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fix(mbedtls): fixes build failure with clang21

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Closes https://github.com/espressif/esp-idf/issues/18456
This commit is contained in:
Ashish Sharma
2026-06-05 15:01:56 +08:00
parent 52595a136f
commit 8ad759efb7
1 changed files with 8 additions and 0 deletions
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8
components/mbedtls/CMakeLists.txt
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@@ -149,6 +149,14 @@ endif()
# clang produces an unreachable-code warning.
if(CMAKE_C_COMPILER_ID MATCHES "Clang")
target_compile_options(mbedcrypto PRIVATE "-Wno-unreachable-code")
# While building mbedtls/library/x509_crt.c, clang 21 produces an
# uninitialized-const-pointer warning. The warning flag only exists in
# newer clang versions, so probe for it before use.
include(CheckCCompilerFlag)
check_c_compiler_flag("-Wuninitialized-const-pointer" C_COMPILER_HAS_UNINIT_CONST_PTR_WARNING)
if(C_COMPILER_HAS_UNINIT_CONST_PTR_WARNING)
target_compile_options(mbedx509 PRIVATE "-Wno-uninitialized-const-pointer")
endif()
endif()
# net_sockets.c should only be compiled if BSD socket functions are available.