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| author | Joe Ramsay <Joe.Ramsay@arm.com> | 2022-11-04 13:57:18 +0000 |
|---|---|---|
| committer | Joe Ramsay <joe.ramsay@arm.com> | 2022-11-04 13:57:18 +0000 |
| commit | 617d26f6fdbeb1f2a5567869ac94642ad0c6e6fa (patch) | |
| tree | c39b923a576517c3e50e4978950452ac484bfd28 /config.mk.dist | |
| parent | 5086aa1065bc0d6d2f32051fc849d2804415b812 (diff) | |
| download | arm-optimized-routines-617d26f6fdbeb1f2a5567869ac94642ad0c6e6fa.tar.gz | |
Add WANT_ERRNO config option
This makes it easier for users to toggle errno off and on, and also
makes it possible to toggle the behaviour of our tests depending on
whether we expect errno to be set properly or not.
Diffstat (limited to 'config.mk.dist')
| -rw-r--r-- | config.mk.dist | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/config.mk.dist b/config.mk.dist index b29a9b0..25cfdca 100644 --- a/config.mk.dist +++ b/config.mk.dist @@ -69,6 +69,12 @@ ifeq ($(WANT_SVE_MATH), 1) endif math-cflags += -DWANT_SVE_MATH=$(WANT_SVE_MATH) +# If defined to 1, set errno in math functions according to ISO C. Many math +# libraries do not set errno, so this is 0 by default. It may need to be +# set to 1 if math.h has (math_errhandling & MATH_ERRNO) != 0. +WANT_ERRNO = 0 +math-cflags += -DWANT_ERRNO=$(WANT_ERRNO) + # Disable fenv checks #math-ulpflags = -q -f #math-testflags = -nostatus |