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For now, compile all of contrib/gdtoa without requiring strict aliasing,

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since it is using type punning of union members, and clang does not yet
support gcc's extensions which allow this (refer to
https://gcc.gnu.org/onlinedocs/gcc/Optimize-Options.html#Type%2dpunning
for more information).

This should fix strtod(3) return values for the lang/julia port, so it
does not fail on an assertion during its build.

PR:		216770
This commit is contained in:
dim 2017-02-13 20:13:29 +00:00
parent 875d2b08c7
commit c9f5a00ad2
1 changed files with 1 additions and 0 deletions
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lib/libc/gdtoa/Makefile.inc
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@ -17,4 +17,5 @@ MISRCS+=gdtoa_${src}
CLEANFILES+=gdtoa_${src} CLEANFILES+=gdtoa_${src}
gdtoa_${src}: ${SRCTOP}/contrib/gdtoa/${src} .NOMETA gdtoa_${src}: ${SRCTOP}/contrib/gdtoa/${src} .NOMETA
ln -sf ${.ALLSRC} ${.TARGET} ln -sf ${.ALLSRC} ${.TARGET}
CFLAGS.gdtoa_${src}+=-fno-strict-aliasing
.endfor .endfor