cmake: fix missing rpath

CMakeLists.txt

@@ -6,7 +6,6 @@ IF(POLICY CMP0042)
   CMAKE_POLICY(SET CMP0042 NEW)
 ENDIF(POLICY CMP0042)
 SET(CMAKE_MACOSX_RPATH ON)
-SET(CMAKE_INSTALL_RPATH_USE_LINK_PATH TRUE)
 SET(CMAKE_POSITION_INDEPENDENT_CODE ON)
 
 # Configuration Options
@@ -85,6 +84,36 @@ SET(X_DATADIR ${CMAKE_INSTALL_FULL_DATADIR} CACHE INTERNAL "share")
 SET(X_INCLUDEDIR ${CMAKE_INSTALL_FULL_INCLUDEDIR} CACHE INTERNAL "include")
 SET(X_LIBDIR ${CMAKE_INSTALL_FULL_LIBDIR} CACHE INTERNAL "lib")
 
+############
+# This sets an rpath to buildtime libraries in build directory
+# and rewrites the rpath to the install location during install
+# these lines must come before add_library and add_executable macros
+############
+
+# https://gitlab.kitware.com/cmake/community/wikis/doc/cmake/RPATH-handling
+# use, i.e. don't skip the full RPATH for the build tree
+SET(CMAKE_SKIP_BUILD_RPATH  FALSE)
+
+# when building, don't use the install RPATH already
+# (but later on when installing)
+SET(CMAKE_BUILD_WITH_INSTALL_RPATH FALSE)
+
+SET(CMAKE_INSTALL_RPATH "${CMAKE_INSTALL_PREFIX}/${CMAKE_INSTALL_LIBDIR}")
+
+# add the automatically determined parts of the RPATH
+# which point to directories outside the build tree to the install RPATH
+SET(CMAKE_INSTALL_RPATH_USE_LINK_PATH TRUE)
+
+# the RPATH to be used when installing, but only if it's not a system directory
+LIST(FIND CMAKE_PLATFORM_IMPLICIT_LINK_DIRECTORIES "${CMAKE_INSTALL_PREFIX}/${CMAKE_INSTALL_LIBDIR}" isSystemDir)
+IF("${isSystemDir}" STREQUAL "-1")
+   SET(CMAKE_INSTALL_RPATH "${CMAKE_INSTALL_PREFIX}/${CMAKE_INSTALL_LIBDIR}")
+ENDIF("${isSystemDir}" STREQUAL "-1")
+
+############
+# End rpath stuff
+############
+
 # Subdirectories
 INCLUDE(MFU_ADD_TOOL)
 INCLUDE_DIRECTORIES(${CMAKE_CURRENT_SOURCE_DIR}/src/common)

cmake/MFU_ADD_TOOL.cmake

@@ -3,6 +3,6 @@ FUNCTION(MFU_ADD_TOOL name)
   ADD_EXECUTABLE(${name} ${name}.c)
   TARGET_LINK_LIBRARIES(${name} mfu)
   SET_TARGET_PROPERTIES(${name} PROPERTIES C_STANDARD 99)
-  INSTALL(PROGRAMS ${CMAKE_CURRENT_BINARY_DIR}/${name} DESTINATION ${CMAKE_INSTALL_BINDIR})
+  INSTALL(TARGETS ${name} DESTINATION ${CMAKE_INSTALL_BINDIR})
 
 ENDFUNCTION(MFU_ADD_TOOL name)

experimental/dtar/CMakeLists.txt

@@ -4,4 +4,4 @@ INCLUDE_DIRECTORIES(${CMAKE_CURRENT_SOURCE_DIR})
 ADD_EXECUTABLE(dtar dtar.c mfu_flist_archive.c)
 TARGET_LINK_LIBRARIES(dtar mfu)
 SET_TARGET_PROPERTIES(dtar PROPERTIES C_STANDARD 99)
-INSTALL(PROGRAMS ${CMAKE_CURRENT_BINARY_DIR}/dtar DESTINATION ${CMAKE_INSTALL_BINDIR})
+INSTALL(TARGETS dtar DESTINATION ${CMAKE_INSTALL_BINDIR})

src/common/CMakeLists.txt

@@ -40,11 +40,11 @@ ADD_LIBRARY(mfu_o OBJECT ${libmfu_srcs})
 SET_TARGET_PROPERTIES(mfu_o PROPERTIES C_STANDARD 99)
 
 ADD_LIBRARY(mfu SHARED $<TARGET_OBJECTS:mfu_o>)
-TARGET_LINK_LIBRARIES(mfu ${MFU_EXTERNAL_LIBS})
+TARGET_LINK_LIBRARIES(mfu LINK_PUBLIC ${MFU_EXTERNAL_LIBS})
 SET_TARGET_PROPERTIES(mfu PROPERTIES OUTPUT_NAME mfu CLEAN_DIRECT_OUTPUT 1)
 INSTALL(TARGETS mfu DESTINATION ${CMAKE_INSTALL_LIBDIR})
 
 ADD_LIBRARY(mfu-static STATIC $<TARGET_OBJECTS:mfu_o>)
-TARGET_LINK_LIBRARIES(mfu-static ${MFU_EXTERNAL_LIBS})
+TARGET_LINK_LIBRARIES(mfu-static LINK_PUBLIC ${MFU_EXTERNAL_LIBS})
 SET_TARGET_PROPERTIES(mfu-static PROPERTIES OUTPUT_NAME mfu CLEAN_DIRECT_OUTPUT 1)
 INSTALL(TARGETS mfu-static DESTINATION ${CMAKE_INSTALL_LIBDIR})

src/dcp1/CMakeLists.txt

@@ -15,4 +15,4 @@ LIST(APPEND dcp1_srcs
 ADD_EXECUTABLE(dcp1 ${dcp1_srcs})
 TARGET_LINK_LIBRARIES(dcp1 mfu)
 SET_TARGET_PROPERTIES(dcp1 PROPERTIES C_STANDARD 99)
-INSTALL(PROGRAMS ${CMAKE_CURRENT_BINARY_DIR}/dcp1 DESTINATION ${CMAKE_INSTALL_BINDIR})
+INSTALL(TARGETS dcp1 DESTINATION ${CMAKE_INSTALL_BINDIR})