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authorBrad King <brad.king@kitware.com>2022-04-07 19:00:38 (GMT)
committerBrad King <brad.king@kitware.com>2022-04-07 19:07:48 (GMT)
commit9dd585d12c54f6d0768aea6526ea627f81f436ad (patch)
treeeec63dd00ceee7b4b32a33d74f1fbac438d7eef7
parente9236b6641d9279e353be8a08ffec3be6168c7df (diff)
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CheckCompilerFlag: Fix regression in locale environment preservation
Fix a typo from commit 660e0d80ae (internal/CheckCompilerFlag: rely on common configuration, 2022-01-12, v3.23.0-rc1~124^2~1) that caused locale environment variables to not be restored after they are set during the check.
-rw-r--r--Modules/Internal/CheckFlagCommonConfig.cmake4
-rw-r--r--Tests/RunCMake/CheckCompilerFlag/CheckCCompilerFlag.cmake9
-rw-r--r--Tests/RunCMake/CheckCompilerFlag/CheckCXXCompilerFlag.cmake9
3 files changed, 20 insertions, 2 deletions
diff --git a/Modules/Internal/CheckFlagCommonConfig.cmake b/Modules/Internal/CheckFlagCommonConfig.cmake
index 3934c02..c011c24 100644
--- a/Modules/Internal/CheckFlagCommonConfig.cmake
+++ b/Modules/Internal/CheckFlagCommonConfig.cmake
@@ -59,8 +59,8 @@ macro(CMAKE_CHECK_FLAG_COMMON_INIT _FUNC _LANG _SRC _PATTERNS)
return()
endif()
# Normalize locale during test compilation.
- set(_locale_vars LC_ALL LC_MESSAGES LANG)
- foreach(v IN LISTS _locale_vars)
+ set(_CFCC_locale_vars LC_ALL LC_MESSAGES LANG)
+ foreach(v IN LISTS _CFCC_locale_vars)
set(_CMAKE_CHECK_FLAG_COMMON_CONFIG_locale_vars_saved_${v} "$ENV{${v}}")
set(ENV{${v}} C)
endforeach()
diff --git a/Tests/RunCMake/CheckCompilerFlag/CheckCCompilerFlag.cmake b/Tests/RunCMake/CheckCompilerFlag/CheckCCompilerFlag.cmake
index 79d67e5..276158c 100644
--- a/Tests/RunCMake/CheckCompilerFlag/CheckCCompilerFlag.cmake
+++ b/Tests/RunCMake/CheckCompilerFlag/CheckCCompilerFlag.cmake
@@ -4,6 +4,10 @@ include(CheckCompilerFlag)
set(C 1) # test that this is tolerated
+# test that the check uses an isolated locale
+set(_env_LC_ALL "${LC_ALL}")
+set(ENV{LC_ALL} "BAD")
+
check_compiler_flag(C "-_this_is_not_a_flag_" SHOULD_FAIL)
if(SHOULD_FAIL)
message(SEND_ERROR "invalid C compile flag didn't fail.")
@@ -22,3 +26,8 @@ if(CMAKE_C_COMPILER_ID STREQUAL "GNU") # LCC C compiler silently ignore -frtti i
message(SEND_ERROR "${CMAKE_C_COMPILER_ID} compiler flag '-frtti' check passed but should have failed")
endif()
endif()
+
+if(NOT "$ENV{LC_ALL}" STREQUAL "BAD")
+ message(SEND_ERROR "ENV{LC_ALL} was not preserved by check_compiler_flag")
+endif()
+set(ENV{LC_ALL} ${_env_LC_ALL})
diff --git a/Tests/RunCMake/CheckCompilerFlag/CheckCXXCompilerFlag.cmake b/Tests/RunCMake/CheckCompilerFlag/CheckCXXCompilerFlag.cmake
index 4b20ebd..dec31ec 100644
--- a/Tests/RunCMake/CheckCompilerFlag/CheckCXXCompilerFlag.cmake
+++ b/Tests/RunCMake/CheckCompilerFlag/CheckCXXCompilerFlag.cmake
@@ -4,6 +4,10 @@ include(CheckCompilerFlag)
set(CXX 1) # test that this is tolerated
+# test that the check uses an isolated locale
+set(_env_LC_ALL "${LC_ALL}")
+set(ENV{LC_ALL} "BAD")
+
check_compiler_flag(CXX "-_this_is_not_a_flag_" SHOULD_FAIL)
if(SHOULD_FAIL)
message(SEND_ERROR "invalid CXX compile flag didn't fail.")
@@ -15,3 +19,8 @@ if(CMAKE_CXX_COMPILER_ID MATCHES "GNU|LCC|Clang" AND NOT "x${CMAKE_CXX_SIMULATE_
message(SEND_ERROR "${CMAKE_CXX_COMPILER_ID} compiler flag '-x c++' check failed")
endif()
endif()
+
+if(NOT "$ENV{LC_ALL}" STREQUAL "BAD")
+ message(SEND_ERROR "ENV{LC_ALL} was not preserved by check_compiler_flag")
+endif()
+set(ENV{LC_ALL} ${_env_LC_ALL})