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-rwxr-xr-xunix/configure22
-rw-r--r--unix/tcl.m49
2 files changed, 30 insertions, 1 deletions
diff --git a/unix/configure b/unix/configure
index 9fbb864..8701f7e 100755
--- a/unix/configure
+++ b/unix/configure
@@ -6543,6 +6543,11 @@ echo "${ECHO_T}$tcl_cv_cc_visibility_hidden" >&6
CFLAGS="$CFLAGS -fvisibility=hidden"
+cat >>confdefs.h <<\_ACEOF
+#define MODULE_SCOPE extern
+_ACEOF
+
+
else
@@ -8164,6 +8169,7 @@ cat >>confdefs.h <<\_ACEOF
#define MODULE_SCOPE __private_extern__
_ACEOF
+ tcl_cv_cc_visibility_hidden=yes
fi
@@ -9036,6 +9042,22 @@ fi
fi
+ if test "$tcl_cv_cc_visibility_hidden" != yes; then
+
+
+cat >>confdefs.h <<\_ACEOF
+#define MODULE_SCOPE extern
+_ACEOF
+
+
+cat >>confdefs.h <<\_ACEOF
+#define NO_VIZ
+_ACEOF
+
+
+fi
+
+
if test "$SHARED_LIB_SUFFIX" = ""; then
SHARED_LIB_SUFFIX='${VERSION}${SHLIB_SUFFIX}'
diff --git a/unix/tcl.m4 b/unix/tcl.m4
index 9e533f0..8c9eaf0 100644
--- a/unix/tcl.m4
+++ b/unix/tcl.m4
@@ -1055,8 +1055,8 @@ AC_DEFUN([SC_CONFIG_CFLAGS], [
])
AS_IF([test $tcl_cv_cc_visibility_hidden = yes], [
CFLAGS="$CFLAGS -fvisibility=hidden"
+ AC_DEFINE(MODULE_SCOPE, [extern], [No need to mark inidividual symbols as hidden])
], [
- AC_DEFINE(NO_VIZ, [], [No visibility attribute])
hold_cflags=$CFLAGS; CFLAGS="$CFLAGS -Werror"
AC_TRY_LINK([
extern __attribute__((__visibility__("hidden"))) void f(void);
@@ -1663,6 +1663,7 @@ AC_DEFUN([SC_CONFIG_CFLAGS], [
AS_IF([test "$tcl_cv_cc_visibility_hidden" != yes], [
AC_DEFINE(MODULE_SCOPE, [__private_extern__],
[Compiler support for module scope symbols])
+ tcl_cv_cc_visibility_hidden=yes
])
CC_SEARCH_FLAGS=""
LD_SEARCH_FLAGS=""
@@ -2061,6 +2062,12 @@ dnl # preprocessing tests use only CPPFLAGS.
*) SHLIB_CFLAGS="-fPIC" ;;
esac])
+ AS_IF([test "$tcl_cv_cc_visibility_hidden" != yes], [
+ AC_DEFINE(MODULE_SCOPE, [extern],
+ [No Compiler support for module scope symbols])
+ AC_DEFINE(NO_VIZ, [], [No visibility attribute])
+ ])
+
AS_IF([test "$SHARED_LIB_SUFFIX" = ""], [
SHARED_LIB_SUFFIX='${VERSION}${SHLIB_SUFFIX}'])
AS_IF([test "$UNSHARED_LIB_SUFFIX" = ""], [