diff options
Diffstat (limited to 'cmake/OpusFunctions.cmake')
| -rw-r--r-- | cmake/OpusFunctions.cmake | 30 |
1 files changed, 22 insertions, 8 deletions
diff --git a/cmake/OpusFunctions.cmake b/cmake/OpusFunctions.cmake index fcf3351f..3f22ad81 100644 --- a/cmake/OpusFunctions.cmake +++ b/cmake/OpusFunctions.cmake @@ -142,14 +142,28 @@ function(opus_detect_neon COMPILER_SUPPORT_NEON) endfunction() function(opus_supports_cpu_detection RUNTIME_CPU_CAPABILITY_DETECTION) - if(MSVC) - check_include_file(intrin.h HAVE_INTRIN_H) - else() - check_include_file(cpuid.h HAVE_CPUID_H) - endif() - if(HAVE_INTRIN_H OR HAVE_CPUID_H) - set(RUNTIME_CPU_CAPABILITY_DETECTION 1 PARENT_SCOPE) - elseif(CMAKE_SYSTEM_PROCESSOR MATCHES "(arm|aarch64)") + set(RUNTIME_CPU_CAPABILITY_DETECTION 0 PARENT_SCOPE) + if(OPUS_CPU_X86 OR OPUS_CPU_X64) + if(MSVC) + check_include_file(intrin.h HAVE_INTRIN_H) + if(HAVE_INTRIN_H) + # if intrin.h is available we assume __cpuid is there + set(RUNTIME_CPU_CAPABILITY_DETECTION 1 PARENT_SCOPE) + endif() + else() + include(CFeatureCheck) + c_feature_check(CPU_INFO_BY_ASM) + set(CPU_INFO_BY_ASM_SUPPORTED ${CPU_INFO_BY_ASM_SUPPORTED} PARENT_SCOPE) + check_include_file(cpuid.h HAVE_CPUID_H) + if(HAVE_CPUID_H) + c_feature_check(CPU_INFO_BY_C) + set(CPU_INFO_BY_C_SUPPORTED ${CPU_INFO_BY_C_SUPPORTED} PARENT_SCOPE) + endif() + if(CPU_INFO_BY_ASM_SUPPORTED OR CPU_INFO_BY_C_SUPPORTED) + set(RUNTIME_CPU_CAPABILITY_DETECTION 1 PARENT_SCOPE) + endif() + endif() + elseif(OPUS_CPU_ARM) # ARM cpu detection is implemented for Windows and anything # using a Linux kernel (such as Android). if (CMAKE_SYSTEM_NAME MATCHES "(Windows|Linux|Android)") |