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src/config/CMakeLists.txt
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| # daemon() is located in unistd.h on linux and in stdlib.h on BSDs and macOS. | # daemon() is located in unistd.h on linux and in stdlib.h on BSDs and macOS. | ||||
| check_symbol_exists(daemon "unistd.h;stdlib.h" HAVE_DECL_DAEMON) | check_symbol_exists(daemon "unistd.h;stdlib.h" HAVE_DECL_DAEMON) | ||||
| # Check for ways to obtain entropy | # Check for ways to obtain entropy | ||||
| check_symbol_exists(getentropy "unistd.h" HAVE_GETENTROPY) | check_symbol_exists(getentropy "unistd.h" HAVE_GETENTROPY) | ||||
| # macOS needs unistd.h and sys/random.h to define getentropy | # macOS needs unistd.h and sys/random.h to define getentropy | ||||
| check_symbol_exists(getentropy "unistd.h;sys/random.h" HAVE_GETENTROPY_RAND) | check_symbol_exists(getentropy "unistd.h;sys/random.h" HAVE_GETENTROPY_RAND) | ||||
| # OSX and BSDs measurement related headers | |||||
| check_include_files("sys/types.h;vm/vm_params.h" HAVE_VM_VM_PARAM_H) | |||||
| check_include_files("sys/types.h;sys/vmmeter.h" HAVE_SYS_VMMETER_H) | |||||
| check_include_files("sys/types.h;sys/resources.h" HAVE_SYS_RESOURCES_H) | |||||
| # Don't use sysctl on Linux, it's deprecated even when it works | |||||
| if(NOT ${CMAKE_SYSTEM_NAME} MATCHES "Linux") | |||||
| check_symbol_exists(sysctl "sys/types.h;sys/sysctl.h" HAVE_SYSCTL) | |||||
| endif() | |||||
| # getifaddrs and freeifaddrs may be unavailable with some Android versions | # getifaddrs and freeifaddrs may be unavailable with some Android versions | ||||
| check_symbol_exists(getifaddrs "sys/types.h;ifaddrs.h" HAVE_DECL_GETIFADDRS) | check_symbol_exists(getifaddrs "sys/types.h;ifaddrs.h" HAVE_DECL_GETIFADDRS) | ||||
| check_symbol_exists(freeifaddrs "sys/types.h;ifaddrs.h" HAVE_DECL_FREEIFADDRS) | check_symbol_exists(freeifaddrs "sys/types.h;ifaddrs.h" HAVE_DECL_FREEIFADDRS) | ||||
| check_cxx_source_compiles(" | check_cxx_source_compiles(" | ||||
| #include <unistd.h> /* for syscall */ | #include <unistd.h> /* for syscall */ | ||||
| #include <sys/syscall.h> /* for SYS_getrandom */ | #include <sys/syscall.h> /* for SYS_getrandom */ | ||||
| #include <linux/random.h> | #include <linux/random.h> | ||||
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