7 files changed, 122 insertions, 0 deletions
diff --git a/build_files/cmake/Modules/FindGMP.cmake b/build_files/cmake/Modules/FindGMP.cmake
new file mode 100644
index 00000000000..4469f32c785
--- /dev/null
+++ b/build_files/cmake/Modules/FindGMP.cmake
@@ -0,0 +1,96 @@
+# - Find GMP library
+# Find the native GMP includes and library
+# This module defines
+#  GMP_INCLUDE_DIRS, where to find gmp.h, Set when
+#                        GMP_INCLUDE_DIR is found.
+#  GMP_LIBRARIES, libraries to link against to use GMP.
+#  GMP_ROOT_DIR, The base directory to search for GMP.
+#                    This can also be an environment variable.
+#  GMP_FOUND, If false, do not try to use GMP.
+#
+# also defined, but not for general use are
+#  GMP_LIBRARY, where to find the GMP library.
+
+#=============================================================================
+# Copyright 2011 Blender Foundation.
+#
+# Distributed under the OSI-approved BSD License (the "License");
+# see accompanying file Copyright.txt for details.
+#
+# This software is distributed WITHOUT ANY WARRANTY; without even the
+# implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+# See the License for more information.
+#=============================================================================
+
+# If GMP_ROOT_DIR was defined in the environment, use it.
+IF(NOT GMP_ROOT_DIR AND NOT $ENV{GMP_ROOT_DIR} STREQUAL "")
+  SET(GMP_ROOT_DIR $ENV{GMP_ROOT_DIR})
+ENDIF()
+
+SET(_gmp_SEARCH_DIRS
+  ${GMP_ROOT_DIR}
+  /opt/lib/gmp
+)
+
+FIND_PATH(GMP_INCLUDE_DIR
+  NAMES
+    gmp.h
+  HINTS
+    ${_gmp_SEARCH_DIRS}
+  PATH_SUFFIXES
+    include/gmp
+)
+
+FIND_PATH(GMPXX_INCLUDE_DIR
+  NAMES
+    gmpxx.h
+  HINTS
+    ${_gmp_SEARCH_DIRS}
+  PATH_SUFFIXES
+    include/gmp
+)
+
+FIND_LIBRARY(GMP_LIBRARY
+  NAMES
+    gmp
+  HINTS
+    ${_gmp_SEARCH_DIRS}
+  PATH_SUFFIXES
+    lib64 lib
+  )
+
+FIND_LIBRARY(GMPXX_LIBRARY
+  NAMES
+    gmpxx
+  HINTS
+    ${_gmp_SEARCH_DIRS}
+  PATH_SUFFIXES
+    lib64 lib
+  )
+
+if(GMP_INCLUDE_DIR)
+  SET(_version_regex "^#define[ \t]+__GNU_MP_VERSION[ \t]+\"([^\"]+)\".*")
+  file(STRINGS "${GMP_INCLUDE_DIR}/gmp.h"
+    GMP_VERSION REGEX "${_version_regex}")
+  string(REGEX REPLACE "${_version_regex}" "\\1"
+    GMP_VERSION "${GMP_VERSION}")
+  unset(_version_regex)
+endif()
+
+# handle the QUIETLY and REQUIRED arguments and set GMP_FOUND to TRUE if
+# all listed variables are TRUE
+INCLUDE(FindPackageHandleStandardArgs)
+FIND_PACKAGE_HANDLE_STANDARD_ARGS(GMP DEFAULT_MSG
+    GMP_LIBRARY GMPXX_LIBRARY GMP_INCLUDE_DIR GMPXX_INCLUDE_DIR)
+
+IF(GMP_FOUND)
+  SET(GMP_LIBRARIES ${GMP_LIBRARY} ${GMPXX_LIBRARY})
+  SET(GMP_INCLUDE_DIRS ${GMP_INCLUDE_DIR} ${GMPXX_INCLUDE_DIR})
+ENDIF(GMP_FOUND)
+
+MARK_AS_ADVANCED(
+  GMP_INCLUDE_DIR
+  GMP_LIBRARY
+  GMPXX_INCLUDE_DIR
+  GMPXX_LIBRARY
+)
diff --git a/build_files/cmake/config/blender_full.cmake b/build_files/cmake/config/blender_full.cmake
index 41bee263e22..7d3284af158 100644
--- a/build_files/cmake/config/blender_full.cmake
+++ b/build_files/cmake/config/blender_full.cmake
@@ -15,6 +15,7 @@ set(WITH_CYCLES_EMBREE       ON  CACHE BOOL "" FORCE)
 set(WITH_CYCLES_OSL          ON  CACHE BOOL "" FORCE)
 set(WITH_DRACO               ON  CACHE BOOL "" FORCE)
 set(WITH_FFTW3               ON  CACHE BOOL "" FORCE)
+set(WITH_GMP                 OFF CACHE BOOL "" FORCE)
 set(WITH_LIBMV               ON  CACHE BOOL "" FORCE)
 set(WITH_LIBMV_SCHUR_SPECIALIZATIONS ON CACHE BOOL "" FORCE)
 set(WITH_COMPOSITOR          ON  CACHE BOOL "" FORCE)
diff --git a/build_files/cmake/config/blender_lite.cmake b/build_files/cmake/config/blender_lite.cmake
index 68b9bd1d94d..16c15961c59 100644
--- a/build_files/cmake/config/blender_lite.cmake
+++ b/build_files/cmake/config/blender_lite.cmake
@@ -20,6 +20,7 @@ set(WITH_CYCLES_OSL          OFF CACHE BOOL "" FORCE)
 set(WITH_CYCLES_DEVICE_OPTIX OFF CACHE BOOL "" FORCE)
 set(WITH_DRACO               OFF CACHE BOOL "" FORCE)
 set(WITH_FFTW3               OFF CACHE BOOL "" FORCE)
+set(WITH_GMP                 OFF CACHE BOOL "" FORCE)
 set(WITH_LIBMV               OFF CACHE BOOL "" FORCE)
 set(WITH_LLVM                OFF CACHE BOOL "" FORCE)
 set(WITH_COMPOSITOR          OFF CACHE BOOL "" FORCE)
diff --git a/build_files/cmake/config/blender_release.cmake b/build_files/cmake/config/blender_release.cmake
index e6fc73a75ed..ddd9aa1d766 100644
--- a/build_files/cmake/config/blender_release.cmake
+++ b/build_files/cmake/config/blender_release.cmake
@@ -16,6 +16,7 @@ set(WITH_CYCLES_EMBREE       ON  CACHE BOOL "" FORCE)
 set(WITH_CYCLES_OSL          ON  CACHE BOOL "" FORCE)
 set(WITH_DRACO               ON  CACHE BOOL "" FORCE)
 set(WITH_FFTW3               ON  CACHE BOOL "" FORCE)
+set(WITH_GMP                 OFF CACHE BOOL "" FORCE)
 set(WITH_LIBMV               ON  CACHE BOOL "" FORCE)
 set(WITH_LIBMV_SCHUR_SPECIALIZATIONS ON CACHE BOOL "" FORCE)
 set(WITH_COMPOSITOR          ON  CACHE BOOL "" FORCE)
diff --git a/build_files/cmake/platform/platform_apple.cmake b/build_files/cmake/platform/platform_apple.cmake
index a80b0b56901..c5c46a3b394 100644
--- a/build_files/cmake/platform/platform_apple.cmake
+++ b/build_files/cmake/platform/platform_apple.cmake
@@ -437,6 +437,14 @@ if(WITH_XR_OPENXR)
   endif()
 endif()
 
+if(WITH_GMP)
+  find_package(GMP)
+  if(NOT GMP_FOUND)
+    message(WARNING "GMP not found, disabling WITH_GMP")
+    set(WITH_GMP OFF)
+  endif()
+endif()
+
 set(EXETYPE MACOSX_BUNDLE)
 
 set(CMAKE_C_FLAGS_DEBUG "-fno-strict-aliasing -g")
diff --git a/build_files/cmake/platform/platform_unix.cmake b/build_files/cmake/platform/platform_unix.cmake
index c5e8893424b..b623200a159 100644
--- a/build_files/cmake/platform/platform_unix.cmake
+++ b/build_files/cmake/platform/platform_unix.cmake
@@ -435,6 +435,14 @@ if(WITH_XR_OPENXR)
   endif()
 endif()
 
+if(WITH_GMP)
+  find_package_wrapper(GMP)
+  if(NOT GMP_FOUND)
+    message(WARNING "GMP not found, disabling WITH_GMP")
+    set(WITH_GMP OFF)
+  endif()
+endif()
+
 if(EXISTS ${LIBDIR})
   without_system_libs_end()
 endif()
diff --git a/build_files/cmake/platform/platform_win32.cmake b/build_files/cmake/platform/platform_win32.cmake
index 01d48364435..dfcd5d75444 100644
--- a/build_files/cmake/platform/platform_win32.cmake
+++ b/build_files/cmake/platform/platform_win32.cmake
@@ -750,3 +750,10 @@ if(WITH_XR_OPENXR)
     set(WITH_XR_OPENXR OFF)
   endif()
 endif()
+
+if(WITH_GMP)
+  set(GMP_INCLUDE_DIRS ${LIBDIR}/gmp/include)
+  set(GMP_LIBRARIES ${LIBDIR}/gmp/lib/libgmp-10.lib optimized ${LIBDIR}/gmp/lib/libgmpxx.lib debug ${LIBDIR}/gmp/lib/libgmpxx_d.lib)
+  set(GMP_ROOT_DIR ${LIBDIR}/gmp)
+  set(GMP_FOUND On)
+endif()