1 files changed, 51 insertions, 0 deletions
diff --git a/src/cmake/modules/FindMPFR.cmake b/src/cmake/modules/FindMPFR.cmake
new file mode 100644
index 00000000..6c963272
--- /dev/null
+++ b/src/cmake/modules/FindMPFR.cmake
@@ -0,0 +1,51 @@
+# Try to find the MPFR libraries
+# MPFR_FOUND - system has MPFR lib
+# MPFR_INCLUDE_DIR - the MPFR include directory
+# MPFR_LIBRARIES_DIR - Directory where the MPFR libraries are located
+# MPFR_LIBRARIES - the MPFR libraries
+
+# TODO: support MacOSX
+
+include(FindPackageHandleStandardArgs)
+
+if(MPFR_INCLUDE_DIR)
+  set(MPFR_in_cache TRUE)
+else()
+  set(MPFR_in_cache FALSE)
+endif()
+if(NOT MPFR_LIBRARIES)
+  set(MPFR_in_cache FALSE)
+endif()
+
+# Is it already configured?
+if (MPFR_in_cache)
+  set(MPFR_FOUND TRUE)
+else()
+  find_path(MPFR_INCLUDE_DIR
+            NAMES mpfr.h
+            HINTS ENV MPFR_INC_DIR
+                  ENV MPFR_DIR
+                  ${CGAL_INSTALLATION_PACKAGE_DIR}/auxiliary/gmp/include
+            PATH_SUFFIXES include
+  	        DOC "The directory containing the MPFR header files"
+           )
+
+  find_library(MPFR_LIBRARIES NAMES mpfr libmpfr-4 libmpfr-1
+    HINTS ENV MPFR_LIB_DIR
+          ENV MPFR_DIR
+          ${CGAL_INSTALLATION_PACKAGE_DIR}/auxiliary/gmp/lib
+    PATH_SUFFIXES lib
+    DOC "Path to the MPFR library"
+    )
+
+  if ( MPFR_LIBRARIES )
+    get_filename_component(MPFR_LIBRARIES_DIR ${MPFR_LIBRARIES} PATH CACHE )
+  endif()
+
+  # Attempt to load a user-defined configuration for MPFR if couldn't be found
+  if ( NOT MPFR_INCLUDE_DIR OR NOT MPFR_LIBRARIES_DIR )
+    include( MPFRConfig OPTIONAL )
+  endif()
+
+  find_package_handle_standard_args(MPFR "DEFAULT_MSG" MPFR_LIBRARIES MPFR_INCLUDE_DIR)
+endif()