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authorBrad King <brad.king@kitware.com>2012-02-08 15:48:34 (GMT)
committerBrad King <brad.king@kitware.com>2012-02-08 15:48:34 (GMT)
commit5db99e8708c7d329620186e4cfb6e059f400dfcc (patch)
tree033ea7ef29feb3b8f59abc3607375765f437b4c6 /Tests/CMakeOnly
parent7dcfd9aaf621672b3006fd5b084a17409d4435b2 (diff)
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Add CheckLanguage module
Define a "check_language(<lang>)" macro to test whether <lang> can be enabled. Cache the result in CMAKE_<lang>_COMPILER. Add a test case covering expected results.
Diffstat (limited to 'Tests/CMakeOnly')
-rw-r--r--Tests/CMakeOnly/CMakeLists.txt2
-rw-r--r--Tests/CMakeOnly/CheckLanguage/CMakeLists.txt22
2 files changed, 24 insertions, 0 deletions
diff --git a/Tests/CMakeOnly/CMakeLists.txt b/Tests/CMakeOnly/CMakeLists.txt
index 33c426a..4407efb 100644
--- a/Tests/CMakeOnly/CMakeLists.txt
+++ b/Tests/CMakeOnly/CMakeLists.txt
@@ -17,6 +17,8 @@ add_CMakeOnly_test(CheckCXXSymbolExists)
add_CMakeOnly_test(CheckCXXCompilerFlag)
+add_CMakeOnly_test(CheckLanguage)
+
add_CMakeOnly_test(AllFindModules)
add_CMakeOnly_test(TargetScope)
diff --git a/Tests/CMakeOnly/CheckLanguage/CMakeLists.txt b/Tests/CMakeOnly/CheckLanguage/CMakeLists.txt
new file mode 100644
index 0000000..f5336dc
--- /dev/null
+++ b/Tests/CMakeOnly/CheckLanguage/CMakeLists.txt
@@ -0,0 +1,22 @@
+cmake_minimum_required (VERSION 2.8)
+project(CheckLanguage NONE)
+include(CheckLanguage)
+
+set(langs )
+set(expect_C 1)
+set(expect_CXX 1)
+unset(expect_Fortran)
+set(expect_NoSuchLanguage 0)
+foreach(lang C CXX Fortran NoSuchLanguage)
+ check_language(${lang})
+ if(NOT DEFINED CMAKE_${lang}_COMPILER)
+ message(FATAL_ERROR "check_language(${lang}) did not set result")
+ endif()
+ if(DEFINED expect_${lang})
+ if(expect_${lang} AND NOT CMAKE_${lang}_COMPILER)
+ message(FATAL_ERROR "check_language(${lang}) should not fail!")
+ elseif(NOT expect_${lang} AND CMAKE_${lang}_COMPILER)
+ message(FATAL_ERROR "check_language(${lang}) should not succeed!")
+ endif()
+ endif()
+endforeach()