fix link problem on some linuxes (namely RH)

git-svn-id: http://svn.osgeo.org/qgis/trunk/qgis@12317 c8812cc2-4d05-0410-92ff-de0c093fc19c

Author: jef

CMakeLists.txt

@@ -110,6 +110,21 @@ ENDIF (NOT BISON_EXECUTABLE)
 # we don't use cblas
 SET(DONT_LINK_CBLAS TRUE)
 
+IF(NOT WIN32)
+  INCLUDE(CheckFunctionExists)
+  CHECK_FUNCTION_EXISTS(openpty OPENPTY_IN_LIBC)
+  IF(NOT OPENPTY_IN_LIBC)
+    SET(CMAKE_REQUIRED_INCLUDES util.h)
+    SET(CMAKE_REQUIRED_LIBRARIES util)
+    CHECK_FUNCTION_EXISTS(openpty NEED_LIBUTIL)
+    IF(NEED_LIBUTIL)
+      SET(OPENPTY_LIBRARY util)
+    ELSE(NEED_LIBUTIL)
+      MESSAGE (SEND_ERROR "openpty not found!")
+    ENDIF(NEED_LIBUTIL)
+  ENDIF(NOT OPENPTY_IN_LIBC)
+ENDIF(NOT WIN32)
+
 # required
 FIND_PACKAGE(Proj)
 FIND_PACKAGE(Expat)    # GPS importer plugin

src/plugins/grass/CMakeLists.txt

@@ -150,6 +150,7 @@ INCLUDE_DIRECTORIES(
 TARGET_LINK_LIBRARIES(grassplugin
   qgisgrass
   qgis_gui
+  ${OPENPTY_LIBRARY}
 )
 
 

src/python/CMakeLists.txt

@@ -27,6 +27,7 @@ SET_TARGET_PROPERTIES(qgispython PROPERTIES VERSION ${COMPLETE_VERSION} SOVERSIO
 TARGET_LINK_LIBRARIES(qgispython
   qgis_core
   ${PYTHON_LIBRARY}
+  ${OPENPTY_LIBRARY}
 )
 
 IF (APPLE)