diff --git a/CMakeLists.txt b/CMakeLists.txt
index 0af1d69b5..ecdc49256 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -6,6 +6,11 @@ set (HAVE_CMAKE true)
 project (task)
 set (PROJECT_VERSION "1.9.4.beta1")
 
+SET (TASK_MAN1DIR share/man/man1 CACHE STRING "Installation directory for man pages, section 1")
+SET (TASK_MAN5DIR share/man/man5 CACHE STRING "Installation directory for man pages, section 5")
+SET (TASK_DOCDIR  share/doc/task CACHE STRING "Installation directory for doc files")
+SET (TASK_BINDIR  bin            CACHE STRING "Installation directory for the binary")
+
 message ("-- Looking for SHA1 references")
 if (EXISTS .git/index)
   set (HAVE_COMMIT true)
@@ -63,6 +68,8 @@ if (${CMAKE_SYSTEM_NAME} MATCHES "Linux")
   set (LINUX true)
 elseif (${CMAKE_SYSTEM_NAME} MATCHES "Darwin")
   set (DARWIN true)
+elseif (${CMAKE_SYSTEM_NAME} MATCHES "FreeBSD")
+	set (FREEBSD true)
 else (${CMAKE_SYSTEM_NAME} MATCHES "Linux")
   set (UNKNOWN true)
 endif (${CMAKE_SYSTEM_NAME} MATCHES "Linux")
@@ -82,7 +89,7 @@ endif (EXISTS test)
 
 set (doc_FILES NEWS ChangeLog README INSTALL AUTHORS COPYING)
 foreach (doc_FILE ${doc_FILES})
-  install (FILES ${doc_FILE}  DESTINATION share/doc/task)
+  install (FILES ${doc_FILE}  DESTINATION ${TASK_DOCDIR})
 endforeach (doc_FILE)
 
 # ---
diff --git a/doc/CMakeLists.txt b/doc/CMakeLists.txt
index b2c56d0d3..1f8b0ebb0 100644
--- a/doc/CMakeLists.txt
+++ b/doc/CMakeLists.txt
@@ -6,8 +6,8 @@ foreach (man_FILE ${man_FILES})
     man/${man_FILE})
 endforeach (man_FILE)
 
-install (DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}/man/ DESTINATION share/man/man1
+install (DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}/man/ DESTINATION ${TASK_MAN1DIR}
                                                     FILES_MATCHING PATTERN "*.1")
-install (DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}/man/ DESTINATION share/man/man5
+install (DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}/man/ DESTINATION ${TASK_MAN5DIR}
                                                     FILES_MATCHING PATTERN "*.5")
-install (DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}/rc   DESTINATION share/doc/task)
+install (DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}/rc   DESTINATION ${TASK_DOCDIR})
diff --git a/i18n/CMakeLists.txt b/i18n/CMakeLists.txt
index 8507f7b8e..2ca0cfef8 100644
--- a/i18n/CMakeLists.txt
+++ b/i18n/CMakeLists.txt
@@ -1,4 +1,4 @@
-install (DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}/ DESTINATION share/doc/task/i18n
+install (DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}/ DESTINATION ${TASK_DOCDIR}/i18n
                                                 FILES_MATCHING REGEX "strings.*"
                                                                REGEX "tips.*"
                                                                PATTERN "CMakeFiles" EXCLUDE)
diff --git a/scripts/CMakeLists.txt b/scripts/CMakeLists.txt
index e56ca036a..36e98b416 100644
--- a/scripts/CMakeLists.txt
+++ b/scripts/CMakeLists.txt
@@ -1 +1 @@
-install (DIRECTORY bash fish vim zsh add-ons DESTINATION share/doc/task/scripts)
+install (DIRECTORY bash fish vim zsh add-ons DESTINATION ${TASK_DOCDIR}/scripts)
diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index 49999e394..1c27cb4df 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -24,7 +24,7 @@ add_executable (task_executable main.cpp)
 target_link_libraries (task_executable task ${TASK_LIBRARIES})
 set_property (TARGET task_executable PROPERTY OUTPUT_NAME "task")
 
-install (TARGETS task_executable DESTINATION bin)
+install (TARGETS task_executable DESTINATION ${TASK_BINDIR})
 
 set (CMAKE_BUILD_TYPE debug)
 set (CMAKE_C_FLAGS_DEBUG "-ggdb3")