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apply sources patch cc-cpp-c99-comm

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When running "?c -p ...", ensure the backend cpp recognizes C++ comments.

2c(1) states that the compilers recognize // comments, and the bare compilers
do.  But if you invoke the compiler with '-p', the backend cpp process
doesn't handle // comments properly unless you also give ?c the undocumented
'-+' option (which it passes through to cpp).
This commit is contained in:
cinap_lenrek 2012-10-03 18:09:53 +02:00
parent 87b66bade2
commit 76c102e548
1 changed files with 2 additions and 4 deletions
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6
sys/src/cmd/cc/lex.c
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@ -242,14 +242,12 @@ compile(char *file, char **defs, int ndef)
close(fd[1]);
av[0] = CPP;
i = 1;
sprint(opt, "-+");
av[i++] = strdup(opt);
if(debug['.']){
sprint(opt, "-.");
av[i++] = strdup(opt);
}
if(debug['+']) {
sprint(opt, "-+");
av[i++] = strdup(opt);
}
for(c = 0; c < ndef; c++) {
sprint(opt, "-D%s", defs[c]);
av[i++] = strdup(opt);