elfutils: fix build and enable on non-linux systems

Use gnulib for compatibility

Signed-off-by: Felix Fietkau <nbd@nbd.name>

tools/elfutils/Makefile

@@ -19,16 +19,32 @@ PKG_INSTALL:=1
 
 include $(INCLUDE_DIR)/host-build.mk
 
+ifeq ($(HOST_OS),Darwin)
+  HOST_CFLAGS += -I/opt/homebrew/include
+endif
+
+HOST_CFLAGS += -Wno-error
+
 HOST_CONFIGURE_ARGS += \
+	--without-libintl-prefix \
+	--without-libiconv-prefix \
 	--disable-debuginfod \
 	--disable-libdebuginfod \
 	--disable-nls \
 	--disable-shared \
+	--enable-static \
 	--without-lzma \
 	--without-zstd
 
-HOST_MAKE_FLAGS += \
-	SUBDIRS="lib libelf libcpu backends libebl libdwelf libdwfl libdw"
+ifeq ($(HOST_OS),Darwin)
+  HOST_CONFIGURE_ARGS += --disable-symbol-versioning
+endif
+
+Hooks/HostConfigure/Pre := Host/Gnulib $(Hooks/HostConfigure/Pre)
+define Host/Gnulib
+	cd $(HOST_BUILD_DIR); $(STAGING_DIR_HOST)/bin/gnulib-tool --libtool --source-base=libgnu --import argp obstack fts strchrnul progname tsearch;
+	ln -sf ../lib/eu-config.h $(HOST_BUILD_DIR)/libgnu/;
+endef
 
 define Host/Uninstall
 	-$(call Host/Compile/Default,uninstall)