dhcpdump: fix build with musl
muls exposes udphdr Linux member names only when _GNU_SOURCE is defined. Fixes: http://autobuild.buildroot.net/results/dc2/dc2902b758faa7bcfed44cca5fa73aeffdf284ae/ http://autobuild.buildroot.net/results/432/43214b5f7d9e5881fbeba7203ee7fcfc6386a492/ http://autobuild.buildroot.net/results/291/29100641731904b50d73af7cf2db08847fe1567a/ and more. Signed-off-by: Baruch Siach <baruch@tkos.co.il> Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
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@ -16,7 +16,8 @@ DHCPDUMP_LIBS += `$(STAGING_DIR)/usr/bin/pcap-config --static --additional-libs`
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endif
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define DHCPDUMP_BUILD_CMDS
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$(MAKE) -C $(@D) CC="$(TARGET_CC) $(TARGET_CFLAGS)" LIBS="$(DHCPDUMP_LIBS)"
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$(MAKE) -C $(@D) CC="$(TARGET_CC) $(TARGET_CFLAGS) -D_GNU_SOURCE" \
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LIBS="$(DHCPDUMP_LIBS)"
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endef
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define DHCPDUMP_INSTALL_TARGET_CMDS
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