Not all Linuxes are equal, and secure_getenv isn't always there.

Let's include <features.h> to figure out if the system we're on is supporting secure_getenv, and adapt accordingly.
I suspect we might want to do the same with epoll, as it was added to glibc in 2.3.2, and eventfd has been added to glibc in 2.8.
pull/500/head
Nicolas Noble 10 years ago committed by Nicolas "Pixel" Noble
parent 6be5e587bd
commit d3ae976ac0
  1. 8
      include/grpc/support/port_platform.h

@ -70,6 +70,7 @@
#define GPR_POSIX_TIME 1
#define GPR_GETPID_IN_UNISTD_H 1
#elif defined(__linux__)
#include <features.h>
#define GPR_CPU_LINUX 1
#define GPR_GCC_ATOMIC 1
#define GPR_LINUX 1
@ -78,7 +79,14 @@
#define GPR_LINUX_EVENTFD 1
#define GPR_POSIX_SOCKET 1
#define GPR_POSIX_SOCKETADDR 1
#ifdef __GLIBC_PREREQ
#if __GLIBC_PREREQ(2, 17)
#define GPR_LINUX_ENV 1
#endif
#endif
#ifndef GPR_LINUX_ENV
#define GPR_POSIX_ENV 1
#endif
#define GPR_POSIX_FILE 1
#define GPR_POSIX_STRING 1
#define GPR_POSIX_SYNC 1

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