[PATCH] Linux: Add compatibility function fors tcgetattr, tcsetattr
Florian Weimer
fweimer@redhat.com
Mon Dec 8 18:35:58 GMT 2025
The implementations changed significantly in glibc 2.42. New
applications are expected to be rebuild against the GLIBC_2.42.1
symbols. This will allow us to change the behavior for old binaries
that cannot be relinked if we learn that the current compatibility
behavior is not appropriate for old binaries.
(build-many-glibcs.py came back clean.)
---
sysdeps/unix/sysv/linux/Versions | 4 ++++
sysdeps/unix/sysv/linux/aarch64/libc.abilist | 2 ++
sysdeps/unix/sysv/linux/alpha/libc.abilist | 2 ++
sysdeps/unix/sysv/linux/arc/libc.abilist | 2 ++
sysdeps/unix/sysv/linux/arm/be/libc.abilist | 2 ++
sysdeps/unix/sysv/linux/arm/le/libc.abilist | 2 ++
sysdeps/unix/sysv/linux/csky/libc.abilist | 2 ++
sysdeps/unix/sysv/linux/hppa/libc.abilist | 2 ++
sysdeps/unix/sysv/linux/i386/libc.abilist | 2 ++
sysdeps/unix/sysv/linux/loongarch/lp64/libc.abilist | 2 ++
sysdeps/unix/sysv/linux/m68k/coldfire/libc.abilist | 2 ++
sysdeps/unix/sysv/linux/m68k/m680x0/libc.abilist | 2 ++
sysdeps/unix/sysv/linux/microblaze/be/libc.abilist | 2 ++
sysdeps/unix/sysv/linux/microblaze/le/libc.abilist | 2 ++
sysdeps/unix/sysv/linux/or1k/libc.abilist | 2 ++
sysdeps/unix/sysv/linux/powerpc/powerpc32/fpu/libc.abilist | 2 ++
sysdeps/unix/sysv/linux/powerpc/powerpc32/nofpu/libc.abilist | 2 ++
sysdeps/unix/sysv/linux/powerpc/powerpc64/be/libc.abilist | 2 ++
sysdeps/unix/sysv/linux/powerpc/powerpc64/le/libc.abilist | 2 ++
sysdeps/unix/sysv/linux/riscv/rv32/libc.abilist | 2 ++
sysdeps/unix/sysv/linux/riscv/rv64/libc.abilist | 2 ++
sysdeps/unix/sysv/linux/s390/s390-32/libc.abilist | 2 ++
sysdeps/unix/sysv/linux/s390/s390-64/libc.abilist | 2 ++
sysdeps/unix/sysv/linux/sh/be/libc.abilist | 2 ++
sysdeps/unix/sysv/linux/sh/le/libc.abilist | 2 ++
sysdeps/unix/sysv/linux/tcgetattr.c | 5 ++++-
sysdeps/unix/sysv/linux/tcsetattr.c | 5 ++++-
sysdeps/unix/sysv/linux/x86_64/64/libc.abilist | 2 ++
sysdeps/unix/sysv/linux/x86_64/x32/libc.abilist | 2 ++
29 files changed, 64 insertions(+), 2 deletions(-)
diff --git a/sysdeps/unix/sysv/linux/Versions b/sysdeps/unix/sysv/linux/Versions
index 8f4d71ad7f..ee1a1e0e07 100644
--- a/sysdeps/unix/sysv/linux/Versions
+++ b/sysdeps/unix/sysv/linux/Versions
@@ -339,6 +339,10 @@ libc {
cfsetispeed;
cfsetspeed;
}
+ GLIBC_2.42.1 {
+ tcgetattr;
+ tcsetattr;
+ }
GLIBC_2.43 {
mseal;
}
diff --git a/sysdeps/unix/sysv/linux/aarch64/libc.abilist b/sysdeps/unix/sysv/linux/aarch64/libc.abilist
index d161d268d9..7d66744c01 100644
--- a/sysdeps/unix/sysv/linux/aarch64/libc.abilist
+++ b/sysdeps/unix/sysv/linux/aarch64/libc.abilist
@@ -2767,6 +2767,8 @@ GLIBC_2.42 uabs F
GLIBC_2.42 uimaxabs F
GLIBC_2.42 ulabs F
GLIBC_2.42 ullabs F
+GLIBC_2.42.1 tcgetattr F
+GLIBC_2.42.1 tcsetattr F
GLIBC_2.43 __memset_explicit_chk F
GLIBC_2.43 free_aligned_sized F
GLIBC_2.43 free_sized F
diff --git a/sysdeps/unix/sysv/linux/alpha/libc.abilist b/sysdeps/unix/sysv/linux/alpha/libc.abilist
index 62879b6a08..6ab529bfa0 100644
--- a/sysdeps/unix/sysv/linux/alpha/libc.abilist
+++ b/sysdeps/unix/sysv/linux/alpha/libc.abilist
@@ -3114,6 +3114,8 @@ GLIBC_2.42 uabs F
GLIBC_2.42 uimaxabs F
GLIBC_2.42 ulabs F
GLIBC_2.42 ullabs F
+GLIBC_2.42.1 tcgetattr F
+GLIBC_2.42.1 tcsetattr F
GLIBC_2.43 __memset_explicit_chk F
GLIBC_2.43 free_aligned_sized F
GLIBC_2.43 free_sized F
diff --git a/sysdeps/unix/sysv/linux/arc/libc.abilist b/sysdeps/unix/sysv/linux/arc/libc.abilist
index bd5fa65e93..17e99a6c73 100644
--- a/sysdeps/unix/sysv/linux/arc/libc.abilist
+++ b/sysdeps/unix/sysv/linux/arc/libc.abilist
@@ -2528,6 +2528,8 @@ GLIBC_2.42 uabs F
GLIBC_2.42 uimaxabs F
GLIBC_2.42 ulabs F
GLIBC_2.42 ullabs F
+GLIBC_2.42.1 tcgetattr F
+GLIBC_2.42.1 tcsetattr F
GLIBC_2.43 __memset_explicit_chk F
GLIBC_2.43 free_aligned_sized F
GLIBC_2.43 free_sized F
diff --git a/sysdeps/unix/sysv/linux/arm/be/libc.abilist b/sysdeps/unix/sysv/linux/arm/be/libc.abilist
index 7d975dafab..ecfa7f3e5b 100644
--- a/sysdeps/unix/sysv/linux/arm/be/libc.abilist
+++ b/sysdeps/unix/sysv/linux/arm/be/libc.abilist
@@ -2820,6 +2820,8 @@ GLIBC_2.42 uabs F
GLIBC_2.42 uimaxabs F
GLIBC_2.42 ulabs F
GLIBC_2.42 ullabs F
+GLIBC_2.42.1 tcgetattr F
+GLIBC_2.42.1 tcsetattr F
GLIBC_2.43 __memset_explicit_chk F
GLIBC_2.43 free_aligned_sized F
GLIBC_2.43 free_sized F
diff --git a/sysdeps/unix/sysv/linux/arm/le/libc.abilist b/sysdeps/unix/sysv/linux/arm/le/libc.abilist
index c95bbfe6df..d609fd90d3 100644
--- a/sysdeps/unix/sysv/linux/arm/le/libc.abilist
+++ b/sysdeps/unix/sysv/linux/arm/le/libc.abilist
@@ -2817,6 +2817,8 @@ GLIBC_2.42 uabs F
GLIBC_2.42 uimaxabs F
GLIBC_2.42 ulabs F
GLIBC_2.42 ullabs F
+GLIBC_2.42.1 tcgetattr F
+GLIBC_2.42.1 tcsetattr F
GLIBC_2.43 __memset_explicit_chk F
GLIBC_2.43 free_aligned_sized F
GLIBC_2.43 free_sized F
diff --git a/sysdeps/unix/sysv/linux/csky/libc.abilist b/sysdeps/unix/sysv/linux/csky/libc.abilist
index 6fc91899ff..814fcf1586 100644
--- a/sysdeps/unix/sysv/linux/csky/libc.abilist
+++ b/sysdeps/unix/sysv/linux/csky/libc.abilist
@@ -2804,6 +2804,8 @@ GLIBC_2.42 uabs F
GLIBC_2.42 uimaxabs F
GLIBC_2.42 ulabs F
GLIBC_2.42 ullabs F
+GLIBC_2.42.1 tcgetattr F
+GLIBC_2.42.1 tcsetattr F
GLIBC_2.43 __memset_explicit_chk F
GLIBC_2.43 free_aligned_sized F
GLIBC_2.43 free_sized F
diff --git a/sysdeps/unix/sysv/linux/hppa/libc.abilist b/sysdeps/unix/sysv/linux/hppa/libc.abilist
index 8a83722bf5..a841dc53a1 100644
--- a/sysdeps/unix/sysv/linux/hppa/libc.abilist
+++ b/sysdeps/unix/sysv/linux/hppa/libc.abilist
@@ -2841,6 +2841,8 @@ GLIBC_2.42 uabs F
GLIBC_2.42 uimaxabs F
GLIBC_2.42 ulabs F
GLIBC_2.42 ullabs F
+GLIBC_2.42.1 tcgetattr F
+GLIBC_2.42.1 tcsetattr F
GLIBC_2.43 __memset_explicit_chk F
GLIBC_2.43 free_aligned_sized F
GLIBC_2.43 free_sized F
diff --git a/sysdeps/unix/sysv/linux/i386/libc.abilist b/sysdeps/unix/sysv/linux/i386/libc.abilist
index 3b96177e1d..5df4f563d0 100644
--- a/sysdeps/unix/sysv/linux/i386/libc.abilist
+++ b/sysdeps/unix/sysv/linux/i386/libc.abilist
@@ -3024,6 +3024,8 @@ GLIBC_2.42 uabs F
GLIBC_2.42 uimaxabs F
GLIBC_2.42 ulabs F
GLIBC_2.42 ullabs F
+GLIBC_2.42.1 tcgetattr F
+GLIBC_2.42.1 tcsetattr F
GLIBC_2.43 __memset_explicit_chk F
GLIBC_2.43 free_aligned_sized F
GLIBC_2.43 free_sized F
diff --git a/sysdeps/unix/sysv/linux/loongarch/lp64/libc.abilist b/sysdeps/unix/sysv/linux/loongarch/lp64/libc.abilist
index bc39d18d6d..babb2b2a18 100644
--- a/sysdeps/unix/sysv/linux/loongarch/lp64/libc.abilist
+++ b/sysdeps/unix/sysv/linux/loongarch/lp64/libc.abilist
@@ -2288,6 +2288,8 @@ GLIBC_2.42 uabs F
GLIBC_2.42 uimaxabs F
GLIBC_2.42 ulabs F
GLIBC_2.42 ullabs F
+GLIBC_2.42.1 tcgetattr F
+GLIBC_2.42.1 tcsetattr F
GLIBC_2.43 __memset_explicit_chk F
GLIBC_2.43 free_aligned_sized F
GLIBC_2.43 free_sized F
diff --git a/sysdeps/unix/sysv/linux/m68k/coldfire/libc.abilist b/sysdeps/unix/sysv/linux/m68k/coldfire/libc.abilist
index b42b4fe920..35af0713c9 100644
--- a/sysdeps/unix/sysv/linux/m68k/coldfire/libc.abilist
+++ b/sysdeps/unix/sysv/linux/m68k/coldfire/libc.abilist
@@ -2800,6 +2800,8 @@ GLIBC_2.42 uabs F
GLIBC_2.42 uimaxabs F
GLIBC_2.42 ulabs F
GLIBC_2.42 ullabs F
+GLIBC_2.42.1 tcgetattr F
+GLIBC_2.42.1 tcsetattr F
GLIBC_2.43 __memset_explicit_chk F
GLIBC_2.43 free_aligned_sized F
GLIBC_2.43 free_sized F
diff --git a/sysdeps/unix/sysv/linux/m68k/m680x0/libc.abilist b/sysdeps/unix/sysv/linux/m68k/m680x0/libc.abilist
index 854bf3c149..6d6e79e6f9 100644
--- a/sysdeps/unix/sysv/linux/m68k/m680x0/libc.abilist
+++ b/sysdeps/unix/sysv/linux/m68k/m680x0/libc.abilist
@@ -2967,6 +2967,8 @@ GLIBC_2.42 uabs F
GLIBC_2.42 uimaxabs F
GLIBC_2.42 ulabs F
GLIBC_2.42 ullabs F
+GLIBC_2.42.1 tcgetattr F
+GLIBC_2.42.1 tcsetattr F
GLIBC_2.43 __memset_explicit_chk F
GLIBC_2.43 free_aligned_sized F
GLIBC_2.43 free_sized F
diff --git a/sysdeps/unix/sysv/linux/microblaze/be/libc.abilist b/sysdeps/unix/sysv/linux/microblaze/be/libc.abilist
index ab3d67bd60..a3039412f3 100644
--- a/sysdeps/unix/sysv/linux/microblaze/be/libc.abilist
+++ b/sysdeps/unix/sysv/linux/microblaze/be/libc.abilist
@@ -2853,6 +2853,8 @@ GLIBC_2.42 uabs F
GLIBC_2.42 uimaxabs F
GLIBC_2.42 ulabs F
GLIBC_2.42 ullabs F
+GLIBC_2.42.1 tcgetattr F
+GLIBC_2.42.1 tcsetattr F
GLIBC_2.43 __memset_explicit_chk F
GLIBC_2.43 free_aligned_sized F
GLIBC_2.43 free_sized F
diff --git a/sysdeps/unix/sysv/linux/microblaze/le/libc.abilist b/sysdeps/unix/sysv/linux/microblaze/le/libc.abilist
index 510b3a24d0..c7c6bb82fd 100644
--- a/sysdeps/unix/sysv/linux/microblaze/le/libc.abilist
+++ b/sysdeps/unix/sysv/linux/microblaze/le/libc.abilist
@@ -2850,6 +2850,8 @@ GLIBC_2.42 uabs F
GLIBC_2.42 uimaxabs F
GLIBC_2.42 ulabs F
GLIBC_2.42 ullabs F
+GLIBC_2.42.1 tcgetattr F
+GLIBC_2.42.1 tcsetattr F
GLIBC_2.43 __memset_explicit_chk F
GLIBC_2.43 free_aligned_sized F
GLIBC_2.43 free_sized F
diff --git a/sysdeps/unix/sysv/linux/or1k/libc.abilist b/sysdeps/unix/sysv/linux/or1k/libc.abilist
index 1a2a3673c7..65e930873c 100644
--- a/sysdeps/unix/sysv/linux/or1k/libc.abilist
+++ b/sysdeps/unix/sysv/linux/or1k/libc.abilist
@@ -2278,6 +2278,8 @@ GLIBC_2.42 uabs F
GLIBC_2.42 uimaxabs F
GLIBC_2.42 ulabs F
GLIBC_2.42 ullabs F
+GLIBC_2.42.1 tcgetattr F
+GLIBC_2.42.1 tcsetattr F
GLIBC_2.43 __memset_explicit_chk F
GLIBC_2.43 free_aligned_sized F
GLIBC_2.43 free_sized F
diff --git a/sysdeps/unix/sysv/linux/powerpc/powerpc32/fpu/libc.abilist b/sysdeps/unix/sysv/linux/powerpc/powerpc32/fpu/libc.abilist
index f00901f956..d94fb4ff06 100644
--- a/sysdeps/unix/sysv/linux/powerpc/powerpc32/fpu/libc.abilist
+++ b/sysdeps/unix/sysv/linux/powerpc/powerpc32/fpu/libc.abilist
@@ -3157,6 +3157,8 @@ GLIBC_2.42 uabs F
GLIBC_2.42 uimaxabs F
GLIBC_2.42 ulabs F
GLIBC_2.42 ullabs F
+GLIBC_2.42.1 tcgetattr F
+GLIBC_2.42.1 tcsetattr F
GLIBC_2.43 __memset_explicit_chk F
GLIBC_2.43 free_aligned_sized F
GLIBC_2.43 free_sized F
diff --git a/sysdeps/unix/sysv/linux/powerpc/powerpc32/nofpu/libc.abilist b/sysdeps/unix/sysv/linux/powerpc/powerpc32/nofpu/libc.abilist
index de23059026..f5df180a74 100644
--- a/sysdeps/unix/sysv/linux/powerpc/powerpc32/nofpu/libc.abilist
+++ b/sysdeps/unix/sysv/linux/powerpc/powerpc32/nofpu/libc.abilist
@@ -3202,6 +3202,8 @@ GLIBC_2.42 uabs F
GLIBC_2.42 uimaxabs F
GLIBC_2.42 ulabs F
GLIBC_2.42 ullabs F
+GLIBC_2.42.1 tcgetattr F
+GLIBC_2.42.1 tcsetattr F
GLIBC_2.43 __memset_explicit_chk F
GLIBC_2.43 free_aligned_sized F
GLIBC_2.43 free_sized F
diff --git a/sysdeps/unix/sysv/linux/powerpc/powerpc64/be/libc.abilist b/sysdeps/unix/sysv/linux/powerpc/powerpc64/be/libc.abilist
index 1ae78ec7ef..328feb72a5 100644
--- a/sysdeps/unix/sysv/linux/powerpc/powerpc64/be/libc.abilist
+++ b/sysdeps/unix/sysv/linux/powerpc/powerpc64/be/libc.abilist
@@ -2911,6 +2911,8 @@ GLIBC_2.42 uabs F
GLIBC_2.42 uimaxabs F
GLIBC_2.42 ulabs F
GLIBC_2.42 ullabs F
+GLIBC_2.42.1 tcgetattr F
+GLIBC_2.42.1 tcsetattr F
GLIBC_2.43 __memset_explicit_chk F
GLIBC_2.43 free_aligned_sized F
GLIBC_2.43 free_sized F
diff --git a/sysdeps/unix/sysv/linux/powerpc/powerpc64/le/libc.abilist b/sysdeps/unix/sysv/linux/powerpc/powerpc64/le/libc.abilist
index 53cb317a09..dbdded1ee6 100644
--- a/sysdeps/unix/sysv/linux/powerpc/powerpc64/le/libc.abilist
+++ b/sysdeps/unix/sysv/linux/powerpc/powerpc64/le/libc.abilist
@@ -2987,6 +2987,8 @@ GLIBC_2.42 uabs F
GLIBC_2.42 uimaxabs F
GLIBC_2.42 ulabs F
GLIBC_2.42 ullabs F
+GLIBC_2.42.1 tcgetattr F
+GLIBC_2.42.1 tcsetattr F
GLIBC_2.43 __memset_explicit_chk F
GLIBC_2.43 free_aligned_sized F
GLIBC_2.43 free_sized F
diff --git a/sysdeps/unix/sysv/linux/riscv/rv32/libc.abilist b/sysdeps/unix/sysv/linux/riscv/rv32/libc.abilist
index e6fd213d5c..179b3b6cd6 100644
--- a/sysdeps/unix/sysv/linux/riscv/rv32/libc.abilist
+++ b/sysdeps/unix/sysv/linux/riscv/rv32/libc.abilist
@@ -2531,6 +2531,8 @@ GLIBC_2.42 uabs F
GLIBC_2.42 uimaxabs F
GLIBC_2.42 ulabs F
GLIBC_2.42 ullabs F
+GLIBC_2.42.1 tcgetattr F
+GLIBC_2.42.1 tcsetattr F
GLIBC_2.43 __memset_explicit_chk F
GLIBC_2.43 free_aligned_sized F
GLIBC_2.43 free_sized F
diff --git a/sysdeps/unix/sysv/linux/riscv/rv64/libc.abilist b/sysdeps/unix/sysv/linux/riscv/rv64/libc.abilist
index 905323b889..06652cf9bb 100644
--- a/sysdeps/unix/sysv/linux/riscv/rv64/libc.abilist
+++ b/sysdeps/unix/sysv/linux/riscv/rv64/libc.abilist
@@ -2731,6 +2731,8 @@ GLIBC_2.42 uabs F
GLIBC_2.42 uimaxabs F
GLIBC_2.42 ulabs F
GLIBC_2.42 ullabs F
+GLIBC_2.42.1 tcgetattr F
+GLIBC_2.42.1 tcsetattr F
GLIBC_2.43 __memset_explicit_chk F
GLIBC_2.43 free_aligned_sized F
GLIBC_2.43 free_sized F
diff --git a/sysdeps/unix/sysv/linux/s390/s390-32/libc.abilist b/sysdeps/unix/sysv/linux/s390/s390-32/libc.abilist
index c35e099d2c..5ee73e107b 100644
--- a/sysdeps/unix/sysv/linux/s390/s390-32/libc.abilist
+++ b/sysdeps/unix/sysv/linux/s390/s390-32/libc.abilist
@@ -3155,6 +3155,8 @@ GLIBC_2.42 uabs F
GLIBC_2.42 uimaxabs F
GLIBC_2.42 ulabs F
GLIBC_2.42 ullabs F
+GLIBC_2.42.1 tcgetattr F
+GLIBC_2.42.1 tcsetattr F
GLIBC_2.43 __memset_explicit_chk F
GLIBC_2.43 free_aligned_sized F
GLIBC_2.43 free_sized F
diff --git a/sysdeps/unix/sysv/linux/s390/s390-64/libc.abilist b/sysdeps/unix/sysv/linux/s390/s390-64/libc.abilist
index 9f34c5fab3..75bb76b937 100644
--- a/sysdeps/unix/sysv/linux/s390/s390-64/libc.abilist
+++ b/sysdeps/unix/sysv/linux/s390/s390-64/libc.abilist
@@ -2948,6 +2948,8 @@ GLIBC_2.42 uabs F
GLIBC_2.42 uimaxabs F
GLIBC_2.42 ulabs F
GLIBC_2.42 ullabs F
+GLIBC_2.42.1 tcgetattr F
+GLIBC_2.42.1 tcsetattr F
GLIBC_2.43 __memset_explicit_chk F
GLIBC_2.43 free_aligned_sized F
GLIBC_2.43 free_sized F
diff --git a/sysdeps/unix/sysv/linux/sh/be/libc.abilist b/sysdeps/unix/sysv/linux/sh/be/libc.abilist
index f26980c57c..250411f72a 100644
--- a/sysdeps/unix/sysv/linux/sh/be/libc.abilist
+++ b/sysdeps/unix/sysv/linux/sh/be/libc.abilist
@@ -2847,6 +2847,8 @@ GLIBC_2.42 uabs F
GLIBC_2.42 uimaxabs F
GLIBC_2.42 ulabs F
GLIBC_2.42 ullabs F
+GLIBC_2.42.1 tcgetattr F
+GLIBC_2.42.1 tcsetattr F
GLIBC_2.43 __memset_explicit_chk F
GLIBC_2.43 free_aligned_sized F
GLIBC_2.43 free_sized F
diff --git a/sysdeps/unix/sysv/linux/sh/le/libc.abilist b/sysdeps/unix/sysv/linux/sh/le/libc.abilist
index e8ee581fa7..757b85ae59 100644
--- a/sysdeps/unix/sysv/linux/sh/le/libc.abilist
+++ b/sysdeps/unix/sysv/linux/sh/le/libc.abilist
@@ -2844,6 +2844,8 @@ GLIBC_2.42 uabs F
GLIBC_2.42 uimaxabs F
GLIBC_2.42 ulabs F
GLIBC_2.42 ullabs F
+GLIBC_2.42.1 tcgetattr F
+GLIBC_2.42.1 tcsetattr F
GLIBC_2.43 __memset_explicit_chk F
GLIBC_2.43 free_aligned_sized F
GLIBC_2.43 free_sized F
diff --git a/sysdeps/unix/sysv/linux/tcgetattr.c b/sysdeps/unix/sysv/linux/tcgetattr.c
index ca175697a3..c41f8b968e 100644
--- a/sysdeps/unix/sysv/linux/tcgetattr.c
+++ b/sysdeps/unix/sysv/linux/tcgetattr.c
@@ -65,6 +65,9 @@ compat_symbol (libc, __old_tcgetattr, tcgetattr, GLIBC_2_0);
#else
-weak_alias (__tcgetattr, tcgetattr)
+# if SHLIB_COMPAT (libc, GLIBC_2_0, GLIBC_2_42_1)
+compat_symbol (libc, __tcgetattr, tcgetattr, GLIBC_2_0);
+# endif
+versioned_symbol (libc, __tcgetattr, tcgetattr, GLIBC_2_42_1);
#endif
diff --git a/sysdeps/unix/sysv/linux/tcsetattr.c b/sysdeps/unix/sysv/linux/tcsetattr.c
index cf12e15169..495913af35 100644
--- a/sysdeps/unix/sysv/linux/tcsetattr.c
+++ b/sysdeps/unix/sysv/linux/tcsetattr.c
@@ -104,6 +104,9 @@ compat_symbol (libc, __old_tcsetattr, tcsetattr, GLIBC_2_0);
#else
-weak_alias (__tcsetattr, tcsetattr)
+# if SHLIB_COMPAT (libc, GLIBC_2_0, GLIBC_2_42_1)
+compat_symbol (libc, __tcsetattr, tcsetattr, GLIBC_2_0);
+# endif
+versioned_symbol (libc, __tcsetattr, tcsetattr, GLIBC_2_42_1);
#endif
diff --git a/sysdeps/unix/sysv/linux/x86_64/64/libc.abilist b/sysdeps/unix/sysv/linux/x86_64/64/libc.abilist
index 85533e9c07..4f0a50d6b0 100644
--- a/sysdeps/unix/sysv/linux/x86_64/64/libc.abilist
+++ b/sysdeps/unix/sysv/linux/x86_64/64/libc.abilist
@@ -2763,6 +2763,8 @@ GLIBC_2.42 uabs F
GLIBC_2.42 uimaxabs F
GLIBC_2.42 ulabs F
GLIBC_2.42 ullabs F
+GLIBC_2.42.1 tcgetattr F
+GLIBC_2.42.1 tcsetattr F
GLIBC_2.43 __memset_explicit_chk F
GLIBC_2.43 free_aligned_sized F
GLIBC_2.43 free_sized F
diff --git a/sysdeps/unix/sysv/linux/x86_64/x32/libc.abilist b/sysdeps/unix/sysv/linux/x86_64/x32/libc.abilist
index 2b2a351150..e5b06f6991 100644
--- a/sysdeps/unix/sysv/linux/x86_64/x32/libc.abilist
+++ b/sysdeps/unix/sysv/linux/x86_64/x32/libc.abilist
@@ -2782,6 +2782,8 @@ GLIBC_2.42 uabs F
GLIBC_2.42 uimaxabs F
GLIBC_2.42 ulabs F
GLIBC_2.42 ullabs F
+GLIBC_2.42.1 tcgetattr F
+GLIBC_2.42.1 tcsetattr F
GLIBC_2.43 __memset_explicit_chk F
GLIBC_2.43 free_aligned_sized F
GLIBC_2.43 free_sized F
base-commit: f56a71097f39f2737e76b3807201a4028e06c611
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