!15 fix build error caused by GCC upgrade to 10

From: @lipingEmmaSiguyi
Reviewed-by: @small_leek,@wangchong1995924
Signed-off-by: @wangchong1995924

eclipse.spec

@@ -11,7 +11,7 @@
 Name:                eclipse
 Epoch:               1
 Version:             4.11
-Release:             2
+Release:             3
 Summary:             An open, extensible IDE
 License:             EPL-2.0
 URL:                 http://www.eclipse.org/
@@ -35,6 +35,7 @@ Patch27:             eclipse-disable-droplets-in-dropins.patch
 Patch28:             prefer_x11_backend.patch
 Patch29:             fix_ant_build.patch
 Patch30:             eclipse-hide-droplets-from-install-wizard.patch
+Patch31:             org-eclipse-swt.patch
 ExcludeArch:         s390 %{arm} %{ix86}
 BuildRequires:       maven-local tycho tycho-extras cbi-plugins maven-antrun-plugin
 BuildRequires:       maven-assembly-plugin maven-dependency-plugin maven-enforcer-plugin
@@ -201,6 +202,7 @@ rm -rf rt.equinox.binaries/org.eclipse.equinox.executable/{bin,contributed}/
 %endif
 %patch29
 %patch30 -p1
+%patch31
 rm eclipse.platform.swt/tests/org.eclipse.swt.tests.gtk/ManualTests/org/eclipse/swt/tests/gtk/accessibility/Bug543949_ComponentExtentsTest.py
 %pom_remove_dep :tycho-buildtimestamp-jgit eclipse-platform-parent
 %pom_remove_dep :tycho-sourceref-jgit eclipse-platform-parent
@@ -743,6 +745,9 @@ echo "%{version}-%{release}" > %{buildroot}%{_eclipsedir}/.pkgs/Distro%{?dist}
 %{_eclipsedir}/plugins/org.eclipse.osgi.util_*
 
 %changelog
+* Sat Jul 31 2021 liping<liping136@huawei.com> - 1:4.11-3
+- fix by upgrade to GCC-10
+
 * Tue Aug 25 2020 yanan li <liyanan032@huawei.com> - 1:4.11-2
 - modify the bootstrap parameter to 1
 

org-eclipse-swt.patch

@@ -0,0 +1,11 @@
+--- "eclipse.platform.swt/bundles/org.eclipse.swt/Eclipse SWT PI/gtk/library/os_custom.h.org"	2021-08-02 13:18:59.832947231 +0800
++++ "eclipse.platform.swt/bundles/org.eclipse.swt/Eclipse SWT PI/gtk/library/os_custom.h"	2021-08-02 13:19:34.425509217 +0800
+@@ -105,7 +105,7 @@
+ glong g_utf8_offset_to_utf16_offset(const gchar*, glong);
+
+ // Cached JVM pointer: see bug 521487.
+-JavaVM *cached_jvm;
++extern JavaVM *cached_jvm;
+
+ #define SWT_TYPE_FIXED (swt_fixed_get_type ())
+ #define SWT_FIXED(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), SWT_TYPE_FIXED, SwtFixed))