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build: check for sys/prctl.h in the proper way

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Use AC_CHECK_HEADERS to check for the header, and include it only
if detected and the subsequent HAVE_SYS_PRCTL_H is set.
This commit is contained in:
Wladimir J. van der Laan
2014-08-12 13:03:56 +02:00
parent 76c49c4138
commit 4c61ba40b9
2 changed files with 9 additions and 2 deletions
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2
configure.ac
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@@ -378,7 +378,7 @@ if test x$TARGET_OS = xdarwin; then
AX_CHECK_LINK_FLAG([[-Wl,-dead_strip]], [LDFLAGS="$LDFLAGS -Wl,-dead_strip"])
fi
AC_CHECK_HEADERS([endian.h stdio.h stdlib.h unistd.h strings.h sys/types.h sys/stat.h sys/select.h])
AC_CHECK_HEADERS([endian.h stdio.h stdlib.h unistd.h strings.h sys/types.h sys/stat.h sys/select.h sys/prctl.h])
AC_SEARCH_LIBS([getaddrinfo_a], [anl], [AC_DEFINE(HAVE_GETADDRINFO_A, 1, [Define this symbol if you have getaddrinfo_a])])
AC_SEARCH_LIBS([inet_pton], [nsl resolv], [AC_DEFINE(HAVE_INET_PTON, 1, [Define this symbol if you have inet_pton])])