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-rw-r--r--configure.ac20
1 files changed, 20 insertions, 0 deletions
diff --git a/configure.ac b/configure.ac
index 4e83fd3..7986682 100644
--- a/configure.ac
+++ b/configure.ac
@@ -38,6 +38,26 @@ AX_CHECK_COMPILE_FLAG([-Wduplicated-branches], [CXXFLAGS="$CXXFLAGS -Wduplicated
AX_CHECK_COMPILE_FLAG([-Wlogical-op], [CXXFLAGS="$CXXFLAGS -Wlogical-op"], [], ["-Werror"])
AX_CHECK_COMPILE_FLAG([-Wrestrict], [CXXFLAGS="$CXXFLAGS -Wrestrict"], [], ["-Werror"])
AX_CHECK_COMPILE_FLAG(["-Wformat=2"], [CXXFLAGS="$CXXFLAGS -Wformat=2"], [], ["-Werror"])
+
+# Linux defines MSG_NOSIGNAL, some other systems have SO_NOSIGPIPE instead
+AC_MSG_CHECKING(for MSG_NOSIGNAL)
+AC_COMPILE_IFELSE([ AC_LANG_PROGRAM([[
+ #include <sys/socket.h>
+ int f = MSG_NOSIGNAL;
+ ]])],
+ [ AC_MSG_RESULT(yes)
+ AC_DEFINE(HAVE_MSG_NOSIGNAL, 1, [Define this symbol if you have MSG_NOSIGNAL]) ],
+ [ AC_MSG_RESULT(no) ])
+
+AC_MSG_CHECKING(for SO_NOSIGPIPE)
+AC_COMPILE_IFELSE([ AC_LANG_PROGRAM([[
+ #include <sys/socket.h>
+ int f = SO_NOSIGPIPE;
+ ]])],
+ [ AC_MSG_RESULT(yes)
+ AC_DEFINE(HAVE_SO_NOSIGPIPE, 1, [Define this symbol if you have SO_NOSIGPIPE]) ],
+ [ AC_MSG_RESULT(no) ])
+
AC_LANG_POP([C++])
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