Added test for GMP and inkscape.

[[Imported from SVN: r6898]]

cmake/modules/DuneCommonMacros.cmake

@@ -21,3 +21,5 @@ else(Fortran_Works)
   file(WRITE ${CMAKE_BINARY_DIR}/FC.h "")
 endif(Fortran_Works)
 
+find_package(GMP)
+find_package(Inkscape)

cmake/modules/FindGMP.cmake

+# Module that checks for the GNU MP Bignum (GMP) library, include
+# dirs and
+#
+# Variables used by this module which you may want to set:
+# GMP_PATH Path list to search for GMP
+#
+# Sets the following variables:
+# GMP_FOUND True if the GMP library was found.
+#
+
+include(CheckIncludeFileCXX)
+
+set(GMP_SEARCH_PATH CACHE FILEPATH "User defined list of directories to search for the GNU GMP library")
+
+# save old variables
+set(CMAKE_REQUIRED_INCLUDES_SAVE ${CMAKE_REQUIRED_INCLUDES})
+set(CMAKE_REQUIRED_FLAGS_SAVE    ${CMAKE_REQUIRED_FLAGS})
+set(CMAKE_REQUIRED_LIBRARIES_SAVE ${CMAKE_REQUIRED_LIBRARIES})
+
+
+# Search for location of header gmpxx.h"
+find_path(GMP_INCLUDE_DIRS "gmpxx.h" PATHS ${GMP_SEARCH_PATH} PATH_SUFFIXES include NO_DEFAULT_PATH)
+#If not found fall back to default locations
+find_path(GMP_INCLUDE_DIRS "gmpxx.h")
+
+if(GMP_INCLUDE_DIRS)
+  set(CMAKE_REQUIRED_INCLUDES ${CMAKE_REQUIRED_INCLUDES_SAVE} ${GMP_INCLUDE_DIRS})
+  check_include_files("gmpxx.h" GMP_FOUND)
+  find_library(GMP_LIB gmp  PATHS ${GMP_SEARCH_PATH} PATH_SUFFIXES lib NODEFAULT_PATH DOC "GNU GMP library")
+  find_library(GMP_LIB gmp)
+  find_library(GMPXX_LIB gmpxx  PATHS ${GMP_SEARCH_PATH} NODEFAULT_PATH DOC DOC "GNU GMPXX library")
+  find_library(GMPXX_LIB gmpxx)
+
+  if(GMP_LIB AND GMPXX_LIB)
+    set(GMP_FOUND "GMP_FOUND-NOTFOUND")
+    check_symbol_exists(__gmpz_abs ${GMP_LIB} GMP_FOUND)
+    if(GMP_FOUND)
+      set(GMP_LIBRARIES ${GMP_LIB} ${GMPXX_LIB} CACHE INTERNAL)
+      set(GMP_COMPILE_FLAGS "-DENABLE_GMP")
+    endif(GMP_FOUND)
+  else()
+    set(GMP_FOUND "GMP_FOUND-NOTFOUND")
+  endif()
+  set(HAVE_GMP GMP_FOUND)
+endif(GMP_INCLUDE_DIRS)
+
+# restore values
+set(CMAKE_REQUIRED_INCLUDES ${CMAKE_REQUIRED_INCLUDES_SAVE})
+set(CMAKE_REQUIRED_FLAGS    ${CMAKE_REQUIRED_FLAGS_SAVE})
+set(CMAKE_REQUIRED_LIBRARIES ${CMAKE_REQUIRED_LIBRARIES_SAVE})
+mark_as_advanced(GMP_LIB GMP_LIBXX)
+
+function(dune_add_gmp_flags _targets)
+  if(GMP_FOUND)
+    foreach(_target ${_targets})
+      target_link_libraries(${_target} ${GMP_LIBRARIES})
+      set_property(TARGET ${_target} APPEND_STRING COMPILE_FLAGS "-DENABLE_GMP=1")
+      foreach(_path ${GMP_INCLUDE_DIRS})
+	set_property(TARGET ${_target} APPEND_STRING COMPILE_FLAGS "-I${_path}")
+      endforeach(_path ${GMP_INCLUDE_DIRS})
+    endif(GMP_FOUND)
+endfunction(dune_add_gmp_flags)
+

cmake/modules/FindInkscape.cmake

+# Module thaat checks for inkscape
+#
+# Sets the following variables
+#
+# INSCAPE: Path to inkscape to generate .png's form .svg's
+#
+
+find_program(INKSCAPE inkscape DOC "Path to inkscape to generate .png's form .svg'")

config.h.cmake

@@ -64,6 +64,10 @@
    deprecated MPI_CPPFLAGS) */
 #cmakedefine HAVE_MPI ENABLE_MPI
 
+/* Define if you have the GNU GMP library. The value should be ENABLE_GMP
+   to facilitate activating and deactivating GMP using compile flags. */
+#cmakedefine HAVE_GMP ENABLE_GMP
+
 /* Define to 1 if nullptr is supported */
 #cmakedefine HAVE_NULLPTR 1