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Merge pull request #4309 from dgloe-hpe/3313-fork-detection

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Problem: Fix fork detection on gcc 7
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Luca Boccassi 2021-11-23 19:17:26 +00:00 committed by GitHub
commit 5a9c174dab
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2 changed files with 20 additions and 5 deletions
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6
RELICENSE/hewlett_packard_enterprise.md
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@ -5,9 +5,11 @@ that grants permission to relicense its copyrights in the libzmq C++
library (ZeroMQ) under the Mozilla Public License v2 (MPLv2).
A portion of the commits made by the Github handle "brc859844", with
commit author "Brett Cameron <Brett.Cameron@hp.com>", are copyright of Hewlett Packard Enterprise.
commit author "Brett Cameron <Brett.Cameron@hp.com>", and the commits made
by the Github handle "dgloe-hpe", with commit author
"David Gloe <david.gloe@hpe.com>", are copyright of Hewlett Packard Enterprise.
This document hereby grants the libzmq project team to relicense libzmq,
including all past, present and future contributions of the author listed above.
including all past, present and future contributions of the authors listed above.
Hewlett Packard Enterprise
2019/03/12

19
configure.ac
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@ -795,9 +795,24 @@ AC_LANG_POP([C++])
# Checks for library functions.
AC_TYPE_SIGNAL
AC_CHECK_FUNCS(perror gettimeofday clock_gettime memset socket getifaddrs freeifaddrs fork mkdtemp accept4)
AC_CHECK_FUNCS(perror gettimeofday clock_gettime memset socket getifaddrs freeifaddrs mkdtemp accept4)
AC_CHECK_HEADERS([alloca.h])
# AC_CHECK_FUNCS(fork) fails on gcc 7
AC_MSG_CHECKING([whether fork is available])
AC_COMPILE_IFELSE(
[AC_LANG_PROGRAM(
[[#include <unistd.h>]],
[[return fork();]])
],[
AC_MSG_RESULT([yes])
AC_DEFINE(HAVE_FORK, [1], [fork is available])
AM_CONDITIONAL(HAVE_FORK, true)
],[
AC_MSG_RESULT([no])
AM_CONDITIONAL(HAVE_FORK, false)
])
# string.h doesn't seem to be included by default in Fedora 30
AC_MSG_CHECKING([whether strnlen is available])
AC_COMPILE_IFELSE(
@ -995,8 +1010,6 @@ LIBZMQ_CHECK_GETRANDOM([
[Whether getrandom is supported.])
])
AM_CONDITIONAL(HAVE_FORK, test "x$ac_cv_func_fork" = "xyes")
if test "x$cross_compiling" = "xyes"; then
# Enable draft by default when cross-compiling
defaultval=yes