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authorAndrew Waterman <waterman@cs.berkeley.edu>2016-02-07 17:24:59 -0800
committerAndrew Waterman <waterman@cs.berkeley.edu>2016-03-02 12:15:25 -0800
commitdd1913e777f97188b0d52318bcd5914a8ba67a12 (patch)
tree15fcc7c4cfc7729c5063ff5724e08380bc0714a5 /configure
parent0d5bd9e810db2f2eafaed3de472ac1130501fd41 (diff)
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Add autoconf check for little-endianness
Diffstat (limited to 'configure')
-rwxr-xr-xconfigure951
1 files changed, 686 insertions, 265 deletions
diff --git a/configure b/configure
index 976f4ae..ca6fd5d 100755
--- a/configure
+++ b/configure
@@ -586,13 +586,46 @@ PACKAGE_BUGREPORT='Andrew Waterman'
PACKAGE_URL=''
ac_unique_file="riscv/common.h"
+# Factoring default headers for most tests.
+ac_includes_default="\
+#include <stdio.h>
+#ifdef HAVE_SYS_TYPES_H
+# include <sys/types.h>
+#endif
+#ifdef HAVE_SYS_STAT_H
+# include <sys/stat.h>
+#endif
+#ifdef STDC_HEADERS
+# include <stdlib.h>
+# include <stddef.h>
+#else
+# ifdef HAVE_STDLIB_H
+# include <stdlib.h>
+# endif
+#endif
+#ifdef HAVE_STRING_H
+# if !defined STDC_HEADERS && defined HAVE_MEMORY_H
+# include <memory.h>
+# endif
+# include <string.h>
+#endif
+#ifdef HAVE_STRINGS_H
+# include <strings.h>
+#endif
+#ifdef HAVE_INTTYPES_H
+# include <inttypes.h>
+#endif
+#ifdef HAVE_STDINT_H
+# include <stdint.h>
+#endif
+#ifdef HAVE_UNISTD_H
+# include <unistd.h>
+#endif"
+
ac_subst_vars='LTLIBOBJS
LIBOBJS
subprojects_enabled
subprojects
-EGREP
-GREP
-CXXCPP
stow
INSTALL_DATA
INSTALL_SCRIPT
@@ -600,6 +633,9 @@ INSTALL_PROGRAM
STOW_PREFIX
STOW_ROOT
enable_stow
+EGREP
+GREP
+CXXCPP
RANLIB
AR
ac_ct_CXX
@@ -678,9 +714,9 @@ CPPFLAGS
CXX
CXXFLAGS
CCC
+CXXCPP
STOW_ROOT
-STOW_PREFIX
-CXXCPP'
+STOW_PREFIX'
# Initialize some variables set by options.
@@ -1316,9 +1352,9 @@ Some influential environment variables:
you have headers in a nonstandard directory <include dir>
CXX C++ compiler command
CXXFLAGS C++ compiler flags
+ CXXCPP C++ preprocessor
STOW_ROOT Root for non-native stow-based installs
STOW_PREFIX Prefix for stow-based installs
- CXXCPP C++ preprocessor
Use these variables to override the choices made by `configure' or to help
it to find libraries and programs with nonstandard names/locations.
@@ -1476,6 +1512,48 @@ fi
} # ac_fn_cxx_try_compile
+# ac_fn_cxx_try_run LINENO
+# ------------------------
+# Try to link conftest.$ac_ext, and return whether this succeeded. Assumes
+# that executables *can* be run.
+ac_fn_cxx_try_run ()
+{
+ as_lineno=${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; ${as_lineno_stack:+:} unset as_lineno
+ as_fn_set_status $ac_retval
+
+} # ac_fn_cxx_try_run
+
# ac_fn_cxx_try_cpp LINENO
# ------------------------
# Try to preprocess conftest.$ac_ext, and return whether this succeeded.
@@ -1513,47 +1591,36 @@ fi
} # ac_fn_cxx_try_cpp
-# ac_fn_cxx_try_run LINENO
-# ------------------------
-# Try to link conftest.$ac_ext, and return whether this succeeded. Assumes
-# that executables *can* be run.
-ac_fn_cxx_try_run ()
+# ac_fn_cxx_check_header_compile LINENO HEADER VAR INCLUDES
+# ---------------------------------------------------------
+# Tests whether HEADER exists and can be compiled using the include files in
+# INCLUDES, setting the cache variable VAR accordingly.
+ac_fn_cxx_check_header_compile ()
{
as_lineno=${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
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $2" >&5
+$as_echo_n "checking for $2... " >&6; }
+if eval \${$3+:} false; then :
+ $as_echo_n "(cached) " >&6
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
+ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+$4
+#include <$2>
+_ACEOF
+if ac_fn_cxx_try_compile "$LINENO"; then :
+ eval "$3=yes"
+else
+ eval "$3=no"
fi
- rm -rf conftest.dSYM conftest_ipa8_conftest.oo
+rm -f core conftest.err conftest.$ac_objext 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; ${as_lineno_stack:+:} unset as_lineno
- as_fn_set_status $ac_retval
-} # ac_fn_cxx_try_run
+} # ac_fn_cxx_check_header_compile
# ac_fn_cxx_try_link LINENO
# -------------------------
@@ -3295,230 +3362,6 @@ else
fi
-#-------------------------------------------------------------------------
-# MCPPBS specific program checks
-#-------------------------------------------------------------------------
-# These macros check to see if we can do a stow-based install and also
-# check for an isa simulator suitable for running the unit test programs
-# via the makefile.
-
-# Find a good install program. We prefer a C program (faster),
-# so one script is as good as another. But avoid the broken or
-# incompatible versions:
-# SysV /etc/install, /usr/sbin/install
-# SunOS /usr/etc/install
-# IRIX /sbin/install
-# AIX /bin/install
-# AmigaOS /C/install, which installs bootblocks on floppy discs
-# AIX 4 /usr/bin/installbsd, which doesn't work without a -g flag
-# AFS /usr/afsws/bin/install, which mishandles nonexistent args
-# SVR4 /usr/ucb/install, which tries to use the nonexistent group "staff"
-# OS/2's system install, which has a completely different semantic
-# ./install, which can be erroneously created by make from ./install.sh.
-# Reject install programs that cannot install multiple files.
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for a BSD-compatible install" >&5
-$as_echo_n "checking for a BSD-compatible install... " >&6; }
-if test -z "$INSTALL"; then
-if ${ac_cv_path_install+:} false; then :
- $as_echo_n "(cached) " >&6
-else
- as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
-for as_dir in $PATH
-do
- IFS=$as_save_IFS
- test -z "$as_dir" && as_dir=.
- # Account for people who put trailing slashes in PATH elements.
-case $as_dir/ in #((
- ./ | .// | /[cC]/* | \
- /etc/* | /usr/sbin/* | /usr/etc/* | /sbin/* | /usr/afsws/bin/* | \
- ?:[\\/]os2[\\/]install[\\/]* | ?:[\\/]OS2[\\/]INSTALL[\\/]* | \
- /usr/ucb/* ) ;;
- *)
- # OSF1 and SCO ODT 3.0 have their own names for install.
- # Don't use installbsd from OSF since it installs stuff as root
- # by default.
- for ac_prog in ginstall scoinst install; do
- for ac_exec_ext in '' $ac_executable_extensions; do
- if as_fn_executable_p "$as_dir/$ac_prog$ac_exec_ext"; then
- if test $ac_prog = install &&
- grep dspmsg "$as_dir/$ac_prog$ac_exec_ext" >/dev/null 2>&1; then
- # AIX install. It has an incompatible calling convention.
- :
- elif test $ac_prog = install &&
- grep pwplus "$as_dir/$ac_prog$ac_exec_ext" >/dev/null 2>&1; then
- # program-specific install script used by HP pwplus--don't use.
- :
- else
- rm -rf conftest.one conftest.two conftest.dir
- echo one > conftest.one
- echo two > conftest.two
- mkdir conftest.dir
- if "$as_dir/$ac_prog$ac_exec_ext" -c conftest.one conftest.two "`pwd`/conftest.dir" &&
- test -s conftest.one && test -s conftest.two &&
- test -s conftest.dir/conftest.one &&
- test -s conftest.dir/conftest.two
- then
- ac_cv_path_install="$as_dir/$ac_prog$ac_exec_ext -c"
- break 3
- fi
- fi
- fi
- done
- done
- ;;
-esac
-
- done
-IFS=$as_save_IFS
-
-rm -rf conftest.one conftest.two conftest.dir
-
-fi
- if test "${ac_cv_path_install+set}" = set; then
- INSTALL=$ac_cv_path_install
- else
- # As a last resort, use the slow shell script. Don't cache a
- # value for INSTALL within a source directory, because that will
- # break other packages using the cache if that directory is
- # removed, or if the value is a relative name.
- INSTALL=$ac_install_sh
- fi
-fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $INSTALL" >&5
-$as_echo "$INSTALL" >&6; }
-
-# Use test -z because SunOS4 sh mishandles braces in ${var-val}.
-# It thinks the first close brace ends the variable substitution.
-test -z "$INSTALL_PROGRAM" && INSTALL_PROGRAM='${INSTALL}'
-
-test -z "$INSTALL_SCRIPT" && INSTALL_SCRIPT='${INSTALL}'
-
-test -z "$INSTALL_DATA" && INSTALL_DATA='${INSTALL} -m 644'
-
-
-
- # Configure command line option
-
- # Check whether --enable-stow was given.
-if test "${enable_stow+set}" = set; then :
- enableval=$enable_stow; enable_stow="yes"
-else
- enable_stow="no"
-fi
-
-
-
-
- # Environment variables
-
-
-
-
- # Check for install script
-
-
-
- # Deterimine if native build and set prefix appropriately
-
- if test ${enable_stow} = "yes" ; then :
-
- for ac_prog in stow
-do
- # Extract the first word of "$ac_prog", so it can be a program name with args.
-set dummy $ac_prog; ac_word=$2
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
-$as_echo_n "checking for $ac_word... " >&6; }
-if ${ac_cv_prog_stow+:} false; then :
- $as_echo_n "(cached) " >&6
-else
- if test -n "$stow"; then
- ac_cv_prog_stow="$stow" # Let the user override the test.
-else
-as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
-for as_dir in $PATH
-do
- IFS=$as_save_IFS
- test -z "$as_dir" && as_dir=.
- for ac_exec_ext in '' $ac_executable_extensions; do
- if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
- ac_cv_prog_stow="$ac_prog"
- $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
- break 2
- fi
-done
- done
-IFS=$as_save_IFS
-
-fi
-fi
-stow=$ac_cv_prog_stow
-if test -n "$stow"; then
- { $as_echo "$as_me:${as_lineno-$LINENO}: result: $stow" >&5
-$as_echo "$stow" >&6; }
-else
- { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
-fi
-
-
- test -n "$stow" && break
-done
-test -n "$stow" || stow="no"
-
- if test ${stow} = "no" ; then :
-
- as_fn_error $? "Cannot use --enable-stow since stow is not available" "$LINENO" 5
-
-fi
-
- # Check if native or non-native build
-
- if test "${build}" = "${host}" ; then :
-
-
- # build == host so this is a native build. Make sure --prefix not
- # set and $STOW_PREFIX is set, then set prefix=$STOW_PREFIX.
-
- if test "${prefix}" = "NONE" && test -n "${STOW_PREFIX}" ; then :
-
- prefix="${STOW_PREFIX}"
- { $as_echo "$as_me:${as_lineno-$LINENO}: Using \$STOW_PREFIX from environment" >&5
-$as_echo "$as_me: Using \$STOW_PREFIX from environment" >&6;}
- { $as_echo "$as_me:${as_lineno-$LINENO}: prefix=${prefix}" >&5
-$as_echo "$as_me: prefix=${prefix}" >&6;}
-
-fi
-
-
-else
-
-
- # build != host so this is a non-native build. Make sure --prefix
- # not set and $STOW_ROOT is set, then set
- # prefix=$STOW_ROOT/${host_alias}.
-
- if test "${prefix}" = "NONE" && test -n "${STOW_ROOT}" ; then :
-
- prefix="${STOW_ROOT}/${host_alias}"
- { $as_echo "$as_me:${as_lineno-$LINENO}: Using \$STOW_ROOT from environment" >&5
-$as_echo "$as_me: Using \$STOW_ROOT from environment" >&6;}
- { $as_echo "$as_me:${as_lineno-$LINENO}: prefix=${prefix}" >&5
-$as_echo "$as_me: prefix=${prefix}" >&6;}
-
-fi
-
-
-fi
-
-
-fi
-
-
-
-#-------------------------------------------------------------------------
-# Checks for header files
-#-------------------------------------------------------------------------
-
ac_ext=cpp
ac_cpp='$CXXCPP $CPPFLAGS'
@@ -3896,6 +3739,583 @@ $as_echo "#define STDC_HEADERS 1" >>confdefs.h
fi
+# On IRIX 5.3, sys/types and inttypes.h are conflicting.
+for ac_header in sys/types.h sys/stat.h stdlib.h string.h memory.h strings.h \
+ inttypes.h stdint.h unistd.h
+do :
+ as_ac_Header=`$as_echo "ac_cv_header_$ac_header" | $as_tr_sh`
+ac_fn_cxx_check_header_compile "$LINENO" "$ac_header" "$as_ac_Header" "$ac_includes_default
+"
+if eval test \"x\$"$as_ac_Header"\" = 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 whether byte ordering is bigendian" >&5
+$as_echo_n "checking whether byte ordering is bigendian... " >&6; }
+if ${ac_cv_c_bigendian+:} false; then :
+ $as_echo_n "(cached) " >&6
+else
+ ac_cv_c_bigendian=unknown
+ # See if we're dealing with a universal compiler.
+ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+#ifndef __APPLE_CC__
+ not a universal capable compiler
+ #endif
+ typedef int dummy;
+
+_ACEOF
+if ac_fn_cxx_try_compile "$LINENO"; then :
+
+ # Check for potential -arch flags. It is not universal unless
+ # there are at least two -arch flags with different values.
+ ac_arch=
+ ac_prev=
+ for ac_word in $CC $CFLAGS $CPPFLAGS $LDFLAGS; do
+ if test -n "$ac_prev"; then
+ case $ac_word in
+ i?86 | x86_64 | ppc | ppc64)
+ if test -z "$ac_arch" || test "$ac_arch" = "$ac_word"; then
+ ac_arch=$ac_word
+ else
+ ac_cv_c_bigendian=universal
+ break
+ fi
+ ;;
+ esac
+ ac_prev=
+ elif test "x$ac_word" = "x-arch"; then
+ ac_prev=arch
+ fi
+ done
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+ if test $ac_cv_c_bigendian = unknown; then
+ # See if sys/param.h defines the BYTE_ORDER macro.
+ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+#include <sys/types.h>
+ #include <sys/param.h>
+
+int
+main ()
+{
+#if ! (defined BYTE_ORDER && defined BIG_ENDIAN \
+ && defined LITTLE_ENDIAN && BYTE_ORDER && BIG_ENDIAN \
+ && LITTLE_ENDIAN)
+ bogus endian macros
+ #endif
+
+ ;
+ return 0;
+}
+_ACEOF
+if ac_fn_cxx_try_compile "$LINENO"; then :
+ # It does; now see whether it defined to BIG_ENDIAN or not.
+ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+#include <sys/types.h>
+ #include <sys/param.h>
+
+int
+main ()
+{
+#if BYTE_ORDER != BIG_ENDIAN
+ not big endian
+ #endif
+
+ ;
+ return 0;
+}
+_ACEOF
+if ac_fn_cxx_try_compile "$LINENO"; then :
+ ac_cv_c_bigendian=yes
+else
+ ac_cv_c_bigendian=no
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+ fi
+ if test $ac_cv_c_bigendian = unknown; then
+ # See if <limits.h> defines _LITTLE_ENDIAN or _BIG_ENDIAN (e.g., Solaris).
+ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+#include <limits.h>
+
+int
+main ()
+{
+#if ! (defined _LITTLE_ENDIAN || defined _BIG_ENDIAN)
+ bogus endian macros
+ #endif
+
+ ;
+ return 0;
+}
+_ACEOF
+if ac_fn_cxx_try_compile "$LINENO"; then :
+ # It does; now see whether it defined to _BIG_ENDIAN or not.
+ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+#include <limits.h>
+
+int
+main ()
+{
+#ifndef _BIG_ENDIAN
+ not big endian
+ #endif
+
+ ;
+ return 0;
+}
+_ACEOF
+if ac_fn_cxx_try_compile "$LINENO"; then :
+ ac_cv_c_bigendian=yes
+else
+ ac_cv_c_bigendian=no
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+ fi
+ if test $ac_cv_c_bigendian = unknown; then
+ # Compile a test program.
+ if test "$cross_compiling" = yes; then :
+ # Try to guess by grepping values from an object file.
+ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+short int ascii_mm[] =
+ { 0x4249, 0x4765, 0x6E44, 0x6961, 0x6E53, 0x7953, 0 };
+ short int ascii_ii[] =
+ { 0x694C, 0x5454, 0x656C, 0x6E45, 0x6944, 0x6E61, 0 };
+ int use_ascii (int i) {
+ return ascii_mm[i] + ascii_ii[i];
+ }
+ short int ebcdic_ii[] =
+ { 0x89D3, 0xE3E3, 0x8593, 0x95C5, 0x89C4, 0x9581, 0 };
+ short int ebcdic_mm[] =
+ { 0xC2C9, 0xC785, 0x95C4, 0x8981, 0x95E2, 0xA8E2, 0 };
+ int use_ebcdic (int i) {
+ return ebcdic_mm[i] + ebcdic_ii[i];
+ }
+ extern int foo;
+
+int
+main ()
+{
+return use_ascii (foo) == use_ebcdic (foo);
+ ;
+ return 0;
+}
+_ACEOF
+if ac_fn_cxx_try_compile "$LINENO"; then :
+ if grep BIGenDianSyS conftest.$ac_objext >/dev/null; then
+ ac_cv_c_bigendian=yes
+ fi
+ if grep LiTTleEnDian conftest.$ac_objext >/dev/null ; then
+ if test "$ac_cv_c_bigendian" = unknown; then
+ ac_cv_c_bigendian=no
+ else
+ # finding both strings is unlikely to happen, but who knows?
+ ac_cv_c_bigendian=unknown
+ fi
+ fi
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+else
+ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+$ac_includes_default
+int
+main ()
+{
+
+ /* Are we little or big endian? From Harbison&Steele. */
+ union
+ {
+ long int l;
+ char c[sizeof (long int)];
+ } u;
+ u.l = 1;
+ return u.c[sizeof (long int) - 1] == 1;
+
+ ;
+ return 0;
+}
+_ACEOF
+if ac_fn_cxx_try_run "$LINENO"; then :
+ ac_cv_c_bigendian=no
+else
+ ac_cv_c_bigendian=yes
+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: $ac_cv_c_bigendian" >&5
+$as_echo "$ac_cv_c_bigendian" >&6; }
+ case $ac_cv_c_bigendian in #(
+ yes)
+ as_fn_error $? "Spike requires a little-endian host" "$LINENO" 5;; #(
+ no)
+ ;; #(
+ universal)
+
+$as_echo "#define AC_APPLE_UNIVERSAL_BUILD 1" >>confdefs.h
+
+ ;; #(
+ *)
+ as_fn_error $? "unknown endianness
+ presetting ac_cv_c_bigendian=no (or yes) will help" "$LINENO" 5 ;;
+ esac
+
+
+#-------------------------------------------------------------------------
+# MCPPBS specific program checks
+#-------------------------------------------------------------------------
+# These macros check to see if we can do a stow-based install and also
+# check for an isa simulator suitable for running the unit test programs
+# via the makefile.
+
+# Find a good install program. We prefer a C program (faster),
+# so one script is as good as another. But avoid the broken or
+# incompatible versions:
+# SysV /etc/install, /usr/sbin/install
+# SunOS /usr/etc/install
+# IRIX /sbin/install
+# AIX /bin/install
+# AmigaOS /C/install, which installs bootblocks on floppy discs
+# AIX 4 /usr/bin/installbsd, which doesn't work without a -g flag
+# AFS /usr/afsws/bin/install, which mishandles nonexistent args
+# SVR4 /usr/ucb/install, which tries to use the nonexistent group "staff"
+# OS/2's system install, which has a completely different semantic
+# ./install, which can be erroneously created by make from ./install.sh.
+# Reject install programs that cannot install multiple files.
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for a BSD-compatible install" >&5
+$as_echo_n "checking for a BSD-compatible install... " >&6; }
+if test -z "$INSTALL"; then
+if ${ac_cv_path_install+:} false; then :
+ $as_echo_n "(cached) " >&6
+else
+ as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+ IFS=$as_save_IFS
+ test -z "$as_dir" && as_dir=.
+ # Account for people who put trailing slashes in PATH elements.
+case $as_dir/ in #((
+ ./ | .// | /[cC]/* | \
+ /etc/* | /usr/sbin/* | /usr/etc/* | /sbin/* | /usr/afsws/bin/* | \
+ ?:[\\/]os2[\\/]install[\\/]* | ?:[\\/]OS2[\\/]INSTALL[\\/]* | \
+ /usr/ucb/* ) ;;
+ *)
+ # OSF1 and SCO ODT 3.0 have their own names for install.
+ # Don't use installbsd from OSF since it installs stuff as root
+ # by default.
+ for ac_prog in ginstall scoinst install; do
+ for ac_exec_ext in '' $ac_executable_extensions; do
+ if as_fn_executable_p "$as_dir/$ac_prog$ac_exec_ext"; then
+ if test $ac_prog = install &&
+ grep dspmsg "$as_dir/$ac_prog$ac_exec_ext" >/dev/null 2>&1; then
+ # AIX install. It has an incompatible calling convention.
+ :
+ elif test $ac_prog = install &&
+ grep pwplus "$as_dir/$ac_prog$ac_exec_ext" >/dev/null 2>&1; then
+ # program-specific install script used by HP pwplus--don't use.
+ :
+ else
+ rm -rf conftest.one conftest.two conftest.dir
+ echo one > conftest.one
+ echo two > conftest.two
+ mkdir conftest.dir
+ if "$as_dir/$ac_prog$ac_exec_ext" -c conftest.one conftest.two "`pwd`/conftest.dir" &&
+ test -s conftest.one && test -s conftest.two &&
+ test -s conftest.dir/conftest.one &&
+ test -s conftest.dir/conftest.two
+ then
+ ac_cv_path_install="$as_dir/$ac_prog$ac_exec_ext -c"
+ break 3
+ fi
+ fi
+ fi
+ done
+ done
+ ;;
+esac
+
+ done
+IFS=$as_save_IFS
+
+rm -rf conftest.one conftest.two conftest.dir
+
+fi
+ if test "${ac_cv_path_install+set}" = set; then
+ INSTALL=$ac_cv_path_install
+ else
+ # As a last resort, use the slow shell script. Don't cache a
+ # value for INSTALL within a source directory, because that will
+ # break other packages using the cache if that directory is
+ # removed, or if the value is a relative name.
+ INSTALL=$ac_install_sh
+ fi
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $INSTALL" >&5
+$as_echo "$INSTALL" >&6; }
+
+# Use test -z because SunOS4 sh mishandles braces in ${var-val}.
+# It thinks the first close brace ends the variable substitution.
+test -z "$INSTALL_PROGRAM" && INSTALL_PROGRAM='${INSTALL}'
+
+test -z "$INSTALL_SCRIPT" && INSTALL_SCRIPT='${INSTALL}'
+
+test -z "$INSTALL_DATA" && INSTALL_DATA='${INSTALL} -m 644'
+
+
+
+ # Configure command line option
+
+ # Check whether --enable-stow was given.
+if test "${enable_stow+set}" = set; then :
+ enableval=$enable_stow; enable_stow="yes"
+else
+ enable_stow="no"
+fi
+
+
+
+
+ # Environment variables
+
+
+
+
+ # Check for install script
+
+
+
+ # Deterimine if native build and set prefix appropriately
+
+ if test ${enable_stow} = "yes" ; then :
+
+ for ac_prog in stow
+do
+ # Extract the first word of "$ac_prog", so it can be a program name with args.
+set dummy $ac_prog; ac_word=$2
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+$as_echo_n "checking for $ac_word... " >&6; }
+if ${ac_cv_prog_stow+:} false; then :
+ $as_echo_n "(cached) " >&6
+else
+ if test -n "$stow"; then
+ ac_cv_prog_stow="$stow" # Let the user override the test.
+else
+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+ IFS=$as_save_IFS
+ test -z "$as_dir" && as_dir=.
+ for ac_exec_ext in '' $ac_executable_extensions; do
+ if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
+ ac_cv_prog_stow="$ac_prog"
+ $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
+ break 2
+ fi
+done
+ done
+IFS=$as_save_IFS
+
+fi
+fi
+stow=$ac_cv_prog_stow
+if test -n "$stow"; then
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: $stow" >&5
+$as_echo "$stow" >&6; }
+else
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+fi
+
+
+ test -n "$stow" && break
+done
+test -n "$stow" || stow="no"
+
+ if test ${stow} = "no" ; then :
+
+ as_fn_error $? "Cannot use --enable-stow since stow is not available" "$LINENO" 5
+
+fi
+
+ # Check if native or non-native build
+
+ if test "${build}" = "${host}" ; then :
+
+
+ # build == host so this is a native build. Make sure --prefix not
+ # set and $STOW_PREFIX is set, then set prefix=$STOW_PREFIX.
+
+ if test "${prefix}" = "NONE" && test -n "${STOW_PREFIX}" ; then :
+
+ prefix="${STOW_PREFIX}"
+ { $as_echo "$as_me:${as_lineno-$LINENO}: Using \$STOW_PREFIX from environment" >&5
+$as_echo "$as_me: Using \$STOW_PREFIX from environment" >&6;}
+ { $as_echo "$as_me:${as_lineno-$LINENO}: prefix=${prefix}" >&5
+$as_echo "$as_me: prefix=${prefix}" >&6;}
+
+fi
+
+
+else
+
+
+ # build != host so this is a non-native build. Make sure --prefix
+ # not set and $STOW_ROOT is set, then set
+ # prefix=$STOW_ROOT/${host_alias}.
+
+ if test "${prefix}" = "NONE" && test -n "${STOW_ROOT}" ; then :
+
+ prefix="${STOW_ROOT}/${host_alias}"
+ { $as_echo "$as_me:${as_lineno-$LINENO}: Using \$STOW_ROOT from environment" >&5
+$as_echo "$as_me: Using \$STOW_ROOT from environment" >&6;}
+ { $as_echo "$as_me:${as_lineno-$LINENO}: prefix=${prefix}" >&5
+$as_echo "$as_me: prefix=${prefix}" >&6;}
+
+fi
+
+
+fi
+
+
+fi
+
+
+
+#-------------------------------------------------------------------------
+# Checks for header files
+#-------------------------------------------------------------------------
+
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for ANSI C header files" >&5
+$as_echo_n "checking for ANSI C header files... " >&6; }
+if ${ac_cv_header_stdc+:} false; 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_cxx_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.$ac_ext
+/* end confdefs.h. */
+#include <ctype.h>
+#include <stdlib.h>
+#if ((' ' & 0x0FF) == 0x020)
+# define ISLOWER(c) ('a' <= (c) && (c) <= 'z')
+# define TOUPPER(c) (ISLOWER(c) ? 'A' + ((c) - 'a') : (c))
+#else
+# define ISLOWER(c) \
+ (('a' <= (c) && (c) <= 'i') \
+ || ('j' <= (c) && (c) <= 'r') \
+ || ('s' <= (c) && (c) <= 'z'))
+# define TOUPPER(c) (ISLOWER(c) ? ((c) | 0x40) : (c))
+#endif
+
+#define XOR(e, f) (((e) && !(f)) || (!(e) && (f)))
+int
+main ()
+{
+ int i;
+ for (i = 0; i < 256; i++)
+ if (XOR (islower (i), ISLOWER (i))
+ || toupper (i) != TOUPPER (i))
+ return 2;
+ return 0;
+}
+_ACEOF
+if ac_fn_cxx_try_run "$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
+
#-------------------------------------------------------------------------
# Default compiler flags
@@ -4453,6 +4873,7 @@ LTLIBOBJS=$ac_ltlibobjs
+
: "${CONFIG_STATUS=./config.status}"
ac_write_fail=0
ac_clean_files_save=$ac_clean_files