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-rw-r--r--unix/tcl.m413
1 files changed, 12 insertions, 1 deletions
diff --git a/unix/tcl.m4 b/unix/tcl.m4
index d6565a7..f3d9f1b 100644
--- a/unix/tcl.m4
+++ b/unix/tcl.m4
@@ -1341,7 +1341,7 @@ dnl AC_CHECK_TOOL(AR, ar)
#CFLAGS_OPTIMIZE="${CFLAGS_OPTIMIZE} -D__NO_STRING_INLINES -D__NO_MATH_INLINES"
if test "$have_dl" = yes; then
- SHLIB_LD="${CC} -shared"
+ SHLIB_LD='${CC} -shared ${CFLAGS} ${LDFLAGS}'
DL_OBJS="tclLoadDl.o"
DL_LIBS="-ldl"
LDFLAGS="$LDFLAGS -Wl,--export-dynamic"
@@ -1358,6 +1358,17 @@ 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