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WIP: Refactor CMake build system to more modular

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This commit is contained in:
Konstantinos Margaritis
2023-10-08 23:26:07 +03:00
parent f4e91b8226
commit 7dbcab34c2
11 changed files with 625 additions and 759 deletions
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28
cmake/platform.cmake
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@@ -1,24 +1,12 @@
# determine compiler
if (CMAKE_CXX_COMPILER_ID MATCHES "Clang")
set(CMAKE_COMPILER_IS_CLANG TRUE)
endif()
# determine the target arch
if (CROSS_COMPILE_AARCH64)
set(ARCH_AARCH64 TRUE)
# really only interested in the preprocessor here
CHECK_C_SOURCE_COMPILES("#if !(defined(__x86_64__) || defined(_M_X64))\n#error not 64bit\n#endif\nint main(void) { return 0; }" ARCH_X86_64)
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)
if (ARCH_X86_64 OR ARCH_AARCH64 OR ARCH_PPC64EL)
set(ARCH_64_BIT TRUE)
message(STATUS "Cross compiling for aarch64")
else()
# really only interested in the preprocessor here
CHECK_C_SOURCE_COMPILES("#if !(defined(__x86_64__) || defined(_M_X64))\n#error not 64bit\n#endif\nint main(void) { return 0; }" ARCH_X86_64)
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)
if (ARCH_X86_64 OR ARCH_AARCH64 OR ARCH_PPC64EL)
set(ARCH_64_BIT TRUE)
else()
set(ARCH_32_BIT TRUE)
endif()
set(ARCH_32_BIT TRUE)
endif()