>I was looking through gcc last night to see how conceptually difficult
>it would be to do something like this. But instead of a file, I was
>thinking of this process:
>
>* if env("PTHREADS_LIBS") then LDFLAGS += PTHREADS_LIBS
>* elseif fileexists("libpthread") then LDFLAGS += -lpthread
>* elseif fileexists("libthr") then LDFLAGS += -lthr
>* elseif fileexists("libc_r") then LDFLAGS += -lc_r
>* else error("Threading not supported.")
Hello Mike,
I too thought about making -pthread an exact alias for
env("PTHREADS_LIBS") (and, if empty, pick -lpthread or the classic
default -lc_r). The main issue is that the FSF gcc has not accepted
any code into the gcc driver which depends on environment variables.
Loren
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