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linux: select powerpc64 speed symbols by ELF ABI #5342

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Merged
tgross35 merged 1 commit into from
Aug 4, 2026
Merged

linux: select powerpc64 speed symbols by ELF ABI #5342

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1 change: 1 addition & 0 deletions Cargo.toml
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Original file line number Diff line number Diff line change
Expand Up @@ -135,6 +135,7 @@ targets = [
"powerpc64-ibm-aix",
"powerpc64-unknown-freebsd",
"powerpc64-unknown-linux-gnu",
"powerpc64-unknown-linux-gnuelfv2",
"powerpc64-wrs-vxworks",
"riscv32-wrs-vxworks",
"riscv32gc-unknown-linux-musl",
Expand Down
10 changes: 7 additions & 3 deletions build.rs
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Expand Up @@ -30,6 +30,7 @@ const ALLOWED_CFGS: &[&str] = &[
// GNU to expose a 64-bit `time_t`.
"gnu_time_bits64",
"libc_deny_warnings",
"libc_elfv2",
// Corresponds to `__USE_TIME_BITS64` in UAPI
"linux_time_bits64",
"musl_v1_2_3",
Expand Down Expand Up @@ -92,9 +93,12 @@ fn main() {
let target_arch = env::var("CARGO_CFG_TARGET_ARCH").unwrap_or_default();
let target_abi = env::var("CARGO_CFG_TARGET_ABI").unwrap_or_default();

// FIXME(msrv): Once the MSRV is 1.78, use `cfg(target_abi = "pauthtest")`
// directly instead of translating it to `libc_pauthtest`. `target_abi`
// cannot be used directly in cfg expressions on the current MSRV.
// FIXME(msrv): Once the MSRV is 1.78, use `cfg(target_abi)` directly instead
// of translating its values. `target_abi` cannot be used directly in cfg
// expressions on the current MSRV.
if target_abi == "elfv2" {
set_cfg("libc_elfv2");
}
if target_abi == "pauthtest" {
set_cfg("libc_pauthtest");
}
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1 change: 1 addition & 0 deletions ci/verify-build.py
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Expand Up @@ -189,6 +189,7 @@ class TargetResult:
Target("powerpc-wrs-vxworks-spe", dist=False),
Target("powerpc64-ibm-aix", dist=False),
Target("powerpc64-unknown-freebsd", dist=False),
Target("powerpc64-unknown-linux-gnuelfv2", dist=False),
Target("powerpc64-wrs-vxworks", dist=False),
Target("riscv32-wrs-vxworks", dist=False),
Target("riscv32gc-unknown-linux-gnu", dist=False),
Expand Down
25 changes: 15 additions & 10 deletions src/unix/mod.rs
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Expand Up @@ -1711,7 +1711,8 @@ extern "C" {
target_os = "linux",
target_env = "gnu",
target_arch = "powerpc64",
target_endian = "big"
target_endian = "big",
not(libc_elfv2)
),
link_name = "cfgetispeed@GLIBC_2.3"
)]
Expand All @@ -1720,7 +1721,7 @@ extern "C" {
target_os = "linux",
target_env = "gnu",
target_arch = "powerpc64",
target_endian = "little"
any(target_endian = "little", libc_elfv2)
),
link_name = "cfgetispeed@GLIBC_2.17"
)]
Expand Down Expand Up @@ -1812,7 +1813,8 @@ extern "C" {
target_os = "linux",
target_env = "gnu",
target_arch = "powerpc64",
target_endian = "big"
target_endian = "big",
not(libc_elfv2)
),
link_name = "cfgetospeed@GLIBC_2.3"
)]
Expand All @@ -1821,7 +1823,7 @@ extern "C" {
target_os = "linux",
target_env = "gnu",
target_arch = "powerpc64",
target_endian = "little"
any(target_endian = "little", libc_elfv2)
),
link_name = "cfgetospeed@GLIBC_2.17"
)]
Expand Down Expand Up @@ -1913,7 +1915,8 @@ extern "C" {
target_os = "linux",
target_env = "gnu",
target_arch = "powerpc64",
target_endian = "big"
target_endian = "big",
not(libc_elfv2)
),
link_name = "cfsetispeed@GLIBC_2.3"
)]
Expand All @@ -1922,7 +1925,7 @@ extern "C" {
target_os = "linux",
target_env = "gnu",
target_arch = "powerpc64",
target_endian = "little"
any(target_endian = "little", libc_elfv2)
),
link_name = "cfsetispeed@GLIBC_2.17"
)]
Expand Down Expand Up @@ -2014,7 +2017,8 @@ extern "C" {
target_os = "linux",
target_env = "gnu",
target_arch = "powerpc64",
target_endian = "big"
target_endian = "big",
not(libc_elfv2)
),
link_name = "cfsetospeed@GLIBC_2.3"
)]
Expand All @@ -2023,7 +2027,7 @@ extern "C" {
target_os = "linux",
target_env = "gnu",
target_arch = "powerpc64",
target_endian = "little"
any(target_endian = "little", libc_elfv2)
),
link_name = "cfsetospeed@GLIBC_2.17"
)]
Expand Down Expand Up @@ -2422,7 +2426,8 @@ cfg_if! {
target_os = "linux",
target_env = "gnu",
target_arch = "powerpc64",
target_endian = "big"
target_endian = "big",
not(libc_elfv2)
),
link_name = "cfsetspeed@GLIBC_2.3"
)]
Expand All @@ -2431,7 +2436,7 @@ cfg_if! {
target_os = "linux",
target_env = "gnu",
target_arch = "powerpc64",
target_endian = "little"
any(target_endian = "little", libc_elfv2)
),
link_name = "cfsetspeed@GLIBC_2.17"
)]
Expand Down