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| author | nijtmans <nijtmans> | 2010-12-13 22:33:09 (GMT) |
|---|---|---|
| committer | nijtmans <nijtmans> | 2010-12-13 22:33:09 (GMT) |
| commit | 93ef2ca8ce830fe5a8a6126835ea3f5d269e2e6c (patch) | |
| tree | 2a927d7f467322e7d1b5dce8fc02c49e157b966a | |
| parent | b8aefcc068ba0ea1d0259b9321757135e1315167 (diff) | |
| download | tcl-93ef2ca8ce830fe5a8a6126835ea3f5d269e2e6c.zip tcl-93ef2ca8ce830fe5a8a6126835ea3f5d269e2e6c.tar.gz tcl-93ef2ca8ce830fe5a8a6126835ea3f5d269e2e6c.tar.bz2 | |
[Bug 3135271] Link error due to hidden symbols (CentOS 4.2)
| -rw-r--r-- | ChangeLog | 3 | ||||
| -rw-r--r-- | generic/tcl.h | 4 | ||||
| -rwxr-xr-x | unix/configure | 5 | ||||
| -rw-r--r-- | unix/tcl.m4 | 1 |
4 files changed, 11 insertions, 2 deletions
@@ -1,5 +1,8 @@ 2010-12-13 Jan Nijtmans <nijtmans@users.sf.net> + * generic/tcl.h: [Bug 3135271] Link error due to hidden + * unix/tcl.m4: symbols (CentOS 4.2) + * unix/configure: (autoconf-2.59) * win/tclPanic.c: Use gcc's __builtin_trap(), when available, to enter the debugger after a panic. * win/tclWinFile.c: Undocumented feature, only meant to be diff --git a/generic/tcl.h b/generic/tcl.h index 2e4b1fc..732b8e8 100644 --- a/generic/tcl.h +++ b/generic/tcl.h @@ -13,7 +13,7 @@ * See the file "license.terms" for information on usage and redistribution of * this file, and for a DISCLAIMER OF ALL WARRANTIES. * - * RCS: @(#) $Id: tcl.h,v 1.309 2010/12/10 21:59:24 nijtmans Exp $ + * RCS: @(#) $Id: tcl.h,v 1.310 2010/12/13 22:33:11 nijtmans Exp $ */ #ifndef _TCL @@ -190,7 +190,7 @@ extern "C" { # endif #else # define DLLIMPORT -# if defined(__GNUC__) && __GNUC__ > 3 +# if defined(__GNUC__) && !defined(NO_VIZ) # define DLLEXPORT __attribute__ ((visibility("default"))) # else # define DLLEXPORT diff --git a/unix/configure b/unix/configure index 816e681..5debd0a 100755 --- a/unix/configure +++ b/unix/configure @@ -6545,6 +6545,11 @@ echo "${ECHO_T}$tcl_cv_cc_visibility_hidden" >&6 else + +cat >>confdefs.h <<\_ACEOF +#define NO_VIZ +_ACEOF + hold_cflags=$CFLAGS; CFLAGS="$CFLAGS -Werror" cat >conftest.$ac_ext <<_ACEOF /* confdefs.h. */ diff --git a/unix/tcl.m4 b/unix/tcl.m4 index cfaffe8..c699535 100644 --- a/unix/tcl.m4 +++ b/unix/tcl.m4 @@ -1056,6 +1056,7 @@ AC_DEFUN([SC_CONFIG_CFLAGS], [ AS_IF([test $tcl_cv_cc_visibility_hidden = yes], [ CFLAGS="$CFLAGS -fvisibility=hidden" ], [ + AC_DEFINE(NO_VIZ, [], [No visibility attribute]) hold_cflags=$CFLAGS; CFLAGS="$CFLAGS -Werror" AC_TRY_LINK([ extern __attribute__((__visibility__("hidden"))) void f(void); |