diff options
Diffstat (limited to 'cmake/project-config-version.cmake.in')
| -rw-r--r-- | cmake/project-config-version.cmake.in | 20 |
1 files changed, 17 insertions, 3 deletions
diff --git a/cmake/project-config-version.cmake.in b/cmake/project-config-version.cmake.in index 7dc90ddc..b49504d4 100644 --- a/cmake/project-config-version.cmake.in +++ b/cmake/project-config-version.cmake.in @@ -11,6 +11,16 @@ else () set (CMAKE_CROSSCOMPILING_STR "OFF") endif () +if (MSVC) + # For checking the compatibility of MSVC_TOOLSET_VERSION; see + # https://docs.microsoft.com/en-us/cpp/porting/overview-of-potential-upgrade-issues-visual-cpp + # Assume major version number is obtained by dropping the last decimal + # digit. LIBR, resp. PROJ, refer to @PROJECT_NAME@, resp. the package + # trying to find and link against @PROJECT_NAME@. + math (EXPR _MSVC_PROJ_MAJOR "${MSVC_TOOLSET_VERSION}/10") + math (EXPR _MSVC_LIBR_MAJOR "@MSVC_TOOLSET_VERSION@/10") +endif () + if (NOT PACKAGE_FIND_NAME STREQUAL "@PROJECT_NAME@") # Check package name (in particular, because of the way cmake finds # package config files, the capitalization could easily be "wrong"). @@ -24,9 +34,13 @@ elseif (NOT (APPLE OR (NOT DEFINED CMAKE_SIZEOF_VOID_P) OR # since a multi-architecture library is built for that platform). set (REASON "sizeof(*void) = @CMAKE_SIZEOF_VOID_P@") set (PACKAGE_VERSION_UNSUITABLE TRUE) -elseif (MSVC AND NOT MSVC_VERSION STREQUAL "@MSVC_VERSION@") +elseif (MSVC AND NOT ( + # toolset version must be at least as great as @PROJECT_NAME@'s + ${MSVC_TOOLSET_VERSION} GREATER_EQUAL @MSVC_TOOLSET_VERSION@ + # and major versions must match + AND _MSVC_PROJ_MAJOR EQUAL _MSVC_LIBR_MAJOR )) # Reject if there's a mismatch in MSVC compiler versions - set (REASON "_MSC_VER = @MSVC_VERSION@") + set (REASON "MSVC_TOOLSET_VERSION = @MSVC_TOOLSET_VERSION@") set (PACKAGE_VERSION_UNSUITABLE TRUE) elseif (NOT CMAKE_CROSSCOMPILING_STR STREQUAL "@CMAKE_CROSSCOMPILING_STR@") # Reject if there's a mismatch in ${CMAKE_CROSSCOMPILING} @@ -53,4 +67,4 @@ if (PACKAGE_VERSION_UNSUITABLE) set (PACKAGE_VERSION "${PACKAGE_VERSION} (${REASON})") endif () -unset(CMAKE_CROSSCOMPILING_STR)
\ No newline at end of file +unset(CMAKE_CROSSCOMPILING_STR) |