add an explicit --disable-qrcodegen configure option

Change-Id: If8e965fa955aecdb9e7011bdddc690de9cad0c4d
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/103120
Tested-by: Jenkins
Reviewed-by: Caolán McNamara <caolanm@redhat.com>

RepositoryExternal.mk

@@ -4191,6 +4191,8 @@ gb_ExternalProject__use_qrcodegen :=
 
 else # !SYSTEM_QRCODEGEN
 
+ifneq ($(ENABLE_QRCODEGEN),)
+
 define gb_LinkTarget__use_qrcodegen
 $(call gb_LinkTarget_use_unpacked,$(1),qrcodegen)
 $(call gb_LinkTarget_set_include,$(1),\
@@ -4208,6 +4210,13 @@ $(call gb_ExternalProject_use_static_libraries,$(1),qrcodegen)
 
 endef
 
+else # !ENABLE_QRCODEGEN
+
+define gb_LinkTarget__use_qrcodegen
+endef
+
+endif # ENABLE_QRCODEGEN
+
 endif # SYSTEM_QRCODEGEN
 
 define gb_LinkTarget__use_dtoa

config_host.mk.in

@@ -501,6 +501,7 @@ export PYTHON_VERSION=@PYTHON_VERSION@
 export PYTHON_VERSION_MAJOR=@PYTHON_VERSION_MAJOR@
 export PYTHON_VERSION_MINOR=@PYTHON_VERSION_MINOR@
 export PYTHONWARNINGS=@PYTHONWARNINGS@
+export ENABLE_QRCODEGEN=@ENABLE_QRCODEGEN@
 export QRCODEGEN_CFLAGS=$(gb_SPACE)@QRCODEGEN_CFLAGS@
 export QRCODEGEN_LIBS=$(gb_SPACE)@QRCODEGEN_LIBS@
 export QT5_CFLAGS=$(gb_SPACE)@QT5_CFLAGS@

config_host/config_qrcodegen.h.in

@@ -0,0 +1,17 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ */
+
+#ifndef INCLUDED_CONFIG_QRCODEGEN_H
+#define INCLUDED_CONFIG_QRCODEGEN_H
+
+#define ENABLE_QRCODEGEN 0
+
+#endif
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */

configure.ac

@@ -2034,6 +2034,10 @@ AC_ARG_WITH(system-hunspell,
         [Use libhunspell already on system.]),,
     [with_system_hunspell="$with_system_libs"])
 
+libo_FUZZ_ARG_ENABLE(qrcodegen,
+    AS_HELP_STRING([--disable-qrcodegen],
+        [Disable use of qrcodegen external library.]))
+
 AC_ARG_WITH(system-qrcodegen,
     AS_HELP_STRING([--with-system-qrcodegen],
         [Use libqrcodegen already on system.]),,
@@ -10536,26 +10540,39 @@ AC_SUBST(HUNSPELL_LIBS)
 dnl ===================================================================
 dnl Check for system qrcodegen
 dnl ===================================================================
-AC_MSG_CHECKING([which libqrcodegen to use])
-if test "$with_system_qrcodegen" = "yes"; then
-    AC_MSG_RESULT([external])
-    SYSTEM_QRCODEGEN=TRUE
-    AC_LANG_PUSH([C++])
-    AC_CHECK_HEADER(qrcodegen/QrCode.hpp, [],
-        [AC_MSG_ERROR(qrcodegen headers not found.)], [#include <stdexcept>])
-    AC_CHECK_LIB([qrcodegencpp], [main], [:],
-        [ AC_MSG_ERROR(qrcodegen C++ library not found.) ], [])
-    QRCODEGEN_LIBS=-lqrcodegencpp
-    AC_LANG_POP([C++])
-    QRCODEGEN_CFLAGS=$(printf '%s' "$QRCODEGEN_CFLAGS" | sed -e "s/-I/${ISYSTEM?}/g")
-    FilterLibs "${QRCODEGEN_LIBS}"
-    QRCODEGEN_LIBS="${filteredlibs}"
-else
-    AC_MSG_RESULT([internal])
+AC_MSG_CHECKING([whether to use libqrcodegen])
+if test "$enable_libqrcodegen" = "no"; then
+    AC_MSG_RESULT([no])
+    ENABLE_QRCODEGEN=
     SYSTEM_QRCODEGEN=
-    BUILD_TYPE="$BUILD_TYPE QRCODEGEN"
+else
+    AC_MSG_RESULT([yes])
+    ENABLE_QRCODEGEN=TRUE
+    AC_MSG_CHECKING([which libqrcodegen to use])
+    if test "$with_system_qrcodegen" = "yes"; then
+        AC_MSG_RESULT([external])
+        SYSTEM_QRCODEGEN=TRUE
+        AC_LANG_PUSH([C++])
+        AC_CHECK_HEADER(qrcodegen/QrCode.hpp, [],
+            [AC_MSG_ERROR(qrcodegen headers not found.)], [#include <stdexcept>])
+        AC_CHECK_LIB([qrcodegencpp], [main], [:],
+            [ AC_MSG_ERROR(qrcodegen C++ library not found.) ], [])
+        QRCODEGEN_LIBS=-lqrcodegencpp
+        AC_LANG_POP([C++])
+        QRCODEGEN_CFLAGS=$(printf '%s' "$QRCODEGEN_CFLAGS" | sed -e "s/-I/${ISYSTEM?}/g")
+        FilterLibs "${QRCODEGEN_LIBS}"
+        QRCODEGEN_LIBS="${filteredlibs}"
+    else
+        AC_MSG_RESULT([internal])
+        SYSTEM_QRCODEGEN=
+        BUILD_TYPE="$BUILD_TYPE QRCODEGEN"
+    fi
+    if test "$ENABLE_QRCODEGEN" = TRUE; then
+        AC_DEFINE(ENABLE_QRCODEGEN)
+    fi
 fi
 AC_SUBST(SYSTEM_QRCODEGEN)
+AC_SUBST(ENABLE_QRCODEGEN)
 AC_SUBST(QRCODEGEN_CFLAGS)
 AC_SUBST(QRCODEGEN_LIBS)
 
@@ -13815,6 +13832,7 @@ AC_CONFIG_HEADERS([config_host/config_mpl.h])
 AC_CONFIG_HEADERS([config_host/config_oox.h])
 AC_CONFIG_HEADERS([config_host/config_options.h])
 AC_CONFIG_HEADERS([config_host/config_options_calc.h])
+AC_CONFIG_HEADERS([config_host/config_qrcodegen.h])
 AC_CONFIG_HEADERS([config_host/config_skia.h])
 AC_CONFIG_HEADERS([config_host/config_typesizes.h])
 AC_CONFIG_HEADERS([config_host/config_vendor.h])

cui/source/dialogs/QrCodeGenDialog.cxx

@@ -17,11 +17,15 @@
 #include <utility>
 #include <vcl/svapp.hxx>
 
+#include <config_qrcodegen.h>
+
+#if ENABLE_QRCODEGEN
 #if defined(SYSTEM_QRCODEGEN)
 #include <qrcodegen/QrCode.hpp>
 #else
 #include <QrCode.hpp>
 #endif
+#endif
 
 #include <com/sun/star/beans/XPropertySet.hpp>
 #include <com/sun/star/drawing/XDrawPageSupplier.hpp>
@@ -56,7 +60,9 @@ using namespace css::sheet;
 using namespace css::text;
 using namespace css::drawing;
 using namespace css::graphic;
+#if ENABLE_QRCODEGEN
 using namespace qrcodegen;
+#endif
 
 QrCodeGenDialog::QrCodeGenDialog(weld::Widget* pParent, Reference<XModel> xModel,
                                  bool bEditExisting)
@@ -104,6 +110,7 @@ QrCodeGenDialog::QrCodeGenDialog(weld::Widget* pParent, Reference<XModel> xModel
 
 short QrCodeGenDialog::run()
 {
+#if ENABLE_QRCODEGEN
     short nRet;
     while (true)
     {
@@ -127,10 +134,14 @@ short QrCodeGenDialog::run()
             break;
     }
     return nRet;
+#else
+    return RET_CANCEL;
+#endif
 }
 
 void QrCodeGenDialog::Apply()
 {
+#if ENABLE_QRCODEGEN
     css::drawing::QRCode aQRCode;
     aQRCode.Payload = m_xEdittext->get_text();
 
@@ -250,13 +261,12 @@ void QrCodeGenDialog::Apply()
         //Not implemented for math,base and other apps.
         throw uno::RuntimeException("Not implemented");
     }
+#endif
 }
 
 OUString QrCodeGenDialog::GenerateQRCode(OUString aQRText, long aQRECC, int aQRBorder)
 {
-#if ENABLE_FUZZERS
-    return OUString();
-#else
+#if ENABLE_QRCODEGEN
     //Select ECC:: value from aQrECC
     qrcodegen::QrCode::Ecc bqrEcc = qrcodegen::QrCode::Ecc::LOW;
 
@@ -293,6 +303,11 @@ OUString QrCodeGenDialog::GenerateQRCode(OUString aQRText, long aQRECC, int aQRB
     std::string svg = qr0.toSvgString(aQRBorder);
     //cstring to OUString
     return OUString::createFromAscii(svg.c_str());
+#else
+    (void)aQRText;
+    (void)aQRECC;
+    (void)aQRBorder;
+    return OUString();
 #endif
 }
 

distro-configs/LibreOfficeOssFuzz.conf

@@ -16,5 +16,6 @@
 --disable-dbus
 --disable-cups
 --disable-odk
+--disable-qrcodegen
 --without-java
 --enable-ld=gold

external/qrcodegen/Module_qrcodegen.mk

@@ -13,8 +13,12 @@ $(eval $(call gb_Module_add_targets,qrcodegen,\
 	UnpackedTarball_qrcodegen \
 ))
 
+ifeq ($(ENABLE_QRCODEGEN),TRUE)
+
 $(eval $(call gb_Module_add_targets,qrcodegen,\
 	StaticLibrary_qrcodegen \
 ))
 
+endif
+
 # vim: set noet sw=4 ts=4: