From db9e40d60fb1f6e58a471d24b802d02291510c34 Mon Sep 17 00:00:00 2001
From: jianda sheng <sheng_jianda@sina.com>
Date: Thu, 10 Aug 2023 01:11:04 +0800
Subject: [PATCH 1/2] metis can be used as submodul, with gklib is also
 submodule. cmake create the metis.h when generate.

---
 .gitignore                      |  2 ++
 CMakeLists.txt                  | 49 +++++++++++++++-------------
 conf/gkbuild.cmake              | 58 ++++++++++++++++-----------------
 include/{metis.h => metis.h.in} |  4 +--
 libmetis/CMakeLists.txt         | 15 ++++++---
 5 files changed, 71 insertions(+), 57 deletions(-)
 rename include/{metis.h => metis.h.in} (99%)

diff --git a/.gitignore b/.gitignore
index bf123be..1349ce5 100644
--- a/.gitignore
+++ b/.gitignore
@@ -60,3 +60,5 @@ graphs/*.npart.*
 GKlib
 .svn/
 
+include/metis.h
+
diff --git a/CMakeLists.txt b/CMakeLists.txt
index a15d19a..be043fa 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,7 +1,8 @@
 cmake_minimum_required(VERSION 2.8)
 project(METIS C)
 
-set(SHARED FALSE CACHE BOOL "build a shared library")
+set(METIS_SHARED FALSE CACHE BOOL "build a shared library")
+set(METIS_BUILD_PROGRAMS TRUE CACHE BOOL "build metis programs")
 
 if(MSVC)
   set(METIS_INSTALL FALSE)
@@ -10,34 +11,36 @@ else()
 endif()
 
 # Configure libmetis library.
-if(SHARED)
+if(METIS_SHARED)
   set(METIS_LIBRARY_TYPE SHARED)
 else()
   set(METIS_LIBRARY_TYPE STATIC)
-endif(SHARED)
+endif(METIS_SHARED)
 
-include(./conf/gkbuild.cmake)
+include(conf/gkbuild.cmake)
 
 # METIS' custom options
-#option(IDX64 "enable 64 bit ints" OFF)
-#option(REAL64 "enable 64 bit floats (i.e., double)" OFF)
-#if(IDX64)
-#  set(METIS_COPTIONS "${METIS_COPTIONS} -DIDXTYPEWIDTH=64")
-#else()
-#  set(METIS_COPTIONS "${METIS_COPTIONS} -DIDXTYPEWIDTH=32")
-#endif(IDX64)
-#if(REAL64)
-#  set(METIS_COPTIONS "${METIS_COPTIONS} -DREALTYPEWIDTH=64")
-#else()
-#  set(METIS_COPTIONS "${METIS_COPTIONS} -DREALTYPEWIDTH=32")
-#endif(REAL64)
-#
-#set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${METIS_COPTIONS}")
-
+option(METIS_IDX64 "enable 64 bit ints" OFF)
+option(METIS_REAL64 "enable 64 bit floats (i.e., double)" OFF)
+if(IDX64)
+    set(IDXTYPEWIDTH 64)
+else()
+    set(IDXTYPEWIDTH 32)
+endif(IDX64)
+if(REAL64)
+    set(REALTYPEWIDTH 64)
+else()
+    set(REALTYPEWIDTH 32)
+endif(REAL64)
+configure_file (
+    "${CMAKE_CURRENT_SOURCE_DIR}/include/metis.h.in"
+    "${CMAKE_CURRENT_SOURCE_DIR}/include/metis.h"
+    @ONLY
+)
 
 # Add include directories.
 # i.e., the -I equivalent
-include_directories(build/xinclude)
+#include_directories(build/xinclude)
 include_directories(${GKLIB_PATH}/include)
 include_directories(${CMAKE_INSTALL_PREFIX}/include)
 
@@ -47,6 +50,8 @@ link_directories(${GKLIB_PATH}/lib)
 link_directories(${CMAKE_INSTALL_PREFIX}/lib)
 
 # Recursively look for CMakeLists.txt in subdirs.
-add_subdirectory("build/xinclude")
+#add_subdirectory("build/xinclude")
 add_subdirectory("libmetis")
-add_subdirectory("programs")
+if(METIS_BUILD_PROGRAMS)
+	add_subdirectory("programs")
+endif(METIS_BUILD_PROGRAMS)
diff --git a/conf/gkbuild.cmake b/conf/gkbuild.cmake
index 591ece4..174b292 100644
--- a/conf/gkbuild.cmake
+++ b/conf/gkbuild.cmake
@@ -3,16 +3,16 @@ include(CheckFunctionExists)
 include(CheckIncludeFile)
 
 # Setup options.
-option(GDB "enable use of GDB" OFF)
-option(ASSERT "turn asserts on" OFF)
-option(ASSERT2 "additional assertions" OFF)
-option(DEBUG "add debugging support" OFF)
-option(GPROF "add gprof support" OFF)
-option(VALGRIND "add valgrind support" OFF)
-option(OPENMP "enable OpenMP support" OFF)
-option(PCRE "enable PCRE support" OFF)
-option(GKREGEX "enable GKREGEX support" OFF)
-option(GKRAND "enable GKRAND support" OFF)
+option(GKLIB_GDB "enable use of GDB" OFF)
+option(GKLIB_ASSERT "turn asserts on" OFF)
+option(GKLIB_ASSERT2 "additional assertions" OFF)
+option(GKLIB_DEBUG "add debugging support" OFF)
+option(GKLIB_GPROF "add gprof support" OFF)
+option(GKLIB_VALGRIND "add valgrind support" OFF)
+option(GKLIB_OPENMP "enable OpenMP support" OFF)
+option(GKLIB_PCRE "enable PCRE support" OFF)
+option(GKLIB_GKREGEX "enable GKREGEX support" OFF)
+option(GKLIB_GKRAND "enable GKRAND support" OFF)
 
 # Add compiler flags.
 if(MSVC)
@@ -29,7 +29,7 @@ endif(CYGWIN)
 if(CMAKE_COMPILER_IS_GNUCC)
 # GCC opts.
   set(GK_COPTIONS "${GK_COPTIONS} -std=c99 -fno-strict-aliasing")
-if(VALGRIND)
+if(GKLIB_VALGRIND)
   set(GK_COPTIONS "${GK_COPTIONS} -march=x86-64 -mtune=generic")
 else()
 # -march=native is not a valid flag on PPC:
@@ -38,7 +38,7 @@ if(CMAKE_SYSTEM_PROCESSOR MATCHES "power|ppc|powerpc|ppc64|powerpc64" OR (APPLE
 else()
   set(GK_COPTIONS "${GK_COPTIONS} -march=native")
 endif()
-endif(VALGRIND)
+endif(GKLIB_VALGRIND)
   if(NOT MINGW)
       set(GK_COPTIONS "${GK_COPTIONS} -fPIC")
   endif(NOT MINGW)
@@ -60,33 +60,33 @@ if(APPLE)
 endif(APPLE)
 
 # Find OpenMP if it is requested.
-if(OPENMP)
+if(GKLIB_OPENMP)
   include(FindOpenMP)
-  if(OPENMP_FOUND)
+  if(GKLIB_OPENMP_FOUND)
     set(GK_COPTIONS "${GK_COPTIONS} -D__OPENMP__ ${OpenMP_C_FLAGS}")
   else()
     message(WARNING "OpenMP was requested but support was not found")
-  endif(OPENMP_FOUND)
-endif(OPENMP)
+  endif(GKLIB_OPENMP_FOUND)
+endif(GKLIB_OPENMP)
 
 
 # Add various definitions.
-if(GDB)
+if(GKLIB_GDB)
   set(GK_COPTS "${GK_COPTS} -g")
   set(GK_COPTIONS "${GK_COPTIONS} -Werror")
 else()
   set(GK_COPTS "-O3")
-endif(GDB)
+endif(GKLIB_GDB)
 
 
-if(DEBUG)
+if(GKLIB_DEBUG)
   set(GK_COPTS "-Og")
   set(GK_COPTIONS "${GK_COPTIONS} -DDEBUG")
-endif(DEBUG)
+endif(GKLIB_DEBUG)
 
-if(GPROF)
+if(GKLIB_GPROF)
   set(GK_COPTS "-pg")
-endif(GPROF)
+endif(GKLIB_GPROF)
 
 if(NOT ASSERT)
   set(GK_COPTIONS "${GK_COPTIONS} -DNDEBUG")
@@ -98,17 +98,17 @@ endif(NOT ASSERT2)
 
 
 # Add various options
-if(PCRE)
+if(GKLIB_PCRE)
   set(GK_COPTIONS "${GK_COPTIONS} -D__WITHPCRE__")
-endif(PCRE)
+endif(GKLIB_PCRE)
 
-if(GKREGEX)
+if(GKLIB_GKREGEX)
   set(GK_COPTIONS "${GK_COPTIONS} -DUSE_GKREGEX")
-endif(GKREGEX)
+endif(GKLIB_GKREGEX)
 
-if(GKRAND)
+if(GKLIB_GKRAND)
   set(GK_COPTIONS "${GK_COPTIONS} -DUSE_GKRAND")
-endif(GKRAND)
+endif(GKLIB_GKRAND)
 
 
 # Check for features.
@@ -131,7 +131,7 @@ if(MSVC)
   if("${HAVE_THREADLOCALSTORAGE}" MATCHES "^${HAVE_THREADLOCALSTORAGE}$")
     try_compile(HAVE_THREADLOCALSTORAGE
       ${CMAKE_BINARY_DIR}
-      ${CMAKE_SOURCE_DIR}/conf/check_thread_storage.c)
+      ${CMAKE_CURRENT_SOURCE_DIR}/conf/check_thread_storage.c)
     if(HAVE_THREADLOCALSTORAGE)
       message(STATUS "checking for thread-local storage - found")
     else()
diff --git a/include/metis.h b/include/metis.h.in
similarity index 99%
rename from include/metis.h
rename to include/metis.h.in
index 5000d1b..3cd9bf9 100644
--- a/include/metis.h
+++ b/include/metis.h.in
@@ -30,7 +30,7 @@
  GCC does provides these definitions in stdint.h, but it may require some
  modifications on other architectures.
 --------------------------------------------------------------------------*/
-//#define IDXTYPEWIDTH 32
+#define IDXTYPEWIDTH @IDXTYPEWIDTH@
 
 
 /*--------------------------------------------------------------------------
@@ -40,7 +40,7 @@
    32 : single precision floating point (float)
    64 : double precision floating point (double)
 --------------------------------------------------------------------------*/
-//#define REALTYPEWIDTH 32
+#define REALTYPEWIDTH @REALTYPEWIDTH@
 
 
 
diff --git a/libmetis/CMakeLists.txt b/libmetis/CMakeLists.txt
index fc6cec6..8e59f45 100644
--- a/libmetis/CMakeLists.txt
+++ b/libmetis/CMakeLists.txt
@@ -1,14 +1,21 @@
 # Add this directory for internal users.
-include_directories(.)
+set(METIS_NAME "metis" CACHE INTERNAL "")
+
+include_directories(${CMAKE_CURRENT_SOURCE_DIR} ${CMAKE_CURRENT_SOURCE_DIR}/../include)
 
 # Find sources.
-file(GLOB metis_sources *.c)
+file(GLOB metis_sources *.h *.c)
 
 # Build libmetis.
-add_library(metis ${METIS_LIBRARY_TYPE} ${metis_sources})
+add_library(${METIS_NAME} ${METIS_LIBRARY_TYPE} ${metis_sources})
+
+if(GKLIB_NAME)
+    target_link_libraries(${METIS_NAME} ${GKLIB_NAME})
+    add_dependencies(${METIS_NAME} ${GKLIB_NAME})
+endif()
 
 if(METIS_INSTALL)
-  install(TARGETS metis
+  install(TARGETS ${METIS_NAME}
     LIBRARY DESTINATION lib
     RUNTIME DESTINATION lib
     ARCHIVE DESTINATION lib)

From ee28bbeb6a9eed09fac10ea34063f83913439b9a Mon Sep 17 00:00:00 2001
From: jianda sheng <sheng_jianda@sina.com>
Date: Thu, 10 Aug 2023 23:07:38 +0800
Subject: [PATCH 2/2] fix config bug

---
 CMakeLists.txt | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index be043fa..8768438 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -22,16 +22,16 @@ include(conf/gkbuild.cmake)
 # METIS' custom options
 option(METIS_IDX64 "enable 64 bit ints" OFF)
 option(METIS_REAL64 "enable 64 bit floats (i.e., double)" OFF)
-if(IDX64)
+if(METIS_IDX64)
     set(IDXTYPEWIDTH 64)
 else()
     set(IDXTYPEWIDTH 32)
-endif(IDX64)
-if(REAL64)
+endif(METIS_IDX64)
+if(METIS_REAL64)
     set(REALTYPEWIDTH 64)
 else()
     set(REALTYPEWIDTH 32)
-endif(REAL64)
+endif(METIS_REAL64)
 configure_file (
     "${CMAKE_CURRENT_SOURCE_DIR}/include/metis.h.in"
     "${CMAKE_CURRENT_SOURCE_DIR}/include/metis.h"