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Member "abseil-cpp-20230802.1/absl/copts/AbseilConfigureCopts.cmake" (18 Sep 2023, 4322 Bytes) of package /linux/misc/abseil-cpp-20230802.1.tar.gz:
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Fossies "Diffs" side-by-side code changes report for "AbseilConfigureCopts.cmake":
20230125.3_vs_20230802.0.
1 # See absl/copts/copts.py and absl/copts/generate_copts.py
2 include(GENERATED_AbseilCopts)
3
4 set(ABSL_DEFAULT_LINKOPTS "")
5
6 if (BUILD_SHARED_LIBS AND MSVC)
7 set(ABSL_BUILD_DLL TRUE)
8 set(CMAKE_WINDOWS_EXPORT_ALL_SYMBOLS ON)
9 else()
10 set(ABSL_BUILD_DLL FALSE)
11 endif()
12
13 if(APPLE AND CMAKE_CXX_COMPILER_ID MATCHES [[Clang]])
14 # Some CMake targets (not known at the moment of processing) could be set to
15 # compile for multiple architectures as specified by the OSX_ARCHITECTURES
16 # property, which is target-specific. We should neither inspect nor rely on
17 # any CMake property or variable to detect an architecture, in particular:
18 #
19 # - CMAKE_OSX_ARCHITECTURES
20 # is just an initial value for OSX_ARCHITECTURES; set too early.
21 #
22 # - OSX_ARCHITECTURES
23 # is a per-target property; targets could be defined later, and their
24 # properties could be modified any time later.
25 #
26 # - CMAKE_SYSTEM_PROCESSOR
27 # does not reflect multiple architectures at all.
28 #
29 # When compiling for multiple architectures, a build system can invoke a
30 # compiler either
31 #
32 # - once: a single command line for multiple architectures (Ninja build)
33 # - twice: two command lines per each architecture (Xcode build system)
34 #
35 # If case of Xcode, it would be possible to set an Xcode-specific attributes
36 # like XCODE_ATTRIBUTE_OTHER_CPLUSPLUSFLAGS[arch=arm64] or similar.
37 #
38 # In both cases, the viable strategy is to pass all arguments at once, allowing
39 # the compiler to dispatch arch-specific arguments to a designated backend.
40 set(ABSL_RANDOM_RANDEN_COPTS "")
41 foreach(_arch IN ITEMS "x86_64" "arm64")
42 string(TOUPPER "${_arch}" _arch_uppercase)
43 string(REPLACE "X86_64" "X64" _arch_uppercase ${_arch_uppercase})
44 foreach(_flag IN LISTS ABSL_RANDOM_HWAES_${_arch_uppercase}_FLAGS)
45 list(APPEND ABSL_RANDOM_RANDEN_COPTS "-Xarch_${_arch}" "${_flag}")
46 endforeach()
47 endforeach()
48 # If a compiler happens to deal with an argument for a currently unused
49 # architecture, it will warn about an unused command line argument.
50 option(ABSL_RANDOM_RANDEN_COPTS_WARNING OFF
51 "Warn if one of ABSL_RANDOM_RANDEN_COPTS is unused")
52 if(ABSL_RANDOM_RANDEN_COPTS AND NOT ABSL_RANDOM_RANDEN_COPTS_WARNING)
53 list(APPEND ABSL_RANDOM_RANDEN_COPTS "-Wno-unused-command-line-argument")
54 endif()
55 elseif(CMAKE_SYSTEM_PROCESSOR MATCHES "x86_64|amd64|AMD64")
56 if (MSVC)
57 set(ABSL_RANDOM_RANDEN_COPTS "${ABSL_RANDOM_HWAES_MSVC_X64_FLAGS}")
58 else()
59 set(ABSL_RANDOM_RANDEN_COPTS "${ABSL_RANDOM_HWAES_X64_FLAGS}")
60 endif()
61 elseif(CMAKE_SYSTEM_PROCESSOR MATCHES "arm.*|aarch64")
62 if (CMAKE_SIZEOF_VOID_P STREQUAL "8")
63 set(ABSL_RANDOM_RANDEN_COPTS "${ABSL_RANDOM_HWAES_ARM64_FLAGS}")
64 elseif(CMAKE_SIZEOF_VOID_P STREQUAL "4")
65 set(ABSL_RANDOM_RANDEN_COPTS "${ABSL_RANDOM_HWAES_ARM32_FLAGS}")
66 else()
67 message(WARNING "Value of CMAKE_SIZEOF_VOID_P (${CMAKE_SIZEOF_VOID_P}) is not supported.")
68 endif()
69 else()
70 set(ABSL_RANDOM_RANDEN_COPTS "")
71 endif()
72
73
74 if(CMAKE_CXX_COMPILER_ID STREQUAL "GNU")
75 set(ABSL_DEFAULT_COPTS "${ABSL_GCC_FLAGS}")
76 set(ABSL_TEST_COPTS "${ABSL_GCC_TEST_FLAGS}")
77 elseif(CMAKE_CXX_COMPILER_ID MATCHES "Clang") # MATCHES so we get both Clang and AppleClang
78 if(MSVC)
79 # clang-cl is half MSVC, half LLVM
80 set(ABSL_DEFAULT_COPTS "${ABSL_CLANG_CL_FLAGS}")
81 set(ABSL_TEST_COPTS "${ABSL_CLANG_CL_TEST_FLAGS}")
82 else()
83 set(ABSL_DEFAULT_COPTS "${ABSL_LLVM_FLAGS}")
84 set(ABSL_TEST_COPTS "${ABSL_LLVM_TEST_FLAGS}")
85 endif()
86 elseif(CMAKE_CXX_COMPILER_ID STREQUAL "IntelLLVM")
87 # IntelLLVM is similar to Clang, with some additional flags.
88 if(MSVC)
89 # clang-cl is half MSVC, half LLVM
90 set(ABSL_DEFAULT_COPTS "${ABSL_CLANG_CL_FLAGS}")
91 set(ABSL_TEST_COPTS "${ABSL_CLANG_CL_TEST_FLAGS}")
92 else()
93 set(ABSL_DEFAULT_COPTS "${ABSL_LLVM_FLAGS}")
94 set(ABSL_TEST_COPTS "${ABSL_LLVM_TEST_FLAGS}")
95 endif()
96 elseif(CMAKE_CXX_COMPILER_ID STREQUAL "MSVC")
97 set(ABSL_DEFAULT_COPTS "${ABSL_MSVC_FLAGS}")
98 set(ABSL_TEST_COPTS "${ABSL_MSVC_TEST_FLAGS}")
99 set(ABSL_DEFAULT_LINKOPTS "${ABSL_MSVC_LINKOPTS}")
100 else()
101 message(WARNING "Unknown compiler: ${CMAKE_CXX_COMPILER}. Building with no default flags")
102 set(ABSL_DEFAULT_COPTS "")
103 set(ABSL_TEST_COPTS "")
104 endif()
105
106 set(ABSL_CXX_STANDARD "${CMAKE_CXX_STANDARD}")