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-rw-r--r--configure.ac23
1 files changed, 23 insertions, 0 deletions
diff --git a/configure.ac b/configure.ac
index 8dd74fef1f..08a850cfa2 100644
--- a/configure.ac
+++ b/configure.ac
@@ -926,6 +926,29 @@ if test x$use_reduce_exports = xyes; then
[AC_MSG_ERROR([Cannot set default symbol visibility. Use --disable-reduce-exports.])])
fi
+AC_MSG_CHECKING([for std::system])
+AC_LINK_IFELSE(
+ [ AC_LANG_PROGRAM(
+ [[ #include <cstdlib> ]],
+ [[ int nErr = std::system(""); ]]
+ )],
+ [ AC_MSG_RESULT(yes); AC_DEFINE(HAVE_STD__SYSTEM, 1, Define to 1 if you have the `std::system' function.)],
+ [ AC_MSG_RESULT(no) ]
+)
+
+AC_MSG_CHECKING([for ::_wsystem])
+AC_LINK_IFELSE(
+ [ AC_LANG_PROGRAM(
+ [[ ]],
+ [[ int nErr = ::_wsystem(""); ]]
+ )],
+ [ AC_MSG_RESULT(yes); AC_DEFINE(HAVE_WSYSTEM, 1, Define to 1 if you have the `::wsystem' function.)],
+ [ AC_MSG_RESULT(no) ]
+)
+
+# Define to 1 if std::system or ::wsystem (Windows) is available
+AC_DEFINE([HAVE_SYSTEM], [HAVE_STD__SYSTEM || HAVE_WSYSTEM], [std::system or ::wsystem])
+
LEVELDB_CPPFLAGS=
LIBLEVELDB=
LIBMEMENV=