1:47.40 In file included from /build/firefox-esr52/src/firefox-52.9.0esr/ipc/chromium/src/third_party/libevent/evutil_rand.c:104,
 1:47.40                  from /build/firefox-esr52/src/firefox-52.9.0esr/obj-x86_64-pc-linux-gnu/ipc/chromium/src/third_party/Unified_c_src_third_party0.c:101:
 1:47.40 /build/firefox-esr52/src/firefox-52.9.0esr/ipc/chromium/src/third_party/libevent/./arc4random.c:481:1: error: static declaration of ‘arc4random_buf’ follows non-static declaration
 1:47.40   481 | arc4random_buf(void *_buf, size_t n)
 1:47.40       | ^~~~~~~~~~~~~~
 1:47.40 In file included from /build/firefox-esr52/src/firefox-52.9.0esr/obj-x86_64-pc-linux-gnu/dist/system_wrappers/stdlib.h:3,
 1:47.40                  from /build/firefox-esr52/src/firefox-52.9.0esr/ipc/chromium/src/third_party/libevent/buffer.c:69:
 1:47.40 /usr/include/stdlib.h:661:13: note: previous declaration of ‘arc4random_buf’ with type ‘void(void *, size_t)’ {aka ‘void(void *, long unsigned int)’}
 1:47.40   661 | extern void arc4random_buf (void *__buf, size_t __size)
 1:47.40       |             ^~~~~~~~~~~~~~