recipetool: create: be more tolerant of spacing in configure.ac

Allow for whitespace in appropriate places, and ensure we match all
whitespace chars not just the space character.

(This fixes extracting dependencies from tmux's configure.ac, for
example.)

(From OE-Core rev: 63524ac8093b734aa4f29f4ea47bcc036f748314)

Signed-off-by: Paul Eggleton <paul.eggleton@linux.intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

scripts/lib/recipetool/create_buildsys.py

@@ -413,15 +413,15 @@ class AutotoolsRecipeHandler(RecipeHandler):
         progclassmap = {'gconftool-2': 'gconf',
                 'pkg-config': 'pkgconfig'}
 
-        pkg_re = re.compile('PKG_CHECK_MODULES\(\[?[a-zA-Z0-9_]*\]?, *\[?([^,\]]*)\]?[),].*')
-        pkgce_re = re.compile('PKG_CHECK_EXISTS\(\[?([^,\]]*)\]?[),].*')
-        lib_re = re.compile('AC_CHECK_LIB\(\[?([^,\]]*)\]?,.*')
-        libx_re = re.compile('AX_CHECK_LIBRARY\(\[?[^,\]]*\]?, *\[?([^,\]]*)\]?, *\[?([a-zA-Z0-9-]*)\]?,.*')
-        progs_re = re.compile('_PROGS?\(\[?[a-zA-Z0-9_]*\]?, \[?([^,\]]*)\]?[),].*')
+        pkg_re = re.compile('PKG_CHECK_MODULES\(\s*\[?[a-zA-Z0-9_]*\]?,\s*\[?([^,\]]*)\]?[),].*')
+        pkgce_re = re.compile('PKG_CHECK_EXISTS\(\s*\[?([^,\]]*)\]?[),].*')
+        lib_re = re.compile('AC_CHECK_LIB\(\s*\[?([^,\]]*)\]?,.*')
+        libx_re = re.compile('AX_CHECK_LIBRARY\(\s*\[?[^,\]]*\]?,\s*\[?([^,\]]*)\]?,\s*\[?([a-zA-Z0-9-]*)\]?,.*')
+        progs_re = re.compile('_PROGS?\(\s*\[?[a-zA-Z0-9_]*\]?,\s*\[?([^,\]]*)\]?[),].*')
         dep_re = re.compile('([^ ><=]+)( [<>=]+ [^ ><=]+)?')
-        ac_init_re = re.compile('AC_INIT\(([^,]+), *([^,]+)[,)].*')
-        am_init_re = re.compile('AM_INIT_AUTOMAKE\(([^,]+), *([^,]+)[,)].*')
-        define_re = re.compile(' *(m4_)?define\(([^,]+), *([^,]+)\)')
+        ac_init_re = re.compile('AC_INIT\(\s*([^,]+),\s*([^,]+)[,)].*')
+        am_init_re = re.compile('AM_INIT_AUTOMAKE\(\s*([^,]+),\s*([^,]+)[,)].*')
+        define_re = re.compile('\s*(m4_)?define\(\s*([^,]+),\s*([^,]+)\)')
 
         defines = {}
         def subst_defines(value):