mirror of
https://github.com/clangd/clangd.git
synced 2025-04-22 08:33:00 +00:00
cb1cfd5a92
- Use container: ubuntu:20.04 instead of container: ubuntu:18.04. - Add `exp` to `lib_compat.h` to solve the GLIBC 2.29 dependency issue. Fixes https://github.com/clangd/clangd/issues/2244
22 lines
900 B
C
22 lines
900 B
C
// This header forces the use of a particular version of glibc symbols.
|
|
// This can make the resulting binary portable to systems with older glibcs.
|
|
//
|
|
// It must be included in each TU, with CFLAGS="-include glibc_compat.h" etc.
|
|
//
|
|
// We only list symbols known to be used. This is paired with a test enforcing
|
|
// the max glibc symbol version. If the test fails, the list should be extended.
|
|
// Find the old alternatives version to target with e.g.:
|
|
// objdump -T /lib/x86_64-linux-gnu/lib{c,m,pthread,rt}.so.* | grep "\bexpf\b"
|
|
|
|
#define FORCE_SYMBOL_VERSION(sym, version) \
|
|
__asm__(".symver " #sym "," #sym "@" #version)
|
|
|
|
FORCE_SYMBOL_VERSION(exp2, GLIBC_2.2.5);
|
|
FORCE_SYMBOL_VERSION(expf, GLIBC_2.2.5);
|
|
FORCE_SYMBOL_VERSION(log, GLIBC_2.2.5);
|
|
FORCE_SYMBOL_VERSION(log2, GLIBC_2.2.5);
|
|
FORCE_SYMBOL_VERSION(pow, GLIBC_2.2.5);
|
|
FORCE_SYMBOL_VERSION(exp, GLIBC_2.2.5);
|
|
|
|
#undef FORCE_SYMBOL_VERSION
|