1 files changed, 63 insertions, 0 deletions
diff --git a/scripts/adddebug b/scripts/adddebug
new file mode 100755
index 00000000..8968e89c
--- /dev/null
+++ b/scripts/adddebug
@@ -0,0 +1,63 @@
+#!/bin/sh
+# Modifies the Makefile in the current directory (and optionally its subdirs),
+# - to add debug info (-g3)
+# - optionally (default) remove optimizations (-O[1-9]?)
+# - optionally remove -DNDEBUG and -DNO_DEBUG
+
+mxdp="-maxdepth 1"
+for i in $*; do
+  case $i in
+    -k) keep=1;;
+    -r) mxdp=;;
+    -n) ndebug=1;;
+    *) echo -e "Usage: adddebug [-k] [-r] [-n]\n  -k: keep optimizations (removed by default)\n  -r: recursive (process all subdirectories)\n  -n: compile without NDEBUG and NO_DEBUG being defined (makes kdDebug calls work)"; exit 1;;
+  esac
+done
+
+xpr='s/^((C|CXX|LD)FLAGS[ \t]*=.*)$/\1 -g3/'
+if test -z $keep; then
+  xpr="$xpr;"'s/[\t ]-O[1-9]?\b//g'
+  xpr="$xpr;"'s/[\t ]-march=\S+\b//g'
+fi
+if test -z $ndebug; then
+  xpr="$xpr;"'s/[\t ]-DNDEBUG\b//g'
+  xpr="$xpr;"'s/[\t ]-DNO_DEBUG\b//g'
+fi
+find . $mxdp -name Makefile -exec perl -pi -e "$xpr" {} \;
+
+using_unsermake=
+if head -n 1 Makefile | grep unsermake >/dev/null; then
+    using_unsermake=new
+fi
+if head -n 1 Makefile | grep automake >/dev/null; then
+    using_unsermake=old
+fi
+
+top_builddir=`grep '^top_builddir' Makefile | sed -e 's/^.*= *//'`
+
+if test "$using_unsermake" = "new"; then
+  # the idea: grab the cxxflags from MakeVars, modify them, and write them down
+  # in every Makefile after the line that says .FORWARDS
+  toplevelMakefile=$top_builddir/Makefile
+  if [ -f $toplevelMakefile ]; then
+    # warning this uses sed, so the '?' in the perl regexp above doesn't work here
+    cxxflags=`grep ^CXXFLAGS $toplevelMakefile | sed -e 's/[\t ]-O[1-9]\b//g;s/[\t ]-march=\S+\b//g;s/[\t ]-DNDEBUG\b//g;s/[\t ]-DNO_DEBUG\b//g'`
+    xpr="s/^CXXFLAGS\s*=.*//; if ( /^\.FORWARDS:/) { "'$_'" .= \"\n$cxxflags -g3\"; }"
+    find . $mxdp -name Makefile -exec perl -pi -e "$xpr" {} \;
+  else
+    echo "ERROR: top_builddir is $top_builddir but $makevars not found"
+  fi
+
+elif test "$using_unsermake" = "old"; then
+  # the idea: grab the cxxflags from MakeVars, modify them, and write them down
+  # in every Makefile after the line that includes MakeVars
+  makevars=$top_builddir/MakeVars
+  if [ -f $makevars ]; then
+    # warning this uses sed, so the '?' in the perl regexp above doesn't work here
+    cxxflags=`grep ^CXXFLAGS $makevars | sed -e 's/[\t ]-O[1-9]\b//g;s/[\t ]-march=\S+\b//g;s/[\t ]-DNDEBUG\b//g;s/[\t ]-DNO_DEBUG\b//g'`
+    xpr="s/^CXXFLAGS\s*=.*//; if ( /^include .*MakeVars$/) { "'$_'" .= \"\n$cxxflags -g3\"; }"
+    find . $mxdp -name Makefile -exec perl -pi -e "$xpr" {} \;
+  else
+    echo "ERROR: top_builddir is $top_builddir but $makevars not found"
+  fi
+fi