implement '--enable-debug' for ./configure; small clean up autogen.sh and configure.ac

git-svn-id: https://tesseract-ocr.googlecode.com/svn/trunk@732 d0cd1f9f-072b-0410-8dd7-cf729c803f20

autogen.sh

@@ -6,7 +6,7 @@
 #   aclocal
 #   autoheader
 #   autoconf
-#   autromake
+#   automake
 #
 # The whole thing is quite complex...
 #
@@ -29,15 +29,15 @@
 
 # create m4 directory if it not exists
 if [ ! -d m4 ];  then
-	mkdir m4
+    mkdir m4
 fi
 
 bail_out()
 {
-	echo 
-	echo "  Something went wrong, bailing out!" 
-	echo 
-	exit 1
+    echo
+    echo "  Something went wrong, bailing out!" 
+    echo
+    exit 1
 }
 
 # --- Step 1: Generate aclocal.m4 from:
@@ -49,7 +49,7 @@ mkdir -p config
 echo "Running aclocal"
 aclocal -I config || bail_out
 
-# --- Step 2: 
+# --- Step 2:
 
 echo "Running libtoolize"
 libtoolize -f -c || glibtoolize -f -c || bail_out
@@ -85,5 +85,5 @@ echo ""
 echo "All done."
 echo "To build the software now, do something like:"
 echo ""
-echo "$ ./configure [--with-debug] [...other options]"
+echo "$ ./configure [--enable-debug] [...other options]"
 echo "$ make"

configure.ac

@@ -65,14 +65,11 @@ case $host_os in
     mingw32*)
         AC_DEFINE_UNQUOTED(MINGW,1,[This is a MinGW system])
         AM_CONDITIONAL(MINGW, true)
-        #AC_SUBST([AM_CPPFLAGS], ["-DWINDLLNAME=\"lib$GENERIC_LIBRARY_NAME\""])
-        #AC_SUBST([AM_CPPFLAGS], ["-D__BLOB_T_DEFINED -DWINDLLNAME=\"lib$GENERIC_LIBRARY_NAME\""])
         AC_SUBST([AM_CPPFLAGS], ["-D__BLOB_T_DEFINED"])
         AC_SUBST([AM_LDFLAGS], ['-Wl,-no-undefined -Wl,--as-needed'])
-        #AM_LDFLAGS='-Wl,-no-undefined -Wl,--as-needed'
         ;;
      *)
-		# default
+        # default
         ;;
 esac
 
@@ -143,12 +140,30 @@ AM_CONDITIONAL([USING_MULTIPLELIBS], [test "$enable_mlibs" = "yes"])
 # Check if tessdata-prefix is disabled
 AC_MSG_CHECKING(whether to use tessdata-prefix)
 AC_ARG_ENABLE(tessdata-prefix,
-	[AC_HELP_STRING([--disable-tessdata-prefix],
-			[dont set TESSDATA-PREFIX during compile])],
-	[tessdata_prefix="no"], [tessdata_prefix="yes"])
+    [AC_HELP_STRING([--disable-tessdata-prefix],
+            [dont set TESSDATA-PREFIX during compile])],
+    [tessdata_prefix="no"], [tessdata_prefix="yes"])
 AC_MSG_RESULT($tessdata_prefix)
 AM_CONDITIONAL([NO_TESSDATA_PREFIX], [test "$tessdata_prefix" = "no"])
 
+# Check whether enable debuging
+AC_MSG_CHECKING(whether to enable debugging)
+AC_ARG_ENABLE([debug],
+    [AC_HELP_STRING([--enable-debug],
+        [turn on debugging (default=no)])],
+    [debug=$enableval],
+    [debug="no"])
+AC_MSG_RESULT($debug)
+if test x"$debug" = x"yes"; then
+    AC_DEFINE([DEBUG],[],[Debug Mode])
+    AM_CXXFLAGS="$AM_CXXFLAGS -g -Wall -Wno-uninitialized -O0"
+    AM_CPPFLAGS="$AM_CPPFLAGS -g -Wall -Wno-uninitialized -O0"
+else
+    AC_DEFINE([NDEBUG],[],[No-debug Mode])
+    AM_CXXFLAGS="$AM_CXXFLAGS -O3"
+    AM_CPPFLAGS="$AM_CPPFLAGS -O3"
+fi
+
 #localedir='${prefix}/share/locale'
 
 # Not used yet, so disable