From 892b854f57f48381751b79bfc52048ea57bb0376 Mon Sep 17 00:00:00 2001 From: Gunther Laure Date: Mon, 26 Jan 2015 18:13:44 +0100 Subject: [PATCH] FindBoost: Search for debug and release libraries separately (#15364) Split Boost_LIBRARY_DIR into Boost_LIBRARY_DIR_[RELEASE,DEBUG] to allow libraries to be grouped into per-config directories. --- Modules/FindBoost.cmake | 160 +++++++++++++++++++++++++++------------- 1 file changed, 109 insertions(+), 51 deletions(-) diff --git a/Modules/FindBoost.cmake b/Modules/FindBoost.cmake index 99293c13c..466090b68 100644 --- a/Modules/FindBoost.cmake +++ b/Modules/FindBoost.cmake @@ -49,7 +49,8 @@ # and saves search results persistently in CMake cache entries:: # # Boost_INCLUDE_DIR - Directory containing Boost headers -# Boost_LIBRARY_DIR - Directory containing Boost libraries +# Boost_LIBRARY_DIR_RELEASE - Directory containing release Boost libraries +# Boost_LIBRARY_DIR_DEBUG - Directory containing debug Boost libraries # Boost__LIBRARY_DEBUG - Component library debug variant # Boost__LIBRARY_RELEASE - Component library release variant # @@ -65,7 +66,8 @@ # using the above hints (excluding BOOST_INCLUDEDIR and # Boost_ADDITIONAL_VERSIONS), "lib" directories near Boost_INCLUDE_DIR, # and the library name configuration settings below. It saves the -# library directory in Boost_LIBRARY_DIR and individual library +# library directories in Boost_LIBRARY_DIR_DEBUG and +# Boost_LIBRARY_DIR_RELEASE and individual library # locations in Boost__LIBRARY_DEBUG and Boost__LIBRARY_RELEASE. # When one changes settings used by previous searches in the same build # tree (excluding environment variables) this module discards previous @@ -118,6 +120,8 @@ # "/usr/lib/libboost_system.so". This does not # affect linking and should not be enabled unless # the user needs this information. +# Boost_LIBRARY_DIR - Default value for Boost_LIBRARY_DIR_RELEASE and +# Boost_LIBRARY_DIR_DEBUG. # # On Visual Studio and Borland compilers Boost headers request automatic # linking to corresponding libraries. This requires matching libraries @@ -283,6 +287,14 @@ macro(_Boost_ADJUST_LIB_VARS basename) ) endmacro() +# Detect changes in used variables. +# Compares the current variable value with the last one. +# In short form: +# v != v_LAST -> CHANGED = 1 +# v is defined, v_LAST not -> CHANGED = 1 +# v is not defined, but v_LAST is -> CHANGED = 1 +# otherwise -> CHANGED = 0 +# CHANGED is returned in variable named ${changed_var} macro(_Boost_CHANGE_DETECT changed_var) set(${changed_var} 0) foreach(v ${ARGN}) @@ -305,23 +317,33 @@ macro(_Boost_CHANGE_DETECT changed_var) endforeach() endmacro() -macro(_Boost_FIND_LIBRARY var) +# +# Find the given library (var). +# Use 'build_type' to support different lib paths for RELEASE or DEBUG builds +# +macro(_Boost_FIND_LIBRARY var build_type) + find_library(${var} ${ARGN}) if(${var}) - # If this is the first library found then save Boost_LIBRARY_DIR. - if(NOT Boost_LIBRARY_DIR) + # If this is the first library found then save Boost_LIBRARY_DIR_[RELEASE,DEBUG]. + if(NOT Boost_LIBRARY_DIR_${build_type}) get_filename_component(_dir "${${var}}" PATH) - set(Boost_LIBRARY_DIR "${_dir}" CACHE PATH "Boost library directory" FORCE) + set(Boost_LIBRARY_DIR_${build_type} "${_dir}" CACHE PATH "Boost library directory ${build_type}" FORCE) endif() elseif(_Boost_FIND_LIBRARY_HINTS_FOR_COMPONENT) - # Try component-specific hints but do not save Boost_LIBRARY_DIR. + # Try component-specific hints but do not save Boost_LIBRARY_DIR_[RELEASE,DEBUG]. find_library(${var} HINTS ${_Boost_FIND_LIBRARY_HINTS_FOR_COMPONENT} ${ARGN}) endif() - # If Boost_LIBRARY_DIR is known then search only there. - if(Boost_LIBRARY_DIR) - set(_boost_LIBRARY_SEARCH_DIRS ${Boost_LIBRARY_DIR} NO_DEFAULT_PATH NO_CMAKE_FIND_ROOT_PATH) + # If Boost_LIBRARY_DIR_[RELEASE,DEBUG] is known then search only there. + if(Boost_LIBRARY_DIR_${build_type}) + set(_boost_LIBRARY_SEARCH_DIRS_${build_type} ${Boost_LIBRARY_DIR_${build_type}} NO_DEFAULT_PATH NO_CMAKE_FIND_ROOT_PATH) + if(Boost_DEBUG) + message(STATUS "[ ${CMAKE_CURRENT_LIST_FILE}:${CMAKE_CURRENT_LIST_LINE} ] " + " Boost_LIBRARY_DIR_${build_type} = ${Boost_LIBRARY_DIR_${build_type}}" + " _boost_LIBRARY_SEARCH_DIRS_${build_type} = ${_boost_LIBRARY_SEARCH_DIRS_${build_type}}") + endif() endif() endmacro() @@ -456,6 +478,16 @@ endfunction() # main. #------------------------------------------------------------------------------- + +# If the user sets Boost_LIBRARY_DIR, use it as the default for both +# configurations. +if(NOT Boost_LIBRARY_DIR_RELEASE AND Boost_LIBRARY_DIR) + set(Boost_LIBRARY_DIR_RELEASE "${Boost_LIBRARY_DIR}") +endif() +if(NOT Boost_LIBRARY_DIR_DEBUG AND Boost_LIBRARY_DIR) + set(Boost_LIBRARY_DIR_DEBUG "${Boost_LIBRARY_DIR}") +endif() + if(NOT DEFINED Boost_USE_MULTITHREADED) set(Boost_USE_MULTITHREADED TRUE) endif() @@ -846,49 +878,54 @@ endif() # ------------------------------------------------------------------------ # Begin finding boost libraries # ------------------------------------------------------------------------ -set(_Boost_VARS_LIB BOOST_LIBRARYDIR Boost_LIBRARY_DIR) -_Boost_CHANGE_DETECT(_Boost_CHANGE_LIBDIR ${_Boost_VARS_DIR} ${_Boost_VARS_LIB} Boost_INCLUDE_DIR) -# Clear Boost_LIBRARY_DIR if it did not change but other input affecting the -# location did. We will find a new one based on the new inputs. -if(_Boost_CHANGE_LIBDIR AND NOT _Boost_LIBRARY_DIR_CHANGED) - unset(Boost_LIBRARY_DIR CACHE) -endif() -if(Boost_LIBRARY_DIR) - set(_boost_LIBRARY_SEARCH_DIRS ${Boost_LIBRARY_DIR} NO_DEFAULT_PATH NO_CMAKE_FIND_ROOT_PATH) -else() - set(_boost_LIBRARY_SEARCH_DIRS "") - if(BOOST_LIBRARYDIR) - list(APPEND _boost_LIBRARY_SEARCH_DIRS ${BOOST_LIBRARYDIR}) - elseif(_ENV_BOOST_LIBRARYDIR) - list(APPEND _boost_LIBRARY_SEARCH_DIRS ${_ENV_BOOST_LIBRARYDIR}) +foreach(c DEBUG RELEASE) + set(_Boost_VARS_LIB_${c} BOOST_LIBRARYDIR Boost_LIBRARY_DIR_${c}) + _Boost_CHANGE_DETECT(_Boost_CHANGE_LIBDIR_${c} ${_Boost_VARS_DIR} ${_Boost_VARS_LIB_${c}} Boost_INCLUDE_DIR) + # Clear Boost_LIBRARY_DIR_${c} if it did not change but other input affecting the + # location did. We will find a new one based on the new inputs. + if(_Boost_CHANGE_LIBDIR_${c} AND NOT _Boost_LIBRARY_DIR_${c}_CHANGED) + unset(Boost_LIBRARY_DIR_${c} CACHE) endif() - if(BOOST_ROOT) - list(APPEND _boost_LIBRARY_SEARCH_DIRS ${BOOST_ROOT}/lib ${BOOST_ROOT}/stage/lib) - elseif(_ENV_BOOST_ROOT) - list(APPEND _boost_LIBRARY_SEARCH_DIRS ${_ENV_BOOST_ROOT}/lib ${_ENV_BOOST_ROOT}/stage/lib) - endif() - - list(APPEND _boost_LIBRARY_SEARCH_DIRS - ${Boost_INCLUDE_DIR}/lib - ${Boost_INCLUDE_DIR}/../lib - ${Boost_INCLUDE_DIR}/stage/lib - ) - if( Boost_NO_SYSTEM_PATHS ) - list(APPEND _boost_LIBRARY_SEARCH_DIRS NO_CMAKE_SYSTEM_PATH) + # If Boost_LIBRARY_DIR_[RELEASE,DEBUG] is set, prefer its value. + if(Boost_LIBRARY_DIR_${c}) + set(_boost_LIBRARY_SEARCH_DIRS_${c} ${Boost_LIBRARY_DIR_${c}} NO_DEFAULT_PATH NO_CMAKE_FIND_ROOT_PATH) else() - list(APPEND _boost_LIBRARY_SEARCH_DIRS PATHS - C:/boost/lib - C:/boost - /sw/local/lib + set(_boost_LIBRARY_SEARCH_DIRS_${c} "") + if(BOOST_LIBRARYDIR) + list(APPEND _boost_LIBRARY_SEARCH_DIRS_${c} ${BOOST_LIBRARYDIR}) + elseif(_ENV_BOOST_LIBRARYDIR) + list(APPEND _boost_LIBRARY_SEARCH_DIRS_${c} ${_ENV_BOOST_LIBRARYDIR}) + endif() + + if(BOOST_ROOT) + list(APPEND _boost_LIBRARY_SEARCH_DIRS_${c} ${BOOST_ROOT}/lib ${BOOST_ROOT}/stage/lib) + elseif(_ENV_BOOST_ROOT) + list(APPEND _boost_LIBRARY_SEARCH_DIRS_${c} ${_ENV_BOOST_ROOT}/lib ${_ENV_BOOST_ROOT}/stage/lib) + endif() + + list(APPEND _boost_LIBRARY_SEARCH_DIRS_${c} + ${Boost_INCLUDE_DIR}/lib + ${Boost_INCLUDE_DIR}/../lib + ${Boost_INCLUDE_DIR}/stage/lib ) + if( Boost_NO_SYSTEM_PATHS ) + list(APPEND _boost_LIBRARY_SEARCH_DIRS_${c} NO_CMAKE_SYSTEM_PATH) + else() + list(APPEND _boost_LIBRARY_SEARCH_DIRS_${c} PATHS + C:/boost/lib + C:/boost + /sw/local/lib + ) + endif() endif() -endif() +endforeach() if(Boost_DEBUG) message(STATUS "[ ${CMAKE_CURRENT_LIST_FILE}:${CMAKE_CURRENT_LIST_LINE} ] " - "_boost_LIBRARY_SEARCH_DIRS = ${_boost_LIBRARY_SEARCH_DIRS}") + "_boost_LIBRARY_SEARCH_DIRS_RELEASE = ${_boost_LIBRARY_SEARCH_DIRS_RELEASE}" + "_boost_LIBRARY_SEARCH_DIRS_DEBUG = ${_boost_LIBRARY_SEARCH_DIRS_DEBUG}") endif() # Support preference of static libs by adjusting CMAKE_FIND_LIBRARY_SUFFIXES @@ -1002,10 +1039,16 @@ foreach(COMPONENT ${Boost_FIND_COMPONENTS}) "Searching for ${UPPERCOMPONENT}_LIBRARY_RELEASE: ${_boost_RELEASE_NAMES}") endif() - # Avoid passing backslashes to _Boost_FIND_LIBRARY due to macro re-parsing. - string(REPLACE "\\" "/" _boost_LIBRARY_SEARCH_DIRS_tmp "${_boost_LIBRARY_SEARCH_DIRS}") + # if Boost_LIBRARY_DIR_RELEASE is not defined, + # but Boost_LIBRARY_DIR_DEBUG is, look there first for RELEASE libs + if(NOT Boost_LIBRARY_DIR_RELEASE AND Boost_LIBRARY_DIR_DEBUG) + list(INSERT _boost_LIBRARY_SEARCH_DIRS_RELEASE 0 ${Boost_LIBRARY_DIR_DEBUG}) + endif() - _Boost_FIND_LIBRARY(Boost_${UPPERCOMPONENT}_LIBRARY_RELEASE + # Avoid passing backslashes to _Boost_FIND_LIBRARY due to macro re-parsing. + string(REPLACE "\\" "/" _boost_LIBRARY_SEARCH_DIRS_tmp "${_boost_LIBRARY_SEARCH_DIRS_RELEASE}") + + _Boost_FIND_LIBRARY(Boost_${UPPERCOMPONENT}_LIBRARY_RELEASE RELEASE NAMES ${_boost_RELEASE_NAMES} HINTS ${_boost_LIBRARY_SEARCH_DIRS_tmp} NAMES_PER_DIR @@ -1038,10 +1081,16 @@ foreach(COMPONENT ${Boost_FIND_COMPONENTS}) "Searching for ${UPPERCOMPONENT}_LIBRARY_DEBUG: ${_boost_DEBUG_NAMES}") endif() - # Avoid passing backslashes to _Boost_FIND_LIBRARY due to macro re-parsing. - string(REPLACE "\\" "/" _boost_LIBRARY_SEARCH_DIRS_tmp "${_boost_LIBRARY_SEARCH_DIRS}") + # if Boost_LIBRARY_DIR_DEBUG is not defined, + # but Boost_LIBRARY_DIR_RELEASE is, look there first for DEBUG libs + if(NOT Boost_LIBRARY_DIR_DEBUG AND Boost_LIBRARY_DIR_RELEASE) + list(INSERT _boost_LIBRARY_SEARCH_DIRS_DEBUG 0 ${Boost_LIBRARY_DIR_RELEASE}) + endif() - _Boost_FIND_LIBRARY(Boost_${UPPERCOMPONENT}_LIBRARY_DEBUG + # Avoid passing backslashes to _Boost_FIND_LIBRARY due to macro re-parsing. + string(REPLACE "\\" "/" _boost_LIBRARY_SEARCH_DIRS_tmp "${_boost_LIBRARY_SEARCH_DIRS_DEBUG}") + + _Boost_FIND_LIBRARY(Boost_${UPPERCOMPONENT}_LIBRARY_DEBUG DEBUG NAMES ${_boost_DEBUG_NAMES} HINTS ${_boost_LIBRARY_SEARCH_DIRS_tmp} NAMES_PER_DIR @@ -1067,7 +1116,16 @@ endif() # ------------------------------------------------------------------------ set(Boost_INCLUDE_DIRS ${Boost_INCLUDE_DIR}) -set(Boost_LIBRARY_DIRS ${Boost_LIBRARY_DIR}) +set(Boost_LIBRARY_DIRS) +if(Boost_LIBRARY_DIR_RELEASE) + list(APPEND Boost_LIBRARY_DIRS ${Boost_LIBRARY_DIR_RELEASE}) +endif() +if(Boost_LIBRARY_DIR_DEBUG) + list(APPEND Boost_LIBRARY_DIRS ${Boost_LIBRARY_DIR_DEBUG}) +endif() +if(Boost_LIBRARY_DIRS) + list(REMOVE_DUPLICATES Boost_LIBRARY_DIRS) +endif() # The above setting of Boost_FOUND was based only on the header files. # Update it for the requested component libraries.