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[MKISOFS] Fix Clang check for macOS platforms (#7037)

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* [MKISOFS] Fix Clang check for macOS platforms

On macOS, CMAKE_C_COMPILER_ID is "AppleClang". While certainly Clang,
this does not match the exact string "Clang" that is being checked for,
and as a result the warning flags guarded thereby are not passed to the
compiler. With this change CMake will recognize both Clang and AppleClang.

* Update sdk/tools/mkisofs/CMakeLists.txt
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William Kent 2024-10-19 15:15:31 -04:00 committed by GitHub
parent 90831e7451
commit d4719197b2
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sdk/tools/mkisofs/CMakeLists.txt
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@ -107,7 +107,8 @@ else()
# Silence compilers checking for invalid formatting sequences.
target_compile_options(libschily PRIVATE "-Wno-format")
if(CMAKE_C_COMPILER_ID STREQUAL "Clang" AND CMAKE_C_COMPILER_VERSION VERSION_GREATER_EQUAL "15")
# MATCHES must be used here because on macOS, CMake uses the compiler ID "AppleClang".
if(CMAKE_C_COMPILER_ID MATCHES "Clang$" AND CMAKE_C_COMPILER_VERSION VERSION_GREATER_EQUAL "15")
# mkisofs uses K&R-style function definitions to support very old compilers.
# This causes warnings with modern compilers.
target_compile_options(libmdigest PRIVATE "-Wno-deprecated-non-prototype")