https://sourceware.org/bugzilla/show_bug.cgi?id=24406
Bug ID: 24406 Summary: -Wl,--wrap= incompatible with -flto Product: binutils Version: 2.32 Status: UNCONFIRMED Severity: normal Priority: P2 Component: ld Assignee: unassigned at sourceware dot org Reporter: dilyan.palauzov at aegee dot org Target Milestone: --- This is t.c: ------------ #include <stdio.h> #include <unistd.h> ssize_t __wrap_read(int fd, void *buffer, size_t count) { printf("%s\n", (char*)buffer); return fd + count; } int main() { int i = read(1, "abc", 5); printf("%i\n", i); } ------------ I have gcc 8.3.1 20190311, ld.bfd 2.32.51.20190319, ld.gold 1.16 2.32.51.20190319 and clang 8.0.0. This works clang -flto -fuse-ld=gold -Wl,--wrap=read t.c gcc -fuse-ld=bfd -Wl,--wrap=read t.c gcc -fuse-ld=gold -Wl,--wrap=read t.c clang -fuse-ld=bfd -Wl,--wrap=read t.c clang -fuse-ld=gold -Wl,--wrap=read t.c This fails clang -flto -fuse-ld=bfd -Wl,--wrap=read t.c gcc -flto -fuse-ld=gold -Wl,--wrap=read t.c gcc -flto -fuse-ld=bfd -Wl,--wrap=read t.c -- You are receiving this mail because: You are on the CC list for the bug. _______________________________________________ bug-binutils mailing list bug-binutils@gnu.org https://lists.gnu.org/mailman/listinfo/bug-binutils