[llvm-commits] CVS: llvm/configure
John Criswell
criswell at cs.uiuc.edu
Fri Feb 13 15:58:21 PST 2004
Changes in directory llvm:
configure updated: 1.72 -> 1.73
---
Log message:
Added check for target machine endian-ness and put the result into
Makefile.config (ENDIAN variable is set to big or little).
---
Diffs of the changes: (+205 -1)
Index: llvm/configure
diff -u llvm/configure:1.72 llvm/configure:1.73
--- llvm/configure:1.72 Tue Feb 10 16:36:35 2004
+++ llvm/configure Fri Feb 13 15:56:57 2004
@@ -465,7 +465,7 @@
#endif"
ac_unique_file=""Makefile.config.in""
-ac_subst_vars='SHELL PATH_SEPARATOR PACKAGE_NAME PACKAGE_TARNAME PACKAGE_VERSION PACKAGE_STRING PACKAGE_BUGREPORT exec_prefix prefix program_transform_name bindir sbindir libexecdir datadir sysconfdir sharedstatedir localstatedir libdir includedir oldincludedir infodir mandir build_alias host_alias target_alias DEFS ECHO_C ECHO_N ECHO_T LIBS subdirs INSTALL_PROGRAM INSTALL_SCRIPT INSTALL_DATA build build_cpu build_vendor build_os host host_cpu host_vendor host_os target target_cpu target_vendor target_os OS LLVMGCCDIR ARCH CXX CXXFLAGS LDFLAGS CPPFLAGS ac_ct_CXX EXEEXT OBJEXT CC CFLAGS ac_ct_CC CPP ifGNUmake LEX LEXLIB LEX_OUTPUT_ROOT YACC BISON EGREP LN_S ECHO AR ac_ct_AR RANLIB ac_ct_RANLIB STRIP ac_ct_STRIP CXXCPP F77 FFLAGS ac_ct_F77 LIBTOOL DOT ETAGS ETAGSFLAGS PYTHON QMTEST ALLOCA MMAP_FILE ENABLE_OPTIMIZED SPEC_ROOT USE_SPEC SPEC95_ROOT USE_SPEC95 UPB DISABLE_LLC_DIFFS JIT LLVMCC1 LLVMCC1PLUS BCR PAPIDIR SHLIBEXT LIBOBJS LTLIBOBJS'
+ac_subst_vars='SHELL PATH_SEPARATOR PACKAGE_NAME PACKAGE_TARNAME PACKAGE_VERSION PACKAGE_STRING PACKAGE_BUGREPORT exec_prefix prefix program_transform_name bindir sbindir libexecdir datadir sysconfdir sharedstatedir localstatedir libdir includedir oldincludedir infodir mandir build_alias host_alias target_alias DEFS ECHO_C ECHO_N ECHO_T LIBS subdirs INSTALL_PROGRAM INSTALL_SCRIPT INSTALL_DATA build build_cpu build_vendor build_os host host_cpu host_vendor host_os target target_cpu target_vendor target_os OS LLVMGCCDIR ARCH CXX CXXFLAGS LDFLAGS CPPFLAGS ac_ct_CXX EXEEXT OBJEXT CC CFLAGS ac_ct_CC CPP ifGNUmake LEX LEXLIB LEX_OUTPUT_ROOT YACC BISON EGREP LN_S ECHO AR ac_ct_AR RANLIB ac_ct_RANLIB STRIP ac_ct_STRIP CXXCPP F77 FFLAGS ac_ct_F77 LIBTOOL DOT ETAGS ETAGSFLAGS PYTHON QMTEST ENDIAN ALLOCA MMAP_FILE ENABLE_OPTIMIZED SPEC_ROOT USE_SPEC SPEC95_ROOT USE_SPEC95 UPB DISABLE_LLC_DIFFS JIT LLVMCC1 LLVMCC1PLUS BCR PAPIDIR SHLIBEXT LIBOBJS LTLIBOBJS'
ac_subst_files=''
# Initialize some variables set by options.
@@ -19481,6 +19481,209 @@
fi
+echo "$as_me:$LINENO: checking whether byte ordering is bigendian" >&5
+echo $ECHO_N "checking whether byte ordering is bigendian... $ECHO_C" >&6
+if test "${ac_cv_c_bigendian+set}" = set; then
+ echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+ # See if sys/param.h defines the BYTE_ORDER macro.
+cat >conftest.$ac_ext <<_ACEOF
+#line $LINENO "configure"
+/* confdefs.h. */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h. */
+#include <sys/types.h>
+#include <sys/param.h>
+
+int
+main ()
+{
+#if !BYTE_ORDER || !BIG_ENDIAN || !LITTLE_ENDIAN
+ bogus endian macros
+#endif
+
+ ;
+ return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext
+if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
+ (eval $ac_compile) 2>&5
+ ac_status=$?
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); } &&
+ { ac_try='test -s conftest.$ac_objext'
+ { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+ (eval $ac_try) 2>&5
+ ac_status=$?
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); }; }; then
+ # It does; now see whether it defined to BIG_ENDIAN or not.
+cat >conftest.$ac_ext <<_ACEOF
+#line $LINENO "configure"
+/* confdefs.h. */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h. */
+#include <sys/types.h>
+#include <sys/param.h>
+
+int
+main ()
+{
+#if BYTE_ORDER != BIG_ENDIAN
+ not big endian
+#endif
+
+ ;
+ return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext
+if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
+ (eval $ac_compile) 2>&5
+ ac_status=$?
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); } &&
+ { ac_try='test -s conftest.$ac_objext'
+ { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+ (eval $ac_try) 2>&5
+ ac_status=$?
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); }; }; then
+ ac_cv_c_bigendian=yes
+else
+ echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+ac_cv_c_bigendian=no
+fi
+rm -f conftest.$ac_objext conftest.$ac_ext
+else
+ echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+# It does not; compile a test program.
+if test "$cross_compiling" = yes; then
+ # try to guess the endianness by grepping values into an object file
+ ac_cv_c_bigendian=unknown
+ cat >conftest.$ac_ext <<_ACEOF
+#line $LINENO "configure"
+/* confdefs.h. */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h. */
+short ascii_mm[] = { 0x4249, 0x4765, 0x6E44, 0x6961, 0x6E53, 0x7953, 0 };
+short ascii_ii[] = { 0x694C, 0x5454, 0x656C, 0x6E45, 0x6944, 0x6E61, 0 };
+void _ascii () { char *s = (char *) ascii_mm; s = (char *) ascii_ii; }
+short ebcdic_ii[] = { 0x89D3, 0xE3E3, 0x8593, 0x95C5, 0x89C4, 0x9581, 0 };
+short ebcdic_mm[] = { 0xC2C9, 0xC785, 0x95C4, 0x8981, 0x95E2, 0xA8E2, 0 };
+void _ebcdic () { char *s = (char *) ebcdic_mm; s = (char *) ebcdic_ii; }
+int
+main ()
+{
+ _ascii (); _ebcdic ();
+ ;
+ return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext
+if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
+ (eval $ac_compile) 2>&5
+ ac_status=$?
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); } &&
+ { ac_try='test -s conftest.$ac_objext'
+ { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+ (eval $ac_try) 2>&5
+ ac_status=$?
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); }; }; then
+ if grep BIGenDianSyS conftest.$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
+else
+ echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+fi
+rm -f conftest.$ac_objext conftest.$ac_ext
+else
+ cat >conftest.$ac_ext <<_ACEOF
+#line $LINENO "configure"
+/* confdefs.h. */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h. */
+int
+main ()
+{
+ /* Are we little or big endian? From Harbison&Steele. */
+ union
+ {
+ long l;
+ char c[sizeof (long)];
+ } u;
+ u.l = 1;
+ exit (u.c[sizeof (long) - 1] == 1);
+}
+_ACEOF
+rm -f conftest$ac_exeext
+if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
+ (eval $ac_link) 2>&5
+ ac_status=$?
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); } && { ac_try='./conftest$ac_exeext'
+ { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+ (eval $ac_try) 2>&5
+ ac_status=$?
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); }; }; then
+ ac_cv_c_bigendian=no
+else
+ echo "$as_me: program exited with status $ac_status" >&5
+echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+( exit $ac_status )
+ac_cv_c_bigendian=yes
+fi
+rm -f core core.* *.core gmon.out bb.out conftest$ac_exeext conftest.$ac_objext conftest.$ac_ext
+fi
+fi
+rm -f conftest.$ac_objext conftest.$ac_ext
+fi
+echo "$as_me:$LINENO: result: $ac_cv_c_bigendian" >&5
+echo "${ECHO_T}$ac_cv_c_bigendian" >&6
+case $ac_cv_c_bigendian in
+ yes)
+ ENDIAN=big
+ ;;
+ no)
+ ENDIAN=little
+ ;;
+ *)
+ { { echo "$as_me:$LINENO: error: unknown endianness
+presetting ac_cv_c_bigendian=no (or yes) will help" >&5
+echo "$as_me: error: unknown endianness
+presetting ac_cv_c_bigendian=no (or yes) will help" >&2;}
+ { (exit 1); exit 1; }; } ;;
+esac
+
+
echo "$as_me:$LINENO: checking whether the compiler implements namespaces" >&5
echo $ECHO_N "checking whether the compiler implements namespaces... $ECHO_C" >&6
if test "${ac_cv_cxx_namespaces+set}" = set; then
@@ -22460,6 +22663,7 @@
s, at ETAGSFLAGS@,$ETAGSFLAGS,;t t
s, at PYTHON@,$PYTHON,;t t
s, at QMTEST@,$QMTEST,;t t
+s, at ENDIAN@,$ENDIAN,;t t
s, at ALLOCA@,$ALLOCA,;t t
s, at MMAP_FILE@,$MMAP_FILE,;t t
s, at ENABLE_OPTIMIZED@,$ENABLE_OPTIMIZED,;t t
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