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diff --git a/gnulib_m4/signbit.m4 b/gnulib_m4/signbit.m4
index 9e7884d..ef1ed6f 100644
--- a/gnulib_m4/signbit.m4
+++ b/gnulib_m4/signbit.m4
@@ -29,12 +29,12 @@ AC_DEFUN([gl_SIGNBIT],
[gl_cv_func_signbit=yes],
[gl_cv_func_signbit=no],
[case "$host_os" in
- # Guess yes on glibc systems.
- *-gnu* | gnu*) gl_cv_func_signbit="guessing yes" ;;
- # Guess yes on native Windows.
- mingw*) gl_cv_func_signbit="guessing yes" ;;
- # If we don't know, assume the worst.
- *) gl_cv_func_signbit="guessing no" ;;
+ # Guess yes on glibc systems.
+ *-gnu* | gnu* | *musl*) gl_cv_func_signbit="guessing yes" ;;
+ # Guess yes on native Windows.
+ mingw*) gl_cv_func_signbit="guessing yes" ;;
+ # If we don't know, assume the worst.
+ *) gl_cv_func_signbit="guessing no" ;;
esac
])
])
@@ -60,17 +60,17 @@ AC_DEFUN([gl_SIGNBIT],
[gl_cv_func_signbit_gcc=yes],
[gl_cv_func_signbit_gcc=no],
[case "$host_os" in
- # Guess yes on glibc systems.
- *-gnu* | gnu*) gl_cv_func_signbit_gcc="guessing yes" ;;
- # Guess yes on mingw, no on MSVC.
- mingw*) if test -n "$GCC"; then
- gl_cv_func_signbit_gcc="guessing yes"
- else
- gl_cv_func_signbit_gcc="guessing no"
- fi
- ;;
- # If we don't know, assume the worst.
- *) gl_cv_func_signbit_gcc="guessing no" ;;
+ # Guess yes on glibc systems.
+ *-gnu* | gnu* | *musl*) gl_cv_func_signbit_gcc="guessing yes" ;;
+ # Guess yes on mingw, no on MSVC.
+ mingw*) if test -n "$GCC"; then
+ gl_cv_func_signbit_gcc="guessing yes"
+ else
+ gl_cv_func_signbit_gcc="guessing no"
+ fi
+ ;;
+ # If we don't know, assume the worst.
+ *) gl_cv_func_signbit_gcc="guessing no" ;;
esac
])
])
|
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