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Build lib/msun tests with compiler builtins disabled

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This forces the compiler to emit calls to libm functions, instead of
possibly substituting pre-calculated results at compile time, which
should help to actually test those functions.

Reviewed by:	emaste, arichardson, ngie
Differential Revision: https://reviews.freebsd.org/D28577
MFC after:	3 days
This commit is contained in:
Dimitry Andric 2021-02-23 21:03:32 +01:00
parent 11ba8488b8
commit cf97d2a1da
1 changed files with 4 additions and 0 deletions
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4
lib/msun/tests/Makefile
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@ -19,6 +19,10 @@ CFLAGS+= -I${TESTSRC:H}/libc/gen
CFLAGS+= -D__HAVE_LONG_DOUBLE
.endif
# Avoid builtins, to force the compiler to emit calls to the libm
# functions, and not calculate any results in advance.
CFLAGS+= -fno-builtin
NETBSD_ATF_TESTS_C= acos_test
NETBSD_ATF_TESTS_C+= asin_test
NETBSD_ATF_TESTS_C+= atan_test