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https://sourceware.org/git/glibc.git
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Remove sizeof (long double) configure test.
There is a configure test for sizeof (long double) whose results aren't used anywhere. This patch removes that test. Tested for x86_64 (testsuite, and that installed shared libraries are unchanged by the patch). * configure.ac (sizeof_long_double): Remove configure test. * configure: Regenerated. * config.make.in (sizeof-long-double): Remove variable.
This commit is contained in:
Joseph Myers
parent
56ab386964
commit
3d0dbdc467
@ -1,5 +1,9 @@
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2015-10-15 Joseph Myers <joseph@codesourcery.com>
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* configure.ac (sizeof_long_double): Remove configure test.
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* configure: Regenerated.
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* config.make.in (sizeof-long-double): Remove variable.
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* configure.ac (libc_cv_gcc_exceptions): Remove configure test.
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* configure: Regenerated.
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* sysdeps/arm/configure.ac (libc_cv_gcc_exceptions): Do not set
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@ -74,8 +74,6 @@ multi-arch = @multi_arch@
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mach-interface-list = @mach_interface_list@
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sizeof-long-double = @sizeof_long_double@
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nss-crypt = @libc_cv_nss_crypt@
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# Configuration options.
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267
configure
vendored
267
configure
vendored
@ -197,8 +197,7 @@ test -x / || exit 1"
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as_suggested=" as_lineno_1=";as_suggested=$as_suggested$LINENO;as_suggested=$as_suggested" as_lineno_1a=\$LINENO
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as_lineno_2=";as_suggested=$as_suggested$LINENO;as_suggested=$as_suggested" as_lineno_2a=\$LINENO
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eval 'test \"x\$as_lineno_1'\$as_run'\" != \"x\$as_lineno_2'\$as_run'\" &&
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test \"x\`expr \$as_lineno_1'\$as_run' + 1\`\" = \"x\$as_lineno_2'\$as_run'\"' || exit 1
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test \$(( 1 + 1 )) = 2 || exit 1"
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test \"x\`expr \$as_lineno_1'\$as_run' + 1\`\" = \"x\$as_lineno_2'\$as_run'\"' || exit 1"
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if (eval "$as_required") 2>/dev/null; then :
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as_have_required=yes
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else
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@ -587,7 +586,6 @@ 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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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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@ -616,7 +614,6 @@ libc_extra_cppflags
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libc_extra_cflags
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libc_cv_cxx_thread_local
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CPPUNDEFS
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sizeof_long_double
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have_selinux
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have_libcap
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have_libaudit
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@ -1727,231 +1724,6 @@ fi
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as_fn_set_status $ac_retval
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} # ac_fn_c_try_link
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# ac_fn_c_try_run LINENO
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# ----------------------
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# Try to link conftest.$ac_ext, and return whether this succeeded. Assumes
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# that executables *can* be run.
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ac_fn_c_try_run ()
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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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if { { ac_try="$ac_link"
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case "(($ac_try" in
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*\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
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*) ac_try_echo=$ac_try;;
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esac
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eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\""
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$as_echo "$ac_try_echo"; } >&5
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(eval "$ac_link") 2>&5
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ac_status=$?
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$as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
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test $ac_status = 0; } && { ac_try='./conftest$ac_exeext'
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{ { case "(($ac_try" in
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*\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
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*) ac_try_echo=$ac_try;;
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esac
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eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\""
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$as_echo "$ac_try_echo"; } >&5
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(eval "$ac_try") 2>&5
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ac_status=$?
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$as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
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test $ac_status = 0; }; }; then :
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ac_retval=0
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else
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$as_echo "$as_me: program exited with status $ac_status" >&5
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$as_echo "$as_me: failed program was:" >&5
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sed 's/^/| /' conftest.$ac_ext >&5
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ac_retval=$ac_status
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fi
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rm -rf conftest.dSYM conftest_ipa8_conftest.oo
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eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno
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as_fn_set_status $ac_retval
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} # ac_fn_c_try_run
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# ac_fn_c_compute_int LINENO EXPR VAR INCLUDES
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# --------------------------------------------
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# Tries to find the compile-time value of EXPR in a program that includes
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# INCLUDES, setting VAR accordingly. Returns whether the value could be
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# computed
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ac_fn_c_compute_int ()
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{
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as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
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if test "$cross_compiling" = yes; then
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# Depending upon the size, compute the lo and hi bounds.
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cat confdefs.h - <<_ACEOF >conftest.$ac_ext
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/* end confdefs.h. */
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$4
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int
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main ()
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{
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static int test_array [1 - 2 * !(($2) >= 0)];
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test_array [0] = 0;
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return test_array [0];
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;
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return 0;
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}
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_ACEOF
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if ac_fn_c_try_compile "$LINENO"; then :
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ac_lo=0 ac_mid=0
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while :; do
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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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int
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main ()
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{
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static int test_array [1 - 2 * !(($2) <= $ac_mid)];
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test_array [0] = 0;
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return test_array [0];
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;
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return 0;
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}
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_ACEOF
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if ac_fn_c_try_compile "$LINENO"; then :
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ac_hi=$ac_mid; break
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else
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as_fn_arith $ac_mid + 1 && ac_lo=$as_val
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if test $ac_lo -le $ac_mid; then
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ac_lo= ac_hi=
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break
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fi
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as_fn_arith 2 '*' $ac_mid + 1 && ac_mid=$as_val
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fi
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rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
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done
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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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int
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main ()
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{
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static int test_array [1 - 2 * !(($2) < 0)];
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test_array [0] = 0;
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return test_array [0];
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;
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return 0;
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}
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_ACEOF
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if ac_fn_c_try_compile "$LINENO"; then :
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ac_hi=-1 ac_mid=-1
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while :; do
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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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int
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main ()
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{
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static int test_array [1 - 2 * !(($2) >= $ac_mid)];
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test_array [0] = 0;
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return test_array [0];
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;
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return 0;
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}
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_ACEOF
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if ac_fn_c_try_compile "$LINENO"; then :
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ac_lo=$ac_mid; break
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else
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as_fn_arith '(' $ac_mid ')' - 1 && ac_hi=$as_val
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if test $ac_mid -le $ac_hi; then
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ac_lo= ac_hi=
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break
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fi
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as_fn_arith 2 '*' $ac_mid && ac_mid=$as_val
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fi
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rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
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done
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else
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ac_lo= ac_hi=
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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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rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
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# Binary search between lo and hi bounds.
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while test "x$ac_lo" != "x$ac_hi"; do
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as_fn_arith '(' $ac_hi - $ac_lo ')' / 2 + $ac_lo && ac_mid=$as_val
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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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int
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main ()
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{
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static int test_array [1 - 2 * !(($2) <= $ac_mid)];
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test_array [0] = 0;
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return test_array [0];
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;
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return 0;
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}
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_ACEOF
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if ac_fn_c_try_compile "$LINENO"; then :
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ac_hi=$ac_mid
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else
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as_fn_arith '(' $ac_mid ')' + 1 && ac_lo=$as_val
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fi
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rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
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done
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case $ac_lo in #((
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?*) eval "$3=\$ac_lo"; ac_retval=0 ;;
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'') ac_retval=1 ;;
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esac
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else
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cat confdefs.h - <<_ACEOF >conftest.$ac_ext
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/* end confdefs.h. */
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$4
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static long int longval () { return $2; }
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static unsigned long int ulongval () { return $2; }
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#include <stdio.h>
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#include <stdlib.h>
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int
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main ()
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{
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FILE *f = fopen ("conftest.val", "w");
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if (! f)
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return 1;
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if (($2) < 0)
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{
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long int i = longval ();
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if (i != ($2))
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return 1;
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fprintf (f, "%ld", i);
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}
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else
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{
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unsigned long int i = ulongval ();
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if (i != ($2))
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return 1;
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fprintf (f, "%lu", i);
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}
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/* Do not output a trailing newline, as this causes \r\n confusion
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on some platforms. */
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return ferror (f) || fclose (f) != 0;
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;
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return 0;
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}
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_ACEOF
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if ac_fn_c_try_run "$LINENO"; then :
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echo >>conftest.val; read $3 <conftest.val; ac_retval=0
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else
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ac_retval=1
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fi
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rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \
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conftest.$ac_objext conftest.beam conftest.$ac_ext
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rm -f conftest.val
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fi
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eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno
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as_fn_set_status $ac_retval
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} # ac_fn_c_compute_int
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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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@ -6863,43 +6635,6 @@ $as_echo "#define HAVE_LIBCAP 1" >>confdefs.h
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fi
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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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# This bug is HP SR number 8606223364.
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{ $as_echo "$as_me:${as_lineno-$LINENO}: checking size of long double" >&5
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$as_echo_n "checking size of long double... " >&6; }
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if ${ac_cv_sizeof_long_double+:} false; then :
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$as_echo_n "(cached) " >&6
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else
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if ac_fn_c_compute_int "$LINENO" "(long int) (sizeof (long double))" "ac_cv_sizeof_long_double" "$ac_includes_default"; then :
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else
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if test "$ac_cv_type_long_double" = yes; then
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{ { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
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$as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
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as_fn_error 77 "cannot compute sizeof (long double)
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See \`config.log' for more details" "$LINENO" 5; }
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else
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ac_cv_sizeof_long_double=0
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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: $ac_cv_sizeof_long_double" >&5
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$as_echo "$ac_cv_sizeof_long_double" >&6; }
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cat >>confdefs.h <<_ACEOF
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#define SIZEOF_LONG_DOUBLE $ac_cv_sizeof_long_double
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_ACEOF
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sizeof_long_double=$ac_cv_sizeof_long_double
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CPPUNDEFS=
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{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for _FORTIFY_SOURCE predefine" >&5
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$as_echo_n "checking for _FORTIFY_SOURCE predefine... " >&6; }
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@ -1793,11 +1793,6 @@ if test "x$have_selinux" = xyes; then
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fi
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AC_SUBST(have_selinux)
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dnl check for the size of 'long double'.
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AC_CHECK_SIZEOF(long double, 0)
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sizeof_long_double=$ac_cv_sizeof_long_double
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AC_SUBST(sizeof_long_double)
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CPPUNDEFS=
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dnl Check for silly hacked compilers predefining _FORTIFY_SOURCE.
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dnl Since we are building the implementations of the fortified functions here,
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