From b5c6f48631ca3eb66a76a54faa2cd82c9140a917 Mon Sep 17 00:00:00 2001
From: Karel Zak
Date: Wed, 13 Jun 2012 11:59:29 +0200
Subject: tools: add small and stupid script to check HAVE_DECL_

 use 'make checkdecl' to run the script

Signed-off-by: Karel Zak <kzak@redhat.com>
---
 Makefile.am        |  3 +++
 tools/checkdecl.sh | 21 +++++++++++++++++++++
 2 files changed, 24 insertions(+)
 create mode 100755 tools/checkdecl.sh

diff --git a/Makefile.am b/Makefile.am
index 055cc4d8b..0f6414189 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -90,6 +90,9 @@ checkmans:
 checkxalloc:
 	@ $(top_srcdir)/tools/checkxalloc.sh
 
+checkdecl:
+	@ $(top_srcdir)/tools/checkdecl.sh
+
 ENABLE_ALL = --enable-static-programs --enable-most-builds
 DISTCHECK_CONFIGURE_FLAGS = --enable-gtk-doc --disable-use-tty-group \
 			    --disable-silent-rules $(ENABLE_ALL) \
diff --git a/tools/checkdecl.sh b/tools/checkdecl.sh
new file mode 100755
index 000000000..bd9ee6975
--- /dev/null
+++ b/tools/checkdecl.sh
@@ -0,0 +1,21 @@
+#!/bin/sh
+
+#
+# This script checkd for #ifdef HAVE_DECL_SYMBOL in code.
+#
+# Autoconf docs:
+#
+# Unlike the other autoconf ‘AC_CHECK_*S’ macros, when a symbol is not
+# declared, HAVE_DECL_symbol is defined to ‘0’ instead of leaving
+# HAVE_DECL_symbol undeclared. When you are sure that the check was performed,
+# use HAVE_DECL_symbol in #if.
+#
+
+if [ ! -f ./configure ]; then
+	echo "Not found configure script"
+	exit 1
+fi
+
+for decl in $(awk '/HAVE_DECL_.*ac_have_decl/ { print $2 }' configure); do 
+	git grep -nE '[[:blank:]]*#[[:blank:]]*if(ndef|def)[[:blank:]]*'$decl;
+done | sort -u
-- 
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