diff options
Diffstat (limited to 'build-aux')
-rw-r--r-- | build-aux/m4/bitcoin_qt.m4 | 177 | ||||
-rw-r--r-- | build-aux/m4/l_atomic.m4 | 6 | ||||
-rw-r--r-- | build-aux/m4/l_socket.m4 | 36 |
3 files changed, 151 insertions, 68 deletions
diff --git a/build-aux/m4/bitcoin_qt.m4 b/build-aux/m4/bitcoin_qt.m4 index 658dfc5476..0995ef1406 100644 --- a/build-aux/m4/bitcoin_qt.m4 +++ b/build-aux/m4/bitcoin_qt.m4 @@ -64,6 +64,13 @@ AC_DEFUN([BITCOIN_QT_INIT],[ ], [bitcoin_qt_want_version=auto]) + AS_IF([test "x$with_gui" = xqt5_debug], + [AS_CASE([$host], + [*darwin*], [qt_lib_suffix=_debug], + [*mingw*], [qt_lib_suffix=d], + [qt_lib_suffix= ]); bitcoin_qt_want_version=qt5], + [qt_lib_suffix= ]) + AC_ARG_WITH([qt-incdir],[AS_HELP_STRING([--with-qt-incdir=INC_DIR],[specify qt include path (overridden by pkgconfig)])], [qt_include_path=$withval], []) AC_ARG_WITH([qt-libdir],[AS_HELP_STRING([--with-qt-libdir=LIB_DIR],[specify qt lib path (overridden by pkgconfig)])], [qt_lib_path=$withval], []) AC_ARG_WITH([qt-plugindir],[AS_HELP_STRING([--with-qt-plugindir=PLUGIN_DIR],[specify qt plugin path (overridden by pkgconfig)])], [qt_plugin_path=$withval], []) @@ -101,13 +108,10 @@ AC_DEFUN([BITCOIN_QT_CONFIGURE],[ BITCOIN_QT_CHECK([_BITCOIN_QT_FIND_LIBS]) dnl This is ugly and complicated. Yuck. Works as follows: - dnl For Qt5, we can check a header to find out whether Qt is build - dnl statically. When Qt is built statically, some plugins must be linked into - dnl the final binary as well. - dnl With Qt5, languages moved into core and the WindowsIntegration plugin was - dnl added. - dnl _BITCOIN_QT_CHECK_STATIC_PLUGINS does a quick link-check and appends the - dnl results to QT_LIBS. + dnl We check a header to find out whether Qt is built statically. + dnl When Qt is built statically, some plugins must be linked into + dnl the final binary as well. _BITCOIN_QT_CHECK_STATIC_PLUGIN does + dnl a quick link-check and appends the results to QT_LIBS. BITCOIN_QT_CHECK([ TEMP_CPPFLAGS=$CPPFLAGS TEMP_CXXFLAGS=$CXXFLAGS @@ -115,23 +119,49 @@ AC_DEFUN([BITCOIN_QT_CONFIGURE],[ CXXFLAGS="$PIC_FLAGS $CXXFLAGS" _BITCOIN_QT_IS_STATIC if test "x$bitcoin_cv_static_qt" = xyes; then - _BITCOIN_QT_FIND_STATIC_PLUGINS + _BITCOIN_QT_CHECK_STATIC_LIBS + + if test "x$qt_plugin_path" != x; then + if test -d "$qt_plugin_path/platforms"; then + QT_LIBS="$QT_LIBS -L$qt_plugin_path/platforms" + fi + if test -d "$qt_plugin_path/styles"; then + QT_LIBS="$QT_LIBS -L$qt_plugin_path/styles" + fi + if test -d "$qt_plugin_path/accessible"; then + QT_LIBS="$QT_LIBS -L$qt_plugin_path/accessible" + fi + if test -d "$qt_plugin_path/platforms/android"; then + QT_LIBS="$QT_LIBS -L$qt_plugin_path/platforms/android -lqtfreetype -lEGL" + fi + fi + AC_DEFINE(QT_STATICPLUGIN, 1, [Define this symbol if qt plugins are static]) if test "x$TARGET_OS" != xandroid; then - _BITCOIN_QT_CHECK_STATIC_PLUGINS([Q_IMPORT_PLUGIN(QMinimalIntegrationPlugin)],[-lqminimal]) + _BITCOIN_QT_CHECK_STATIC_PLUGIN([QMinimalIntegrationPlugin], [-lqminimal]) AC_DEFINE(QT_QPA_PLATFORM_MINIMAL, 1, [Define this symbol if the minimal qt platform exists]) fi if test "x$TARGET_OS" = xwindows; then - _BITCOIN_QT_CHECK_STATIC_PLUGINS([Q_IMPORT_PLUGIN(QWindowsIntegrationPlugin)],[-lqwindows]) + dnl Linking against wtsapi32 is required. See #17749 and + dnl https://bugreports.qt.io/browse/QTBUG-27097. + AX_CHECK_LINK_FLAG([-lwtsapi32], [QT_LIBS="$QT_LIBS -lwtsapi32"], [AC_MSG_ERROR([could not link against -lwtsapi32])]) + _BITCOIN_QT_CHECK_STATIC_PLUGIN([QWindowsIntegrationPlugin], [-lqwindows]) AC_DEFINE(QT_QPA_PLATFORM_WINDOWS, 1, [Define this symbol if the qt platform is windows]) elif test "x$TARGET_OS" = xlinux; then - _BITCOIN_QT_CHECK_STATIC_PLUGINS([Q_IMPORT_PLUGIN(QXcbIntegrationPlugin)],[-lqxcb -lxcb-static]) + dnl workaround for https://bugreports.qt.io/browse/QTBUG-74874 + AX_CHECK_LINK_FLAG([-lxcb-shm], [QT_LIBS="-lxcb-shm $QT_LIBS"], [AC_MSG_ERROR([could not link against -lxcb-shm])]) + _BITCOIN_QT_CHECK_STATIC_PLUGIN([QXcbIntegrationPlugin], [-lqxcb]) AC_DEFINE(QT_QPA_PLATFORM_XCB, 1, [Define this symbol if the qt platform is xcb]) elif test "x$TARGET_OS" = xdarwin; then - _BITCOIN_QT_CHECK_STATIC_PLUGINS([Q_IMPORT_PLUGIN(QCocoaIntegrationPlugin)],[-lqcocoa]) + AX_CHECK_LINK_FLAG([[-framework Carbon]],[QT_LIBS="$QT_LIBS -framework Carbon"],[AC_MSG_ERROR(could not link against Carbon framework)]) + AX_CHECK_LINK_FLAG([[-framework IOSurface]],[QT_LIBS="$QT_LIBS -framework IOSurface"],[AC_MSG_ERROR(could not link against IOSurface framework)]) + AX_CHECK_LINK_FLAG([[-framework Metal]],[QT_LIBS="$QT_LIBS -framework Metal"],[AC_MSG_ERROR(could not link against Metal framework)]) + AX_CHECK_LINK_FLAG([[-framework QuartzCore]],[QT_LIBS="$QT_LIBS -framework QuartzCore"],[AC_MSG_ERROR(could not link against QuartzCore framework)]) + _BITCOIN_QT_CHECK_STATIC_PLUGIN([QCocoaIntegrationPlugin], [-lqcocoa]) + _BITCOIN_QT_CHECK_STATIC_PLUGIN([QMacStylePlugin], [-lqmacstyle]) AC_DEFINE(QT_QPA_PLATFORM_COCOA, 1, [Define this symbol if the qt platform is cocoa]) elif test "x$TARGET_OS" = xandroid; then - QT_LIBS="-Wl,--export-dynamic,--undefined=JNI_OnLoad -lqtforandroid -ljnigraphics -landroid -lqtfreetype -lQt5EglSupport $QT_LIBS" + QT_LIBS="-Wl,--export-dynamic,--undefined=JNI_OnLoad -lqtforandroid -ljnigraphics -landroid -lqtfreetype $QT_LIBS" AC_DEFINE(QT_QPA_PLATFORM_ANDROID, 1, [Define this symbol if the qt platform is android]) fi fi @@ -140,7 +170,7 @@ AC_DEFUN([BITCOIN_QT_CONFIGURE],[ ]) if test "x$qt_bin_path" = x; then - qt_bin_path="`$PKG_CONFIG --variable=host_bins Qt5Core 2>/dev/null`" + qt_bin_path="`$PKG_CONFIG --variable=host_bins ${qt_lib_prefix}Core 2>/dev/null`" fi if test "x$use_hardening" != xno; then @@ -195,6 +225,7 @@ AC_DEFUN([BITCOIN_QT_CONFIGURE],[ BITCOIN_QT_PATH_PROGS([RCC], [rcc-qt5 rcc5 rcc], $qt_bin_path) BITCOIN_QT_PATH_PROGS([LRELEASE], [lrelease-qt5 lrelease5 lrelease], $qt_bin_path) BITCOIN_QT_PATH_PROGS([LUPDATE], [lupdate-qt5 lupdate5 lupdate],$qt_bin_path, yes) + BITCOIN_QT_PATH_PROGS([LCONVERT], [lconvert-qt5 lconvert5 lconvert], $qt_bin_path, yes) MOC_DEFS='-DHAVE_CONFIG_H -I$(srcdir)' case $host in @@ -228,7 +259,10 @@ AC_DEFUN([BITCOIN_QT_CONFIGURE],[ AC_MSG_ERROR([libQtDBus not found. Install libQtDBus or remove --with-qtdbus.]) fi if test "x$LUPDATE" = x; then - AC_MSG_WARN([lupdate is required to update qt translations]) + AC_MSG_WARN([lupdate tool is required to update Qt translations.]) + fi + if test "x$LCONVERT" = x; then + AC_MSG_WARN([lconvert tool is required to update Qt translations.]) fi ],[ bitcoin_enable_qt=no @@ -251,12 +285,13 @@ AC_DEFUN([BITCOIN_QT_CONFIGURE],[ AC_SUBST(MOC_DEFS) ]) -dnl All macros below are internal and should _not_ be used from the main -dnl configure.ac. -dnl ---- +dnl All macros below are internal and should _not_ be used from configure.ac. -dnl Internal. Check if the linked version of Qt was built as static libs. -dnl Requires: Qt5. +dnl Internal. Check if the linked version of Qt was built statically. +dnl +dnl _BITCOIN_QT_IS_STATIC +dnl --------------------- +dnl dnl Requires: INCLUDES and LIBS must be populated as necessary. dnl Output: bitcoin_cv_static_qt=yes|no AC_DEFUN([_BITCOIN_QT_IS_STATIC],[ @@ -277,78 +312,84 @@ AC_DEFUN([_BITCOIN_QT_IS_STATIC],[ ]) ]) -dnl Internal. Check if the link-requirements for static plugins are met. +dnl Internal. Check if the link-requirements for a static plugin are met. +dnl +dnl _BITCOIN_QT_CHECK_STATIC_PLUGIN(PLUGIN, LIBRARIES) +dnl -------------------------------------------------- +dnl dnl Requires: INCLUDES and LIBS must be populated as necessary. -dnl Inputs: $1: A series of Q_IMPORT_PLUGIN(). +dnl Inputs: $1: A static plugin name. dnl Inputs: $2: The libraries that resolve $1. dnl Output: QT_LIBS is prepended or configure exits. -AC_DEFUN([_BITCOIN_QT_CHECK_STATIC_PLUGINS],[ - AC_MSG_CHECKING(for static Qt plugins: $2) +AC_DEFUN([_BITCOIN_QT_CHECK_STATIC_PLUGIN], [ + AC_MSG_CHECKING([for $1 ($2)]) CHECK_STATIC_PLUGINS_TEMP_LIBS="$LIBS" - LIBS="$2 $QT_LIBS $LIBS" + LIBS="$2${qt_lib_suffix} $QT_LIBS $LIBS" AC_LINK_IFELSE([AC_LANG_PROGRAM([[ - #define QT_STATICPLUGIN - #include <QtPlugin> - $1]], - [[return 0;]])], - [AC_MSG_RESULT(yes); QT_LIBS="$2 $QT_LIBS"], - [AC_MSG_RESULT(no); BITCOIN_QT_FAIL(Could not resolve: $2)]) + #include <QtPlugin> + Q_IMPORT_PLUGIN($1) + ]])], + [AC_MSG_RESULT([yes]); QT_LIBS="$2${qt_lib_suffix} $QT_LIBS"], + [AC_MSG_RESULT([no]); BITCOIN_QT_FAIL([$1 not found.])]) LIBS="$CHECK_STATIC_PLUGINS_TEMP_LIBS" ]) -dnl Internal. Find paths necessary for linking qt static plugins -dnl Inputs: qt_plugin_path. optional. -dnl Outputs: QT_LIBS is appended -AC_DEFUN([_BITCOIN_QT_FIND_STATIC_PLUGINS],[ - if test "x$qt_plugin_path" != x; then - QT_LIBS="$QT_LIBS -L$qt_plugin_path/platforms" - if test -d "$qt_plugin_path/accessible"; then - QT_LIBS="$QT_LIBS -L$qt_plugin_path/accessible" - fi - if test -d "$qt_plugin_path/platforms/android"; then - QT_LIBS="$QT_LIBS -L$qt_plugin_path/platforms/android -lqtfreetype -lEGL" - fi - PKG_CHECK_MODULES([QTFONTDATABASE], [Qt5FontDatabaseSupport], [QT_LIBS="-lQt5FontDatabaseSupport $QT_LIBS"]) - PKG_CHECK_MODULES([QTEVENTDISPATCHER], [Qt5EventDispatcherSupport], [QT_LIBS="-lQt5EventDispatcherSupport $QT_LIBS"]) - PKG_CHECK_MODULES([QTTHEME], [Qt5ThemeSupport], [QT_LIBS="-lQt5ThemeSupport $QT_LIBS"]) - PKG_CHECK_MODULES([QTDEVICEDISCOVERY], [Qt5DeviceDiscoverySupport], [QT_LIBS="-lQt5DeviceDiscoverySupport $QT_LIBS"]) - PKG_CHECK_MODULES([QTACCESSIBILITY], [Qt5AccessibilitySupport], [QT_LIBS="-lQt5AccessibilitySupport $QT_LIBS"]) - PKG_CHECK_MODULES([QTFB], [Qt5FbSupport], [QT_LIBS="-lQt5FbSupport $QT_LIBS"]) - if test "x$TARGET_OS" = xlinux; then - PKG_CHECK_MODULES([QTXCBQPA], [Qt5XcbQpa], [QT_LIBS="$QTXCBQPA_LIBS $QT_LIBS"]) - elif test "x$TARGET_OS" = xdarwin; then - PKG_CHECK_MODULES([QTCLIPBOARD], [Qt5ClipboardSupport], [QT_LIBS="-lQt5ClipboardSupport $QT_LIBS"]) - PKG_CHECK_MODULES([QTGRAPHICS], [Qt5GraphicsSupport], [QT_LIBS="-lQt5GraphicsSupport $QT_LIBS"]) - PKG_CHECK_MODULES([QTCGL], [Qt5CglSupport], [QT_LIBS="-lQt5CglSupport $QT_LIBS"]) - fi - fi +dnl Internal. Check Qt static libs with PKG_CHECK_MODULES. +dnl +dnl _BITCOIN_QT_CHECK_STATIC_LIBS +dnl ----------------------------- +dnl +dnl Outputs: QT_LIBS is prepended. +AC_DEFUN([_BITCOIN_QT_CHECK_STATIC_LIBS], [ + PKG_CHECK_MODULES([QT_ACCESSIBILITY], [${qt_lib_prefix}AccessibilitySupport${qt_lib_suffix}], [QT_LIBS="$QT_ACCESSIBILITY_LIBS $QT_LIBS"]) + PKG_CHECK_MODULES([QT_DEVICEDISCOVERY], [${qt_lib_prefix}DeviceDiscoverySupport${qt_lib_suffix}], [QT_LIBS="$QT_DEVICEDISCOVERY_LIBS $QT_LIBS"]) + PKG_CHECK_MODULES([QT_EDID], [${qt_lib_prefix}EdidSupport${qt_lib_suffix}], [QT_LIBS="$QT_EDID_LIBS $QT_LIBS"]) + PKG_CHECK_MODULES([QT_EVENTDISPATCHER], [${qt_lib_prefix}EventDispatcherSupport${qt_lib_suffix}], [QT_LIBS="$QT_EVENTDISPATCHER_LIBS $QT_LIBS"]) + PKG_CHECK_MODULES([QT_FB], [${qt_lib_prefix}FbSupport${qt_lib_suffix}], [QT_LIBS="$QT_FB_LIBS $QT_LIBS"]) + PKG_CHECK_MODULES([QT_FONTDATABASE], [${qt_lib_prefix}FontDatabaseSupport${qt_lib_suffix}], [QT_LIBS="$QT_FONTDATABASE_LIBS $QT_LIBS"]) + PKG_CHECK_MODULES([QT_THEME], [${qt_lib_prefix}ThemeSupport${qt_lib_suffix}], [QT_LIBS="$QT_THEME_LIBS $QT_LIBS"]) + if test "x$TARGET_OS" = xlinux; then + PKG_CHECK_MODULES([QT_INPUT], [${qt_lib_prefix}XcbQpa], [QT_LIBS="$QT_INPUT_LIBS $QT_LIBS"]) + PKG_CHECK_MODULES([QT_SERVICE], [${qt_lib_prefix}ServiceSupport], [QT_LIBS="$QT_SERVICE_LIBS $QT_LIBS"]) + PKG_CHECK_MODULES([QT_XCBQPA], [${qt_lib_prefix}XcbQpa], [QT_LIBS="$QT_XCBQPA_LIBS $QT_LIBS"]) + elif test "x$TARGET_OS" = xdarwin; then + PKG_CHECK_MODULES([QT_CLIPBOARD], [${qt_lib_prefix}ClipboardSupport${qt_lib_suffix}], [QT_LIBS="$QT_CLIPBOARD_LIBS $QT_LIBS"]) + PKG_CHECK_MODULES([QT_GRAPHICS], [${qt_lib_prefix}GraphicsSupport${qt_lib_suffix}], [QT_LIBS="$QT_GRAPHICS_LIBS $QT_LIBS"]) + PKG_CHECK_MODULES([QT_SERVICE], [${qt_lib_prefix}ServiceSupport${qt_lib_suffix}], [QT_LIBS="$QT_SERVICE_LIBS $QT_LIBS"]) + elif test "x$TARGET_OS" = xwindows; then + PKG_CHECK_MODULES([QT_WINDOWSUIAUTOMATION], [${qt_lib_prefix}WindowsUIAutomationSupport${qt_lib_suffix}], [QT_LIBS="$QT_WINDOWSUIAUTOMATION_LIBS $QT_LIBS"]) + elif test "x$TARGET_OS" = xandroid; then + PKG_CHECK_MODULES([QT_EGL], [${qt_lib_prefix}EglSupport], [QT_LIBS="$QT_EGL_LIBS $QT_LIBS"]) + fi ]) dnl Internal. Find Qt libraries using pkg-config. +dnl +dnl _BITCOIN_QT_FIND_LIBS +dnl --------------------- +dnl dnl Outputs: All necessary QT_* variables are set. dnl Outputs: have_qt_test and have_qt_dbus are set (if applicable) to yes|no. AC_DEFUN([_BITCOIN_QT_FIND_LIBS],[ BITCOIN_QT_CHECK([ - PKG_CHECK_MODULES([QT_CORE], [${qt_lib_prefix}Core $qt_version], [], - [BITCOIN_QT_FAIL([${qt_lib_prefix}Core $qt_version not found])]) + PKG_CHECK_MODULES([QT_CORE], [${qt_lib_prefix}Core${qt_lib_suffix} $qt_version], [QT_INCLUDES="$QT_CORE_CFLAGS $QT_INCLUDES" QT_LIBS="$QT_CORE_LIBS $QT_LIBS"], + [BITCOIN_QT_FAIL([${qt_lib_prefix}Core${qt_lib_suffix} $qt_version not found])]) ]) BITCOIN_QT_CHECK([ - PKG_CHECK_MODULES([QT_GUI], [${qt_lib_prefix}Gui $qt_version], [], - [BITCOIN_QT_FAIL([${qt_lib_prefix}Gui $qt_version not found])]) + PKG_CHECK_MODULES([QT_GUI], [${qt_lib_prefix}Gui${qt_lib_suffix} $qt_version], [QT_INCLUDES="$QT_GUI_CFLAGS $QT_INCLUDES" QT_LIBS="$QT_GUI_LIBS $QT_LIBS"], + [BITCOIN_QT_FAIL([${qt_lib_prefix}Gui${qt_lib_suffix} $qt_version not found])]) ]) BITCOIN_QT_CHECK([ - PKG_CHECK_MODULES([QT_WIDGETS], [${qt_lib_prefix}Widgets $qt_version], [], - [BITCOIN_QT_FAIL([${qt_lib_prefix}Widgets $qt_version not found])]) + PKG_CHECK_MODULES([QT_WIDGETS], [${qt_lib_prefix}Widgets${qt_lib_suffix} $qt_version], [QT_INCLUDES="$QT_WIDGETS_CFLAGS $QT_INCLUDES" QT_LIBS="$QT_WIDGETS_LIBS $QT_LIBS"], + [BITCOIN_QT_FAIL([${qt_lib_prefix}Widgets${qt_lib_suffix} $qt_version not found])]) ]) BITCOIN_QT_CHECK([ - PKG_CHECK_MODULES([QT_NETWORK], [${qt_lib_prefix}Network $qt_version], [], - [BITCOIN_QT_FAIL([${qt_lib_prefix}Network $qt_version not found])]) + PKG_CHECK_MODULES([QT_NETWORK], [${qt_lib_prefix}Network${qt_lib_suffix} $qt_version], [QT_INCLUDES="$QT_NETWORK_CFLAGS $QT_INCLUDES" QT_LIBS="$QT_NETWORK_LIBS $QT_LIBS"], + [BITCOIN_QT_FAIL([${qt_lib_prefix}Network${qt_lib_suffix} $qt_version not found])]) ]) - QT_INCLUDES="$QT_CORE_CFLAGS $QT_GUI_CFLAGS $QT_WIDGETS_CFLAGS $QT_NETWORK_CFLAGS" - QT_LIBS="$QT_CORE_LIBS $QT_GUI_LIBS $QT_WIDGETS_LIBS $QT_NETWORK_LIBS" BITCOIN_QT_CHECK([ - PKG_CHECK_MODULES([QT_TEST], [${qt_lib_prefix}Test $qt_version], [QT_TEST_INCLUDES="$QT_TEST_CFLAGS"; have_qt_test=yes], [have_qt_test=no]) + PKG_CHECK_MODULES([QT_TEST], [${qt_lib_prefix}Test${qt_lib_suffix} $qt_version], [QT_TEST_INCLUDES="$QT_TEST_CFLAGS"; have_qt_test=yes], [have_qt_test=no]) if test "x$use_dbus" != xno; then PKG_CHECK_MODULES([QT_DBUS], [${qt_lib_prefix}DBus $qt_version], [QT_DBUS_INCLUDES="$QT_DBUS_CFLAGS"; have_qt_dbus=yes], [have_qt_dbus=no]) fi diff --git a/build-aux/m4/l_atomic.m4 b/build-aux/m4/l_atomic.m4 index 5201a8cc7c..40639dfe61 100644 --- a/build-aux/m4/l_atomic.m4 +++ b/build-aux/m4/l_atomic.m4 @@ -12,11 +12,17 @@ dnl warranty. m4_define([_CHECK_ATOMIC_testbody], [[ #include <atomic> #include <cstdint> + #include <chrono> + + using namespace std::chrono_literals; int main() { std::atomic<bool> lock{true}; std::atomic_exchange(&lock, false); + std::atomic<std::chrono::seconds> t{0s}; + t.store(2s); + std::atomic<int64_t> a{}; int64_t v = 5; diff --git a/build-aux/m4/l_socket.m4 b/build-aux/m4/l_socket.m4 new file mode 100644 index 0000000000..38923a98fc --- /dev/null +++ b/build-aux/m4/l_socket.m4 @@ -0,0 +1,36 @@ +# Illumos/SmartOS requires linking with -lsocket if +# using getifaddrs & freeifaddrs + +m4_define([_CHECK_SOCKET_testbody], [[ + #include <sys/types.h> + #include <ifaddrs.h> + + int main() { + struct ifaddrs *ifaddr; + getifaddrs(&ifaddr); + freeifaddrs(ifaddr); + } +]]) + +AC_DEFUN([CHECK_SOCKET], [ + + AC_LANG_PUSH(C++) + + AC_MSG_CHECKING([whether ifaddrs funcs can be used without link library]) + + AC_LINK_IFELSE([AC_LANG_SOURCE([_CHECK_SOCKET_testbody])],[ + AC_MSG_RESULT([yes]) + ],[ + AC_MSG_RESULT([no]) + LIBS="$LIBS -lsocket" + AC_MSG_CHECKING([whether getifaddrs needs -lsocket]) + AC_LINK_IFELSE([AC_LANG_SOURCE([_CHECK_SOCKET_testbody])],[ + AC_MSG_RESULT([yes]) + ],[ + AC_MSG_RESULT([no]) + AC_MSG_FAILURE([cannot figure out how to use getifaddrs]) + ]) + ]) + + AC_LANG_POP +]) |