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{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_header_stdc" >&5
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$as_echo "$ac_cv_header_stdc" >&6; }
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if test $ac_cv_header_stdc = yes; then
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$as_echo "#define STDC_HEADERS 1" >>confdefs.h
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fi
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# On IRIX 5.3, sys/types and inttypes.h are conflicting.
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for ac_header in sys/types.h sys/stat.h stdlib.h string.h memory.h strings.h \
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inttypes.h stdint.h unistd.h
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do :
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as_ac_Header=`$as_echo "ac_cv_header_$ac_header" | $as_tr_sh`
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ac_fn_c_check_header_compile "$LINENO" "$ac_header" "$as_ac_Header" "$ac_includes_default
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"
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if eval test \"x\$"$as_ac_Header"\" = x"yes"; then :
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cat >>confdefs.h <<_ACEOF
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#define `$as_echo "HAVE_$ac_header" | $as_tr_cpp` 1
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_ACEOF
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fi
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done
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# The cast to long int works around a bug in the HP C Compiler
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# version HP92453-01 B.11.11.23709.GP, which incorrectly rejects
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# declarations like `int a3[[(sizeof (unsigned char)) >= 0]];'.
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@ -5,6 +5,11 @@ AC_CONFIG_SRCDIR([include/features.h])
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AC_CONFIG_HEADERS([config.h])
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AC_CONFIG_AUX_DIR([scripts])
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# Glibc should not depend on any header files
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AC_DEFUN([_AC_INCLUDES_DEFAULT_REQUIREMENTS],
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[m4_divert_text([DEFAULTS],
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[ac_includes_default='/* none */'])])
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dnl This is here so we can set $subdirs directly based on configure fragments.
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AC_CONFIG_SUBDIRS()
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