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freebsd: link against libc

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Since the stable kernel ABI is through libc #1759
This commit is contained in:
Marcio Giaxa 2018-12-18 00:19:20 -02:00
parent 0273fbf710
commit 1fc56b82ad
3 changed files with 7 additions and 13 deletions
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2
src/analyze.cpp
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@ -6366,7 +6366,7 @@ LinkLib *add_link_lib(CodeGen *g, Buf *name) {
if (is_libc && g->libc_link_lib != nullptr)
return g->libc_link_lib;
if (g->enable_cache && is_libc && g->zig_target.os != OsMacOSX && g->zig_target.os != OsIOS) {
if (g->enable_cache && is_libc && g->zig_target.os != OsMacOSX && g->zig_target.os != OsIOS && g->zig_target.os != OsFreeBSD) {
fprintf(stderr, "TODO linking against libc is currently incompatible with `--cache on`.\n"
"Zig is not yet capable of determining whether the libc installation has changed on subsequent builds.\n");
exit(1);

3
src/codegen.cpp
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@ -178,7 +178,8 @@ CodeGen *codegen_create(Buf *root_src_path, const ZigTarget *target, OutType out
// On Darwin/MacOS/iOS, we always link libSystem which contains libc.
if (g->zig_target.os == OsMacOSX ||
g->zig_target.os == OsIOS)
g->zig_target.os == OsIOS ||
g->zig_target.os == OsFreeBSD)
{
g->libc_link_lib = create_link_lib(buf_create_from_str("c"));
g->link_libs_list.append(g->libc_link_lib);

15
std/special/bootstrap.zig
View File

@ -20,17 +20,10 @@ comptime {
nakedcc fn _start() noreturn {
switch (builtin.arch) {
builtin.Arch.x86_64 => switch (builtin.os) {
builtin.Os.freebsd => {
argc_ptr = asm ("lea (%%rdi), %[argc]"
: [argc] "=r" (-> [*]usize)
);
},
else => {
argc_ptr = asm ("lea (%%rsp), %[argc]"
: [argc] "=r" (-> [*]usize)
);
},
builtin.Arch.x86_64 => {
argc_ptr = asm ("lea (%%rsp), %[argc]"
: [argc] "=r" (-> [*]usize)
);
},
builtin.Arch.i386 => {
argc_ptr = asm ("lea (%%esp), %[argc]"