libixion: update to 0.15.0

Revision 2 because 0.15.0_1 already existed once.

common/shlibs

@@ -2503,7 +2503,7 @@ libCbc.so.3 CoinMP-1.8.3_1
 libOsiCommonTests.so.1 CoinMP-1.8.3_1
 libCbcSolver.so.3 CoinMP-1.8.3_1
 libmwaw-0.3.so.3 libmwaw-0.3.7_1
-libixion-0.14.so.0 libixion-0.14.1_1
+libixion-0.15.so.0 libixion-0.15.0_2
 liborcus-parser-0.14.so.0 liborcus-0.14.1_1
 liborcus-mso-0.14.so.0 liborcus-0.14.1_1
 liborcus-0.14.so.0 liborcus-0.14.1_1

srcpkgs/libixion/patches/nullptr_t.patch

@@ -0,0 +1,11 @@
+--- include/ixion/model_context.hpp	2019-03-09 05:05:04.000000000 +0100
++++ include/ixion/model_context.hpp	2020-01-29 21:50:49.831725062 +0100
+@@ -61,7 +61,7 @@
+         } value;
+ 
+         /** Initializes the cell to be empty. */
+-        input_cell(nullptr_t);
++        input_cell(std::nullptr_t);
+         /** Boolean cell value. */
+         input_cell(bool b);
+         /** The char array must be null-terminated. */

srcpkgs/libixion/template

@@ -1,17 +1,16 @@
 # Template file for 'libixion'
 pkgname=libixion
-reverts="0.15.0_1"
-version=0.14.1
-revision=4
+version=0.15.0
+revision=2
 build_style=gnu-configure
 hostmakedepends="pkg-config python3"
-makedepends="boost-devel mdds python3-devel"
+makedepends="boost-devel mdds python3-devel spdlog"
 short_desc="General purpose formula parser and interpreter"
 maintainer="Jürgen Buchmüller <pullmoll@t-online.de>"
 license="MPL-2.0"
 homepage="https://gitlab.com/ixion/ixion/"
 distfiles="http://kohei.us/files/ixion/src/${pkgname}-${version}.tar.xz"
-checksum=6ad1384fcf813083c6d981a16b2643c953f9bac4c2caf1ed1682921d9b69ed91
+checksum=b1f60af61be875e3bfa7ad18203a6c8ccdeb9922a531e196029fc42fbfa0b9e6
 replaces="libixion11>=0"
 
 libixion-devel_package() {