sys-cluster/usort: new package, add 0_pre20211230

Signed-off-by: Alessandro Barbieri <lssndrbarbieri@gmail.com>

sys-cluster/usort/Manifest

@@ -0,0 +1 @@
+DIST usort-0_pre20211230.tar.gz 36255 BLAKE2B 1137c96141c3bdd26cdddb650224ae276e88eac2f8190210ba9673030f7867f110411040ba4415821fef9b85f1af737f3e880ab15ded164fe3cd8135fcf9d725 SHA512 82474b33e0c74d6ce78a4e34bbbbb0e666646a708bbd56b298e3ae054c0c9682bfe6ea126f4f88c7047ad34eb1bc8aec6936f5cfb867dd5b3254052361b397ea

sys-cluster/usort/files/usort-0_pre20211230-cmake.patch

@@ -0,0 +1,34 @@
+--- a/CMakeLists.txt
++++ b/CMakeLists.txt
+@@ -26,15 +26,25 @@
+ 
+ include_directories(include)
+ 
+-add_executable(usort src/main.cpp src/parUtils.cpp src/binUtils.cpp src/sort_profiler.cpp)
+-target_link_libraries(usort ${MPI_LIBRARIES} m)
++add_library(Usortlib src/parUtils.cpp src/binUtils.cpp)
++target_include_directories(Usortlib PUBLIC "${CMAKE_CURRENT_SOURCE_DIR}/include")
++target_link_libraries(Usortlib ${MPI_LIBRARIES} m)
++
++add_executable(usort src/main.cpp src/sort_profiler.cpp)
++target_include_directories(usort PUBLIC "${CMAKE_CURRENT_SOURCE_DIR}/include")
++target_link_libraries(usort ${MPI_LIBRARIES} m Usortlib)
+ 
+ if(MPI_COMPILE_FLAGS)
+-  set_target_properties(usort PROPERTIES
+-    COMPILE_FLAGS "${MPI_COMPILE_FLAGS}")
++  set_target_properties(Usortlib PROPERTIES COMPILE_FLAGS "${MPI_COMPILE_FLAGS}")
++  set_target_properties(usort PROPERTIES COMPILE_FLAGS "${MPI_COMPILE_FLAGS}")
+ endif()
+ 
+ if(MPI_LINK_FLAGS)
+-  set_target_properties(usort PROPERTIES
+-    LINK_FLAGS "${MPI_LINK_FLAGS}")
++  set_target_properties(Usortlib PROPERTIES LINK_FLAGS "${MPI_LINK_FLAGS}")
++  set_target_properties(usort PROPERTIES LINK_FLAGS "${MPI_LINK_FLAGS}")
+ endif()
++
++include(GNUInstallDirs)
++install(DIRECTORY "${CMAKE_CURRENT_SOURCE_DIR}/include/" DESTINATION "${CMAKE_INSTALL_INCLUDEDIR}/usort")
++install(TARGETS Usortlib LIBRARY DESTINATION "${CMAKE_INSTALL_LIBDIR}")
++install(TARGETS usort LIBRARY DESTINATION "${CMAKE_INSTALL_BINDIR}")

sys-cluster/usort/files/usort-0_pre20211230-rename-THRESHOLD.patch

@@ -0,0 +1,31 @@
+--- a/include/seqUtils.h
++++ b/include/seqUtils.h
+@@ -30,7 +30,7 @@
+    * The routine runs fastest with a uniform distribution of elements.
+    * The vector l is declare dynamically using the calloc function.
+    * The variable ctr counts the number of times that flashsort is called.
+-   * THRESHOLD is a very important constant.  It is the minimum number of 
++   * USORT_THRESHOLD is a very important constant.  It is the minimum number of 
+    * elements required in a subclass before recursion is used. 
+    *
+    * Templated version of flashsort based on original C code by 
+--- a/include/seqUtils.tcc
++++ b/include/seqUtils.tcc
+@@ -121,7 +121,7 @@
+   template <typename T>
+     void flashsort(T* a, int n, int m, int *ctr)
+     {
+-      const int THRESHOLD = 75;
++      const int USORT_THRESHOLD = 75;
+       const int CLASS_SIZE = 75;     /* minimum value for m */
+ 
+       /* declare variables */
+@@ -192,7 +192,7 @@
+         /**** Choice of RECURSION or STRAIGHT INSERTION *****/
+ 
+         for (k=0;k<(m-1);k++)
+-          if ( (nx = l[k+1]-l[k]) > THRESHOLD )  /* then use recursion */
++          if ( (nx = l[k+1]-l[k]) > USORT_THRESHOLD )  /* then use recursion */
+           {
+             flashsort(&a[l[k]+1],nx,CLASS_SIZE,ctr);
+             (*ctr)++;

sys-cluster/usort/metadata.xml

@@ -0,0 +1,12 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
+<pkgmetadata>
+	<maintainer type="person">
+		<name>Alessandro Barbieri</name>
+		<email>lssndrbarbieri@gmail.com</email>
+	</maintainer>
+	<upstream>
+		<bugs-to>https://github.com/hsundar/usort/issues</bugs-to>
+		<remote-id type="github">hsundar/usort</remote-id>
+	</upstream>
+</pkgmetadata>

sys-cluster/usort/usort-0_pre20211230.ebuild

@@ -0,0 +1,37 @@
+# Copyright 1999-2022 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+COMMIT="902f5e3cbba66833bbf2d219c183d4705b3582c7"
+
+inherit cmake
+
+DESCRIPTION='Fast distributed sorting routines using MPI and OpenMP'
+HOMEPAGE="https://github.com/hsundar/usort"
+SRC_URI="https://github.com/hsundar/${PN}/archive/${COMMIT}.tar.gz -> ${PF}.tar.gz"
+S="${WORKDIR}/${PN}-${COMMIT}"
+
+KEYWORDS="~amd64"
+LICENSE='MIT'
+IUSE=""
+SLOT="0"
+
+DEPEND="virtual/mpi"
+RDEPEND="${DEPEND}"
+BDEPEND="app-text/dos2unix"
+
+PATCHES=(
+	"${FILESDIR}/${P}-cmake.patch"
+	"${FILESDIR}/${P}-rename-THRESHOLD.patch"
+)
+
+src_prepare() {
+	dos2unix CMakeLists.txt || die
+	cmake_src_prepare
+}
+
+src_install() {
+	cmake_src_install
+	dodoc README.md
+}