fix #700 (#701)

* first try to fix #700
Use CMAKE_INSTALL_PREFIX for install paths

* check IS_DIRECTORY LIB_INSTALL_DIR
* fix incorrect VAR usage in condition
* changed debian/rules according to @bluca patch

CMakeLists.txt

@@ -4,18 +4,22 @@ project(stlink C)
 set(PROJECT_DESCRIPTION "Open source version of the STMicroelectronics Stlink Tools")
 set(STLINK_UDEV_RULES_DIR "/etc/udev/rules.d" CACHE PATH "Udev rules directory")
 set(STLINK_MODPROBED_DIR "/etc/modprobe.d" CACHE PATH "modprobe.d directory")
-set(LIB_INSTALL_DIR "lib" CACHE PATH "Main library directory")
 
-if(IS_DIRECTORY CMAKE_LIBRARY_PATH)
+if( IS_DIRECTORY ${LIB_INSTALL_DIR})
+    set(LIB_INSTALL_DIR ${LIB_INSTALL_DIR} CACHE PATH "Main library directory")
+    set(STLINK_LIBRARY_PATH "${LIB_INSTALL_DIR}")
 else()
-    set(CMAKE_LIBRARY_PATH "lib")
+    set(LIB_INSTALL_DIR "lib" CACHE PATH "Main library directory")
+    set(STLINK_LIBRARY_PATH "${CMAKE_INSTALL_PREFIX}/${LIB_INSTALL_DIR}" )
 endif()
 
-if (WIN32)
-    set(STLINK_LIBRARY_PATH ${CMAKE_LIBRARY_PATH} CACHE PATH "Target lib directory")
+if( IS_DIRECTORY ${INCLUDE_INSTALL_DIR})
+    set(INCLUDE_INSTALL_DIR ${INCLUDE_INSTALL_DIR} CACHE PATH "Main include directory")
+    set(STLINK_INCLUDE_PATH "${INCLUDE_INSTALL_DIR}" )
 else()
-    set(STLINK_LIBRARY_PATH "${LIB_INSTALL_DIR}/${CMAKE_LIBRARY_PATH}" CACHE PATH "Target lib directory")
-endif(WIN32)
+    set(INCLUDE_INSTALL_DIR "include" CACHE PATH "Main include directory")
+    set(STLINK_INCLUDE_PATH "${CMAKE_INSTALL_PREFIX}/${INCLUDE_INSTALL_DIR}")
+endif()
 
 option(STLINK_GENERATE_MANPAGES "Generate manpages with pandoc" OFF)
 

debian/rules

@@ -15,5 +15,5 @@ export DEB_BUILD_MAINT_OPTIONS = hardening=+all
 
 override_dh_auto_configure:
 	dh_auto_configure -- \
-    -DCMAKE_LIBRARY_PATH=$(DEB_HOST_MULTIARCH) \
+    -DLIB_INSTALL_DIR=/usr/lib/$(DEB_HOST_MULTIARCH) \
     -DSTLINK_UDEV_RULES_DIR='/lib/udev/rules.d'

include/CMakeLists.txt

@@ -7,8 +7,8 @@ file(GLOB STLINK_HEADERS
 	"${CMAKE_BINARY_DIR}/include/stlink/*.h"
 )
 install(FILES ${CMAKE_SOURCE_DIR}/include/stlink.h
-	DESTINATION include/${CMAKE_LIBRARY_PATH}
+    DESTINATION ${STLINK_INCLUDE_PATH}
 )
 install(FILES ${STLINK_HEADERS}
-	DESTINATION include/${CMAKE_LIBRARY_PATH}/stlink
+    DESTINATION ${STLINK_INCLUDE_PATH}/stlink
 )