On 13-11-26 06:33 PM, Ran Benita wrote: > This was already committed, but how about changing to AC_CC_C99 instead? Pardon me as I am out of context. The xserver module is configured with AC_PROG_CC_C99 that gets pulled in by XORG_DEFAULTS from util-macros. It's not obvious, but it saves from copying this line in the 250 xorg modules.
That's why we ask developers not to add AC_PROG_CC in configure.ac as it turns the module back to C89. That isn't obvious either :-) To find which of the two a module is using: grep "^CC=" config.status and you get: CC='gcc -std=gnu99' There are also a couple of options to fine tune the level of strictness: --disable-selective-werror Turn off selective compiler errors. (default: enabled) --enable-strict-compilation Enable all warnings from compiler and make them errors (default: disabled) I took this opportunity to explain this non obvious configuration to all. > pedantic _can_ be useful for XCB imo, e.g. the "enum too big for an int" > thing. Also, the code already uses some C99 constructs now.
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