diff options
Diffstat (limited to 'build-aux/m4')
| -rw-r--r-- | build-aux/m4/bitcoin_qt.m4 | 20 | ||||
| -rw-r--r-- | build-aux/m4/l_atomic.m4 | 40 |
2 files changed, 56 insertions, 4 deletions
diff --git a/build-aux/m4/bitcoin_qt.m4 b/build-aux/m4/bitcoin_qt.m4 index 74d9102674..d26136cbe9 100644 --- a/build-aux/m4/bitcoin_qt.m4 +++ b/build-aux/m4/bitcoin_qt.m4 @@ -331,8 +331,9 @@ AC_DEFUN([_BITCOIN_QT_FIND_STATIC_PLUGINS],[ QT_LIBS="$QT_LIBS -L$qt_plugin_path/accessible" fi fi - m4_ifdef([PKG_CHECK_MODULES],[ if test x$use_pkgconfig = xyes; then + : dnl + m4_ifdef([PKG_CHECK_MODULES],[ PKG_CHECK_MODULES([QTPLATFORM], [Qt5PlatformSupport], [QT_LIBS="$QTPLATFORM_LIBS $QT_LIBS"]) if test x$TARGET_OS = xlinux; then PKG_CHECK_MODULES([X11XCB], [x11-xcb], [QT_LIBS="$X11XCB_LIBS $QT_LIBS"]) @@ -342,12 +343,23 @@ AC_DEFUN([_BITCOIN_QT_FIND_STATIC_PLUGINS],[ elif test x$TARGET_OS = xdarwin; then PKG_CHECK_MODULES([QTPRINT], [Qt5PrintSupport], [QT_LIBS="$QTPRINT_LIBS $QT_LIBS"]) fi + ]) else - if ${PKG_CONFIG} --exists "Qt5Core >= 5.6" 2>/dev/null; then - QT_LIBS="-lQt5PlatformSupport $QT_LIBS" + if test x$TARGET_OS = xwindows; then + AC_CACHE_CHECK(for Qt >= 5.6, bitcoin_cv_need_platformsupport,[AC_COMPILE_IFELSE([AC_LANG_PROGRAM( + [[#include <QtCore>]],[[ + #if QT_VERSION < 0x050600 + choke; + #endif + ]])], + [bitcoin_cv_need_platformsupport=yes], + [bitcoin_cv_need_platformsupport=no]) + ]) + if test x$bitcoin_cv_need_platformsupport = xyes; then + BITCOIN_QT_CHECK(AC_CHECK_LIB([${QT_LIB_PREFIX}PlatformSupport],[main],,BITCOIN_QT_FAIL(lib$QT_LIB_PREFIXPlatformSupport not found))) + fi fi fi - ]) else if test x$qt_plugin_path != x; then QT_LIBS="$QT_LIBS -L$qt_plugin_path/accessible" diff --git a/build-aux/m4/l_atomic.m4 b/build-aux/m4/l_atomic.m4 new file mode 100644 index 0000000000..906724b640 --- /dev/null +++ b/build-aux/m4/l_atomic.m4 @@ -0,0 +1,40 @@ +# Some versions of gcc/libstdc++ require linking with -latomic if +# using the C++ atomic library. +# +# Sourced from http://bugs.debian.org/797228 + +m4_define([_CHECK_ATOMIC_testbody], [[ + #include <atomic> + #include <cstdint> + + int main() { + std::atomic<int64_t> a{}; + + int64_t v = 5; + int64_t r = a.fetch_add(v); + return static_cast<int>(r); + } +]]) + +AC_DEFUN([CHECK_ATOMIC], [ + + AC_LANG_PUSH(C++) + + AC_MSG_CHECKING([whether std::atomic can be used without link library]) + + AC_LINK_IFELSE([AC_LANG_SOURCE([_CHECK_ATOMIC_testbody])],[ + AC_MSG_RESULT([yes]) + ],[ + AC_MSG_RESULT([no]) + LIBS="$LIBS -latomic" + AC_MSG_CHECKING([whether std::atomic needs -latomic]) + AC_LINK_IFELSE([AC_LANG_SOURCE([_CHECK_ATOMIC_testbody])],[ + AC_MSG_RESULT([yes]) + ],[ + AC_MSG_RESULT([no]) + AC_MSG_FAILURE([cannot figure our how to use std::atomic]) + ]) + ]) + + AC_LANG_POP +]) |