[openwrt/openwrt] tools/findutils: fix build on macos

[LEDE Commits]

ldir pushed a commit to openwrt/openwrt.git, branch master:
https://git.openwrt.org/96a7a4738cbda4d2abfd9a4061bbfdf5c0ac2ec0

commit 96a7a4738cbda4d2abfd9a4061bbfdf5c0ac2ec0
Author: Kevin Darbyshire-Bryant <ldir at darbyshire-bryant.me.uk>
AuthorDate: Sun Sep 5 23:28:16 2021 +0100

    tools/findutils: fix build on macos
    
    Use same fix as homebrew:
    
    https://github.com/Homebrew/homebrew-core/pull/69761
    
    Signed-off-by: Kevin Darbyshire-Bryant <ldir at darbyshire-bryant.me.uk>
---
 tools/findutils/Makefile | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/tools/findutils/Makefile b/tools/findutils/Makefile
index c40fa6efc1..37cd897355 100644
--- a/tools/findutils/Makefile
+++ b/tools/findutils/Makefile
@@ -18,6 +18,10 @@ HOST_BUILD_PARALLEL:=1
 
 include $(INCLUDE_DIR)/host-build.mk
 
+ifeq ($(HOST_OS),Darwin)
+	HOST_CFLAGS +=-D__nonnull\\(params\\)=
+endif
+
 HOST_CONFIGURE_ARGS += \
 	--enable-threads=pth \
 	--disable-rpath \