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-rw-r--r--configure.ac3
1 files changed, 2 insertions, 1 deletions
diff --git a/configure.ac b/configure.ac
index 8570daa7b..181c07bf5 100644
--- a/configure.ac
+++ b/configure.ac
@@ -933,7 +933,8 @@ AM_CONDITIONAL(ENABLE_AGENT_SUPPORT, test "$agent_support" = yes)
dnl Checks for header files.
AC_HEADER_STDC
-AC_CHECK_HEADERS([unistd.h langinfo.h termio.h locale.h getopt.h pwd.h])
+AC_CHECK_HEADERS([unistd.h langinfo.h termio.h locale.h getopt.h pwd.h \
+ signal.h])
# Note that we do not check for iconv here because this is done anyway
# by the gettext checks and thus it allows us to disable the use of