From 34b340a08e9e56163ab6cff06189b071bd1937f3 Mon Sep 17 00:00:00 2001 From: =?utf8?q?V=C3=A1clav=20Slav=C3=ADk?= Date: Tue, 7 Aug 2007 21:13:11 +0000 Subject: [PATCH 1/1] the Ubuntu visibility bug only happens when building shared libraries on some systems, use -shared when testing for it git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@47937 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775 --- build/aclocal/visibility.m4 | 8 ++++++-- configure | 8 ++++++-- 2 files changed, 12 insertions(+), 4 deletions(-) diff --git a/build/aclocal/visibility.m4 b/build/aclocal/visibility.m4 index 35a9ea0241..0f02567b9c 100644 --- a/build/aclocal/visibility.m4 +++ b/build/aclocal/visibility.m4 @@ -66,19 +66,23 @@ AC_DEFUN([WX_VISIBILITY], AC_MSG_CHECKING([for broken libstdc++ visibility]) AC_CACHE_VAL(wx_cv_cc_broken_libstdcxx_visibility, [ wx_save_CXXFLAGS="$CXXFLAGS" + wx_save_LDFLAGS="$LDFLAGS" CXXFLAGS="$CXXFLAGS $CXXFLAGS_VISIBILITY" + LDFLAGS="$LDFLAGS -shared -fPIC" AC_LANG_PUSH(C++) AC_TRY_LINK( [ #include ], [ - std::string x; + std::string s("hello"); + return s.length(); ], wx_cv_cc_broken_libstdcxx_visibility=no, wx_cv_cc_broken_libstdcxx_visibility=yes) AC_LANG_POP() - CXXFLAGS="$wx_save_CXXFLAGS"]) + CXXFLAGS="$wx_save_CXXFLAGS" + LDFLAGS="$wx_save_LDFLAGS"]) AC_MSG_RESULT([$wx_cv_cc_broken_libstdcxx_visibility]) if test $wx_cv_cc_broken_libstdcxx_visibility = yes; then AC_DEFINE([HAVE_BROKEN_LIBSTDCXX_VISIBILITY]) diff --git a/configure b/configure index f5d86be552..e0df6cb0fc 100755 --- a/configure +++ b/configure @@ -1,5 +1,5 @@ #! /bin/sh -# From configure.in Id: configure.in 47918 2007-08-07 01:23:34Z VZ . +# From configure.in Id: configure.in 47919 2007-08-07 01:38:18Z VZ . # Guess values for system-dependent variables and create Makefiles. # Generated by GNU Autoconf 2.61 for wxWidgets 2.9.0. # @@ -36209,7 +36209,9 @@ echo $ECHO_N "checking for broken libstdc++ visibility... $ECHO_C" >&6; } else wx_save_CXXFLAGS="$CXXFLAGS" + wx_save_LDFLAGS="$LDFLAGS" CXXFLAGS="$CXXFLAGS $CXXFLAGS_VISIBILITY" + LDFLAGS="$LDFLAGS -shared -fPIC" ac_ext=cpp ac_cpp='$CXXCPP $CPPFLAGS' ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5' @@ -36229,7 +36231,8 @@ int main () { - std::string x; + std::string s("hello"); + return s.length(); ; return 0; @@ -36270,6 +36273,7 @@ ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $ ac_compiler_gnu=$ac_cv_c_compiler_gnu CXXFLAGS="$wx_save_CXXFLAGS" + LDFLAGS="$wx_save_LDFLAGS" fi { echo "$as_me:$LINENO: result: $wx_cv_cc_broken_libstdcxx_visibility" >&5 -- 2.47.2