GpgFrontend/vmime
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Allow overriding auto-detection of shared_ptr<> implementation.

Browse Source
This commit is contained in:
Vincent Richard 2013-12-10 08:54:54 +01:00
parent 7e265b05f4
commit a15d2d2044
1 changed files with 39 additions and 7 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

46
CMakeLists.txt
View File

@ -803,6 +803,12 @@ ENDIF()
INCLUDE(cmake/cmake-cxx11/Modules/CheckCXX11Features.cmake)
# Smart pointers
#
# If a C++11-compliant compiler is available and supports std::shared_ptr<>,
# use the standard implementation. Else, use boost::shared_ptr<>.
# In any case, let the user override the choice with VMIME_SHARED_PTR_USE_CXX
# and VMIME_SHARED_PTR_USE_BOOST variables.
CHECK_CXX_SOURCE_COMPILES(
"
#include <memory>
@ -815,7 +821,35 @@ CHECK_CXX_SOURCE_COMPILES(
VMIME_HAS_CXX11_SHARED_PTR
)
IF(CXX11_COMPILER_FLAGS AND VMIME_HAS_CXX11_SHARED_PTR)
IF(NOT VMIME_SHARED_PTR_USE_CXX AND NOT VMIME_SHARED_PTR_USE_BOOST)
IF(CXX11_COMPILER_FLAGS AND VMIME_HAS_CXX11_SHARED_PTR)
# If std::shared_ptr<> is available, use it by default
SET(VMIME_SHARED_PTR_USE_CXX_DEFAULT ON)
SET(VMIME_SHARED_PTR_USE_BOOST_DEFAULT OFF)
ELSE()
# Else, set default to boost::shared_ptr<>
SET(VMIME_SHARED_PTR_USE_CXX_DEFAULT OFF)
SET(VMIME_SHARED_PTR_USE_BOOST_DEFAULT ON)
ENDIF()
ENDIF()
OPTION(
VMIME_SHARED_PTR_USE_CXX
"Use standard std::shared_ptr<> (requires a C++11 compiler)"
${VMIME_SHARED_PTR_USE_CXX_DEFAULT}
)
OPTION(
VMIME_SHARED_PTR_USE_BOOST
"Use boost::shared_ptr<> (requires Boost)"
${VMIME_SHARED_PTR_USE_BOOST_DEFAULT}
)
IF(VMIME_SHARED_PTR_USE_CXX AND VMIME_SHARED_PTR_USE_BOOST)
MESSAGE(FATAL_ERROR "Options VMIME_SHARED_PTR_USE_CXX and VMIME_SHARED_PTR_USE_BOOST are mutually exclusive (select one or the other, but not both!)")
ENDIF()
IF(VMIME_SHARED_PTR_USE_CXX)
SET(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${CXX11_COMPILER_FLAGS}")
@ -825,10 +859,7 @@ IF(CXX11_COMPILER_FLAGS AND VMIME_HAS_CXX11_SHARED_PTR)
MESSAGE(STATUS "Checking support for shared_ptr<>: built-in (C++11)")
SET(VMIME_SHARED_PTR_USE_CXX ON)
SET(VMIME_SHARED_PTR_USE_BOOST OFF)
ELSE()
ELSEIF(VMIME_SHARED_PTR_USE_BOOST)
# Depends on Boost library if C++11 is not supported
FIND_PACKAGE(Boost)
@ -841,8 +872,9 @@ ELSE()
MESSAGE(STATUS "Checking support for shared_ptr<>: boost library")
SET(VMIME_SHARED_PTR_USE_CXX OFF)
SET(VMIME_SHARED_PTR_USE_BOOST ON)
ELSE()
MESSAGE(FATAL_ERROR "No implementation for shared_ptr<> was selected/found")
ENDIF()