nexttowardl is only expected to be available with C99 math, but
20_util/to_chars/long_double.cc uses it unconditionally.
State the cmath requirement in the test.
Regstrapped on x86_64-linux-gnu, also tested with a cross to
aarch64-rtems6. Ok to install?
for libstdc++-v3/ChangeLog
* testsuite/20_util/to_chars/long_double.cc: Require cmath.
---
.../testsuite/20_util/to_chars/long_double.cc | 1 +
1 file changed, 1 insertion(+)
diff --git a/libstdc++-v3/testsuite/20_util/to_chars/long_double.cc
b/libstdc++-v3/testsuite/20_util/to_chars/long_double.cc
index 94b5b5967d374..0b1c2c2936fdc 100644
--- a/libstdc++-v3/testsuite/20_util/to_chars/long_double.cc
+++ b/libstdc++-v3/testsuite/20_util/to_chars/long_double.cc
@@ -36,6 +36,7 @@
// { dg-require-effective-target ieee_floats }
// { dg-require-effective-target size32plus }
+// { dg-require-cmath "" }
#include <charconv>
--
Alexandre Oliva, happy hacker https://FSFLA.org/blogs/lxo/
Free Software Activist GNU Toolchain Engineer
Disinformation flourishes because many people care deeply about injustice
but very few check the facts. Ask me about <https://stallmansupport.org>
