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--- a/giscanner/sourcescanner.py 2013-12-15 23:03:54.002937000 +0100
+++ b/giscanner/sourcescanner.py 2013-12-15 23:04:50.322937000 +0100
@@ -277,6 +277,11 @@
defines = ['__GI_SCANNER__']
undefs = []
cpp_args = os.environ.get('CC', 'cc').split() # support CC="ccache gcc"
+ if (cpp_args == ['cc'] and
+ not any(map(lambda x: os.access(os.path.join(x, 'cc'), os.X_OK),
+ os.environ.get('PATH').split(':')))):
+ cpp_args = ['GUIX_GCC_PATH']
+
if 'cl' in cpp_args:
# The Microsoft compiler/preprocessor (cl) does not accept
# source input from stdin (the '-' flag), so we need
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