dhcpdump: fix build with musl
authorBaruch Siach <baruch@tkos.co.il>
Tue, 25 Aug 2015 06:32:21 +0000 (09:32 +0300)
committerThomas Petazzoni <thomas.petazzoni@free-electrons.com>
Tue, 25 Aug 2015 09:49:29 +0000 (11:49 +0200)
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>
package/dhcpdump/dhcpdump.mk

index 15fc02f845110278b02e4837720b8bd97c2d9a78..6b677a674ae6ddc62aede8c64fa3d0653e89562c 100644 (file)
@@ -16,7 +16,8 @@ DHCPDUMP_LIBS += `$(STAGING_DIR)/usr/bin/pcap-config --static --additional-libs`
 endif
 
 define DHCPDUMP_BUILD_CMDS
-       $(MAKE) -C $(@D) CC="$(TARGET_CC) $(TARGET_CFLAGS)" LIBS="$(DHCPDUMP_LIBS)"
+       $(MAKE) -C $(@D) CC="$(TARGET_CC) $(TARGET_CFLAGS) -D_GNU_SOURCE" \
+               LIBS="$(DHCPDUMP_LIBS)"
 endef
 
 define DHCPDUMP_INSTALL_TARGET_CMDS