编译warning

[GPF199541]

gcc -Wall -Wmissing-prototypes -Wpointer-arith -Wdeclaration-after-statement -Werror=vla -Wendif-labels -Wmissing-format-attribute -Wimplicit-fallthrough=3 -Wformat-security -fno-strict-aliasing -fwrapv -fexcess-precision=standard -Wno-format-truncation -O2 -fPIC -std=c99 -Wno-error=maybe-uninitialized -Wno-declaration-after-statement -I. -I./ -I/opt/pgsql/include/server -I/opt/pgsql/include/internal -D_GNU_SOURCE -I/usr/include/libxml2 -c -o roaringbitmap.o roaringbitmap.c In file included from roaringbitmap.h:99:0, from roaringbitmap.c:1: roaring.c:3785:5: warning: no previous prototype for ‘bitset_container_union_nocard’ [-Wmissing-prototypes] int bitsetcontainer##opname##_nocard(const bitset_container_t src_1, \ ^ roaring.c:3815:1: note: in expansion of macro ‘BITSET_CONTAINER_FN’ BITSET_CONTAINER_FN(union, |, _mm256_or_si256, vorrq_u64) ^~~~~~~ roaring.c:3785:5: warning: no previous prototype for ‘bitset_container_intersection_nocard’ [-Wmissing-prototypes] int bitsetcontainer##opname##_nocard(const bitset_container_t src_1, \ ^ roaring.c:3819:1: note: in expansion of macro ‘BITSET_CONTAINER_FN’ BITSET_CONTAINER_FN(intersection, &, _mm256_and_si256, vandq_u64) ^~~~~~~ In file included from roaringbitmap.h:99:0, from roaringbitmap.c:1: roaring.c:10821:7: warning: no previous prototype for ‘ra_get_container’ [-Wmissing-prototypes] void ra_get_container(roaring_array_t ra, uint16_t x, uint8_t typecode) { ^~~~ roaring.c:10831:7: warning: no previous prototype for ‘ra_get_writable_container’ [-Wmissing-prototypes] void ra_get_writable_container(roaring_array_t ra, uint16_t x, ^~~~~~~~~ roaring.c:10839:7: warning: no previous prototype for ‘ra_get_writable_container_at_index’ [-Wmissing-prototypes] void ra_get_writable_container_at_index(roaring_array_t ra, uint16_t i, ^~~~~~~~~~ roaring.c:10944:8: warning: no previous prototype for ‘ra_size_in_bytes’ [-Wmissing-prototypes] size_t ra_size_in_bytes(roaring_array_t ra) { ^~~~ gcc -Wall -Wmissing-prototypes -Wpointer-arith -Wdeclaration-after-statement -Werror=vla -Wendif-labels -Wmissing-format-attribute -Wimplicit-fallthrough=3 -Wformat-security -fno-strict-aliasing -fwrapv -fexcess-precision=standard -Wno-format-truncation -O2 -fPIC -shared -o roaringbitmap.so roaringbitmap.o -L/opt/pgsql/lib -L/usr/lib64/llvm5.0/lib -Wl,--as-needed -Wl,-rpath,'/opt/pgsql/lib',--enable-new-dtags
/opt/rh/llvm-toolset-7/root/usr/bin/clang -Wno-ignored-attributes -fno-strict-aliasing -fwrapv -Wno-unused-command-line-argument -O2 -I. -I./ -I/opt/pgsql/include/server -I/opt/pgsql/include/internal -D_GNU_SOURCE -I/usr/include/libxml2 -flto=thin -emit-llvm -c -o roaringbitmap.bc roaringbitmap.c

版本15.2,gcc 7.3.1 这个报warning有影响么

[ChenHuajun]

不影响，可以屏蔽告警