[ViewVC] Diff of: cebix/SheepShaver/src/Unix/configure.ac

Comparing SheepShaver/src/Unix/configure.ac (file contents):
Revision 1.24 by gbeauche, 2005-06-14T06:32:52Z vs.
Revision 1.28 by gbeauche, 2005-06-22T16:38:15Z

+AC_CHECK_FUNCS(sigaction signal)
+AC_CHECK_FUNCS(mmap mprotect munmap)
+AC_CHECK_FUNCS(vm_allocate vm_deallocate vm_protect)
-<
+AC_CHECK_FUNCS(posix_memalign memalign valloc)
-<
+AC_CHECK_FUNCS(exp2f log2f exp2 log2 trunc)
->
+AC_CHECK_FUNCS(exp2f log2f exp2 log2)
->
+AC_CHECK_FUNCS(floorf roundf ceilf truncf floor round ceil trunc)
+dnl Darwin seems to define mach_task_self() instead of task_self().
+AC_CHECK_FUNCS(mach_task_self task_self)
+fi
+AC_MSG_RESULT($WANT_ADDRESSING_MODE)
-+
+dnl Utility macro used by next two tests.
-+
+dnl AC_EXAMINE_OBJECT(C source code,
-+
+dnl     commands examining object file,
-+
+dnl     [commands to run if compile failed]):
-+
+dnl
-+
+dnl Compile the source code to an object file; then convert it into a
-+
+dnl printable representation.  All unprintable characters and
-+
+dnl asterisks (*) are replaced by dots (.).  All white space is
-+
+dnl deleted.  Newlines (ASCII 0x10) in the input are preserved in the
-+
+dnl output, but runs of newlines are compressed to a single newline.
-+
+dnl Finally, line breaks are forcibly inserted so that no line is
-+
+dnl longer than 80 columns and the file ends with a newline.  The
-+
+dnl result of all this processing is in the file conftest.dmp, which
-+
+dnl may be examined by the commands in the second argument.
-+
+dnl
-+
+AC_DEFUN([gcc_AC_EXAMINE_OBJECT],
-+
+[AC_LANG_SAVE
-+
+AC_LANG_C
-+
+dnl Next bit cribbed from AC_TRY_COMPILE.
-+
+cat > conftest.$ac_ext <<EOF
-+
+[#line __oline__ "configure"
-+
+#include "confdefs.h"
-+
+$1
-+
+]EOF
-+
+if AC_TRY_EVAL(ac_compile); then
-+
+  od -c conftest.o |
-+
+    sed ['s/^[0-7]*[    ]*/ /
-+
+          s/\*/./g
-+
+          s/ \\n/*/g
-+
+          s/ [0-9][0-9][0-9]/./g
-+
+          s/  \\[^ ]/./g'] |
-+
+    tr -d '
-+
+ ' | tr -s '*' '
-+
+' | fold | sed '$a\
-+
+' > conftest.dmp
-+
+  $2
-+
+ifelse($3, , , else
-+
+  $3
-+
+)dnl
-+
+fi
-+
+rm -rf conftest*
-+
+AC_LANG_RESTORE])
-+
-+
+dnl Floating point format probe.
-+
+dnl The basic concept is the same as the above: grep the object
-+
+dnl file for an interesting string.  We have to watch out for
-+
+dnl rounding changing the values in the object, however; this is
-+
+dnl handled by ignoring the least significant byte of the float.
-+
+dnl
-+
+dnl Does not know about VAX G-float or C4x idiosyncratic format.
-+
+dnl It does know about PDP-10 idiosyncratic format, but this is
-+
+dnl not presently supported by GCC.  S/390 "binary floating point"
-+
+dnl is in fact IEEE (but maybe we should have that in EBCDIC as well
-+
+dnl as ASCII?)
-+
+dnl
-+
+AC_DEFUN([gcc_AC_C_FLOAT_FORMAT],
-+
+[AC_CACHE_CHECK(floating point format, ac_cv_c_float_format,
-+
+[gcc_AC_EXAMINE_OBJECT(
-+
+[/* This will not work unless sizeof(double) == 8.  */
-+
+extern char sizeof_double_must_be_8 [sizeof(double) == 8 ? 1 : -1];
-+
-+
+/* This structure must have no internal padding.  */
-+
+struct possibility {
-+
+  char prefix[8];
-+
+  double candidate;
-+
+  char postfix[8];
-+
+};
-+
-+
+#define C(cand) { "\nformat:", cand, ":tamrof\n" }
-+
+struct possibility table [] =
-+
+{
-+
+  C( 3.25724264705901305206e+01), /* @@IEEEFP - IEEE 754 */
-+
+  C( 3.53802595280598432000e+18), /* D__float - VAX */
-+
+  C( 5.32201830133125317057e-19), /* D.PDP-10 - PDP-10 - the dot is 0x13a */
-+
+  C( 1.77977764695171661377e+10), /* IBMHEXFP - s/390 format, ascii */
-+
+  C(-5.22995989424860458374e+10)  /* IBMHEXFP - s/390 format, EBCDIC */
-+
+};],
-+
+ [if   grep 'format:.@IEEEF.:tamrof' conftest.dmp >/dev/null 2>&1; then
-+
+    ac_cv_c_float_format='IEEE (big-endian)'
-+
+  elif grep 'format:.I@@PFE.:tamrof' conftest.dmp >/dev/null 2>&1; then
-+
+    ac_cv_c_float_format='IEEE (big-endian)'
-+
+  elif grep 'format:.FEEEI@.:tamrof' conftest.dmp >/dev/null 2>&1; then
-+
+    ac_cv_c_float_format='IEEE (little-endian)'
-+
+  elif grep 'format:.EFP@@I.:tamrof' conftest.dmp >/dev/null 2>&1; then
-+
+    ac_cv_c_float_format='IEEE (little-endian)'
-+
+  elif grep 'format:.__floa.:tamrof' conftest.dmp >/dev/null 2>&1; then
-+
+    ac_cv_c_float_format='VAX D-float'
-+
+  elif grep 'format:..PDP-1.:tamrof' conftest.dmp >/dev/null 2>&1; then
-+
+    ac_cv_c_float_format='PDP-10'
-+
+  elif grep 'format:.BMHEXF.:tamrof' conftest.dmp >/dev/null 2>&1; then
-+
+    ac_cv_c_float_format='IBM 370 hex'
-+
+  else
-+
+    AC_MSG_ERROR(Unknown floating point format)
-+
+  fi],
-+
+  [AC_MSG_ERROR(compile failed)])
-+
+])
-+
+# IEEE is the default format.  If the float endianness isn't the same
-+
+# as the integer endianness, we have to set FLOAT_WORDS_BIG_ENDIAN
-+
+# (which is a tristate: yes, no, default).  This is only an issue with
-+
+# IEEE; the other formats are only supported by a few machines each,
-+
+# all with the same endianness.
-+
+format=IEEE_FLOAT_FORMAT
-+
+fbigend=
-+
+case $ac_cv_c_float_format in
-+
+    'IEEE (big-endian)' )
-+
+        if test $ac_cv_c_bigendian = no; then
-+
+            fbigend=1
-+
+        fi
-+
+        ;;
-+
+    'IEEE (little-endian)' )
-+
+        if test $ac_cv_c_bigendian = yes; then
-+
+            fbigend=0
-+
+        fi
-+
+        ;;
-+
+    'VAX D-float' )
-+
+        format=VAX_FLOAT_FORMAT
-+
+        ;;
-+
+    'PDP-10' )
-+
+        format=PDP10_FLOAT_FORMAT
-+
+        ;;
-+
+    'IBM 370 hex' )
-+
+        format=IBM_FLOAT_FORMAT
-+
+        ;;
-+
+esac
-+
+AC_DEFINE_UNQUOTED(HOST_FLOAT_FORMAT, $format,
-+
+  [Define to the floating point format of the host machine.])
-+
+if test -n "$fbigend"; then
-+
+        AC_DEFINE_UNQUOTED(HOST_FLOAT_WORDS_BIG_ENDIAN, $fbigend,
-+
+  [Define to 1 if the host machine stores floating point numbers in
-+
+   memory with the word containing the sign bit at the lowest address,
-+
+   or to 0 if it does it the other way around.
-+
-+
+   This macro should not be defined if the ordering is the same as for
-+
+   multi-word integers.])
-+
+fi
-+
+])
-+
-+
+dnl Check for host float format
-+
+gcc_AC_C_FLOAT_FORMAT
-+
+dnl Platform specific binary postprocessor
+AC_PATH_PROG(BLESS, "true")
+if [[ "x$ac_cv_pagezero_hack" = "xyes" ]]; then
+if [[ "x$EMULATED_PPC" = "xyes" ]]; then
+  CPUSRCS="\
+    ../kpx_cpu/src/mathlib/ieeefp.cpp \
-+
+    ../kpx_cpu/src/mathlib/mathlib.cpp \
+    ../kpx_cpu/src/cpu/ppc/ppc-cpu.cpp \
+    ../kpx_cpu/src/cpu/ppc/ppc-decode.cpp \
+    ../kpx_cpu/src/cpu/ppc/ppc-execute.cpp \
+          done
+        fi
+      fi
-<
+      if [[ -z "$DYNGEN_CC" ]] || ! { echo '#include <limits>' | $DYNGEN_CC -xc++ -c -o /dev/null - >& /dev/null; }; then
->
+      if [[ -z "$DYNGEN_CC" ]]; then
+        ac_cv_use_dyngen=no
+      fi
+    ])
+  AC_CACHE_CHECK([whether static data regions are executable],
+    ac_cv_have_static_data_exec, [
+    AC_TRY_RUN([int main(void) {
-<
+#if defined(__powerpc__)
->
+#if defined(__powerpc__) || defined(__ppc__)
+      static unsigned int p[8] = {0x4e800020,};
+      asm volatile("dcbst 0,%0" : : "r" (p) : "memory");
+      asm volatile("sync" : : : "memory");

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Comparing SheepShaver/src/Unix/configure.ac (file contents): Revision 1.24 by gbeauche, 2005-06-14T06:32:52Z vs. Revision 1.28 by gbeauche, 2005-06-22T16:38:15Z

Diff Legend

Comparing SheepShaver/src/Unix/configure.ac (file contents):
Revision 1.24 by gbeauche, 2005-06-14T06:32:52Z vs.
Revision 1.28 by gbeauche, 2005-06-22T16:38:15Z