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cmake: Removed CMake flags for controlling C standard

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- `CMAKE_C_EXTENSIONS`: Enable/disable compiler-specific extensions
- `CMAKE_C_STANDARD`: Set C standard (C99, C11)
- These variables (as set in mbedtls) set the C standard to C99
  for ESP-IDF as well, resulting in build errors related to
  `asm volatile`

(cherry picked from commit e39975969d548572a39875ad29abd88b23285f94)
This commit is contained in:
Laukik Hase 2022-07-15 17:42:05 +05:30 committed by Mahavir Jain
parent e66a281b9d
commit 76bf7e3c0c
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1 changed files with 0 additions and 2 deletions
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CMakeLists.txt
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@ -170,8 +170,6 @@ string(REGEX MATCH "Clang" CMAKE_COMPILER_IS_CLANG "${CMAKE_C_COMPILER_ID}")
include(CheckCCompilerFlag)
set(CMAKE_C_EXTENSIONS OFF)
set(CMAKE_C_STANDARD 99)
if(CMAKE_COMPILER_IS_GNU)
# some warnings we want are not available with old GCC versions