# =>
# input.y:4: #error "8"
#
-# The message may include a caret-error:
+# The message may include a caret-error (indented by GCC 4.8,
+# not by clang 3.2):
#
# input.y:1:2: error: #error "1"
# #error "1"
# ^
#
-# And possibly distcc adds its bits.
+# Possibly distcc adds its bits.
#
# distcc[33187] ERROR: compile (null) on localhost failed
# syncline.c:1:2: error: #error "1"
#
# distcc[35882] (dcc_connect_by_name) ERROR: failed to look up host "chrisimac": Unknown host
# distcc[35882] Warning: failed to distribute input.c to chrisimac/4, running locally instead
+#
+# The compiler might end by the number of messages issued (Clang 3.2):
+#
+# syncline.c:1:2: error: "1"
+# #error "1"
+# ^
+# 1 error generated.
+#
+# When c++ is used to compiler C, we might have more messages (Clang 3.2):
+#
+# clang: warning: treating 'c' input as 'c++' when in C++ mode, this behavior is deprecated
AT_CHECK([[$PERL -p -0777 - stderr <<\EOF
+ # 1. Remove useless lines.
+
+ # distcc clutter.
s/^distcc\[\d+\] .*\n//gm;
- s/^([^:]+:\d+)[.:][^:]+:(.+)$/$][1:$][2/gm;
- s/^([^:]+:\d+):[^#]*( #error)/$][1:$][2/gm;
+ # c vs. c++.
+ s/^clang: warning: treating 'c' input as 'c\+\+'.*\n//gm;
+ # Function context.
s/^[^:]*: In function '[^']+':\n//gm;
- s/^\ +#error.*\n\ *\^\n//gm;
+ # Caret error.
+ s/^ *#error.*\n *\^\n//gm;
+ # Number of errors.
+ s/^1 error generated\.\n//gm;
+
+ # 2. Normalize the lines we kept.
+
+ # Remove column.
+ s/^([^:]+:\d+)[.:][^:]+:(.+)$/$][1:$][2/gm;
+ # Map all combinations of "error: " and "#error: " to "#error ".
+ s/^([^:]+:\d+):( |#error|error|:)+/$][1: #error /gm;
EOF
]],
0, [stdout])