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| author | H.J. Lu <hjl.tools@gmail.com> | 2024-04-23 13:59:50 -0700 |
|---|---|---|
| committer | H.J. Lu <hjl.tools@gmail.com> | 2024-04-24 04:50:56 -0700 |
| commit | 46c999741340ea559784c20a45077955b50aca43 (patch) | |
| tree | 0884060cb97799eb444d0a3659e2709b6d5c683f /sysdeps/x86/configure.ac | |
| parent | 095067efdf68c8061d6f99a21a0300841bede999 (diff) | |
| download | glibc-46c999741340ea559784c20a45077955b50aca43.tar.gz glibc-46c999741340ea559784c20a45077955b50aca43.tar.xz glibc-46c999741340ea559784c20a45077955b50aca43.zip | |
x86: Define MINIMUM_X86_ISA_LEVEL in config.h [BZ #31676]
Define MINIMUM_X86_ISA_LEVEL at configure time to avoid /usr/bin/ld: …/build/elf/librtld.os: in function `init_cpu_features': …/git/elf/../sysdeps/x86/cpu-features.c:1202: undefined reference to `_dl_runtime_resolve_fxsave' /usr/bin/ld: …/build/elf/librtld.os: relocation R_X86_64_PC32 against undefined hidden symbol `_dl_runtime_resolve_fxsave' can not be used when making a shared object /usr/bin/ld: final link failed: bad value collect2: error: ld returned 1 exit status when glibc is built with -march=x86-64-v3 and configured with --with-rtld-early-cflags=-march=x86-64, which is used to allow ld.so to print an error message on unsupported CPUs: Fatal glibc error: CPU does not support x86-64-v3 This fixes BZ #31676. Reviewed-by: Sunil K Pandey <skpgkp2@gmail.com>
Diffstat (limited to 'sysdeps/x86/configure.ac')
| -rw-r--r-- | sysdeps/x86/configure.ac | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/sysdeps/x86/configure.ac b/sysdeps/x86/configure.ac index 78ff7c8f41..5b0acd03d2 100644 --- a/sysdeps/x86/configure.ac +++ b/sysdeps/x86/configure.ac @@ -105,6 +105,11 @@ EOF else libc_cv_have_x86_isa_level=baseline fi +if test $libc_cv_have_x86_isa_level = baseline; then + AC_DEFINE_UNQUOTED(MINIMUM_X86_ISA_LEVEL, 1) +else + AC_DEFINE_UNQUOTED(MINIMUM_X86_ISA_LEVEL, $libc_cv_have_x86_isa_level) +fi LIBC_CONFIG_VAR([have-x86-isa-level], [$libc_cv_have_x86_isa_level]) LIBC_CONFIG_VAR([x86-isa-level-3-or-above], [3 4]) LIBC_CONFIG_VAR([enable-x86-isa-level], [$libc_cv_include_x86_isa_level]) |