1#
2# Rump kernel POSIX hypervisor autoconf support.
3#
4# NOTE!  regen by doing the following
5#   1) autoreconf -iv
6#   2) edit rumpuser_port.h (search for RUMPUSER_CONFIG for instructions)
7#   3) rm -rf autom4te.cache
8#   4) commit to NetBSD, pullup to https://github.com/rumpkernel/
9#
10
11AC_PREREQ([2.66])
12AC_INIT([rumpuser-posix], [999], [https://github.com/rumpkernel/])
13
14AC_CONFIG_HEADERS([rumpuser_config.h])
15AC_CONFIG_AUX_DIR([build-aux])
16AC_CONFIG_MACRO_DIR([build-aux])
17
18AC_LANG([C])
19
20AC_SYS_LARGEFILE
21
22AC_CHECK_HEADERS([sys/param.h sys/sysctl.h sys/disk.h \
23	sys/disklabel.h sys/dkio.h sys/atomic.h paths.h])
24
25AC_CANONICAL_TARGET
26
27AC_CHECK_TYPES([clockid_t, register_t])
28
29AC_CHECK_FUNCS([kqueue chflags strsuftoll setprogname getprogname	\
30	getenv_r posix_memalign memalign aligned_alloc	\
31	arc4random_buf getsubopt fsync_range __quotactl utimensat])
32
33AC_TRY_LINK_FUNC([clock_nanosleep],,
34        AC_CHECK_LIB([rt], [clock_nanosleep])
35)
36AC_CHECK_LIB([rt], [clock_gettime],
37	AC_DEFINE([HAVE_CLOCK_GETTIME], 1, [clock_gettime]),
38	AC_TRY_LINK_FUNC([clock_gettime],
39	    AC_DEFINE([HAVE_CLOCK_GETTIME], 1, [clock_gettime])))
40AC_CHECK_LIB([rt], [clock_nanosleep],
41	AC_DEFINE([HAVE_CLOCK_NANOSLEEP], 1, [clock_nanosleep]),
42	AC_TRY_LINK_FUNC([clock_nanosleep],
43	    AC_DEFINE([HAVE_CLOCK_NANOSLEEP], 1, [clock_nanosleep])))
44AC_CHECK_LIB([dl], [dlinfo],
45	AC_DEFINE([HAVE_DLINFO], 1, [dlinfo]),
46	AC_TRY_LINK_FUNC([dlinfo], AC_DEFINE([HAVE_DLINFO], 1, [dlinfo])))
47
48AC_CHECK_MEMBERS([struct sockaddr_in.sin_len],,,[#include <netinet/in.h>])
49
50dnl
51dnl pthread_setname() sillyness is a bit longer; we need the signature
52dnl
53SAVE_CFLAGS="${CFLAGS}"
54CFLAGS="${SAVE_CFLAGS} -Werror"
55
56dnl check sys/cdefs.h creatively to process only with cc, not cpp
57dnl (sys/cdefs.h in at least in musl contains a #warning)
58AC_CHECK_HEADERS([sys/cdefs.h], [], [], [#include <sys/cdefs.h>])
59
60SAVE_LIBS="${LIBS}"
61LIBS="${LIBS} -lpthread"
62AC_MSG_CHECKING([for two-argument pthread_setname_np()])
63AC_COMPILE_IFELSE(
64	[AC_LANG_PROGRAM(
65		[[#define _GNU_SOURCE
66		  #include <pthread.h>]],
67		[[pthread_t pt;]
68		[pthread_setname_np(pt, "x");return 0;]])
69	],[
70		AC_MSG_RESULT([yes])
71		AC_DEFINE(HAVE_PTHREAD_SETNAME2, [1],
72		    [Define to 1 if you have 2-arg pthread_setname_np()])
73	],[
74		AC_MSG_RESULT([no])
75])
76AC_MSG_CHECKING([for three-argument pthread_setname_np()])
77AC_COMPILE_IFELSE(
78	[AC_LANG_PROGRAM(
79		[[#define _GNU_SOURCE
80		  #include <pthread.h>]],
81		[[pthread_t pt;]
82		[pthread_setname_np(pt, "X", (void *)0);return 0;]])
83	],[
84		AC_MSG_RESULT([yes])
85		AC_DEFINE(HAVE_PTHREAD_SETNAME3, [1],
86		    [Define to 1 if you have 3-arg pthread_setname_np()])
87	],[
88		AC_MSG_RESULT([no])
89])
90LIBS="${SAVELIBS}"
91
92AC_MSG_CHECKING([for ioctl cmd being int])
93AC_COMPILE_IFELSE(
94	[AC_LANG_PROGRAM(
95		[[#include <sys/ioctl.h>
96		  #include <unistd.h>
97		  int ioctl(int fd, int, ...);]],
98		[[]
99		[return 0;]])
100	],[
101		AC_MSG_RESULT([yes])
102		AC_DEFINE(HAVE_IOCTL_CMD_INT, [1],
103		    [Define to 1 if ioctl()'s cmd arg is int])
104	],[
105		AC_MSG_RESULT([no])
106])
107CFLAGS="${SAVE_CFLAGS}"
108
109AC_OUTPUT
110