From 11daf1c0a118f6588e38d64458bfd7eecfbd545e Mon Sep 17 00:00:00 2001
From: Benjamin Trigona-Harany <slackbuilds@jaxartes.net>
Date: Sat, 17 Apr 2021 13:08:44 +0200
Subject: [PATCH] academic/ITK: Downgrade and add GCC 10 support.

---
 academic/ITK/ITK.SlackBuild | 41 +++++++++++++++++++++++++++++++++----
 academic/ITK/ITK.info       |  8 ++++----
 2 files changed, 41 insertions(+), 8 deletions(-)

diff --git a/academic/ITK/ITK.SlackBuild b/academic/ITK/ITK.SlackBuild
index fd9e8128f0..b5974946e1 100644
--- a/academic/ITK/ITK.SlackBuild
+++ b/academic/ITK/ITK.SlackBuild
@@ -26,7 +26,7 @@
 
 PRGNAM=ITK
 SRCNAM=InsightToolkit
-VERSION=${VERSION:-5.1.2}
+VERSION=${VERSION:-4.13.2}
 BUILD=${BUILD:-1}
 TAG=${TAG:-_SBo}
 
@@ -63,7 +63,7 @@ rm -rf $PKG
 mkdir -p $TMP $PKG $OUTPUT
 cd $TMP
 rm -rf $SRCNAM-$VERSION
-tar xvf $CWD/$SRCNAM-$VERSION.tar.gz
+tar xvf $CWD/$SRCNAM-$VERSION.tar.xz
 cd $SRCNAM-$VERSION
 chown -R root:root .
 find -L . \
@@ -72,13 +72,46 @@ 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 {} \;
 
+patch -p1 <<'endpatch'
+--- InsightToolkit-4.13.2/Modules/ThirdParty/VNL/src/vxl/vcl/vcl_compiler.h.cp
++++ InsightToolkit-4.13.2/Modules/ThirdParty/VNL/src/vxl/vcl/vcl_compiler.h
+@@ -96,6 +96,28 @@
+ #   define VCL_GCC_81
+ #  else
+ #   define VCL_GCC_80
++#  endif
++# elif (__GNUC__==9)
++#  define VCL_GCC_9
++#  if (__GNUC_MINOR__ > 2 )
++#   define VCL_GCC_93
++#  elif (__GNUC_MINOR__ > 1 )
++#   define VCL_GCC_92
++#  elif (__GNUC_MINOR__ > 0 )
++#   define VCL_GCC_91
++#  else
++#   define VCL_GCC_90
++#  endif
++# elif (__GNUC__==10)
++#  define VCL_GCC_10
++#  if (__GNUC_MINOR__ > 2 )
++#   define VCL_GCC_103
++#  elif (__GNUC_MINOR__ > 1 )
++#   define VCL_GCC_102
++#  elif (__GNUC_MINOR__ > 0 )
++#   define VCL_GCC_101
++#  else
++#   define VCL_GCC_100
+ #  endif
+ # else
+ #  error "Dunno about this gcc"
+endpatch
+
 sed -i "s/lib\b/lib${LIBDIRSUFFIX}/" CMakeLists.txt
 sed -i "s|/opj_config.h|& \$\{CMAKE_CURRENT_BINARY_DIR\}/openjpeg_mangle.h|" \
     Modules/ThirdParty/GDCM/src/gdcm/Utilities/gdcmopenjpeg/src/lib/openjp2/CMakeLists.txt
 
 mkdir -p build
 cd build
-  export "PATH=/opt/cmake-202x/bin:$PATH"
   cmake \
     -DCMAKE_C_FLAGS="$SLKCFLAGS" \
     -DCMAKE_CXX_FLAGS="$SLKCFLAGS" \
@@ -89,7 +122,7 @@ cd build
     -DBUILD_EXAMPLES=OFF \
     -DITK_USE_SYSTEM_LIBRARIES=ON \
     -DITK_USE_SYSTEM_DCMTK=ON \
-    -DITK_USE_SYSTEM_EIGEN=OFF \
+    -DITK_USE_SYSTEM_DOUBLECONVERSION=ON \
     -DITK_USE_SYSTEM_EXPAT=ON \
     -DITK_USE_SYSTEM_FFTW=ON \
     -DITK_USE_SYSTEM_HDF5=ON \
diff --git a/academic/ITK/ITK.info b/academic/ITK/ITK.info
index 9479aaaac9..d72260cfa6 100644
--- a/academic/ITK/ITK.info
+++ b/academic/ITK/ITK.info
@@ -1,10 +1,10 @@
 PRGNAM="ITK"
-VERSION="5.1.2"
+VERSION="4.13.2"
 HOMEPAGE="https://itk.org"
-DOWNLOAD="https://github.com/InsightSoftwareConsortium/ITK/releases/download/v5.1.2/InsightToolkit-5.1.2.tar.gz"
-MD5SUM="e939fc61e7354eba20f98fbd7b034ec2"
+DOWNLOAD="https://github.com/InsightSoftwareConsortium/ITK/releases/download/v4.13.2/InsightToolkit-4.13.2.tar.xz"
+MD5SUM="d140ddabe22428e86bc5053e0d268872"
 DOWNLOAD_x86_64=""
 MD5SUM_x86_64=""
-REQUIRES="cmake-202x double-conversion gtest hdf5"
+REQUIRES="double-conversion gtest hdf5"
 MAINTAINER="Benjamin Trigona-Harany"
 EMAIL="slackbuilds@jaxartes.net"