From beaa7a275752fc3728cd25013b7d441c5209ea36 Mon Sep 17 00:00:00 2001
From: Lars Bilke <lars.bilke@ufz.de>
Date: Wed, 29 Jan 2020 21:33:36 +0100
Subject: [PATCH] [CMake] Use native FindGit.

Removed jedbrown cmake modules, copied FindPETSc.cmake over.
Check for required Git version.
---
 .gitmodules                            |   3 -
 CMakeLists.txt                         |   4 +-
 ThirdParty/jedbrown-cmake-modules      |   1 -
 scripts/cmake/CMakeSetup.cmake         |   4 +-
 scripts/cmake/Find.cmake               |   6 +
 scripts/cmake/PreFind.cmake            |  11 -
 scripts/cmake/SubmoduleSetup.cmake     |   1 -
 scripts/cmake/jedbrown/FindPETSs.cmake | 346 +++++++++++++++++++++++++
 scripts/cmake/jedbrown/README.md       |   3 +
 web/data/versions.json                 |   4 +-
 10 files changed, 362 insertions(+), 21 deletions(-)
 delete mode 160000 ThirdParty/jedbrown-cmake-modules
 create mode 100644 scripts/cmake/jedbrown/FindPETSs.cmake
 create mode 100644 scripts/cmake/jedbrown/README.md

diff --git a/.gitmodules b/.gitmodules
index f39e4287a28..39ac29ed6af 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -28,9 +28,6 @@
 [submodule "ThirdParty/googletest"]
 	path = ThirdParty/googletest
 	url = https://github.com/google/googletest.git
-[submodule "ThirdParty/jedbrown-cmake-modules"]
-	path = ThirdParty/jedbrown-cmake-modules
-	url = https://github.com/jedbrown/cmake-modules.git
 [submodule "ThirdParty/exprtk"]
 	path = ThirdParty/exprtk
 	url = https://github.com/ArashPartow/exprtk.git
diff --git a/CMakeLists.txt b/CMakeLists.txt
index 43c3169781d..4139f13aeb9 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -61,11 +61,11 @@ endif()
 option(OGS_USE_CVODE "Use the Sundials CVODE module?" OFF)
 
 # ---- CMake includes ----
-include(Versions)
 include(PreFind)
+include(SubmoduleSetup)
+include(Versions)
 include(CheckTypeSizes)
 include(Functions)
-include(SubmoduleSetup)
 include(ConanSetup)
 include(CompilerSetup)
 include(Find)
diff --git a/ThirdParty/jedbrown-cmake-modules b/ThirdParty/jedbrown-cmake-modules
deleted file mode 160000
index 91f96174a8b..00000000000
--- a/ThirdParty/jedbrown-cmake-modules
+++ /dev/null
@@ -1 +0,0 @@
-Subproject commit 91f96174a8b3f65e19519fa592b1571391c0e3d0
diff --git a/scripts/cmake/CMakeSetup.cmake b/scripts/cmake/CMakeSetup.cmake
index 282d0019edb..dbd4489d3f8 100644
--- a/scripts/cmake/CMakeSetup.cmake
+++ b/scripts/cmake/CMakeSetup.cmake
@@ -9,8 +9,8 @@ endif()
 # Set additional CMake modules path
 set(CMAKE_MODULE_PATH ${CMAKE_MODULE_PATH}
   "${PROJECT_SOURCE_DIR}/scripts/cmake"
-  "${PROJECT_SOURCE_DIR}/ThirdParty/cmake-modules"
-  "${PROJECT_SOURCE_DIR}/ThirdParty/jedbrown-cmake-modules")
+  "${PROJECT_SOURCE_DIR}/scripts/cmake/jedbrown"
+  "${PROJECT_SOURCE_DIR}/ThirdParty/cmake-modules")
 
 list(APPEND CMAKE_PREFIX_PATH
   $ENV{HOMEBREW_ROOT}             # Homebrew package manager on Mac OS
diff --git a/scripts/cmake/Find.cmake b/scripts/cmake/Find.cmake
index ff9508ac5fe..91861612998 100644
--- a/scripts/cmake/Find.cmake
+++ b/scripts/cmake/Find.cmake
@@ -2,6 +2,12 @@
 ### Find tools     ###
 ######################
 
+string(REPLACE ".windows.1" "" GIT_VERSION_STRING ${GIT_VERSION_STRING})
+if(${GIT_VERSION_STRING} VERSION_LESS ${ogs.minimum_version.git})
+    message(FATAL_ERROR "Git version ${ogs.minimum_version.git} is required. \
+        Found version ${GIT_VERSION_STRING}.")
+endif()
+
 find_package(Doxygen OPTIONAL_COMPONENTS dot)
 
 # Find gnu profiler gprof
diff --git a/scripts/cmake/PreFind.cmake b/scripts/cmake/PreFind.cmake
index 6c028cb857b..2af46e8a8c2 100644
--- a/scripts/cmake/PreFind.cmake
+++ b/scripts/cmake/PreFind.cmake
@@ -1,15 +1,4 @@
-### Find Git
-# Check for cmder git installed via chocolatey
-find_program(GIT_EXECUTABLE
-  NAMES git
-  PATHS C:/tools/cmder/vendor/git-for-windows
-  PATH_SUFFIXES cmd bin
-  DOC "Git command line client"
-)
-
 find_package(Git REQUIRED)
-string(REPLACE "mingw64/" "" GIT_EXECUTABLE ${GIT_EXECUTABLE}) # Windows git submodule fix
-### End Find Git
 
 execute_process(COMMAND ${GIT_EXECUTABLE} status
     WORKING_DIRECTORY ${PROJECT_SOURCE_DIR}
diff --git a/scripts/cmake/SubmoduleSetup.cmake b/scripts/cmake/SubmoduleSetup.cmake
index d2bc2ac8f3c..2c62fa9a319 100644
--- a/scripts/cmake/SubmoduleSetup.cmake
+++ b/scripts/cmake/SubmoduleSetup.cmake
@@ -14,7 +14,6 @@ set(REQUIRED_SUBMODULES
     ThirdParty/exprtk
     ThirdParty/googletest
     ThirdParty/iphreeqc/src
-    ThirdParty/jedbrown-cmake-modules
     ThirdParty/json-cmake
     ThirdParty/tclap
     ThirdParty/tetgen
diff --git a/scripts/cmake/jedbrown/FindPETSs.cmake b/scripts/cmake/jedbrown/FindPETSs.cmake
new file mode 100644
index 00000000000..41e02d9798c
--- /dev/null
+++ b/scripts/cmake/jedbrown/FindPETSs.cmake
@@ -0,0 +1,346 @@
+# - Try to find PETSc
+# Once done this will define
+#
+#  PETSC_FOUND        - system has PETSc
+#  PETSC_INCLUDES     - the PETSc include directories
+#  PETSC_LIBRARIES    - Link these to use PETSc
+#  PETSC_COMPILER     - Compiler used by PETSc, helpful to find a compatible MPI
+#  PETSC_DEFINITIONS  - Compiler switches for using PETSc
+#  PETSC_MPIEXEC      - Executable for running MPI programs
+#  PETSC_VERSION      - Version string (MAJOR.MINOR.SUBMINOR)
+#
+#  Usage:
+#  find_package(PETSc COMPONENTS CXX)  - required if build --with-clanguage=C++ --with-c-support=0
+#  find_package(PETSc COMPONENTS C)    - standard behavior of checking build using a C compiler
+#  find_package(PETSc)                 - same as above
+#
+# Setting these changes the behavior of the search
+#  PETSC_DIR - directory in which PETSc resides
+#  PETSC_ARCH - build architecture
+#
+# Redistribution and use is allowed according to the terms of the BSD license.
+# For details see the accompanying COPYING-CMAKE-SCRIPTS file.
+#
+
+cmake_policy(VERSION 3.3)
+
+set(PETSC_VALID_COMPONENTS
+  C
+  CXX)
+
+if(NOT PETSc_FIND_COMPONENTS)
+  get_property (_enabled_langs GLOBAL PROPERTY ENABLED_LANGUAGES)
+  if ("C" IN_LIST _enabled_langs)
+    set(PETSC_LANGUAGE_BINDINGS "C")
+  else ()
+    set(PETSC_LANGUAGE_BINDINGS "CXX")
+  endif ()
+else()
+  # Right now, this is designed for compatability with the --with-clanguage option, so
+  # only allow one item in the components list.
+  list(LENGTH ${PETSc_FIND_COMPONENTS} components_length)
+  if(${components_length} GREATER 1)
+    message(FATAL_ERROR "Only one component for PETSc is allowed to be specified")
+  endif()
+  # This is a stub for allowing multiple components should that time ever come. Perhaps
+  # to also test Fortran bindings?
+  foreach(component ${PETSc_FIND_COMPONENTS})
+    list(FIND PETSC_VALID_COMPONENTS ${component} component_location)
+    if(${component_location} EQUAL -1)
+      message(FATAL_ERROR "\"${component}\" is not a valid PETSc component.")
+    else()
+      list(APPEND PETSC_LANGUAGE_BINDINGS ${component})
+    endif()
+  endforeach()
+endif()
+
+function (petsc_get_version)
+  if (EXISTS "${PETSC_DIR}/include/petscversion.h")
+    file (STRINGS "${PETSC_DIR}/include/petscversion.h" vstrings REGEX "#define PETSC_VERSION_(RELEASE|MAJOR|MINOR|SUBMINOR|PATCH) ")
+    foreach (line ${vstrings})
+      string (REGEX REPLACE " +" ";" fields ${line}) # break line into three fields (the first is always "#define")
+      list (GET fields 1 var)
+      list (GET fields 2 val)
+      set (${var} ${val} PARENT_SCOPE)
+      set (${var} ${val})         # Also in local scope so we have access below
+    endforeach ()
+    if (PETSC_VERSION_RELEASE)
+      if ($(PETSC_VERSION_PATCH) GREATER 0)
+        set (PETSC_VERSION "${PETSC_VERSION_MAJOR}.${PETSC_VERSION_MINOR}.${PETSC_VERSION_SUBMINOR}p${PETSC_VERSION_PATCH}" CACHE INTERNAL "PETSc version")
+      else ()
+        set (PETSC_VERSION "${PETSC_VERSION_MAJOR}.${PETSC_VERSION_MINOR}.${PETSC_VERSION_SUBMINOR}" CACHE INTERNAL "PETSc version")
+      endif ()
+    else ()
+      # make dev version compare higher than any patch level of a released version
+      set (PETSC_VERSION "${PETSC_VERSION_MAJOR}.${PETSC_VERSION_MINOR}.${PETSC_VERSION_SUBMINOR}.99" CACHE INTERNAL "PETSc version")
+    endif ()
+  else ()
+    message (SEND_ERROR "PETSC_DIR can not be used, ${PETSC_DIR}/include/petscversion.h does not exist")
+  endif ()
+endfunction ()
+
+# Debian uses versioned paths e.g /usr/lib/petscdir/3.5/
+file (GLOB DEB_PATHS "/usr/lib/petscdir/*")
+
+find_path (PETSC_DIR include/petsc.h
+  HINTS ENV PETSC_DIR
+  PATHS
+  /usr/lib/petsc
+  # Debian paths
+  ${DEB_PATHS}
+  # Arch Linux path
+  /opt/petsc/linux-c-opt
+  # MacPorts path
+  /opt/local/lib/petsc
+  $ENV{HOME}/petsc
+  DOC "PETSc Directory")
+
+find_program (MAKE_EXECUTABLE NAMES make gmake)
+
+if (PETSC_DIR AND NOT PETSC_ARCH)
+  set (_petsc_arches
+    $ENV{PETSC_ARCH}                   # If set, use environment variable first
+    linux-gnu-c-debug linux-gnu-c-opt  # Debian defaults
+    x86_64-unknown-linux-gnu i386-unknown-linux-gnu)
+  set (petscconf "NOTFOUND" CACHE FILEPATH "Cleared" FORCE)
+  foreach (arch ${_petsc_arches})
+    if (NOT PETSC_ARCH)
+      find_path (petscconf petscconf.h
+        HINTS ${PETSC_DIR}
+        PATH_SUFFIXES ${arch}/include bmake/${arch}
+        NO_DEFAULT_PATH)
+      if (petscconf)
+        set (PETSC_ARCH "${arch}" CACHE STRING "PETSc build architecture")
+      endif (petscconf)
+    endif (NOT PETSC_ARCH)
+  endforeach (arch)
+  set (petscconf "NOTFOUND" CACHE INTERNAL "Scratch variable" FORCE)
+endif (PETSC_DIR AND NOT PETSC_ARCH)
+
+set (petsc_slaves LIBRARIES_SYS LIBRARIES_VEC LIBRARIES_MAT LIBRARIES_DM LIBRARIES_KSP LIBRARIES_SNES LIBRARIES_TS
+  INCLUDE_DIR INCLUDE_CONF)
+include (FindPackageMultipass)
+find_package_multipass (PETSc petsc_config_current
+  STATES DIR ARCH
+  DEPENDENTS INCLUDES LIBRARIES COMPILER MPIEXEC ${petsc_slaves})
+
+# Determine whether the PETSc layout is old-style (through 2.3.3) or
+# new-style (>= 3.0.0)
+if (EXISTS "${PETSC_DIR}/${PETSC_ARCH}/lib/petsc/conf/petscvariables") # > 3.5
+  set (petsc_conf_rules "${PETSC_DIR}/lib/petsc/conf/rules")
+  set (petsc_conf_variables "${PETSC_DIR}/lib/petsc/conf/variables")
+elseif (EXISTS "${PETSC_DIR}/${PETSC_ARCH}/include/petscconf.h")   # > 2.3.3
+  set (petsc_conf_rules "${PETSC_DIR}/conf/rules")
+  set (petsc_conf_variables "${PETSC_DIR}/conf/variables")
+elseif (EXISTS "${PETSC_DIR}/bmake/${PETSC_ARCH}/petscconf.h") # <= 2.3.3
+  set (petsc_conf_rules "${PETSC_DIR}/bmake/common/rules")
+  set (petsc_conf_variables "${PETSC_DIR}/bmake/common/variables")
+elseif (PETSC_DIR)
+  message (SEND_ERROR "The pair PETSC_DIR=${PETSC_DIR} PETSC_ARCH=${PETSC_ARCH} do not specify a valid PETSc installation")
+endif ()
+
+if (petsc_conf_rules AND petsc_conf_variables AND NOT petsc_config_current)
+  petsc_get_version()
+
+  # Put variables into environment since they are needed to get
+  # configuration (petscvariables) in the PETSc makefile
+  set (ENV{PETSC_DIR} "${PETSC_DIR}")
+  set (ENV{PETSC_ARCH} "${PETSC_ARCH}")
+
+  # A temporary makefile to probe the PETSc configuration
+  set (petsc_config_makefile "${PROJECT_BINARY_DIR}/Makefile.petsc")
+  file (WRITE "${petsc_config_makefile}"
+"## This file was autogenerated by FindPETSc.cmake
+# PETSC_DIR  = ${PETSC_DIR}
+# PETSC_ARCH = ${PETSC_ARCH}
+include ${petsc_conf_rules}
+include ${petsc_conf_variables}
+show :
+\t-@echo -n \${\${VARIABLE}}
+")
+
+  macro (PETSC_GET_VARIABLE name var)
+    set (${var} "NOTFOUND" CACHE INTERNAL "Cleared" FORCE)
+    execute_process (COMMAND ${MAKE_EXECUTABLE} --no-print-directory -f ${petsc_config_makefile} show VARIABLE=${name}
+      OUTPUT_VARIABLE ${var}
+      RESULT_VARIABLE petsc_return)
+  endmacro (PETSC_GET_VARIABLE)
+  petsc_get_variable (PETSC_LIB_DIR            petsc_lib_dir)
+  petsc_get_variable (PETSC_EXTERNAL_LIB_BASIC petsc_libs_external)
+  petsc_get_variable (PETSC_CCPPFLAGS          petsc_cpp_line)
+  petsc_get_variable (PETSC_INCLUDE            petsc_include)
+  petsc_get_variable (PCC                      petsc_cc)
+  petsc_get_variable (PCC_FLAGS                petsc_cc_flags)
+  petsc_get_variable (MPIEXEC                  petsc_mpiexec)
+  # We are done with the temporary Makefile, calling PETSC_GET_VARIABLE after this point is invalid!
+  file (REMOVE ${petsc_config_makefile})
+
+  include (ResolveCompilerPaths)
+  # Extract include paths and libraries from compile command line
+  resolve_includes (petsc_includes_all "${petsc_cpp_line}")
+
+  #on windows we need to make sure we're linking against the right
+  #runtime library
+  if (WIN32)
+    if (petsc_cc_flags MATCHES "-MT")
+      set(using_md False)
+      foreach(flag_var
+          CMAKE_C_FLAGS CMAKE_C_FLAGS_DEBUG CMAKE_C_FLAGS_RELEASE
+          CMAKE_C_FLAGS_MINSIZEREL CMAKE_C_FLAGS_RELWITHDEBINFO
+          CMAKE_CXX_FLAGS CMAKE_CXX_FLAGS_DEBUG CMAKE_CXX_FLAGS_RELEASE
+          CMAKE_CXX_FLAGS_MINSIZEREL CMAKE_CXX_FLAGS_RELWITHDEBINFO)
+        if(${flag_var} MATCHES "/MD")
+          set(using_md True)
+        endif(${flag_var} MATCHES "/MD")
+      endforeach(flag_var)
+      if(${using_md} MATCHES "True")
+        message(WARNING "PETSc was built with /MT, but /MD is currently set.
+ See http://www.cmake.org/Wiki/CMake_FAQ#How_can_I_build_my_MSVC_application_with_a_static_runtime.3F")
+      endif(${using_md} MATCHES "True")
+    endif (petsc_cc_flags MATCHES "-MT")
+  endif (WIN32)
+
+  include (CorrectWindowsPaths)
+  convert_cygwin_path(petsc_lib_dir)
+  message (STATUS "petsc_lib_dir ${petsc_lib_dir}")
+
+  macro (PETSC_FIND_LIBRARY suffix name)
+    set (PETSC_LIBRARY_${suffix} "NOTFOUND" CACHE INTERNAL "Cleared" FORCE) # Clear any stale value, if we got here, we need to find it again
+    if (WIN32)
+      set (libname lib${name}) #windows expects "libfoo", linux expects "foo"
+    else (WIN32)
+      set (libname ${name})
+    endif (WIN32)
+    find_library (PETSC_LIBRARY_${suffix} NAMES ${libname} HINTS ${petsc_lib_dir} NO_DEFAULT_PATH)
+    set (PETSC_LIBRARIES_${suffix} "${PETSC_LIBRARY_${suffix}}")
+    mark_as_advanced (PETSC_LIBRARY_${suffix})
+  endmacro (PETSC_FIND_LIBRARY suffix name)
+
+  # Look for petscvec first, if it doesn't exist, we must be using single-library
+  petsc_find_library (VEC petscvec)
+  if (PETSC_LIBRARY_VEC)
+    petsc_find_library (SYS  "petscsys;petsc") # libpetscsys is called libpetsc prior to 3.1 (when single-library was introduced)
+    petsc_find_library (MAT  petscmat)
+    petsc_find_library (DM   petscdm)
+    petsc_find_library (KSP  petscksp)
+    petsc_find_library (SNES petscsnes)
+    petsc_find_library (TS   petscts)
+    macro (PETSC_JOIN libs deps)
+      list (APPEND PETSC_LIBRARIES_${libs} ${PETSC_LIBRARIES_${deps}})
+    endmacro (PETSC_JOIN libs deps)
+    petsc_join (VEC  SYS)
+    petsc_join (MAT  VEC)
+    petsc_join (DM   MAT)
+    petsc_join (KSP  DM)
+    petsc_join (SNES KSP)
+    petsc_join (TS   SNES)
+    petsc_join (ALL  TS)
+  else ()
+    set (PETSC_LIBRARY_VEC "NOTFOUND" CACHE INTERNAL "Cleared" FORCE) # There is no libpetscvec
+    petsc_find_library (SINGLE petsc)
+    # Debian 9/Ubuntu 16.04 uses _real and _complex extensions when using libraries in /usr/lib/petsc.
+    if (NOT PETSC_LIBRARY_SINGLE)
+      petsc_find_library (SINGLE petsc_real)
+    endif()
+    if (NOT PETSC_LIBRARY_SINGLE)
+      petsc_find_library (SINGLE petsc_complex)
+    endif()
+    foreach (pkg SYS VEC MAT DM KSP SNES TS ALL)
+      set (PETSC_LIBRARIES_${pkg} "${PETSC_LIBRARY_SINGLE}")
+    endforeach ()
+  endif ()
+  if (PETSC_LIBRARY_TS)
+    message (STATUS "Recognized PETSc install with separate libraries for each package")
+  else ()
+    message (STATUS "Recognized PETSc install with single library for all packages")
+  endif ()
+
+  include(Check${PETSC_LANGUAGE_BINDINGS}SourceRuns)
+  macro (PETSC_TEST_RUNS includes libraries runs)
+    if (PETSC_VERSION VERSION_GREATER 3.1)
+      set (_PETSC_TSDestroy "TSDestroy(&ts)")
+    else ()
+      set (_PETSC_TSDestroy "TSDestroy(ts)")
+    endif ()
+
+    set(_PETSC_TEST_SOURCE "
+static const char help[] = \"PETSc test program.\";
+#include <petscts.h>
+int main(int argc,char *argv[]) {
+  PetscErrorCode ierr;
+  TS ts;
+
+  ierr = PetscInitialize(&argc,&argv,0,help);CHKERRQ(ierr);
+  ierr = TSCreate(PETSC_COMM_WORLD,&ts);CHKERRQ(ierr);
+  ierr = TSSetFromOptions(ts);CHKERRQ(ierr);
+  ierr = ${_PETSC_TSDestroy};CHKERRQ(ierr);
+  ierr = PetscFinalize();CHKERRQ(ierr);
+  return 0;
+}
+")
+    multipass_source_runs ("${includes}" "${libraries}" "${_PETSC_TEST_SOURCE}" ${runs} "${PETSC_LANGUAGE_BINDINGS}")
+    if (${${runs}})
+      set (PETSC_EXECUTABLE_RUNS "YES" CACHE BOOL
+        "Can the system successfully run a PETSc executable?  This variable can be manually set to \"YES\" to force CMake to accept a given PETSc configuration, but this will almost always result in a broken build.  If you change PETSC_DIR, PETSC_ARCH, or PETSC_CURRENT you would have to reset this variable." FORCE)
+    endif (${${runs}})
+  endmacro (PETSC_TEST_RUNS)
+
+
+  find_path (PETSC_INCLUDE_DIR petscts.h HINTS "${PETSC_DIR}" PATH_SUFFIXES include NO_DEFAULT_PATH)
+  find_path (PETSC_INCLUDE_CONF petscconf.h HINTS "${PETSC_DIR}" PATH_SUFFIXES "${PETSC_ARCH}/include" "bmake/${PETSC_ARCH}" NO_DEFAULT_PATH)
+  mark_as_advanced (PETSC_INCLUDE_DIR PETSC_INCLUDE_CONF)
+  set (petsc_includes_minimal ${PETSC_INCLUDE_CONF} ${PETSC_INCLUDE_DIR})
+
+  petsc_test_runs ("${petsc_includes_minimal}" "${PETSC_LIBRARIES_TS}" petsc_works_minimal)
+  if (petsc_works_minimal)
+    message (STATUS "Minimal PETSc includes and libraries work.  This probably means we are building with shared libs.")
+    set (petsc_includes_needed "${petsc_includes_minimal}")
+  else (petsc_works_minimal)     # Minimal includes fail, see if just adding full includes fixes it
+    petsc_test_runs ("${petsc_includes_all}" "${PETSC_LIBRARIES_TS}" petsc_works_allincludes)
+    if (petsc_works_allincludes) # It does, we just need all the includes (
+      message (STATUS "PETSc requires extra include paths, but links correctly with only interface libraries.  This is an unexpected configuration (but it seems to work fine).")
+      set (petsc_includes_needed ${petsc_includes_all})
+    else (petsc_works_allincludes) # We are going to need to link the external libs explicitly
+      resolve_libraries (petsc_libraries_external "${petsc_libs_external}")
+      foreach (pkg SYS VEC MAT DM KSP SNES TS ALL)
+        list (APPEND PETSC_LIBRARIES_${pkg}  ${petsc_libraries_external})
+      endforeach (pkg)
+      petsc_test_runs ("${petsc_includes_minimal}" "${PETSC_LIBRARIES_TS}" petsc_works_alllibraries)
+      if (petsc_works_alllibraries)
+         message (STATUS "PETSc only need minimal includes, but requires explicit linking to all dependencies.  This is expected when PETSc is built with static libraries.")
+        set (petsc_includes_needed ${petsc_includes_minimal})
+      else (petsc_works_alllibraries)
+        # It looks like we really need everything, should have listened to Matt
+        set (petsc_includes_needed ${petsc_includes_all})
+        petsc_test_runs ("${petsc_includes_all}" "${PETSC_LIBRARIES_TS}" petsc_works_all)
+        if (petsc_works_all) # We fail anyways
+          message (STATUS "PETSc requires extra include paths and explicit linking to all dependencies.  This probably means you have static libraries and something unexpected in PETSc headers.")
+        else (petsc_works_all) # We fail anyways
+          message (STATUS "PETSc could not be used, maybe the install is broken.")
+        endif (petsc_works_all)
+      endif (petsc_works_alllibraries)
+    endif (petsc_works_allincludes)
+  endif (petsc_works_minimal)
+
+  # We do an out-of-source build so __FILE__ will be an absolute path, hence __INSDIR__ is superfluous
+  if (${PETSC_VERSION} VERSION_LESS 3.1)
+    set (PETSC_DEFINITIONS "-D__SDIR__=\"\"" CACHE STRING "PETSc definitions" FORCE)
+  else ()
+    set (PETSC_DEFINITIONS "-D__INSDIR__=" CACHE STRING "PETSc definitions" FORCE)
+  endif ()
+  # Sometimes this can be used to assist FindMPI.cmake
+  set (PETSC_MPIEXEC ${petsc_mpiexec} CACHE FILEPATH "Executable for running PETSc MPI programs" FORCE)
+  set (PETSC_INCLUDES ${petsc_includes_needed} CACHE STRING "PETSc include path" FORCE)
+  set (PETSC_LIBRARIES ${PETSC_LIBRARIES_ALL} CACHE STRING "PETSc libraries" FORCE)
+  set (PETSC_COMPILER ${petsc_cc} CACHE FILEPATH "PETSc compiler" FORCE)
+  # Note that we have forced values for all these choices.  If you
+  # change these, you are telling the system to trust you that they
+  # work.  It is likely that you will end up with a broken build.
+  mark_as_advanced (PETSC_INCLUDES PETSC_LIBRARIES PETSC_COMPILER PETSC_DEFINITIONS PETSC_MPIEXEC PETSC_EXECUTABLE_RUNS)
+endif ()
+
+include (FindPackageHandleStandardArgs)
+find_package_handle_standard_args (PETSc
+  REQUIRED_VARS PETSC_INCLUDES PETSC_LIBRARIES PETSC_EXECUTABLE_RUNS
+  VERSION_VAR PETSC_VERSION
+  FAIL_MESSAGE "PETSc could not be found.  Be sure to set PETSC_DIR and PETSC_ARCH.")
diff --git a/scripts/cmake/jedbrown/README.md b/scripts/cmake/jedbrown/README.md
new file mode 100644
index 00000000000..8a11f28c18e
--- /dev/null
+++ b/scripts/cmake/jedbrown/README.md
@@ -0,0 +1,3 @@
+Copied the following files from https://github.com/jedbrown/cmake-modules:
+
+- FindPETSC.cmake
diff --git a/web/data/versions.json b/web/data/versions.json
index 4261ce2d19e..65efe875754 100644
--- a/web/data/versions.json
+++ b/web/data/versions.json
@@ -6,6 +6,8 @@
       "year": "2017",
       "number": "15",
       "toolset": "141"
-    }
+    },
+    "conan": "1.21.0",
+    "git": "2.14"
   }
 }
-- 
GitLab