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| From | Chet Ramey <chet.ramey@case.edu> |
| Newsgroups | gnu.bash.bug |
| Subject | Re: [PATCH 2/3] aclocal.m4: Fix BASH_FUNC_SBRK when cross-compiling for FreeBSD/RISC-V |
| Date | Mon, 29 Jun 2020 10:52:33 -0400 |
| Organization | ITS, Case Western Reserve University |
| Lines | 19 |
| Approved | bug-bash@gnu.org |
| Message-ID | <mailman.649.1593442362.2574.bug-bash@gnu.org> (permalink) |
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| To | Jessica Clarke <jrtc27@jrtc27.com>, bug-bash@gnu.org |
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On 6/27/20 4:06 PM, Jessica Clarke wrote: > FreeBSD unconditionally provides a prototype for sbrk(2), but on recent > ports (AArch64 and RISC-V) it does not provide the deprecated symbol. > This means that, when cross-compiling, we currently only get to use > AC_CHECK_FUNCS_ONCE, and so believe sbrk(2) to be available. Instead, > use AC_TRY_LINK so we can detect this case when cross-compiling. Also, > only define HAVE_SBRK when our tests pass, since xmalloc.c checks > whether it's defined, not its value. This likely meant the case where > sbrk(2) was available but broken did not in fact do the right thing. Thanks for the report and fix. Chet -- ``The lyf so short, the craft so long to lerne.'' - Chaucer ``Ars longa, vita brevis'' - Hippocrates Chet Ramey, UTech, CWRU chet@case.edu http://tiswww.cwru.edu/~chet/
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Re: [PATCH 2/3] aclocal.m4: Fix BASH_FUNC_SBRK when cross-compiling for FreeBSD/RISC-V Chet Ramey <chet.ramey@case.edu> - 2020-06-29 10:52 -0400
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