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-rw-r--r--waflib/Tools/c_preproc.py6
1 files changed, 3 insertions, 3 deletions
diff --git a/waflib/Tools/c_preproc.py b/waflib/Tools/c_preproc.py
index 7e04b4a..68e5f5a 100644
--- a/waflib/Tools/c_preproc.py
+++ b/waflib/Tools/c_preproc.py
@@ -75,13 +75,13 @@ re_lines = re.compile(
re.IGNORECASE | re.MULTILINE)
"""Match #include lines"""
-re_mac = re.compile("^[a-zA-Z_]\w*")
+re_mac = re.compile(r"^[a-zA-Z_]\w*")
"""Match macro definitions"""
re_fun = re.compile('^[a-zA-Z_][a-zA-Z0-9_]*[(]')
"""Match macro functions"""
-re_pragma_once = re.compile('^\s*once\s*', re.IGNORECASE)
+re_pragma_once = re.compile(r'^\s*once\s*', re.IGNORECASE)
"""Match #pragma once statements"""
re_nl = re.compile('\\\\\r*\n', re.MULTILINE)
@@ -660,7 +660,7 @@ def extract_macro(txt):
# empty define, assign an empty token
return (v, [[], [('T','')]])
-re_include = re.compile('^\s*(<(?:.*)>|"(?:.*)")')
+re_include = re.compile(r'^\s*(<(?:.*)>|"(?:.*)")')
def extract_include(txt, defs):
"""
Process a line in the form::