libraries/SimGear: Updated for version 2020.3.2.

Signed-off-by: Dave Woodfall <dave@slackbuilds.org>

Signed-off-by: Willy Sudiarto Raharjo <willysr@slackbuilds.org>

libraries/SimGear/README

@@ -1,6 +1,3 @@
-SimGear is a set of open-source libraries designed to be used as building
-blocks for quickly assembling 3d simulations, games, and visualization
-applications.
-
-For those wanting to build this in current (15.0 EXPERIMENTAL), pass
-CURRENT=yes to the script.
+SimGear is a set of open-source libraries designed to be used as
+building blocks for quickly assembling 3d simulations, games, and
+visualization applications.

libraries/SimGear/SimGear-version.patch

@@ -1,29 +0,0 @@
-diff -Naur simgear-2020.1.2/CMakeLists.txt simgear-2020.1.2.new/CMakeLists.txt
---- simgear-2020.1.2/CMakeLists.txt	2020-05-24 11:13:35.000000000 -0400
-+++ simgear-2020.1.2.new/CMakeLists.txt	2020-06-01 09:36:21.608814301 -0400
-@@ -43,13 +43,13 @@
- set(CMAKE_CXX_STANDARD_REQUIRED YES)
- 
- # read 'version' file into a variable (stripping any newlines or spaces)
--file(READ version versionFile)
-+file(READ simgear-version versionFile)
- string(STRIP ${versionFile} SIMGEAR_VERSION)
- 
- project(SimGear VERSION ${SIMGEAR_VERSION} LANGUAGES C CXX)
- 
- # add a dependency on the version file
--set_property(DIRECTORY APPEND PROPERTY CMAKE_CONFIGURE_DEPENDS version)
-+set_property(DIRECTORY APPEND PROPERTY CMAKE_CONFIGURE_DEPENDS simgear-version)
- 
- set_property(GLOBAL PROPERTY FIND_LIBRARY_USE_LIB64_PATHS TRUE)
- 
-diff -Naur simgear-2020.1.2/simgear-version simgear-2020.1.2.new/simgear-version
---- simgear-2020.1.2/simgear-version	1969-12-31 19:00:00.000000000 -0500
-+++ simgear-2020.1.2.new/simgear-version	2020-05-24 11:13:36.000000000 -0400
-@@ -0,0 +1 @@
-+2020.1.2
-diff -Naur simgear-2020.1.2/version simgear-2020.1.2.new/version
---- simgear-2020.1.2/version	2020-05-24 11:13:36.000000000 -0400
-+++ simgear-2020.1.2.new/version	1969-12-31 19:00:00.000000000 -0500
-@@ -1 +0,0 @@
--2020.1.2

libraries/SimGear/SimGear.SlackBuild

@@ -3,6 +3,7 @@
 
 # Copyright before version 2016.3.1 by Diego Pantano  <poplin.dp@gmail.com>
 # Copyright 2016-2018 Panagiotis Nikolaou, Culver City, CA
+# Copyright 2020 Lenard Spencer, Orlando, Florida, USA
 # All rights reserved.
 #
 # Redistribution and use of this script, with or without modification, is
@@ -24,7 +25,7 @@
 
 PRGNAM=SimGear
 SRCNAM=simgear
-VERSION=${VERSION:-2020.1.2}
+VERSION=${VERSION:-2020.3.2}
 BUILD=${BUILD:-1}
 TAG=${TAG:-_SBo}
 
@@ -70,22 +71,11 @@ find -L . \
  \( -perm 666 -o -perm 664 -o -perm 640 -o -perm 600 -o -perm 444 \
   -o -perm 440 -o -perm 400 \) -exec chmod 644 {} \;
 
-# Option to build on -current
-if [ "${CURRENT:-no}" = "yes" ]; then
-  BOOSTOPT="-DBoost_NO_BOOST_CMAKE=ON"
-  # patch for the new boost:
-  patch -p1 < $CWD/simgear-enable-if.patch
-  # Thanks Gentoo for this one
-  patch -p1 < $CWD/SimGear-version.patch
-else
-  BOOSTOPT=""
-fi
-
 mkdir -p build
 cd build
   cmake \
     -DCMAKE_C_FLAGS:STRING="$SLKCFLAGS" \
-    -DCMAKE_CXX_FLAGS:STRING="$SLKCFLAGS" \
+    -DCMAKE_CXX_FLAGS:STRING="$SLKCFLAGS -fpermissive" \
     -DCMAKE_INSTALL_PREFIX=/usr \
     -DSIMGEAR_SHARED=ON \
     -DSYSTEM_EXPAT=ON \

libraries/SimGear/SimGear.info

@@ -1,8 +1,8 @@
 PRGNAM="SimGear"
-VERSION="2020.1.2"
+VERSION="2020.3.2"
 HOMEPAGE="http://wiki.flightgear.org/SimGear"
-DOWNLOAD="https://downloads.sourceforge.net/flightgear/simgear-2020.1.2.tar.bz2"
-MD5SUM="72b30525f3c9f538535574403ea3d4ab"
+DOWNLOAD="https://downloads.sourceforge.net/flightgear/simgear-2020.3.2.tar.bz2"
+MD5SUM="a88945b4823d2387dd6985fd8f7d505d"
 DOWNLOAD_x86_64=""
 MD5SUM_x86_64=""
 REQUIRES="OpenSceneGraph freealut plib"

libraries/SimGear/simgear-enable-if.patch

@@ -1,12 +0,0 @@
-diff --git a/simgear/nasal/cppbind/NasalHash.hxx b/simgear/nasal/cppbind/NasalHash.hxx
-index aac672fd..2ee7d044 100644
---- a/simgear/nasal/cppbind/NasalHash.hxx
-+++ b/simgear/nasal/cppbind/NasalHash.hxx
-@@ -23,6 +23,7 @@
- #include "to_nasal.hxx"
- 
- #include <simgear/structure/map.hxx>
-+#include <boost/core/enable_if.hpp>
- #include <boost/iterator/iterator_facade.hpp>
- 
- namespace nasal