- Support building on FreeBSD

- Generate OpenMeshConfig.cmake

Thanks to Thibault Payet for the patch

CMakeLists.txt

@@ -5,6 +5,8 @@ cmake_minimum_required(VERSION 3.1.0 FATAL_ERROR)
 set( CMAKE_CXX_STANDARD_REQUIRED TRUE )
 set( CMAKE_CXX_STANDARD 11 )
 
+set(OpenMesh_RootDir ${CMAKE_CURRENT_LIST_DIR})
+
 enable_testing()
 
 # Only set project name if OpenMesh is built as stand-alone library
@@ -133,7 +135,13 @@ else()
 	set (OPENMESH_LIBRARY_DIR "${_OPENMESH_LIBRARY_DIR}" CACHE PATH "The directory where the OpenMesh libraries can be found.")
 endif()
 
-add_subdirectory (Doc)
+if ( NOT DEFINED OPENMESH_DOCS )
+  set( OPENMESH_DOCS false CACHE BOOL "Enable or disable building of documentation" )
+endif()
+
+if (OPENMESH_DOCS)
+  add_subdirectory (Doc)
+endif()
 
 # ========================================================================
 # Bundle generation (Targets exist, now configure them)
@@ -175,6 +183,20 @@ endif()
 
 # ========================================================================
 
+# Generate openmesh.pc file
+
+set(DEST_DIR "${CMAKE_INSTALL_PREFIX}")
+set(PRIVATE_LIBS "-lOpenMeshCore -lOpenMeshTools")
+
+configure_file("openmesh.pc.in" "${CMAKE_CURRENT_BINARY_DIR}/openmesh.pc" @ONLY)
+
+install(FILES ${CMAKE_CURRENT_BINARY_DIR}/openmesh.pc DESTINATION ${CMAKE_INSTALL_PREFIX}/libdata/pkgconfig)
+
+# generate target file
+
+install(EXPORT OpenMeshConfig DESTINATION share/OpenMesh/cmake)
+
+export(TARGETS OpenMeshCore OpenMeshTools FILE OpenMeshConfig.cmake)
 
 # display results
 acg_print_configure_header (OPENMESH "OpenMesh")

openmesh.pc.in

@@ -0,0 +1,11 @@
+prefix=@DEST_DIR@
+exec_prefix=${prefix}
+libdir=${prefix}/lib
+includedir=${prefix}/include
+
+Name: libOpenMesh
+Description: OpenMesh library
+Version: @OPENMESH_VERSION_MAJOR@.@OPENMESH_VERSION_MINOR@
+
+Libs: -L${libdir} @PRIVATE_LIBS@
+Cflags: -I${includedir}

src/OpenMesh/Core/CMakeLists.txt

@@ -132,4 +132,12 @@ install(DIRECTORY IO/
         PATTERN "Debian*" EXCLUDE )    
 endif ()
 
+target_include_directories(OpenMeshCore PUBLIC
+  $<BUILD_INTERFACE:${OpenMesh_RootDir}/src>
+  $<INSTALL_INTERFACE:include>)
+
+install(TARGETS OpenMeshCore EXPORT OpenMeshConfig
+  ARCHIVE DESTINATION ${CMAKE_INSTALL_LIBDIR}
+  LIBRARY DESTINATION ${CMAKE_INSTALL_LIBDIR}
+  RUNTIME DESTINATION ${CMAKE_INSTALL_BINDIR})
 

src/OpenMesh/Tools/CMakeLists.txt

@@ -115,4 +115,12 @@ install(FILES Utils/getopt.h DESTINATION include/OpenMesh/Tools/Utils)
 
 endif ()
 
+target_include_directories(OpenMeshTools PUBLIC
+  $<BUILD_INTERFACE:${OpenMesh_RootDir}/src>
+  $<INSTALL_INTERFACE:include>)
+
+install(TARGETS OpenMeshTools EXPORT OpenMeshConfig
+  ARCHIVE DESTINATION ${CMAKE_INSTALL_LIBDIR}
+  LIBRARY DESTINATION ${CMAKE_INSTALL_LIBDIR}
+  RUNTIME DESTINATION ${CMAKE_INSTALL_BINDIR})
 

src/OpenMesh/Tools/Utils/Timer.cc

@@ -183,7 +183,7 @@ protected:
 };
 
 // ----------------------------------------------------------- gettimeofday ----
-#elif (defined(__GNUC__) || (defined(__INTEL_COMPILER) && !defined(WIN32))) && !defined(__MINGW32__)
+#elif (defined(__GNUC__) && !defined(__FreeBSD__) || (defined(__INTEL_COMPILER) && !defined(WIN32))) && !defined(__MINGW32__)
 
 #  include <sys/time.h>
 #  include <sys/resource.h>
@@ -271,7 +271,7 @@ Timer::Timer(void) :
 #  else
   impl_      = new TimerImplPosix<CLOCK_REALTIME>;
 #  endif
-#elif (defined(__GNUC__) || (defined(__INTEL_COMPILER) && !defined(WIN32)) ) && !defined(__MINGW32__)
+#elif (defined(__GNUC__) && !defined(__FreeBSD__) || (defined(__INTEL_COMPILER) && !defined(WIN32)) ) && !defined(__MINGW32__)
   impl_      = new TimerImplGToD;
 #else
   impl_       = new TimerImplStd;

src/OpenMesh/Tools/Utils/getopt.h

@@ -21,7 +21,7 @@
 
   #endif
 
-#elif defined __APPLE__
+#elif defined __APPLE__ || defined(__FreeBSD__)
  #include <unistd.h>
 #else
  #include <getopt.h>