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Merge topic 'CheckCompilerFlag-gcc-10'

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d66858c8e4 CheckCompilerFlag: Update the regex used to detect invalid options for GCC 10

Acked-by: Kitware Robot <kwrobot@kitware.com>
Merge-request: !5331
This commit is contained in:
Brad King
2020-10-07 11:12:24 +00:00
committed by Kitware Robot
parent 7f1a36deea d66858c8e4
commit 026beeb620
2 changed files with 12 additions and 5 deletions
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10
Modules/CheckCompilerFlag.cmake
View File

@@ -45,20 +45,20 @@ function(CHECK_COMPILER_FLAG _lang _flag _var)
if(_lang STREQUAL C)
set(_lang_src "int main(void) { return 0; }")
set(_lang_fail_regex FAIL_REGEX "command line option .* is valid for .* but not for C")
set(_lang_fail_regex FAIL_REGEX "command[ -]line option .* is valid for .* but not for C")
elseif(_lang STREQUAL CXX)
set(_lang_src "int main() { return 0; }")
set(_lang_fail_regex FAIL_REGEX "command line option .* is valid for .* but not for C\\+\\+")
set(_lang_fail_regex FAIL_REGEX "command[ -]line option .* is valid for .* but not for C\\+\\+")
elseif(_lang STREQUAL Fortran)
set(_lang_src " program test\n stop\n end program")
set(_lang_fail_regex FAIL_REGEX "command line option .* is valid for .* but not for Fortran")
set(_lang_fail_regex FAIL_REGEX "command[ -]line option .* is valid for .* but not for Fortran")
elseif(_lang STREQUAL OBJC)
set(_lang_src [=[
#ifndef __OBJC__
# error "Not an Objective-C compiler"
#endif
int main(void) { return 0; }]=])
set(_lang_fail_regex FAIL_REGEX "command line option .* is valid for .* but not for Objective-C" # GNU
set(_lang_fail_regex FAIL_REGEX "command[ -]line option .* is valid for .* but not for Objective-C" # GNU
FAIL_REGEX "argument unused during compilation: .*") # Clang
elseif(_lang STREQUAL OBJCXX)
set(_lang_src [=[
@@ -66,7 +66,7 @@ int main(void) { return 0; }]=])
# error "Not an Objective-C++ compiler"
#endif
int main(void) { return 0; }]=])
set(_lang_fail_regex FAIL_REGEX "command line option .* is valid for .* but not for Objective-C\\+\\+" # GNU
set(_lang_fail_regex FAIL_REGEX "command[ -]line option .* is valid for .* but not for Objective-C\\+\\+" # GNU
FAIL_REGEX "argument unused during compilation: .*") # Clang
else()
message (SEND_ERROR "check_compiler_flag: ${_lang}: unknown language.")

7
Tests/RunCMake/CheckCompilerFlag/CheckCCompilerFlag.cmake
View File

@@ -13,3 +13,10 @@ if(CMAKE_C_COMPILER_ID MATCHES "GNU|Clang" AND NOT "x${CMAKE_C_SIMULATE_ID}" STR
message(SEND_ERROR "${CMAKE_C_COMPILER_ID} compiler flag '-x c' check failed")
endif()
endif()
if(CMAKE_C_COMPILER_ID STREQUAL "GNU")
check_compiler_flag(C "-frtti" SHOULD_FAIL_RTTI)
if(SHOULD_FAIL_RTTI)
message(SEND_ERROR "${CMAKE_C_COMPILER_ID} compiler flag '-frtti' check passed but should have failed")
endif()
endif()