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fix miscompilation with clang

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Konstantinos Margaritis 2021-12-01 23:18:57 +02:00
parent 6f20276b2f
commit 404a0ab0f4
1 changed files with 6 additions and 1 deletions
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7
cmake/platform.cmake
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@ -1,3 +1,8 @@
# determine compiler
if (CMAKE_CXX_COMPILER_ID MATCHES "Clang")
set(CMAKE_COMPILER_IS_CLANG TRUE)
endif()
# determine the target arch
if (CROSS_COMPILE_AARCH64)
@ -10,7 +15,7 @@ else()
CHECK_C_SOURCE_COMPILES("#if !(defined(__i386__) || defined(_M_IX86))\n#error not 32bit\n#endif\nint main(void) { return 0; }" ARCH_IA32)
CHECK_C_SOURCE_COMPILES("#if !defined(__ARM_ARCH_ISA_A64)\n#error not 64bit\n#endif\nint main(void) { return 0; }" ARCH_AARCH64)
CHECK_C_SOURCE_COMPILES("#if !defined(__ARM_ARCH_ISA_ARM)\n#error not 32bit\n#endif\nint main(void) { return 0; }" ARCH_ARM32)
CHECK_C_SOURCE_COMPILES("#if !defined(__PPC64__) && !defined(__LITTLE_ENDIAN__) && !defined(__VSX__)\n#error not ppc64el\n#endif\nint main(void) { return 0; }" ARCH_PPC64EL)
CHECK_C_SOURCE_COMPILES("#if !defined(__PPC64__) && !(defined(__LITTLE_ENDIAN__) && defined(__VSX__))\n#error not ppc64el\n#endif\nint main(void) { return 0; }" ARCH_PPC64EL)
if (ARCH_X86_64 OR ARCH_AARCH64 OR ARCH_PPC64EL)
set(ARCH_64_BIT TRUE)
else()