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cleanup: Use _Static_assert in gcc/clang.

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Hopefully they don't throw warnings at us.
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iphydf 2022-03-27 17:36:04 +00:00
parent bc006beb4e
commit 96ab8918dc
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2 changed files with 9 additions and 3 deletions
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5
.github/scripts/cmake-osx vendored
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@ -20,6 +20,11 @@ add_ld_flag -undefined error
# Make compilation error on a warning
add_flag -Werror
# Allow _Static_assert. Supported C11 extensions are fine, since we have several
# C99-only compilers we test against anyway. Anything that passes all the
# compilers we use is fine.
add_c_flag -Wno-c11-extensions
cmake -B_build -H. \
-DCMAKE_C_FLAGS="$C_FLAGS" \
-DCMAKE_CXX_FLAGS="$CXX_FLAGS" \

7
toxcore/ccompat.h
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@ -67,11 +67,12 @@
#if !defined(__cplusplus) || __cplusplus < 201103L
#define nullptr NULL
#ifndef static_assert
#ifdef __GNUC__
// We'll just assume gcc and clang support C11 _Static_assert.
#define static_assert _Static_assert
#else // !__GNUC__
#define STATIC_ASSERT_(cond, msg, line) typedef int static_assert_##line[(cond) ? 1 : -1]
#define STATIC_ASSERT(cond, msg, line) STATIC_ASSERT_(cond, msg, line)
#ifdef __GNUC__
#define static_assert(cond, msg) __attribute__((__unused__)) STATIC_ASSERT(cond, msg, __LINE__)
#else // !__GNUC__
#define static_assert(cond, msg) STATIC_ASSERT(cond, msg, __LINE__)
#endif // !__GNUC__
#endif // !static_assert