Auto merge of #1636 - daira:fix-licensing-and-remove-qt, r=str4d

Remove QT code

This removes the QT wallet code, and updates license documentation accordingly.

configure.ac

@@ -105,11 +105,6 @@ AC_ARG_ENABLE(tests,
     [use_tests=$enableval],
     [use_tests=yes])
 
-AC_ARG_ENABLE(gui-tests,
-    AS_HELP_STRING([--disable-gui-tests],[do not compile GUI tests (default is to compile if GUI and tests enabled)]),
-    [use_gui_tests=$enableval],
-    [use_gui_tests=$use_tests])
-
 AC_ARG_WITH([comparison-tool],
     AS_HELP_STRING([--with-comparison-tool],[path to java comparison tool (requires --enable-tests)]),
     [use_comparison_tool=$withval],
@@ -120,12 +115,6 @@ AC_ARG_ENABLE([comparison-tool-reorg-tests],
     [use_comparison_tool_reorg_tests=$enableval],
     [use_comparison_tool_reorg_tests=no])
 
-AC_ARG_WITH([qrencode],
-  [AS_HELP_STRING([--with-qrencode],
-  [enable QR code support (default is yes if qt is enabled and libqrencode is found)])],
-  [use_qr=$withval],
-  [use_qr=auto])
-
 AC_ARG_ENABLE([hardening],
   [AS_HELP_STRING([--enable-hardening],
   [attempt to harden the resulting executables (default is yes)])],
@@ -301,11 +290,10 @@ case $host in
          dnl in expected paths because they may conflict with system files. Ask
          dnl Homebrew where each one is located, then adjust paths accordingly.
          dnl It's safe to add these paths even if the functionality is disabled by
-         dnl the user (--without-wallet or --without-gui for example).
+         dnl the user (--without-wallet for example).
 
          openssl_prefix=`$BREW --prefix openssl 2>/dev/null`
          bdb_prefix=`$BREW --prefix berkeley-db4 2>/dev/null`
-         qt5_prefix=`$BREW --prefix qt5 2>/dev/null`
          if test x$openssl_prefix != x; then
            PKG_CONFIG_PATH="$openssl_prefix/lib/pkgconfig:$PKG_CONFIG_PATH"
            export PKG_CONFIG_PATH
@@ -314,10 +302,6 @@ case $host in
            CPPFLAGS="$CPPFLAGS -I$bdb_prefix/include"
            LIBS="$LIBS -L$bdb_prefix/lib"
          fi
-         if test x$qt5_prefix != x; then
-           PKG_CONFIG_PATH="$qt5_prefix/lib/pkgconfig:$PKG_CONFIG_PATH"
-           export PKG_CONFIG_PATH
-         fi
        fi
      else
        case $build_os in
@@ -553,12 +537,7 @@ if test x$use_upnp != xno; then
   )
 fi
 
-BITCOIN_QT_INIT
-
-dnl sets $bitcoin_enable_qt, $bitcoin_enable_qt_test, $bitcoin_enable_qt_dbus
-BITCOIN_QT_CONFIGURE([$use_pkgconfig], [qt4])
-
-if test x$build_bitcoin_utils$build_bitcoind$bitcoin_enable_qt$use_tests = xnononono; then
+if test x$build_bitcoin_utils$build_bitcoind$use_tests = xnonono; then
     use_boost=no
 else
     use_boost=yes
@@ -702,10 +681,6 @@ if test x$use_pkgconfig = xyes; then
     [
       PKG_CHECK_MODULES([SSL], [libssl],, [AC_MSG_ERROR(openssl  not found.)])
       PKG_CHECK_MODULES([CRYPTO], [libcrypto],,[AC_MSG_ERROR(libcrypto  not found.)])
-      BITCOIN_QT_CHECK([PKG_CHECK_MODULES([PROTOBUF], [protobuf], [have_protobuf=yes], [BITCOIN_QT_FAIL(libprotobuf not found)])])
-      if test x$use_qr != xno; then
-        BITCOIN_QT_CHECK([PKG_CHECK_MODULES([QR], [libqrencode], [have_qrencode=yes], [have_qrencode=no])])
-      fi
 
       if test "x$use_zmq" = "xyes"; then
         PKG_CHECK_MODULES([ZMQ],[libzmq >= 4],
@@ -750,12 +725,6 @@ else
       ;;
     esac
   fi
-
-  BITCOIN_QT_CHECK(AC_CHECK_LIB([protobuf] ,[main],[PROTOBUF_LIBS=-lprotobuf], BITCOIN_QT_FAIL(libprotobuf not found)))
-  if test x$use_qr != xno; then
-    BITCOIN_QT_CHECK([AC_CHECK_LIB([qrencode], [main],[QR_LIBS=-lqrencode], [have_qrencode=no])])
-    BITCOIN_QT_CHECK([AC_CHECK_HEADER([qrencode.h],, have_qrencode=no)])
-  fi
 fi
 
 # These packages don't provide pkgconfig config files across all
@@ -792,8 +761,6 @@ AC_CHECK_HEADER([openssl/ec.h],, AC_MSG_ERROR(OpenSSL ec header missing),)
 CXXFLAGS="$CXXFLAGS_TEMP"
 LIBS="$LIBS_TEMP"
 
-BITCOIN_QT_PATH_PROGS([PROTOC], [protoc],$protoc_bin_path)
-
 AC_MSG_CHECKING([whether to build bitcoind])
 AM_CONDITIONAL([BUILD_BITCOIND], [test x$build_bitcoind = xyes])
 AC_MSG_RESULT($build_bitcoind)
@@ -879,46 +846,6 @@ else
   fi
 fi
 
-dnl these are only used when qt is enabled
-BUILD_TEST_QT=""
-if test x$bitcoin_enable_qt != xno; then
-  dnl enable dbus support
-  AC_MSG_CHECKING([whether to build GUI with support for D-Bus])
-  if test x$bitcoin_enable_qt_dbus != xno; then
-    AC_DEFINE([USE_DBUS],[1],[Define if dbus support should be compiled in])
-  fi
-  AC_MSG_RESULT($bitcoin_enable_qt_dbus)
-
-  dnl enable qr support
-  AC_MSG_CHECKING([whether to build GUI with support for QR codes])
-  if test x$have_qrencode = xno; then
-    if test x$use_qr = xyes; then
-     AC_MSG_ERROR("QR support requested but cannot be built. use --without-qrencode")
-    fi
-    AC_MSG_RESULT(no)
-  else
-    if test x$use_qr != xno; then
-      AC_MSG_RESULT(yes)
-      AC_DEFINE([USE_QRCODE],[1],[Define if QR support should be compiled in])
-      use_qr=yes
-    else
-      AC_MSG_RESULT(no)
-    fi
-  fi
-
-  if test x$XGETTEXT = x; then
-    AC_MSG_WARN("xgettext is required to update qt translations")
-  fi
-
-  AC_MSG_CHECKING([whether to build test_bitcoin-qt])
-  if test x$use_gui_tests$bitcoin_enable_qt_test = xyesyes; then
-    AC_MSG_RESULT([yes])
-    BUILD_TEST_QT="yes"
-  else
-    AC_MSG_RESULT([no])
-  fi
-fi
-
 AM_CONDITIONAL([ENABLE_ZMQ], [test "x$use_zmq" = "xyes"])
 
 AC_MSG_CHECKING([whether to build test_bitcoin])
@@ -937,8 +864,8 @@ else
   AC_MSG_RESULT([no])
 fi
 
-if test x$build_bitcoin_utils$build_bitcoin_libs$build_bitcoind$bitcoin_enable_qt$use_tests = xnonononono; then
-  AC_MSG_ERROR([No targets! Please specify at least one of: --with-utils --with-libs --with-daemon --with-gui or --enable-tests])
+if test x$build_bitcoin_utils$build_bitcoin_libs$build_bitcoind$use_tests = xnononono; then
+  AC_MSG_ERROR([No targets! Please specify at least one of: --with-utils --with-libs --with-daemon or --enable-tests])
 fi
 
 AM_CONDITIONAL([TARGET_DARWIN], [test x$TARGET_OS = xdarwin])
@@ -947,9 +874,6 @@ AM_CONDITIONAL([TARGET_WINDOWS], [test x$TARGET_OS = xwindows])
 AM_CONDITIONAL([ENABLE_WALLET],[test x$enable_wallet = xyes])
 AM_CONDITIONAL([ENABLE_MINING],[test x$enable_mining = xyes])
 AM_CONDITIONAL([ENABLE_TESTS],[test x$BUILD_TEST = xyes])
-AM_CONDITIONAL([ENABLE_QT],[test x$bitcoin_enable_qt = xyes])
-AM_CONDITIONAL([ENABLE_QT_TESTS],[test x$BUILD_TEST_QT = xyes])
-AM_CONDITIONAL([USE_QRCODE], [test x$use_qr = xyes])
 AM_CONDITIONAL([USE_LCOV],[test x$use_lcov = xyes])
 AM_CONDITIONAL([USE_COMPARISON_TOOL],[test x$use_comparison_tool != xno])
 AM_CONDITIONAL([USE_COMPARISON_TOOL_REORG_TESTS],[test x$use_comparison_tool_reorg_test != xno])
@@ -972,7 +896,6 @@ AC_SUBST(COPYRIGHT_YEAR, _COPYRIGHT_YEAR)
 AC_SUBST(RELDFLAGS)
 AC_SUBST(LIBTOOL_APP_LDFLAGS)
 AC_SUBST(USE_UPNP)
-AC_SUBST(USE_QRCODE)
 AC_SUBST(BOOST_LIBS)
 AC_SUBST(TESTDEFS)
 AC_SUBST(LEVELDB_TARGET_FLAGS)
@@ -982,7 +905,7 @@ AC_SUBST(GMP_LIBS)
 AC_SUBST(GMPXX_LIBS)
 AC_SUBST(LIBSNARK_LIBS)
 AC_SUBST(LIBZCASH_LIBS)
-AC_CONFIG_FILES([Makefile src/Makefile doc/man/Makefile share/setup.nsi share/qt/Info.plist src/test/buildenv.py])
+AC_CONFIG_FILES([Makefile src/Makefile doc/man/Makefile share/setup.nsi src/test/buildenv.py])
 AC_CONFIG_FILES([qa/pull-tester/run-bitcoind-for-test.sh],[chmod +x qa/pull-tester/run-bitcoind-for-test.sh])
 AC_CONFIG_FILES([qa/pull-tester/tests-config.sh],[chmod +x qa/pull-tester/tests-config.sh])