Hello! Could anybody help me with this issue? :(
In this file widely used enum forward declarations which completely incompatible with C++ and need some rewrite. On Wed, Apr 29, 2015 at 3:17 PM, Pavel Odintsov <pavel.odintsov at gmail.com> wrote: > Hello! > > I have C++ application compiles and works nice. But when I include > rte_hash_crc.h header everything goes away. > > CC main.o > In file included from > /usr/src/dpdk-2.0.0/x86_64-native-linuxapp-gcc/include/rte_cpuflags.h:46:0, > from > /usr/src/dpdk-2.0.0/x86_64-native-linuxapp-gcc/include/rte_hash_crc.h:48, > from /root/interceptor/main.cpp:25: > /usr/src/dpdk-2.0.0/x86_64-native-linuxapp-gcc/include/generic/rte_cpuflags.h:50:6: > error: use of enum ?rte_cpu_flag_t? without previous declaration > enum rte_cpu_flag_t; > ^ > /usr/src/dpdk-2.0.0/x86_64-native-linuxapp-gcc/include/generic/rte_cpuflags.h:55:6: > error: use of enum ?cpu_register_t? without previous declaration > enum cpu_register_t; > ^ > /usr/src/dpdk-2.0.0/x86_64-native-linuxapp-gcc/include/generic/rte_cpuflags.h:79:35: > error: uninitialized const ?cpu_feature_table? [-fpermissive] > static const struct feature_entry cpu_feature_table[]; > ^ > /usr/src/dpdk-2.0.0/x86_64-native-linuxapp-gcc/include/generic/rte_cpuflags.h:64:8: > note: ?const struct feature_entry? has no user-provided default > constructor > struct feature_entry { > ^ > /usr/src/dpdk-2.0.0/x86_64-native-linuxapp-gcc/include/generic/rte_cpuflags.h:65:11: > note: and the implicitly-defined constructor does not initialize > ?uint32_t feature_entry::leaf? > uint32_t leaf; /**< cpuid leaf */ > ^ > /usr/src/dpdk-2.0.0/x86_64-native-linuxapp-gcc/include/generic/rte_cpuflags.h:79:53: > error: storage size of ?cpu_feature_table? isn?t known > static const struct feature_entry cpu_feature_table[]; > ^ > /usr/src/dpdk-2.0.0/x86_64-native-linuxapp-gcc/include/generic/rte_cpuflags.h:101:31: > error: use of enum ?rte_cpu_flag_t? without previous declaration > rte_cpu_get_flag_enabled(enum rte_cpu_flag_t feature); > ^ > In file included from > /usr/src/dpdk-2.0.0/x86_64-native-linuxapp-gcc/include/rte_hash_crc.h:48:0, > from /root/interceptor/main.cpp:25: > /usr/src/dpdk-2.0.0/x86_64-native-linuxapp-gcc/include/rte_cpuflags.h: > In function ?int rte_cpu_get_flag_enabled(rte_cpu_flag_t)?: > /usr/src/dpdk-2.0.0/x86_64-native-linuxapp-gcc/include/rte_cpuflags.h:278:53: > error: conflicting declaration of C function ?int > rte_cpu_get_flag_enabled(rte_cpu_flag_t)? > rte_cpu_get_flag_enabled(enum rte_cpu_flag_t feature) > ^ > In file included from > /usr/src/dpdk-2.0.0/x86_64-native-linuxapp-gcc/include/rte_cpuflags.h:46:0, > from > /usr/src/dpdk-2.0.0/x86_64-native-linuxapp-gcc/include/rte_hash_crc.h:48, > from /root/interceptor/main.cpp:25: > /usr/src/dpdk-2.0.0/x86_64-native-linuxapp-gcc/include/generic/rte_cpuflags.h:101:1: > note: previous declaration ?int rte_cpu_get_flag_enabled(int)? > rte_cpu_get_flag_enabled(enum rte_cpu_flag_t feature); > ^ > /usr/src/dpdk-2.0.0/mk/internal/rte.compile-pre.mk:145: recipe for > target 'main.o' failed > make[1]: *** [main.o] Error 1 > /usr/src/dpdk-2.0.0/mk/rte.extapp.mk:42: recipe for target 'all' failed > make: *** [all] Error 2 > > I prepared my environment with this manual: > http://www.stableit.ru/2015/04/how-to-code-for-dpdk-with-c.html > > Could anybody help me with this header file and C++? > > -- > Sincerely yours, Pavel Odintsov -- Sincerely yours, Pavel Odintsov