1 files changed, 51 insertions, 0 deletions
diff --git a/bin/includebloat.awk b/bin/includebloat.awk
new file mode 100755
index 000000000..3792ef950
--- /dev/null
+++ b/bin/includebloat.awk
@@ -0,0 +1,51 @@
+#!/usr/bin/gawk -f
+# -*- tab-width: 4; indent-tabs-mode: t -*-
+#
+# This file is part of the LibreOffice project.
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+#
+
+# Generate a list of files included by the C++ compiler during the build
+# sorted by the total bytes an included file contributed to preprocessor input.
+# usage: first do a full build with "make check", then run this from $BUILDDIR
+
+# NOTE: by default gbuild does not generate dependencies for system headers
+#    (in particular the C++ standard library), so those will NOT be counted
+
+BEGIN {
+    cmd = "find workdir/Dep/CxxObject/ -name *.d | xargs cat"
+    while ((cmd | getline) > 0) {
+        if ($0 ~ /^ .*\\$/) {
+            gsub(/^ /, "");
+            gsub(/ *\\$/, "");
+            includes[$1]++
+            if ($2) {
+                # GCC emits 2 per line if short enough!
+                includes[$2]++
+            }
+        }
+    }
+    exit
+}
+
+END {
+    for (inc in includes) {
+        cmd = "wc -c " inc
+        if ((cmd | getline) < 0)
+            print "ERROR on: " cmd
+        sizes[inc] = $1 # $0 is wc -c output, $1 is size
+        totals[inc] = $1 * includes[inc]
+        totalsize += totals[inc]
+        close(cmd)
+    }
+    PROCINFO["sorted_in"] = "@val_num_desc"
+    print "sum total bytes included (excluding system headers): " totalsize
+    for (inc in totals) {
+        print totals[inc], sizes[inc], includes[inc], inc
+    }
+}
+
+# vim: set noet sw=4 ts=4: