[CRIU] [PATCH 1/7] configure: add configure.in

[Ruslan Kuprieiev]

Signed-off-by: Ruslan Kuprieiev <kupruser at gmail.com>
---
 configure.in | 66 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 66 insertions(+)
 create mode 100644 configure.in

diff --git a/configure.in b/configure.in
new file mode 100644
index 0000000..085852f
--- /dev/null
+++ b/configure.in
@@ -0,0 +1,66 @@
+AC_INIT
+AC_PROG_CC
+AC_LANG_C
+AC_CONFIG_HEADER([include/config.h])
+
+AC_CHECK_LIB(
+	[bsd],
+	[strlcat],
+	[AC_DEFINE(CONFIG_HAS_LIBBSD)
+		LIBS="$LIBS -lbsd"
+	])
+
+AC_MSG_CHECKING([whether system already have struct tcp_repait_opt and TCP_NO_QUEUE in netinet/tcp.h])
+AC_TRY_COMPILE(
+	[#include <netinet/tcp.h>],
+	[
+		struct tcp_repair_opt opts;
+		opts.opt_code = TCP_NO_QUEUE;
+		opts.opt_val = 0;
+	],
+	[
+		AC_MSG_RESULT(yes)
+		AC_DEFINE(CONFIG_HAS_TCP_REPAIR)],
+	[AC_MSG_RESULT(no)])
+
+
+AC_MSG_CHECKING([whether there are needed structures for prlimit])
+AC_TRY_RUN(
+	[
+		#include <stdlib.h>
+		#include <sys/types.h>
+		#include <sys/time.h>
+		#include <sys/resource.h>
+
+		int main(void)
+		{
+			struct rlimit limit = {
+				.rlim_cur = RLIM_INFINITY,
+				.rlim_max = RLIM_INFINITY,
+			};
+
+			return prlimit(getpid(), RLIMIT_CPU, &limit, NULL);
+		}
+	],
+	[
+		AC_MSG_RESULT(yes)
+		AC_DEFINE(CONFIG_HAS_PRLIMIT)
+	],
+	[AC_MSG_RESULT(no)])
+
+AC_CHECK_FUNC([strlcpy], [AC_DEFINE(CONFIG_HAS_STRLCPY)])
+
+AC_CHECK_FUNC([strlcat], [AC_DEFINE(CONFIG_HAS_STRLCAT)])
+
+AC_MSG_CHECKING([whether struct prtrace_peeksiginfo_args is defined in sys/prtrace.h])
+AC_TRY_COMPILE(
+	[#include <sys/ptrace.h>],
+	[struct ptrace_peeksiginfo_args args = {};],
+	[
+		AC_MSG_RESULT(yes)
+		AC_DEFINE(CONFIG_HAS_PEEKSIGINFO_ARGS)
+	],
+	[AC_MSG_RESULT(no)])
+
+AC_CONFIG_FILES([Makefile])
+AC_OUTPUT
-- 
1.8.3.2