1e92721ab5
m4 exited immediately (causing the nettle build to fail). ``` (alice)[11:09:46]spack>>/Users/hartzell/tmp/spack-mac/spack/opt/spack/darwin-highsierra-x86_64/clang-9.1.0-apple/m4-1.4.18-caxsf7l5yd7qbq2bown6bzi5el3ltfwf/bin/m4 Abort trap: 6 (alice)[11:10:18]spack>>fg ``` Tracked down a fix via the Homebrew recipe. I'll send a note to the `bug-m4@gnu.org` list to ensure that upstream knows about it.
16 lines
854 B
Diff
16 lines
854 B
Diff
With format string strictness, High Sierra also enforces that %n isn't used
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in dynamic format strings, but we should just disable its use on darwin in
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general.
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--- a/lib/vasnprintf.c.orig 2017-06-22 15:19:15.000000000 -0700
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+++ b/lib/vasnprintf.c 2017-06-22 15:20:20.000000000 -0700
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@@ -4869,7 +4869,7 @@ VASNPRINTF (DCHAR_T *resultbuf, size_t *
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#endif
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*fbp = dp->conversion;
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#if USE_SNPRINTF
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-# if !(((__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 3)) && !defined __UCLIBC__) || ((defined _WIN32 || defined __WIN32__) && ! defined __CYGWIN__))
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+# if !defined(__APPLE__) && !(((__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 3)) && !defined __UCLIBC__) || ((defined _WIN32 || defined __WIN32__) && ! defined __CYGWIN__))
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fbp[1] = '%';
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fbp[2] = 'n';
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fbp[3] = '\0';
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