Simplify logic behind the generic configuration option --enable-sim-alignment.
This commit is contained in:
Andrew Cagney
parent
6438209c60
commit
794e9ac96a
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@ -1,3 +1,7 @@
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Mon Sep 22 11:46:20 1997 Andrew Cagney <cagney@b1.cygnus.com>
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* configure: Regenerated to track ../common/aclocal.m4 changes.
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Fri Sep 19 17:45:25 1997 Andrew Cagney <cagney@b1.cygnus.com>
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* configure: Regenerated to track ../common/aclocal.m4 changes.
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@ -1,3 +1,12 @@
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Mon Sep 22 11:46:20 1997 Andrew Cagney <cagney@b1.cygnus.com>
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* configure: Regenerated to track ../common/aclocal.m4 changes.
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Mon Sep 22 11:45:00 1997 Andrew Cagney <cagney@b1.cygnus.com>
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* aclocal.m4 (sim_alignment): Simplify logic for selecting the
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configured alignment.
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Fri Sep 19 17:45:25 1997 Andrew Cagney <cagney@b1.cygnus.com>
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* configure: Regenerated to track ../common/aclocal.m4 changes.
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@ -211,13 +211,12 @@ dnl and SIM_AC_OUTPUT lines.
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dnl Specify the alignment restrictions of the target architecture.
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dnl Without this option all possible alignment restrictions are accomidated.
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dnl Without this option all possible alignment restrictions are accommodated.
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dnl arg[1] is hardwired target alignment
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dnl arg[2] is default target alignment
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AC_DEFUN(SIM_AC_OPTION_ALIGNMENT,
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wire_alignment="ifelse([$2],,ifelse([$1],,,[$1]),[$2])"
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default_alignment="ifelse([$2],,ifelse([$1],,,[$1]),[$2])"
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default_sim_alignment="ifelse([$1],,ifelse([$2],,,-DWITH_DEFAULT_ALIGNMENT=[$2]),-DWITH_ALIGNMENT=[$1])"
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wire_alignment="[$1]"
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default_alignment="[$2]"
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[
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AC_ARG_ENABLE(sim-alignment,
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[ --enable-sim-alignment=align Specify strict, nonstrict or forced alignment of memory accesses.],
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@ -228,20 +227,37 @@ AC_ARG_ENABLE(sim-alignment,
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yes) if test x"$wire_alignment" != x; then
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sim_alignment="-DWITH_ALIGNMENT=${wire_alignment}"
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else
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echo "No hard-wired alignment for target $target" 1>&6
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sim_alignment="-DWITH_ALIGNMENT=0"
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if test x"$default_alignment" != x; then
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sim_alignment="-DWITH_ALIGNMENT=${default_alignment}"
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else
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echo "No hard-wired alignment for target $target" 1>&6
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sim_alignment="-DWITH_ALIGNMENT=0"
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fi
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fi;;
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no) if test x"$default_alignment" != x; then
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sim_alignment="-DWITH_DEFAULT_ALIGNMENT=${default_alignment}"
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else
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echo "No default alignment for target $target" 1>&6
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sim_alignment="-DWITH_DEFAULT_ALIGNMENT=0"
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if test x"$wire_alignment" != x; then
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sim_alignment="-DWITH_DEFAULT_ALIGNMENT=${wire_alignment}"
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else
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echo "No default alignment for target $target" 1>&6
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sim_alignment="-DWITH_DEFAULT_ALIGNMENT=0"
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fi
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fi;;
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*) AC_MSG_ERROR("Unknown value $enableval passed to --enable-sim-alignment"); sim_alignment="";;
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esac
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if test x"$silent" != x"yes" && test x"$sim_alignment" != x""; then
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echo "Setting alignment flags = $sim_alignment" 6>&1
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fi],[sim_alignment="${default_sim_alignment}"])dnl
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fi],
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[if test x"$default_alignment" != x; then
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sim_alignment="-DWITH_DEFAULT_ALIGNMENT=${default_alignment}"
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else
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if test x"$wire_alignment" != x; then
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sim_alignment="-DWITH_ALIGNMENT=${wire_alignment}"
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else
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sim_alignment=
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fi
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fi])dnl
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AC_SUBST(sim_alignment)
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])dnl
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@ -1,3 +1,7 @@
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Mon Sep 22 11:46:20 1997 Andrew Cagney <cagney@b1.cygnus.com>
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* configure: Regenerated to track ../common/aclocal.m4 changes.
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Fri Sep 19 17:45:25 1997 Andrew Cagney <cagney@b1.cygnus.com>
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* configure: Regenerated to track ../common/aclocal.m4 changes.
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@ -1,3 +1,7 @@
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Mon Sep 22 11:46:20 1997 Andrew Cagney <cagney@b1.cygnus.com>
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* configure: Regenerated to track ../common/aclocal.m4 changes.
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Fri Sep 19 17:45:25 1997 Andrew Cagney <cagney@b1.cygnus.com>
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* configure: Regenerated to track ../common/aclocal.m4 changes.
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@ -1,3 +1,7 @@
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Mon Sep 22 11:46:20 1997 Andrew Cagney <cagney@b1.cygnus.com>
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* configure: Regenerated to track ../common/aclocal.m4 changes.
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Fri Sep 19 17:45:25 1997 Andrew Cagney <cagney@b1.cygnus.com>
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* configure: Regenerated to track ../common/aclocal.m4 changes.
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@ -1,3 +1,7 @@
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Mon Sep 22 11:46:20 1997 Andrew Cagney <cagney@b1.cygnus.com>
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* configure: Regenerated to track ../common/aclocal.m4 changes.
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Fri Sep 19 17:45:25 1997 Andrew Cagney <cagney@b1.cygnus.com>
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* configure: Regenerated to track ../common/aclocal.m4 changes.
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@ -1,3 +1,7 @@
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Mon Sep 22 11:46:20 1997 Andrew Cagney <cagney@b1.cygnus.com>
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* configure: Regenerated to track ../common/aclocal.m4 changes.
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Fri Sep 19 17:45:25 1997 Andrew Cagney <cagney@b1.cygnus.com>
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* configure: Regenerated to track ../common/aclocal.m4 changes.
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@ -1,3 +1,7 @@
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Mon Sep 22 11:46:20 1997 Andrew Cagney <cagney@b1.cygnus.com>
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* configure: Regenerated to track ../common/aclocal.m4 changes.
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Fri Sep 19 17:45:25 1997 Andrew Cagney <cagney@b1.cygnus.com>
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* configure: Regenerated to track ../common/aclocal.m4 changes.
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@ -1,3 +1,7 @@
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Mon Sep 22 11:46:20 1997 Andrew Cagney <cagney@b1.cygnus.com>
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* configure: Regenerated to track ../common/aclocal.m4 changes.
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Fri Sep 19 17:45:25 1997 Andrew Cagney <cagney@b1.cygnus.com>
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* configure: Regenerated to track ../common/aclocal.m4 changes.
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@ -1,3 +1,7 @@
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Mon Sep 22 11:46:20 1997 Andrew Cagney <cagney@b1.cygnus.com>
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* configure: Regenerated to track ../common/aclocal.m4 changes.
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Fri Sep 19 17:45:25 1997 Andrew Cagney <cagney@b1.cygnus.com>
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* configure: Regenerated to track ../common/aclocal.m4 changes.
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@ -1372,9 +1372,8 @@ else
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fi
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wire_alignment=""
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wire_alignment="FORCED_ALIGNMENT"
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default_alignment=""
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default_sim_alignment="-DWITH_ALIGNMENT=FORCED_ALIGNMENT"
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# Check whether --enable-sim-alignment or --disable-sim-alignment was given.
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if test "${enable_sim_alignment+set}" = set; then
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@ -1386,14 +1385,22 @@ if test "${enable_sim_alignment+set}" = set; then
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yes) if test x"$wire_alignment" != x; then
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sim_alignment="-DWITH_ALIGNMENT=${wire_alignment}"
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else
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echo "No hard-wired alignment for target $target" 1>&6
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sim_alignment="-DWITH_ALIGNMENT=0"
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if test x"$default_alignment" != x; then
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sim_alignment="-DWITH_ALIGNMENT=${default_alignment}"
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else
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echo "No hard-wired alignment for target $target" 1>&6
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sim_alignment="-DWITH_ALIGNMENT=0"
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fi
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fi;;
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no) if test x"$default_alignment" != x; then
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sim_alignment="-DWITH_DEFAULT_ALIGNMENT=${default_alignment}"
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else
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echo "No default alignment for target $target" 1>&6
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sim_alignment="-DWITH_DEFAULT_ALIGNMENT=0"
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if test x"$wire_alignment" != x; then
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sim_alignment="-DWITH_DEFAULT_ALIGNMENT=${wire_alignment}"
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else
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echo "No default alignment for target $target" 1>&6
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sim_alignment="-DWITH_DEFAULT_ALIGNMENT=0"
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fi
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fi;;
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*) { echo "configure: error: "Unknown value $enableval passed to --enable-sim-alignment"" 1>&2; exit 1; }; sim_alignment="";;
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esac
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@ -1401,7 +1408,15 @@ if test x"$silent" != x"yes" && test x"$sim_alignment" != x""; then
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echo "Setting alignment flags = $sim_alignment" 6>&1
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fi
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else
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sim_alignment="${default_sim_alignment}"
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if test x"$default_alignment" != x; then
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sim_alignment="-DWITH_DEFAULT_ALIGNMENT=${default_alignment}"
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else
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if test x"$wire_alignment" != x; then
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sim_alignment="-DWITH_ALIGNMENT=${wire_alignment}"
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else
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sim_alignment=
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fi
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fi
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fi
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@ -1422,14 +1437,14 @@ else
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if test "x$cross_compiling" = "xno"; then
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echo $ac_n "checking whether byte ordering is bigendian""... $ac_c" 1>&6
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echo "configure:1426: checking whether byte ordering is bigendian" >&5
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echo "configure:1441: checking whether byte ordering is bigendian" >&5
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if eval "test \"`echo '$''{'ac_cv_c_bigendian'+set}'`\" = set"; then
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echo $ac_n "(cached) $ac_c" 1>&6
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else
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ac_cv_c_bigendian=unknown
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# See if sys/param.h defines the BYTE_ORDER macro.
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cat > conftest.$ac_ext <<EOF
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#line 1433 "configure"
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#line 1448 "configure"
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#include "confdefs.h"
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#include <sys/types.h>
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#include <sys/param.h>
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@ -1440,11 +1455,11 @@ int main() {
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#endif
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; return 0; }
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EOF
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if { (eval echo configure:1444: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
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if { (eval echo configure:1459: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
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rm -rf conftest*
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# It does; now see whether it defined to BIG_ENDIAN or not.
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cat > conftest.$ac_ext <<EOF
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#line 1448 "configure"
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#line 1463 "configure"
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#include "confdefs.h"
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#include <sys/types.h>
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#include <sys/param.h>
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@ -1455,7 +1470,7 @@ int main() {
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#endif
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; return 0; }
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EOF
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if { (eval echo configure:1459: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
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if { (eval echo configure:1474: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
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rm -rf conftest*
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ac_cv_c_bigendian=yes
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else
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@ -1475,7 +1490,7 @@ if test "$cross_compiling" = yes; then
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{ echo "configure: error: can not run test program while cross compiling" 1>&2; exit 1; }
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else
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cat > conftest.$ac_ext <<EOF
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#line 1479 "configure"
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#line 1494 "configure"
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#include "confdefs.h"
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main () {
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/* Are we little or big endian? From Harbison&Steele. */
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@ -1488,7 +1503,7 @@ main () {
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exit (u.c[sizeof (long) - 1] == 1);
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}
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EOF
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if { (eval echo configure:1492: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest && (./conftest; exit) 2>/dev/null
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if { (eval echo configure:1507: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest && (./conftest; exit) 2>/dev/null
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then
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ac_cv_c_bigendian=no
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else
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@ -1562,17 +1577,17 @@ for ac_hdr in stdlib.h unistd.h string.h strings.h
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do
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ac_safe=`echo "$ac_hdr" | sed 'y%./+-%__p_%'`
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echo $ac_n "checking for $ac_hdr""... $ac_c" 1>&6
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echo "configure:1566: checking for $ac_hdr" >&5
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echo "configure:1581: checking for $ac_hdr" >&5
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if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
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echo $ac_n "(cached) $ac_c" 1>&6
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else
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cat > conftest.$ac_ext <<EOF
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#line 1571 "configure"
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#line 1586 "configure"
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#include "confdefs.h"
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#include <$ac_hdr>
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EOF
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ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
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{ (eval echo configure:1576: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
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{ (eval echo configure:1591: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
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ac_err=`grep -v '^ *+' conftest.out`
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if test -z "$ac_err"; then
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rm -rf conftest*
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@ -1601,12 +1616,12 @@ done
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for ac_func in getpid kill
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do
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echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
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echo "configure:1605: checking for $ac_func" >&5
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echo "configure:1620: checking for $ac_func" >&5
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if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
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echo $ac_n "(cached) $ac_c" 1>&6
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else
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cat > conftest.$ac_ext <<EOF
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#line 1610 "configure"
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#line 1625 "configure"
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#include "confdefs.h"
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/* System header to define __stub macros and hopefully few prototypes,
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which can conflict with char $ac_func(); below. */
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@ -1629,7 +1644,7 @@ $ac_func();
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; return 0; }
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EOF
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if { (eval echo configure:1633: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
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if { (eval echo configure:1648: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
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rm -rf conftest*
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eval "ac_cv_func_$ac_func=yes"
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else
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@ -1,3 +1,7 @@
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Mon Sep 22 11:46:20 1997 Andrew Cagney <cagney@b1.cygnus.com>
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* configure: Regenerated to track ../common/aclocal.m4 changes.
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Fri Sep 19 17:45:25 1997 Andrew Cagney <cagney@b1.cygnus.com>
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* configure.in: Specify NONSTRICT_ALIGNMENT as the default.
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@ -1330,8 +1330,7 @@ fi
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wire_alignment="NONSTRICT_ALIGNMENT"
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default_alignment="NONSTRICT_ALIGNMENT"
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default_sim_alignment="-DWITH_ALIGNMENT="
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default_alignment=""
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# Check whether --enable-sim-alignment or --disable-sim-alignment was given.
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if test "${enable_sim_alignment+set}" = set; then
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@ -1343,14 +1342,22 @@ if test "${enable_sim_alignment+set}" = set; then
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yes) if test x"$wire_alignment" != x; then
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sim_alignment="-DWITH_ALIGNMENT=${wire_alignment}"
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else
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echo "No hard-wired alignment for target $target" 1>&6
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sim_alignment="-DWITH_ALIGNMENT=0"
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if test x"$default_alignment" != x; then
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sim_alignment="-DWITH_ALIGNMENT=${default_alignment}"
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else
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echo "No hard-wired alignment for target $target" 1>&6
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sim_alignment="-DWITH_ALIGNMENT=0"
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fi
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fi;;
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no) if test x"$default_alignment" != x; then
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sim_alignment="-DWITH_DEFAULT_ALIGNMENT=${default_alignment}"
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else
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echo "No default alignment for target $target" 1>&6
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sim_alignment="-DWITH_DEFAULT_ALIGNMENT=0"
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if test x"$wire_alignment" != x; then
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sim_alignment="-DWITH_DEFAULT_ALIGNMENT=${wire_alignment}"
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else
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echo "No default alignment for target $target" 1>&6
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sim_alignment="-DWITH_DEFAULT_ALIGNMENT=0"
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fi
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fi;;
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*) { echo "configure: error: "Unknown value $enableval passed to --enable-sim-alignment"" 1>&2; exit 1; }; sim_alignment="";;
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esac
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@ -1358,7 +1365,15 @@ if test x"$silent" != x"yes" && test x"$sim_alignment" != x""; then
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echo "Setting alignment flags = $sim_alignment" 6>&1
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fi
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else
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sim_alignment="${default_sim_alignment}"
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if test x"$default_alignment" != x; then
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sim_alignment="-DWITH_DEFAULT_ALIGNMENT=${default_alignment}"
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else
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if test x"$wire_alignment" != x; then
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sim_alignment="-DWITH_ALIGNMENT=${wire_alignment}"
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else
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sim_alignment=
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fi
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fi
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fi
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@ -1379,14 +1394,14 @@ else
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if test "x$cross_compiling" = "xno"; then
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echo $ac_n "checking whether byte ordering is bigendian""... $ac_c" 1>&6
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echo "configure:1383: checking whether byte ordering is bigendian" >&5
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echo "configure:1398: checking whether byte ordering is bigendian" >&5
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if eval "test \"`echo '$''{'ac_cv_c_bigendian'+set}'`\" = set"; then
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echo $ac_n "(cached) $ac_c" 1>&6
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else
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ac_cv_c_bigendian=unknown
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# See if sys/param.h defines the BYTE_ORDER macro.
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cat > conftest.$ac_ext <<EOF
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#line 1390 "configure"
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#line 1405 "configure"
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#include "confdefs.h"
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#include <sys/types.h>
|
||||
#include <sys/param.h>
|
||||
|
|
@ -1397,11 +1412,11 @@ int main() {
|
|||
#endif
|
||||
; return 0; }
|
||||
EOF
|
||||
if { (eval echo configure:1401: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
|
||||
if { (eval echo configure:1416: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
|
||||
rm -rf conftest*
|
||||
# It does; now see whether it defined to BIG_ENDIAN or not.
|
||||
cat > conftest.$ac_ext <<EOF
|
||||
#line 1405 "configure"
|
||||
#line 1420 "configure"
|
||||
#include "confdefs.h"
|
||||
#include <sys/types.h>
|
||||
#include <sys/param.h>
|
||||
|
|
@ -1412,7 +1427,7 @@ int main() {
|
|||
#endif
|
||||
; return 0; }
|
||||
EOF
|
||||
if { (eval echo configure:1416: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
|
||||
if { (eval echo configure:1431: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
|
||||
rm -rf conftest*
|
||||
ac_cv_c_bigendian=yes
|
||||
else
|
||||
|
|
@ -1432,7 +1447,7 @@ if test "$cross_compiling" = yes; then
|
|||
{ echo "configure: error: can not run test program while cross compiling" 1>&2; exit 1; }
|
||||
else
|
||||
cat > conftest.$ac_ext <<EOF
|
||||
#line 1436 "configure"
|
||||
#line 1451 "configure"
|
||||
#include "confdefs.h"
|
||||
main () {
|
||||
/* Are we little or big endian? From Harbison&Steele. */
|
||||
|
|
@ -1445,7 +1460,7 @@ main () {
|
|||
exit (u.c[sizeof (long) - 1] == 1);
|
||||
}
|
||||
EOF
|
||||
if { (eval echo configure:1449: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest && (./conftest; exit) 2>/dev/null
|
||||
if { (eval echo configure:1464: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest && (./conftest; exit) 2>/dev/null
|
||||
then
|
||||
ac_cv_c_bigendian=no
|
||||
else
|
||||
|
|
@ -1518,12 +1533,12 @@ fi
|
|||
for ac_func in time chmod utime fork execve execv chown
|
||||
do
|
||||
echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
|
||||
echo "configure:1522: checking for $ac_func" >&5
|
||||
echo "configure:1537: checking for $ac_func" >&5
|
||||
if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
|
||||
echo $ac_n "(cached) $ac_c" 1>&6
|
||||
else
|
||||
cat > conftest.$ac_ext <<EOF
|
||||
#line 1527 "configure"
|
||||
#line 1542 "configure"
|
||||
#include "confdefs.h"
|
||||
/* System header to define __stub macros and hopefully few prototypes,
|
||||
which can conflict with char $ac_func(); below. */
|
||||
|
|
@ -1546,7 +1561,7 @@ $ac_func();
|
|||
|
||||
; return 0; }
|
||||
EOF
|
||||
if { (eval echo configure:1550: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
|
||||
if { (eval echo configure:1565: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
|
||||
rm -rf conftest*
|
||||
eval "ac_cv_func_$ac_func=yes"
|
||||
else
|
||||
|
|
@ -1574,17 +1589,17 @@ for ac_hdr in unistd.h stdlib.h string.h strings.h utime.h time.h
|
|||
do
|
||||
ac_safe=`echo "$ac_hdr" | sed 'y%./+-%__p_%'`
|
||||
echo $ac_n "checking for $ac_hdr""... $ac_c" 1>&6
|
||||
echo "configure:1578: checking for $ac_hdr" >&5
|
||||
echo "configure:1593: checking for $ac_hdr" >&5
|
||||
if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
|
||||
echo $ac_n "(cached) $ac_c" 1>&6
|
||||
else
|
||||
cat > conftest.$ac_ext <<EOF
|
||||
#line 1583 "configure"
|
||||
#line 1598 "configure"
|
||||
#include "confdefs.h"
|
||||
#include <$ac_hdr>
|
||||
EOF
|
||||
ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
|
||||
{ (eval echo configure:1588: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
|
||||
{ (eval echo configure:1603: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
|
||||
ac_err=`grep -v '^ *+' conftest.out`
|
||||
if test -z "$ac_err"; then
|
||||
rm -rf conftest*
|
||||
|
|
|
|||
|
|
@ -6,7 +6,7 @@ AC_INIT(Makefile.in)
|
|||
SIM_AC_COMMON
|
||||
|
||||
SIM_AC_OPTION_ENDIAN(LITTLE_ENDIAN)
|
||||
SIM_AC_OPTION_ALIGNMENT(,NONSTRICT_ALIGNMENT)
|
||||
SIM_AC_OPTION_ALIGNMENT(NONSTRICT_ALIGNMENT)
|
||||
SIM_AC_OPTION_HOSTENDIAN
|
||||
SIM_AC_OPTION_WARNINGS
|
||||
SIM_AC_OPTION_RESERVED_BITS
|
||||
|
|
|
|||
Loading…
Reference in New Issue