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CMakeDetermineCompilerABI: Avoid removing the flag after -Werror

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The matching became too eager after commit 079ea66468
(CMakeDetermineCompilerABI: Handle NVCC-style -Werror flags, 2020-10-04,
v3.19.0-rc1~45^2). When -Werror was specified without a value we would
eat the following flag. Prevent this by disallowing "-" as the first
character of the flag's value.

Fixes: 079ea66468
See-also: https://discourse.cmake.org/t/8230
This commit is contained in:
Raul Tambre
2023-05-29 17:18:55 +03:00
committed by Brad King
parent b50caaf96a
commit cec6f98018
1 changed files with 1 additions and 1 deletions
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2
Modules/CMakeDetermineCompilerABI.cmake
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@@ -42,7 +42,7 @@ function(CMAKE_DETERMINE_COMPILER_ABI lang src)
__TestCompiler_setTryCompileTargetType()
# Avoid failing ABI detection on warnings.
string(REGEX REPLACE "(^| )-Werror([= ][^ ]*)?( |$)" " " CMAKE_${lang}_FLAGS "${CMAKE_${lang}_FLAGS}")
string(REGEX REPLACE "(^| )-Werror([= ][^-][^ ]*)?( |$)" " " CMAKE_${lang}_FLAGS "${CMAKE_${lang}_FLAGS}")
# Save the current LC_ALL, LC_MESSAGES, and LANG environment variables
# and set them to "C" that way GCC's "search starts here" text is in