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musl [added support for reallocarray](0), but the function prototype is
declared in `stdlib.h` instead of `malloc.h`.
Update the check for reallocarray to check both in `malloc.h` and
`stdlib.h`.
[0]:https://git.musl-libc.org/cgit/musl/commit/?id=821083ac7b54eaa040d5a8ddc67c6206a175e0ca
ZV: ported to 'configure' script
diff --git a/meson.build b/meson.build
index 22a3c4c..12a10c5 100644
--- a/meson.build
+++ b/meson.build
@@ -126,7 +126,7 @@ config_h.set10('HAVE_RT_SIGQUEUEINFO', cc.has_function('rt_sigqueueinfo', prefix
#include <sys/wait.h>'''))
config_h.set('HAVE_SECURE_GETENV', cc.has_function('secure_getenv'))
config_h.set('HAVE___SECURE_GETENV', cc.has_function('__secure_getenv'))
-config_h.set10('HAVE_DECL_REALLOCARRAY', cc.has_function('reallocarray', prefix: '#include <malloc.h>'))
+config_h.set10('HAVE_DECL_REALLOCARRAY', cc.has_function('reallocarray', prefix: '#include <stdlib.h>''))
config_h.set10('HAVE_DECL_EXPLICIT_BZERO', cc.has_function('explicit_bzero', prefix: '#include <string.h>'))
config_h.set10('HAVE_DECL_MEMFD_CREATE', cc.has_function('memfd_create', prefix: '#include <sys/mman.h>'))
diff -ur a/configure b/configure
--- a/configure 2022-05-27 20:55:41.353915378 +0000
+++ b/configure 2022-05-27 20:56:56.707077218 +0000
@@ -18255,7 +18255,7 @@
ac_fn_c_check_decl "$LINENO" "reallocarray" "ac_cv_have_decl_reallocarray" "
-#include <malloc.h>
+#include <stdlib.h>
"
if test "x$ac_cv_have_decl_reallocarray" = xyes; then :
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