diff options
| -rwxr-xr-x | unix/configure | 25 | ||||
| -rw-r--r-- | unix/tcl.m4 | 9 | ||||
| -rwxr-xr-x | win/configure | 5 | ||||
| -rw-r--r-- | win/tcl.m4 | 1 |
4 files changed, 35 insertions, 5 deletions
diff --git a/unix/configure b/unix/configure index 7d41649..e44463a 100755 --- a/unix/configure +++ b/unix/configure @@ -4380,13 +4380,13 @@ echo "${ECHO_T}$tcl_cv_cc_visibility_hidden" >&6 CFLAGS="$CFLAGS -fvisibility=hidden" -else - - cat >>confdefs.h <<\_ACEOF -#define NO_VIZ +#define MODULE_SCOPE extern _ACEOF + +else + hold_cflags=$CFLAGS; CFLAGS="$CFLAGS -Werror" cat >conftest.$ac_ext <<_ACEOF /* confdefs.h. */ @@ -6001,6 +6001,7 @@ cat >>confdefs.h <<\_ACEOF #define MODULE_SCOPE __private_extern__ _ACEOF + tcl_cv_cc_visibility_hidden=yes fi @@ -6873,6 +6874,22 @@ 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" = ""], [ diff --git a/win/configure b/win/configure index 271bc3a..8bc626f 100755 --- a/win/configure +++ b/win/configure @@ -3239,6 +3239,11 @@ echo "${ECHO_T}$CELIB_DIR" >&6 # Set some defaults (may get changed below) EXTRA_CFLAGS="" +cat >>confdefs.h <<\_ACEOF +#define MODULE_SCOPE extern +_ACEOF + + # Extract the first word of "cygpath", so it can be a program name with args. set dummy cygpath; ac_word=$2 echo "$as_me:$LINENO: checking for $ac_word" >&5 @@ -402,6 +402,7 @@ AC_DEFUN([SC_CONFIG_CFLAGS], [ # Set some defaults (may get changed below) EXTRA_CFLAGS="" + AC_DEFINE(MODULE_SCOPE, [extern], [No need to mark inidividual symbols as hidden]) AC_CHECK_PROG(CYGPATH, cygpath, cygpath -w, echo) |