1 files changed, 56 insertions, 0 deletions
diff --git a/cmake/modules/FindGMP.cmake b/cmake/modules/FindGMP.cmake
new file mode 100644
index 00000000..de57646f
--- /dev/null
+++ b/cmake/modules/FindGMP.cmake
@@ -0,0 +1,56 @@
+# - Try to find the GMP libraries
+# This module defines:
+#  GMP_FOUND             - system has GMP lib
+#  GMP_INCLUDE_DIR       - the GMP include directory
+#  GMP_LIBRARIES_DIR     - directory where the GMP libraries are located
+#  GMP_LIBRARIES         - Link these to use GMP
+#  GMP_IN_CGAL_AUXILIARY - TRUE if the GMP found is the one distributed with CGAL in the auxiliary folder
+
+# TODO: support MacOSX
+
+include(FindPackageHandleStandardArgs)
+#include(CGAL_GeneratorSpecificSettings)
+
+if(GMP_INCLUDE_DIR)
+  set(GMP_in_cache TRUE)
+else()
+  set(GMP_in_cache FALSE)
+endif()
+if(NOT GMP_LIBRARIES)
+  set(GMP_in_cache FALSE)
+endif()
+
+# Is it already configured?
+if (GMP_in_cache)
+
+  set(GMP_FOUND TRUE)
+
+else()
+
+  find_path(GMP_INCLUDE_DIR
+            NAMES gmp.h
+            HINTS ENV GMP_INC_DIR
+                  ENV GMP_DIR
+            PATH_SUFFIXES include
+  	        DOC "The directory containing the GMP header files"
+           )
+
+  find_library(GMP_LIBRARIES NAMES gmp libgmp-10
+    HINTS ENV GMP_LIB_DIR
+          ENV GMP_DIR
+    PATH_SUFFIXES lib
+    DOC "Path to the GMP library"
+    )
+
+  if ( GMP_LIBRARIES )
+    get_filename_component(GMP_LIBRARIES_DIR ${GMP_LIBRARIES} PATH CACHE )
+  endif()
+
+  # Attempt to load a user-defined configuration for GMP if couldn't be found
+  if ( NOT GMP_INCLUDE_DIR OR NOT GMP_LIBRARIES_DIR )
+    include( GMPConfig OPTIONAL )
+  endif()
+
+  find_package_handle_standard_args(GMP "DEFAULT_MSG" GMP_LIBRARIES GMP_INCLUDE_DIR)
+
+endif()