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authorPádraig Brady <P@draigBrady.com>2014-05-10 04:53:29 +0100
committerPádraig Brady <P@draigBrady.com>2014-05-21 18:29:38 +0100
commit1ab31d1ec1635ae0764604a8bf61e11851a63a45 (patch)
tree54b5f8dccbde4e512a394ff8b42e6635209ea573 /lib/t-chdir-long
parent7a63d6395ac117b753a18468a9b3f5ed95d176d4 (diff)
downloadcoreutils-1ab31d1ec1635ae0764604a8bf61e11851a63a45.tar.xz
stdbuf: support compilers other than __GNUC__
__SUNPRO_C >= 0x590 /*12.0*/ supports __attribute((constructor)) required by stdbuf, so use a more direct check for this. Note ensure that --libexecdir is set to the appropriate install location for libstdbuf.so so that stdbuf works when installed on the system like it does when running tests in the build directory. * configure.ac (stdbuf_supported): Use a test prog to determine support. * src/libstdbuf.c (stdbuf): Define appropriately for non GCC compilers, and provide early feedback (compilation warning) if trying to compile libstdbuf without the necessary support. * src/stdbuf.c (set_LD_PRELOAD): Add a note on having stdbuf look for libstdbuf.so in the default lib search path. * cfg.mk (sc_prohibit-gl-attributes): Adjust so we can exclude libstdbuf.so from prohibiting '__attribute', since we want this form to avoid silently eliding this required attribute on non GCC. Reported and tested by Rich Burridge.
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