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-rw-r--r--macros/neon-test.m42
1 files changed, 1 insertions, 1 deletions
diff --git a/macros/neon-test.m4 b/macros/neon-test.m4
index c4e3095..3abd406 100644
--- a/macros/neon-test.m4
+++ b/macros/neon-test.m4
@@ -37,7 +37,7 @@ dnl CPPFLAGS which make "gcc -Werror" fail in NEON_FORMAT; suggest
dnl this macro is used first.
AC_BEFORE([$0], [NEON_XML_PARSER])
-AC_CHECK_HEADERS(sys/time.h stdint.h locale.h)
+AC_CHECK_HEADERS(sys/time.h signal.h stdint.h locale.h)
AC_CHECK_FUNCS(pipe isatty usleep shutdown setlocale gethostname)