clean up comments

Author: deminy

config.m4

@@ -1,17 +1,3 @@
-dnl config.m4 for extension bsdiff
-
-dnl Comments in this file start with the string 'dnl'.
-dnl Remove where necessary.
-
-dnl If your extension references something external, use 'with':
-
-dnl PHP_ARG_WITH([bsdiff],
-dnl   [for bsdiff support],
-dnl   [AS_HELP_STRING([--with-bsdiff],
-dnl     [Include bsdiff support])])
-
-dnl Otherwise use 'enable':
-
 PHP_ARG_ENABLE([bsdiff],
   [whether to enable bsdiff support],
   [AS_HELP_STRING([--enable-bsdiff],
@@ -24,49 +10,6 @@ PHP_ARG_WITH([bz2],
     [Specify installation directory of BZip2])])
 
 if test "$PHP_BSDIFF" != "no"; then
-  dnl Write more examples of tests here...
-
-  dnl Remove this code block if the library does not support pkg-config.
-  dnl PKG_CHECK_MODULES([LIBFOO], [foo])
-  dnl PHP_EVAL_INCLINE($LIBFOO_CFLAGS)
-  dnl PHP_EVAL_LIBLINE($LIBFOO_LIBS, BSDIFF_SHARED_LIBADD)
-
-  dnl If you need to check for a particular library version using PKG_CHECK_MODULES,
-  dnl you can use comparison operators. For example:
-  dnl PKG_CHECK_MODULES([LIBFOO], [foo >= 1.2.3])
-  dnl PKG_CHECK_MODULES([LIBFOO], [foo < 3.4])
-  dnl PKG_CHECK_MODULES([LIBFOO], [foo = 1.2.3])
-
-  dnl Remove this code block if the library supports pkg-config.
-  dnl --with-bsdiff -> check with-path
-  dnl SEARCH_PATH="/usr/local /usr"     # you might want to change this
-  dnl SEARCH_FOR="/include/bsdiff.h"  # you most likely want to change this
-  dnl if test -r $PHP_BSDIFF/$SEARCH_FOR; then # path given as parameter
-  dnl   BSDIFF_DIR=$PHP_BSDIFF
-  dnl else # search default path list
-  dnl   AC_MSG_CHECKING([for bsdiff files in default path])
-  dnl   for i in $SEARCH_PATH ; do
-  dnl     if test -r $i/$SEARCH_FOR; then
-  dnl       BSDIFF_DIR=$i
-  dnl       AC_MSG_RESULT(found in $i)
-  dnl     fi
-  dnl   done
-  dnl fi
-  dnl
-  dnl if test -z "$BSDIFF_DIR"; then
-  dnl   AC_MSG_RESULT([not found])
-  dnl   AC_MSG_ERROR([Please reinstall the bsdiff distribution])
-  dnl fi
-
-  dnl Remove this code block if the library supports pkg-config.
-  dnl --with-bsdiff -> add include path
-  dnl PHP_ADD_INCLUDE($BSDIFF_DIR/include)
-
-  dnl Remove this code block if the library supports pkg-config.
-  dnl --with-bsdiff -> check for lib and symbol presence
-  dnl LIBNAME=BSDIFF # you may want to change this
-  dnl LIBSYMBOL=BSDIFF # you most likely want to change this
-
   if test "$PHP_BZ2" != "no"; then
     if test -r $PHP_BZ2/include/bzlib.h; then
       BZIP_DIR=$PHP_BZ2
@@ -99,7 +42,6 @@ if test "$PHP_BSDIFF" != "no"; then
     PHP_SUBST(BSDIFF_SHARED_LIBADD)
   fi
 
-  dnl In case of no dependencies
   AC_DEFINE(HAVE_BSDIFF, 1, [ Have bsdiff support ])
 
   PHP_NEW_EXTENSION(bsdiff, php_bsdiff.c bsdiff.c bspatch.c, $ext_shared,,-I@ext_srcdir@)