extra/cantor to 18.08.0-4

extra/cantor/PKGBUILD

@@ -8,7 +8,7 @@
 
 pkgname=cantor
 pkgver=18.08.0
-pkgrel=3
+pkgrel=4
 pkgdesc="KDE Frontend to Mathematical Software"
 url="https://kde.org/applications/education/cantor/"
 arch=(x86_64)
@@ -24,11 +24,12 @@ optdepends=('maxima: Maxima backend'
 	    'python2: Python 2 backend'
             'sagemath: SageMath backend')
 source=("https://download.kde.org/stable/applications/$pkgver/src/$pkgname-$pkgver.tar.xz"{,.sig}
-        cantor-julia.patch::"https://cgit.kde.org/cantor.git/patch/?id=90b001d1" cantor-julia-0.7.patch)
+        cantor-julia.patch::"https://cgit.kde.org/cantor.git/patch/?id=90b001d1" cantor-julia-0.7.patch sage-8.3.patch)
 sha256sums=('be6167ec88504091e9fa9914e0bd1fbb13637fb2b2b228c9274225db6dc85823'
             'SKIP'
             '366e1a734a968c4a933e91342308e4d18108c1bc023572848747ca6a2ec656f7'
-            'cf031eb1891a97f964c9147a4ff4d7e69f3821eee8fb5dab0693c6483dacd4ee')
+            'cf031eb1891a97f964c9147a4ff4d7e69f3821eee8fb5dab0693c6483dacd4ee'
+            '78c90097749e53433641b3acfd637b2aaa12f04c03a304b71c2cc5a5672cb4de')
 validpgpkeys=(CA262C6C83DE4D2FB28A332A3A6A4DB839EAA6D7  # Albert Astals Cid <aacid@kde.org>
               F23275E4BF10AFC1DF6914A6DBD2CE893E2D1C87) # Christoph Feck <cfeck@kde.org>
 
@@ -38,6 +39,7 @@ prepare() {
   cd $pkgname-$pkgver
   patch -p1 -i ../cantor-julia.patch # Fix julia backend build
   patch -p1 -i ../cantor-julia-0.7.patch # support julia>=0.7
+  patch -p1 -i ../sage-8.3.patch # fix sagemath backend with 8.3
 }
 
 build() {

extra/cantor/sage-8.3.patch

@@ -0,0 +1,13 @@
+diff --git a/src/backends/sage/sagesession.cpp b/src/backends/sage/sagesession.cpp
+index c2973a8a..f23914ad 100644
+--- a/src/backends/sage/sagesession.cpp
++++ b/src/backends/sage/sagesession.cpp
+@@ -118,7 +118,7 @@ void SageSession::login()
+     m_process=new KPtyProcess(this);
+     updateSageVersion();
+     const QString& sageExecFile = SageSettings::self()->path().toLocalFile();
+-    if (m_sageVersion >= SageSession::VersionInfo(8, 3))
++    if (m_sageVersion >= SageSession::VersionInfo(8, 4))
+         m_process->setProgram(sageExecFile, QStringList() << QLatin1String("--simple-prompt"));
+     else
+         {