diff options
Diffstat (limited to 'Modules/FindBoost.cmake')
| -rw-r--r-- | Modules/FindBoost.cmake | 82 |
1 files changed, 72 insertions, 10 deletions
diff --git a/Modules/FindBoost.cmake b/Modules/FindBoost.cmake index c3ac424..5ccbd6b 100644 --- a/Modules/FindBoost.cmake +++ b/Modules/FindBoost.cmake @@ -34,7 +34,7 @@ # Boost that contain header files only (e.g. foreach) you do not need to # specify COMPONENTS. # -# You should provide a minimum version number that should be used. If you provide this +# You should provide a minimum version number that should be used. If you provide this # version number and specify the REQUIRED attribute, this module will fail if it # can't find the specified or a later version. If you specify a version number this is # automatically put into the considered list of version numbers and thus doesn't need @@ -92,6 +92,12 @@ # BOOST_ROOT. Defaults to OFF. # [Since CMake 2.8.3] # +# Boost_NO_BOOST_CMAKE Do not do a find_package call in config mode +# before searching for a regular boost install. +# This will avoid finding boost-cmake installs. +# Defaults to OFF. +# [Since CMake 2.8.6] +# # Boost_USE_STATIC_RUNTIME If enabled, searches for boost libraries # linked against a static C++ standard library # ('s' ABI tag). This option should be set to @@ -134,7 +140,7 @@ # unless this is set to TRUE or the REQUIRED # keyword is specified in find_package(). # [Since CMake 2.8.0] -# +# # Boost_COMPILER Set this to the compiler suffix used by Boost # (e.g. "-gcc43") if FindBoost has problems finding # the proper Boost installation @@ -164,13 +170,27 @@ # # These last three variables are available also as environment variables: -# Also, note they are completely UPPERCASE. +# Also, note they are completely UPPERCASE, except Boost_DIR. +# +# Boost_DIR or The preferred installation prefix for searching for +# BOOST_ROOT or BOOSTROOT Boost. Set this if the module has problems finding +# the proper Boost installation. +# +# Note that Boost_DIR behaves exactly as <package>_DIR +# variables are documented to behave in find_package's +# Config mode. That is, if it is set as a -D argument +# to CMake, it must point to the location of the +# BoostConfig.cmake or Boost-config.cmake file. If it +# is set as an environment variable, it must point to +# the root of the boost installation. BOOST_ROOT and +# BOOSTROOT, on the other hand, will point to the root +# in either case. +# +# To prevent falling back on the system paths, set +# Boost_NO_SYSTEM_PATHS to true. # -# BOOST_ROOT or BOOSTROOT The preferred installation prefix for searching for -# Boost. Set this if the module has problems finding -# the proper Boost installation. To prevent falling -# back on the system paths, set Boost_NO_SYSTEM_PATHS -# to true. +# To avoid finding boost-cmake installations, set +# Boost_NO_BOOST_CMAKE to true. # # BOOST_INCLUDEDIR Set this to the include directory of Boost, if the # module has problems finding the proper Boost installation @@ -237,6 +257,43 @@ # (To distribute this file outside of CMake, substitute the full # License text for the above reference.) + +#------------------------------------------------------------------------------- +# Before we go searching, check whether boost-cmake is avaialble, unless the +# user specifically asked NOT to search for boost-cmake. +# +# If Boost_DIR is set, this behaves as any find_package call would. If not, +# it looks at BOOST_ROOT and BOOSTROOT to find Boost. +# +if (NOT Boost_NO_BOOST_CMAKE) + # If Boost_DIR is not set, look for BOOSTROOT and BOOST_ROOT as alternatives, + # since these are more conventional for Boost. + if ("$ENV{Boost_DIR}" STREQUAL "") + if (NOT "$ENV{BOOST_ROOT}" STREQUAL "") + set(ENV{Boost_DIR} $ENV{BOOST_ROOT}) + elseif (NOT "$ENV{BOOSTROOT}" STREQUAL "") + set(ENV{Boost_DIR} $ENV{BOOSTROOT}) + endif() + endif() + + # Do the same find_package call but look specifically for the CMake version. + # Note that args are passed in the Boost_FIND_xxxxx variables, so there is no + # need to delegate them to this find_package call. + find_package(Boost QUIET NO_MODULE) + + # If we found boost-cmake, then we're done. Print out what we found. + # Otherwise let the rest of the module try to find it. + if (Boost_FOUND) + message("Boost ${Boost_FIND_VERSION} found.") + if (Boost_FIND_COMPONENTS) + message("Found Boost components:") + message(" ${Boost_FIND_COMPONENTS}") + endif() + return() + endif() +endif() + + #------------------------------------------------------------------------------- # FindBoost functions & macros # @@ -287,7 +344,7 @@ macro(_Boost_ADJUST_LIB_VARS basename) set(Boost_${basename}_LIBRARY ${Boost_${basename}_LIBRARY_RELEASE} ) set(Boost_${basename}_LIBRARIES ${Boost_${basename}_LIBRARY_RELEASE} ) endif() - + if(Boost_${basename}_LIBRARY) set(Boost_${basename}_LIBRARY ${Boost_${basename}_LIBRARY} CACHE FILEPATH "The Boost ${basename} library") @@ -372,7 +429,7 @@ endfunction() # # End functions/macros -# +# #------------------------------------------------------------------------------- @@ -517,6 +574,11 @@ else(_boost_IN_CACHE) _Boost_CHECK_SPELLING(Boost_INCLUDEDIR) # If BOOST_ROOT was defined in the environment, use it. + if (NOT BOOST_ROOT AND NOT $ENV{Boost_DIR} STREQUAL "") + set(BOOST_ROOT $ENV{Boost_DIR}) + endif() + + # If BOOST_ROOT was defined in the environment, use it. if (NOT BOOST_ROOT AND NOT $ENV{BOOST_ROOT} STREQUAL "") set(BOOST_ROOT $ENV{BOOST_ROOT}) endif() |