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authordas <das>2006-11-26 06:05:04 (GMT)
committerdas <das>2006-11-26 06:05:04 (GMT)
commit1e5924cac38af07244b3257657a90cd6aed749f9 (patch)
treece4812e03e69909ff0da014a608eaa9554c4829e /unix
parent53f0f5e9e29ff6ebd929b1d491643311824acdcf (diff)
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* tcl.m4 (Linux): --enable-64bit support. [Patch 1597389], [Bug 1230558]
* configure: autoconf-2.59
Diffstat (limited to 'unix')
-rwxr-xr-xunix/configure66
-rw-r--r--unix/tcl.m413
2 files changed, 77 insertions, 2 deletions
diff --git a/unix/configure b/unix/configure
index e2ce802..c6ec11d 100755
--- a/unix/configure
+++ b/unix/configure
@@ -7091,7 +7091,7 @@ echo "$as_me: WARNING: 64bit mode not supported by gcc" >&2;}
# get rid of the warnings.
#CFLAGS_OPTIMIZE="${CFLAGS_OPTIMIZE} -D__NO_STRING_INLINES -D__NO_MATH_INLINES"
- SHLIB_LD="${CC} -shared"
+ SHLIB_LD='${CC} -shared ${CFLAGS} ${LDFLAGS}'
DL_OBJS="tclLoadDl.o"
DL_LIBS="-ldl"
LDFLAGS="$LDFLAGS -Wl,--export-dynamic"
@@ -7100,6 +7100,70 @@ echo "$as_me: WARNING: 64bit mode not supported by gcc" >&2;}
if test "`uname -m`" = "alpha" ; then
CFLAGS="$CFLAGS -mieee"
fi
+ if test $do64bit = yes; then
+ echo "$as_me:$LINENO: checking if compiler accepts -m64 flag" >&5
+echo $ECHO_N "checking if compiler accepts -m64 flag... $ECHO_C" >&6
+if test "${tcl_cv_cc_m64+set}" = set; then
+ echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+
+ hold_cflags=$CFLAGS
+ CFLAGS="$CFLAGS -m64"
+ cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h. */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h. */
+
+int
+main ()
+{
+
+ ;
+ return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext conftest$ac_exeext
+if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
+ (eval $ac_link) 2>conftest.er1
+ ac_status=$?
+ grep -v '^ *+' conftest.er1 >conftest.err
+ rm -f conftest.er1
+ cat conftest.err >&5
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); } &&
+ { ac_try='test -z "$ac_c_werror_flag"
+ || test ! -s conftest.err'
+ { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+ (eval $ac_try) 2>&5
+ ac_status=$?
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); }; } &&
+ { ac_try='test -s conftest$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 $ac_status); }; }; then
+ tcl_cv_cc_m64=yes
+else
+ echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+tcl_cv_cc_m64=no
+fi
+rm -f conftest.err conftest.$ac_objext \
+ conftest$ac_exeext conftest.$ac_ext
+ CFLAGS=$hold_cflags
+fi
+echo "$as_me:$LINENO: result: $tcl_cv_cc_m64" >&5
+echo "${ECHO_T}$tcl_cv_cc_m64" >&6
+ if test $tcl_cv_cc_m64 = yes; then
+ CFLAGS="$CFLAGS -m64"
+ do64bit_ok=yes
+ fi
+ fi
# The combo of gcc + glibc has a bug related
# to inlining of functions like strtod(). The
diff --git a/unix/tcl.m4 b/unix/tcl.m4
index 8c900dd..ff09cd0 100644
--- a/unix/tcl.m4
+++ b/unix/tcl.m4
@@ -1402,7 +1402,7 @@ dnl AC_CHECK_TOOL(AR, ar)
# get rid of the warnings.
#CFLAGS_OPTIMIZE="${CFLAGS_OPTIMIZE} -D__NO_STRING_INLINES -D__NO_MATH_INLINES"
- SHLIB_LD="${CC} -shared"
+ SHLIB_LD='${CC} -shared ${CFLAGS} ${LDFLAGS}'
DL_OBJS="tclLoadDl.o"
DL_LIBS="-ldl"
LDFLAGS="$LDFLAGS -Wl,--export-dynamic"
@@ -1411,6 +1411,17 @@ dnl AC_CHECK_TOOL(AR, ar)
if test "`uname -m`" = "alpha" ; then
CFLAGS="$CFLAGS -mieee"
fi
+ if test $do64bit = yes; then
+ AC_CACHE_CHECK([if compiler accepts -m64 flag], tcl_cv_cc_m64, [
+ hold_cflags=$CFLAGS
+ CFLAGS="$CFLAGS -m64"
+ AC_TRY_LINK(,, tcl_cv_cc_m64=yes, tcl_cv_cc_m64=no)
+ CFLAGS=$hold_cflags])
+ if test $tcl_cv_cc_m64 = yes; then
+ CFLAGS="$CFLAGS -m64"
+ do64bit_ok=yes
+ fi
+ fi
# The combo of gcc + glibc has a bug related
# to inlining of functions like strtod(). The