elfutils: fix build and enable on non-linux systems

Use gnulib for compatibility

Signed-off-by: Felix Fietkau <[email protected]>

tools/Makefile

@@ -39,6 +39,7 @@ tools-y += cmake
 tools-y += cpio
 tools-y += dosfstools
 tools-y += e2fsprogs
+tools-y += elfutils
 tools-y += expat
 tools-y += fakeroot
 tools-y += findutils
@@ -95,6 +96,7 @@ $(curdir)/cbootimage/compile += $(curdir)/automake/compile
 $(curdir)/cmake/compile += $(curdir)/libressl/compile $(curdir)/ninja/compile $(curdir)/expat/compile $(curdir)/xz/compile $(curdir)/zlib/compile $(curdir)/zstd/compile
 $(curdir)/dosfstools/compile := $(curdir)/automake/compile
 $(curdir)/e2fsprogs/compile := $(curdir)/libtool/compile
+$(curdir)/elfutils/compile := $(curdir)/m4/compile $(curdir)/zlib/compile $(curdir)/gnulib/compile
 $(curdir)/fakeroot/compile := $(curdir)/libtool/compile
 $(curdir)/findutils/compile := $(curdir)/bison/compile
 $(curdir)/firmware-utils/compile += $(curdir)/cmake/compile
@@ -137,9 +139,7 @@ ifeq ($(HOST_OS),Darwin)
   tools-y += bash
 else
   $(curdir)/dwarves/compile += $(curdir)/elfutils/compile
-  $(curdir)/elfutils/compile := $(curdir)/m4/compile $(curdir)/zlib/compile
   tools-$(if $(CONFIG_BUILD_ALL_HOST_TOOLS)$(CONFIG_DWARVES),y) += dwarves
-  tools-y += elfutils
 endif
 
 ifneq ($(CONFIG_CCACHE)$(CONFIG_SDK),)

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)