X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/64a044d5a64dd92473b4cc666a6877db78bd37d3..77db639d44f9a72eee90c05a1f8c5635b09bd22b:/configure.in diff --git a/configure.in b/configure.in index 7e7c11a4e3..a402c5825a 100644 --- a/configure.in +++ b/configure.in @@ -94,13 +94,14 @@ NEEDS_D_REENTRANT_FOR_R_FUNCS=0 dnl the list of all available toolkits dnl dnl update NUM_TOOLKITS calculation below when adding a new toolkit here! -ALL_TOOLKITS="COCOA GTK MAC MGL MICROWIN MOTIF MSW PM X11 DFB" +ALL_TOOLKITS="COCOA GTK OSX_CARBON OSX_COCOA MGL MICROWIN MOTIF MSW PM X11 DFB" dnl NB: these wxUSE_XXX constants have value of 0 or 1 unlike all the other ones dnl which are either yes or no DEFAULT_wxUSE_COCOA=0 DEFAULT_wxUSE_GTK=0 -DEFAULT_wxUSE_MAC=0 +DEFAULT_wxUSE_OSX_CARBON=0 +DEFAULT_wxUSE_OSX_COCOA=0 DEFAULT_wxUSE_MGL=0 DEFAULT_wxUSE_MICROWIN=0 DEFAULT_wxUSE_MOTIF=0 @@ -114,7 +115,8 @@ dnl they're used if no --with- options were given to detect the dnl toolkit to use by default for the target platform DEFAULT_DEFAULT_wxUSE_COCOA=0 DEFAULT_DEFAULT_wxUSE_GTK=0 -DEFAULT_DEFAULT_wxUSE_MAC=0 +DEFAULT_DEFAULT_wxUSE_OSX_CARBON=0 +DEFAULT_DEFAULT_wxUSE_OSX_COCOA=0 DEFAULT_DEFAULT_wxUSE_MGL=0 DEFAULT_DEFAULT_wxUSE_MICROWIN=0 DEFAULT_DEFAULT_wxUSE_MOTIF=0 @@ -124,7 +126,6 @@ DEFAULT_DEFAULT_wxUSE_X11=0 DEFAULT_DEFAULT_wxUSE_DFB=0 PROGRAM_EXT= -SO_SUFFIX=so SAMPLES_RPATH_FLAG= SAMPLES_RPATH_POSTLINK= @@ -139,7 +140,6 @@ case "${host}" in USE_HPUX=1 DEFAULT_DEFAULT_wxUSE_MOTIF=1 NEEDS_D_REENTRANT_FOR_R_FUNCS=1 - SO_SUFFIX=sl AC_DEFINE(__HPUX__) dnl many standard declarations in HP-UX headers are only included if either @@ -243,12 +243,6 @@ case "${host}" in USE_AIX=1 USE_SYSV=1 USE_SVR4=1 - dnl quoting from http://www-1.ibm.com/servers/esdd/articles/gnu.html: - dnl - dnl Both archive libraries and shared libraries on AIX have an .a - dnl extension. This will explain why you can't link with an .so and - dnl why it works with the name changed to .a. - SO_SUFFIX=a AC_DEFINE(__AIX__) AC_DEFINE(__SYSV__) AC_DEFINE(__SVR4__) @@ -266,7 +260,6 @@ case "${host}" in dnl MBN: some of the defines have been moved after toolkit detection dnl because for wxMotif/wxGTK/wxX11 to build on Cygwin dnl USE_UNIX must be set and not USE_WIN32 - SO_SUFFIX=dll PROGRAM_EXT=".exe" DEFAULT_DEFAULT_wxUSE_MSW=1 ;; @@ -317,11 +310,10 @@ case "${host}" in dnl Darwin based distributions (including Mac OS X) USE_BSD=1 USE_DARWIN=1 - SO_SUFFIX=dylib AC_DEFINE(__BSD__) AC_DEFINE(__DARWIN__) AC_DEFINE(TARGET_CARBON) - DEFAULT_DEFAULT_wxUSE_MAC=1 + DEFAULT_DEFAULT_wxUSE_OSX_CARBON=1 DEFAULT_STD_FLAG=no ;; powerpc-apple-macos* ) @@ -330,10 +322,9 @@ case "${host}" in dnl For some reason the test that should be cross-compiler capable fails dnl However, there is no doubt that MacOS PowerPC is big endian. ac_cv_c_bigendian=yes - SO_SUFFIX=shlib dnl AC_DEFINE(TARGET_CARBON) dnl platform.h needs TARGET_CARBON before setup.h, we'll add it to CPPFLAGS - DEFAULT_DEFAULT_wxUSE_MAC=1 + DEFAULT_DEFAULT_wxUSE_OSX_CARBON=1 DEFAULT_STD_FLAG=no ;; @@ -454,7 +445,9 @@ dnl we use AC_ARG_WITH and not WX_ARG_WITH for the toolkit options as they dnl shouldn't default to wxUSE_ALL_FEATURES AC_ARG_WITH(gtk, [[ --with-gtk[=VERSION] use GTK+, VERSION can be 2 (default), 1 or "any"]], [wxUSE_GTK="$withval" CACHE_GTK=1 TOOLKIT_GIVEN=1]) AC_ARG_WITH(motif, [ --with-motif use Motif/Lesstif], [wxUSE_MOTIF="$withval" CACHE_MOTIF=1 TOOLKIT_GIVEN=1]) -AC_ARG_WITH(mac, [ --with-mac use Mac OS X], [wxUSE_MAC="$withval" CACHE_MAC=1 TOOLKIT_GIVEN=1]) +AC_ARG_WITH(osx_carbon, [ --with-osx_carbon use Mac OS X (Carbon) ], [wxUSE_OSX_CARBON="$withval" CACHE_OSX_CARBON=1 TOOLKIT_GIVEN=1]) +AC_ARG_WITH(osx_cocoa, [ --with-osx_cocoa use Mac OS X (Cocoa) ], [wxUSE_OSX_COCOA="$withval" CACHE_OSX_COCOA=1 TOOLKIT_GIVEN=1]) +AC_ARG_WITH(mac, [ --with-mac use Mac OS X (Default) ], [wxUSE_OSX_CARBON="$withval" CACHE_OSX_CARBON=1 TOOLKIT_GIVEN=1]) AC_ARG_WITH(cocoa, [ --with-cocoa use Cocoa], [wxUSE_COCOA="$withval" CACHE_COCOA=1 TOOLKIT_GIVEN=1]) AC_ARG_WITH(wine, [ --with-wine use Wine], [wxUSE_WINE="$withval" CACHE_WINE=1]) AC_ARG_WITH(msw, [ --with-msw use MS-Windows], [wxUSE_MSW="$withval" CACHE_MSW=1 TOOLKIT_GIVEN=1]) @@ -473,6 +466,8 @@ dnl we have a default one AC_MSG_CHECKING(for toolkit) + + # In Wine, we need to default to MSW, not GTK or MOTIF if test "$wxUSE_WINE" = "yes"; then DEFAULT_DEFAULT_wxUSE_GTK=0 @@ -515,9 +510,9 @@ if test "$wxUSE_GUI" = "yes"; then dnl we suppose that expr is available (maybe there is a better way to do dnl this? what about using ALL_TOOLKITS? TODO) - NUM_TOOLKITS=`expr ${wxUSE_COCOA:-0} + ${wxUSE_GTK:-0} + ${wxUSE_MAC:-0} \ - + ${wxUSE_MGL:-0} + ${wxUSE_DFB:-0} + ${wxUSE_MICROWIN:-0} \ - + ${wxUSE_MOTIF:-0} + ${wxUSE_MSW:-0} + ${wxUSE_X11:-0}` + NUM_TOOLKITS=`expr ${wxUSE_COCOA:-0} + ${wxUSE_GTK:-0} + ${wxUSE_OSX_CARBON:-0} \ + + ${wxUSE_OSX_COCOA:-0} + ${wxUSE_MGL:-0} + ${wxUSE_DFB:-0} \ + + ${wxUSE_MICROWIN:-0} + ${wxUSE_MOTIF:-0} + ${wxUSE_MSW:-0} + ${wxUSE_X11:-0}` dnl Allow wxUSE_PM only for OS/2 with EMX. case "${host}" in @@ -558,6 +553,11 @@ else fi fi +wxUSE_MAC=0 +if test "$wxUSE_OSX_CARBON" = 1 -o "$wxUSE_OSX_COCOA" = 1; then + wxUSE_MAC=1 +fi + dnl --------------------------------------------------------------------------- dnl external libraries dnl --------------------------------------------------------------------------- @@ -756,6 +756,7 @@ WX_ARG_FEATURE(html, [ --enable-html use wxHTML sub-library], WX_ARG_FEATURE(htmlhelp, [ --enable-htmlhelp use wxHTML-based help], wxUSE_WXHTML_HELP) WX_ARG_FEATURE(xrc, [ --enable-xrc use XRC resources sub-library], wxUSE_XRC) WX_ARG_FEATURE(aui, [ --enable-aui use AUI docking library], wxUSE_AUI) +WX_ARG_FEATURE(propgrid, [ --enable-propgrid use wxPropertyGrid library], wxUSE_PROPGRID) WX_ARG_FEATURE(stc, [ --enable-stc use wxStyledTextCtrl library], wxUSE_STC) WX_ARG_FEATURE(constraints, [ --enable-constraints use layout-constraints system], wxUSE_CONSTRAINTS) WX_ARG_FEATURE(loggui, [ --enable-loggui use standard GUI logger], wxUSE_LOGGUI) @@ -1673,76 +1674,79 @@ fi fi dnl wxUSE_VARARG_MACROS == yes + dnl check for large file support +LARGEFILE_CPPFLAGS= AC_SYS_LARGEFILE +if test "$ac_cv_sys_file_offset_bits" = "64"; then + LARGEFILE_CPPFLAGS="-D_FILE_OFFSET_BITS=64" +elif test "$ac_cv_sys_large_files" = 1; then + LARGEFILE_CPPFLAGS="-D_LARGE_FILES" +fi dnl we need to define _FILE_OFFSET_BITS or _LARGE_FILES on the compiler command dnl line because otherwise the system headers risk being included before dnl wx/defs.h which defines these constants leading to inconsistent dnl sizeof(off_t) in different source files of the same program and linking dnl problems -if test "x$wx_largefile" = "xyes"; then - if test "x$ac_cv_sys_file_offset_bits" = "x64"; then - WXCONFIG_CPPFLAGS="$WXCONFIG_CPPFLAGS -D_FILE_OFFSET_BITS=64 -D_LARGE_FILES" - - dnl We get "Large Files (ILP32) not supported in strict ANSI mode." - dnl #error from HP standard headers unless __STDC_EXT__ is defined. - dnl The compiler should define it automatically, but some old g++ - dnl versions don't define it, so test and add it if necessary. AFAIK - dnl the problem only affects the C++ compiler so it is added to - dnl CXXFLAGS only. - if test "$USE_HPUX" = 1 -a "$GXX" = "yes"; then - AC_CACHE_CHECK( - [if -D__STDC_EXT__ is required], - wx_cv_STDC_EXT_required, - [ - AC_LANG_PUSH(C++) - AC_TRY_COMPILE( - [], - [ - #ifndef __STDC_EXT__ - choke me - #endif - ], - wx_cv_STDC_EXT_required=no, - wx_cv_STDC_EXT_required=yes - ) - AC_LANG_POP() - ] - ) - if test "x$wx_cv_STDC_EXT_required" = "xyes"; then - WXCONFIG_CXXFLAGS="$WXCONFIG_CXXFLAGS -D__STDC_EXT__" - fi +if test -n "$LARGEFILE_CPPFLAGS"; then + WXCONFIG_CPPFLAGS="$WXCONFIG_CPPFLAGS $LARGEFILE_CPPFLAGS" + + dnl We get "Large Files (ILP32) not supported in strict ANSI mode." + dnl #error from HP standard headers unless __STDC_EXT__ is defined. + dnl The compiler should define it automatically, but some old g++ + dnl versions don't define it, so test and add it if necessary. AFAIK + dnl the problem only affects the C++ compiler so it is added to + dnl CXXFLAGS only. + if test "$USE_HPUX" = 1 -a "$GXX" = "yes"; then + AC_CACHE_CHECK( + [if -D__STDC_EXT__ is required], + wx_cv_STDC_EXT_required, + [ + AC_LANG_PUSH(C++) + AC_TRY_COMPILE( + [], + [ + #ifndef __STDC_EXT__ + choke me + #endif + ], + wx_cv_STDC_EXT_required=no, + wx_cv_STDC_EXT_required=yes + ) + AC_LANG_POP() + ] + ) + if test "x$wx_cv_STDC_EXT_required" = "xyes"; then + WXCONFIG_CXXFLAGS="$WXCONFIG_CXXFLAGS -D__STDC_EXT__" fi - else - WXCONFIG_CPPFLAGS="$WXCONFIG_CPPFLAGS -D_LARGE_FILES" - fi - dnl AC_FUNC_FSEEKO sets HAVE_FSEEKO and $ac_cv_sys_largefile_source - AC_FUNC_FSEEKO - if test "$ac_cv_sys_largefile_source" != no; then - WXCONFIG_CPPFLAGS="$WXCONFIG_CPPFLAGS -D_LARGEFILE_SOURCE=$ac_cv_sys_largefile_source" fi fi +dnl AC_FUNC_FSEEKO sets HAVE_FSEEKO and $ac_cv_sys_largefile_source +dnl +dnl it may be affected by large file flags (this happens under HP-UX 11 for +dnl example) so set them before using it and also use C++ to ensure that we get +dnl errors, not warnings, about the missing functions +AC_LANG_PUSH(C++) +old_CPPFLAGS="$CPPFLAGS" +CPPFLAGS="$CPPFLAGS $LARGEFILE_CPPFLAGS" +AC_FUNC_FSEEKO +CPPFLAGS="$old_CPPFLAGS" +AC_LANG_POP() +if test "$ac_cv_sys_largefile_source" != no; then + WXCONFIG_CPPFLAGS="$WXCONFIG_CPPFLAGS -D_LARGEFILE_SOURCE=$ac_cv_sys_largefile_source" +fi + dnl check for bytesex stuff (don't use AC_C_BIGENDIAN to allow cross-compiling) WX_C_BIGENDIAN dnl check for iostream (as opposed to iostream.h) standard header WX_CPP_NEW_HEADERS(, AC_DEFINE(wxUSE_IOSTREAMH)) -dnl check whether C++ compiler supports bool built-in type -WX_CPP_BOOL - dnl check whether C++ compiler supports explicit keyword WX_CPP_EXPLICIT -dnl check whether C++ compiler supports C++ casts -AC_CXX_CONST_CAST -AC_CXX_REINTERPRET_CAST -AC_CXX_STATIC_CAST -dnl we don't use HAVE_DYNAMIC_CAST anywhere right now... -dnl AC_CXX_DYNAMIC_CAST - dnl With Sun CC, temporaries have block scope by default. This flag is needed dnl to get the expression scope behaviour that conforms to the standard. if test "x$SUNCXX" = xyes; then @@ -1782,7 +1786,11 @@ fi if test "x$HPCXX" = "xyes"; then dnl 2340: "value copied to temporary, reference to temporary used": very dnl painful as triggered by any occurrence of user-defined conversion - CXXFLAGS="+W 2340 $CXXFLAGS" + dnl 4232: "conversion from 'Foo *' to a more strictly aligned type 'Bar *' + dnl may cause misaligned access": this might indicate a real problem + dnl but any use of GTK+ cast macros results in it so it's unusable + dnl for wxGTK code + CXXFLAGS="+W 2340,4232 $CXXFLAGS" fi dnl DEC/Compaq/HP cxx warnings @@ -3406,7 +3414,7 @@ libraries returned by 'pkg-config gtk+-2.0 --libs' or 'gtk-config fi fi - if test "$wxUSE_MAC" = 1; then + if test "$wxUSE_OSX_CARBON" = 1; then AC_MSG_CHECKING([for compiler syntax to enable Pascal strings]) if test "$GCC" = yes; then AC_MSG_RESULT([gcc]) @@ -3425,14 +3433,19 @@ libraries returned by 'pkg-config gtk+-2.0 --libs' or 'gtk-config CPPFLAGS="$CPPFLAGS_PASCAL -I\${top_srcdir}/src/mac/carbon/morefilex -DTARGET_CARBON $CPPFLAGS" fi - TOOLKIT=MAC + TOOLKIT=OSX_CARBON dnl we can't call this MAC_DIST or autoconf thinks its a macro - GUIDIST=MACX_DIST + GUIDIST=OSX_CARBON_DIST dnl wxMac version of wxBase and wxCocoa or wxBase-only built on Darwin dnl are different, so they need different names: WXBASEPORT="_carbon" fi + if test "$wxUSE_OSX_COCOA" = 1; then + TOOLKIT=OSX_COCOA + GUIDIST=OSX_COCOA_DIST + fi + if test "$wxUSE_COCOA" = 1; then TOOLKIT=COCOA GUIDIST=COCOA_DIST @@ -3620,7 +3633,7 @@ if test "$wxUSE_OPENGL" = "yes"; then if test "$wxUSE_MGL" = 1 -o "$wxUSE_DFB" = 1; then AC_MSG_WARN([wxGLCanvas not implemented for this port, library will be compiled without it.]) wxUSE_OPENGL="no" - elif test "$wxUSE_MAC" = 1 -o "$wxUSE_COCOA" = 1; then + elif test "$wxUSE_OSX_CARBON" = 1 -o "$wxUSE_OSX_COCOA" = 1 -o "$wxUSE_COCOA" = 1; then OPENGL_LIBS="-framework OpenGL -framework AGL" elif test "$wxUSE_MSW" = 1; then OPENGL_LIBS="-lopengl32 -lglu32" @@ -5676,7 +5689,7 @@ if test "$wxUSE_INTL" = "yes" ; then fi fi -if test "$wxUSE_XLOCALE" == "yes" ; then +if test "$wxUSE_XLOCALE" = "yes" ; then AC_DEFINE(wxUSE_XLOCALE) AC_CHECK_TYPES(locale_t,,, [#include @@ -6194,7 +6207,7 @@ if test "$wxUSE_GUI" = "yes" -a "$wxUSE_JOYSTICK" = "yes"; then wxUSE_JOYSTICK=yes dnl mac only available on darwin - elif test "$TOOLKIT" = "MAC" -o "$TOOLKIT" = "COCOA"; then + elif test "$TOOLKIT" = "OSX" -o "$TOOLKIT" = "COCOA"; then if test "$USE_DARWIN" = 1; then dnl check for a bug in the headers, some have bad setEventCallout AC_MSG_CHECKING([headers have declarations needed for joystick support]) @@ -6293,9 +6306,6 @@ fi if test "$wxUSE_DOC_VIEW_ARCHITECTURE" = "yes" ; then AC_DEFINE(wxUSE_DOC_VIEW_ARCHITECTURE) SAMPLES_SUBDIRS="$SAMPLES_SUBDIRS docview" - if test "$wxUSE_MDI_ARCHITECTURE" = "yes"; then - SAMPLES_SUBDIRS="$SAMPLES_SUBDIRS docvwmdi" - fi fi if test "$wxUSE_HELP" = "yes"; then @@ -6875,9 +6885,6 @@ if test "$wxUSE_HTML" = "yes"; then AC_DEFINE(wxUSE_HTML) USE_HTML=1 SAMPLES_SUBDIRS="$SAMPLES_SUBDIRS html html/about html/help html/helpview html/printing html/test html/virtual html/widget html/zip htlbox" - if test "$wxUSE_MAC" = 1; then - SAMPLES_SUBDIRS="$SAMPLES_SUBDIRS html/htmlctrl" - fi fi if test "$wxUSE_WEBKIT" = "yes"; then if test "$wxUSE_MAC" = 1 -a "$USE_DARWIN" = 1; then @@ -6902,6 +6909,9 @@ if test "$wxUSE_WEBKIT" = "yes"; then else wxUSE_WEBKIT=no fi + if test "$wxUSE_WEBKIT" = "yes"; then + SAMPLES_SUBDIRS="$SAMPLES_SUBDIRS html/htmlctrl" + fi fi USE_XRC=0 @@ -6923,6 +6933,13 @@ if test "$wxUSE_AUI" = "yes"; then SAMPLES_SUBDIRS="$SAMPLES_SUBDIRS aui" fi +USE_PROPGRID=0 +if test "$wxUSE_PROPGRID" = "yes"; then + AC_DEFINE(wxUSE_PROPGRID) + USE_PROPGRID=1 + SAMPLES_SUBDIRS="$SAMPLES_SUBDIRS propgrid" +fi + USE_STC=0 if test "$wxUSE_STC" = "yes"; then AC_DEFINE(wxUSE_STC) @@ -7304,6 +7321,12 @@ if test "$wxUSE_GUI" = "yes"; then if test "$wxUSE_AUI" = "yes" ; then BUILT_WX_LIBS="aui $BUILT_WX_LIBS" fi + if test "$wxUSE_PROPGRID" = "yes" ; then + BUILT_WX_LIBS="propgrid $BUILT_WX_LIBS" + fi + if test "$wxUSE_RICHTEXT" = "yes" ; then + BUILT_WX_LIBS="richtext $BUILT_WX_LIBS" + fi if test "$wxUSE_STC" = "yes" ; then BUILT_WX_LIBS="stc $BUILT_WX_LIBS" fi @@ -7328,14 +7351,10 @@ if test "$wxUSE_MAC" = 1 ; then if test "$wxUSE_SOUND" = "yes" || test "$wxUSE_MEDIACTRL" = "yes"; then if test "$USE_DARWIN" = 1; then LDFLAGS="$LDFLAGS -framework QuickTime" - else - LDFLAGS="$LDFLAGS -lQuickTimeLib" fi fi if test "$USE_DARWIN" = 1; then - LDFLAGS="$LDFLAGS -framework IOKit -framework Carbon -framework Cocoa -framework AudioToolbox -framework System" - else - LDFLAGS="$LDFLAGS -lCarbonLib" + LDFLAGS="$LDFLAGS -framework IOKit -framework Carbon -framework Cocoa -framework AudioToolbox -framework System -framework OpenGL" fi fi if test "$wxUSE_COCOA" = 1 ; then @@ -7419,8 +7438,8 @@ if test "x$INTELCXX" = "xyes" ; then dnl remark #1419: external declaration in primary source file CXXWARNINGS="-Wall -wd279,383,444,810,869,981,1418,1419" elif test "$GXX" = yes ; then - dnl CXXWARNINGS="-Wall -W -Wcast-qual -Werror" CXXWARNINGS="-Wall -Wundef -Wunused-parameter -Wno-ctor-dtor-privacy" + AX_CXXFLAGS_GCC_OPTION(-Woverloaded-virtual, CXXWARNINGS) fi @@ -7584,7 +7603,19 @@ AC_SUBST(UNICODE) AC_SUBST(BUILD) AC_SUBST(DEBUG_INFO) AC_SUBST(DEBUG_FLAG) -TOOLKIT_LOWERCASE=`echo $TOOLKIT | tr '[[A-Z]]' '[[a-z]]'` +TOOLKIT_LOWERCASE=xxx +if test "$TOOLKIT" = "MAC"; then + TOOLKIT_LOWERCASE=osx_carbon +fi +if test "$TOOLKIT" = "OSX_CARBON"; then + TOOLKIT_LOWERCASE=osx_carbon +fi +if test "$TOOLKIT" = "OSX_COCOA"; then + TOOLKIT_LOWERCASE=osx_cocoa +fi +if test "$TOOLKIT_LOWERCASE" = "xxx"; then + TOOLKIT_LOWERCASE=`echo $TOOLKIT | tr '[[A-Z]]' '[[a-z]]'` +fi AC_SUBST(TOOLKIT_LOWERCASE) AC_SUBST(TOOLKIT_VERSION) AC_SUBST(SAMPLES_RPATH_FLAG) @@ -7715,7 +7746,7 @@ if test "$wxUSE_MAC" = 1 -o "$wxUSE_COCOA" = 1; then dnl resources are bundled both with shared library and applications dnl since the carb resource *must* be included in the application - if test "$wxUSE_MAC" = 1; then + if test "$wxUSE_OSX_CARBON" = 1; then POSTLINK_COMMAND="\$(REZ) -d __DARWIN__ -t APPL Carbon.r -o" RESCOMP="$REZ" WXCONFIG_RESFLAGS="-d __DARWIN__ -t APPL Carbon.r -o" @@ -7838,6 +7869,8 @@ dnl Add visibility support flags to CFLAGS/CXXFLAGS - do it this late so that dnl it doesn't affect compilation checks above CFLAGS="$CFLAGS $CFLAGS_VISIBILITY" CXXFLAGS="$CXXFLAGS $CXXFLAGS_VISIBILITY" +OBJCFLAGS="$OBJCFLAGS $CFLAGS_VISIBILITY" +OBJCXXFLAGS="$OBJCXXFLAGS $CXXFLAGS_VISIBILITY" dnl for convenience, sort the samples in alphabetical order dnl