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WCDH: Issue a better message for version compatibility.

This commit is contained in:
Stephen Kelly 2014-06-05 12:34:16 +02:00
parent 2336ec5140
commit 567af1a596
2 changed files with 12 additions and 3 deletions
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9
Modules/WriteCompilerDetectionHeader.cmake
View File

@ -197,8 +197,13 @@ function(write_compiler_detection_header
if(NOT _WCD_VERSION)
set(_WCD_VERSION ${CMAKE_MINIMUM_REQUIRED_VERSION})
endif()
if (_WCD_VERSION VERSION_LESS 3.1.0) # Version which introduced this function
message(FATAL_ERROR "VERSION parameter too low.")
set(_min_version 3.1.0) # Version which introduced this function
if (_WCD_VERSION VERSION_LESS _min_version)
set(err "VERSION compatibility for write_compiler_detection_header is set to ${_WCD_VERSION}, which is too low.")
set(err "${err} It must be set to at least ${_min_version}. ")
set(err "${err} Either set the VERSION parameter to the write_compiler_detection_header function, or update")
set(err "${err} your minimum required CMake version with the cmake_minimum_required command.")
message(FATAL_ERROR "${err}")
endif()
set(compilers

6
Tests/RunCMake/WriteCompilerDetectionHeader/OldVersion-stderr.txt
View File

@ -1,5 +1,9 @@
CMake Error at .*Modules/WriteCompilerDetectionHeader.cmake:[0-9]+ \(message\):
VERSION parameter too low.
VERSION compatibility for write_compiler_detection_header is set to 3.0,
which is too low. It must be set to at least 3.1.0. Either set the
VERSION parameter to the write_compiler_detection_header function, or
update your minimum required CMake version with the cmake_minimum_required
command.
Call Stack \(most recent call first\):
OldVersion.cmake:4 \(write_compiler_detection_header\)
CMakeLists.txt:3 \(include\)