From c0bbe607ed81ce30a059d20c7dc9a2517613268f Mon Sep 17 00:00:00 2001
From: Simon Bauer <bauer-s-public@outlook.com>
Date: Thu, 30 Sep 2021 11:56:38 +0000
Subject: [PATCH] Added --without-sigaction option

---
 configure    | 29 ++++++++++++++++++++++++++++-
 configure.ac | 14 +++++++++++++-
 2 files changed, 41 insertions(+), 2 deletions(-)

diff --git a/configure b/configure
index 348943b9..542811ef 100755
--- a/configure
+++ b/configure
@@ -724,6 +724,7 @@ enable_evhtp
 enable_nghttp2
 with_configfile
 with_libxml2
+with_sigaction
 with_yang_installdir
 with_opt_yang_installdir
 '
@@ -1384,6 +1385,7 @@ Optional Packages:
   --without-restconf      Disable restconf altogether
   --with-configfile=FILE  Set default path to config file
   --with-libxml2          Use gnome/libxml2 regex engine
+  --without-sigaction     Don't use sigaction
   --with-yang-installdir=DIR
                           Install Clixon yang files here (default:
                           ${prefix}/share/clixon)
@@ -5565,7 +5567,7 @@ fi
 fi
 
 #
-for ac_func in inet_aton sigaction sigvec strlcpy strsep strndup alphasort versionsort getpeereid setns getresuid
+for ac_func in inet_aton sigvec strlcpy strsep strndup alphasort versionsort getpeereid setns getresuid
 do :
   as_ac_var=`$as_echo "ac_cv_func_$ac_func" | $as_tr_sh`
 ac_fn_c_check_func "$LINENO" "$ac_func" "$as_ac_var"
@@ -5578,6 +5580,31 @@ fi
 done
 
 
+# Check for --without-sigaction parameter
+
+# Check whether --with-sigaction was given.
+if test "${with_sigaction+set}" = set; then :
+  withval=$with_sigaction;
+else
+  with_sigaction=yes
+
+fi
+
+
+if test "x${with_sigaction}" == "xyes"; then
+   for ac_func in sigaction
+do :
+  ac_fn_c_check_func "$LINENO" "sigaction" "ac_cv_func_sigaction"
+if test "x$ac_cv_func_sigaction" = xyes; then :
+  cat >>confdefs.h <<_ACEOF
+#define HAVE_SIGACTION 1
+_ACEOF
+
+fi
+done
+
+fi
+
 # Checks for getsockopt options for getting unix socket peer credentials on
 # Linux
 cat confdefs.h - <<_ACEOF >conftest.$ac_ext
diff --git a/configure.ac b/configure.ac
index 590ebcbb..842d6f1e 100644
--- a/configure.ac
+++ b/configure.ac
@@ -298,7 +298,19 @@ if test "${with_libxml2}"; then
 fi 
 
 #
-AC_CHECK_FUNCS(inet_aton sigaction sigvec strlcpy strsep strndup alphasort versionsort getpeereid setns getresuid)
+AC_CHECK_FUNCS(inet_aton sigvec strlcpy strsep strndup alphasort versionsort getpeereid setns getresuid)
+
+# Check for --without-sigaction parameter
+AC_ARG_WITH(
+	[sigaction],
+	[AS_HELP_STRING([--without-sigaction], [Don't use sigaction])],
+	[],
+	[with_sigaction=yes]
+)
+
+if test "x${with_sigaction}" == "xyes"; then
+   AC_CHECK_FUNCS(sigaction)
+fi 
 
 # Checks for getsockopt options for getting unix socket peer credentials on
 # Linux