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-rwxr-xr-xsource4/script/find_unused_defines.pl30
1 files changed, 30 insertions, 0 deletions
diff --git a/source4/script/find_unused_defines.pl b/source4/script/find_unused_defines.pl
new file mode 100755
index 0000000000..def1bd159f
--- /dev/null
+++ b/source4/script/find_unused_defines.pl
@@ -0,0 +1,30 @@
+#!/usr/bin/perl
+# Script that reads in configure and outputs the names of all the defines
+# it defines that are used nowhere in the code
+
+# Arguments:
+# 1: configure.in
+# 2: C files pattern
+
+my %symbols;
+
+# First, make a list of defines in configure
+$in = shift;
+
+while($tmp = shift) {
+ open(FI, $tmp);
+ while(<FI>) {
+ while(/([A-Za-z0-9_]+)/sgm) {
+ $symbols{$1} = 1;
+ }
+ }
+ close FI;
+}
+
+open(IN, $in) or die("Can't open $in");
+
+while(<IN>) {
+ if(/AC_DEFINE\(([^,]+),/ and $symbols{$1} != 1) { print "$1\n"; }
+}
+
+close IN;