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authornijtmans <nijtmans>2010-03-29 22:31:53 (GMT)
committernijtmans <nijtmans>2010-03-29 22:31:53 (GMT)
commit1800bb7cff79bda28c05c8702f44b3fe5d069716 (patch)
treeeff66796a786683d5d37ecc0e2ada204fa740b21
parent1df0c99376f51c3ea31e38fb947ba43057cafa9a (diff)
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Only test for -visibility=hidden with gcc
(Second remark in [Bug 2976508])
-rw-r--r--ChangeLog6
-rwxr-xr-xunix/configure17
-rw-r--r--unix/tcl.m413
3 files changed, 28 insertions, 8 deletions
diff --git a/ChangeLog b/ChangeLog
index e419e2d..4cd68e5 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,9 @@
+2010-03-29 Jan Nijtmans <nijtmans@users.sf.net>
+
+ * unix/tcl.m4 Only test for -visibility=hidden with gcc
+ (Second remark in [Bug 2976508])
+ * unix/configure regen
+
2010-03-29 Don Porter <dgp@users.sourceforge.net>
* generic/tclStringObj.c: Fix array overrun in test format-1.12
diff --git a/unix/configure b/unix/configure
index d0fcd74..0396443 100755
--- a/unix/configure
+++ b/unix/configure
@@ -6434,8 +6434,10 @@ if test "${tcl_cv_cc_visibility_hidden+set}" = set; then
echo $ECHO_N "(cached) $ECHO_C" >&6
else
- hold_cflags=$CFLAGS; CFLAGS="$CFLAGS -fvisibility=hidden -Werror"
- cat >conftest.$ac_ext <<_ACEOF
+ if test "$GCC" = yes; then
+
+ hold_cflags=$CFLAGS; CFLAGS="$CFLAGS -fvisibility=hidden -Werror"
+ cat >conftest.$ac_ext <<_ACEOF
/* confdefs.h. */
_ACEOF
cat confdefs.h >>conftest.$ac_ext
@@ -6480,7 +6482,15 @@ sed 's/^/| /' conftest.$ac_ext >&5
tcl_cv_cc_visibility_hidden=no
fi
rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
- CFLAGS=$hold_cflags
+ CFLAGS=$hold_cflags
+
+else
+
+ tcl_cv_cc_visibility_hidden=no
+
+fi
+
+
fi
echo "$as_me:$LINENO: result: $tcl_cv_cc_visibility_hidden" >&5
echo "${ECHO_T}$tcl_cv_cc_visibility_hidden" >&6
@@ -6490,7 +6500,6 @@ echo "${ECHO_T}$tcl_cv_cc_visibility_hidden" >&6
else
-
hold_cflags=$CFLAGS; CFLAGS="$CFLAGS -Werror"
cat >conftest.$ac_ext <<_ACEOF
/* confdefs.h. */
diff --git a/unix/tcl.m4 b/unix/tcl.m4
index d6769af..06b6ae6 100644
--- a/unix/tcl.m4
+++ b/unix/tcl.m4
@@ -1052,10 +1052,15 @@ AC_DEFUN([SC_CONFIG_CFLAGS], [
AC_CACHE_CHECK([if compiler supports visibility "hidden"],
tcl_cv_cc_visibility_hidden, [
- hold_cflags=$CFLAGS; CFLAGS="$CFLAGS -fvisibility=hidden -Werror"
- AC_TRY_COMPILE(,, tcl_cv_cc_visibility_hidden=yes,
- tcl_cv_cc_visibility_hidden=no)
- CFLAGS=$hold_cflags])
+ AS_IF([test "$GCC" = yes], [
+ hold_cflags=$CFLAGS; CFLAGS="$CFLAGS -fvisibility=hidden -Werror"
+ AC_TRY_COMPILE(,, tcl_cv_cc_visibility_hidden=yes,
+ tcl_cv_cc_visibility_hidden=no)
+ CFLAGS=$hold_cflags
+ ], [
+ tcl_cv_cc_visibility_hidden=no
+ ])
+ ])
AS_IF([test $tcl_cv_cc_visibility_hidden = yes], [
CFLAGS="$CFLAGS -fvisibility=hidden"
], [