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| author | Ian Lance Taylor <iant@golang.org> | 2017-09-22 13:38:10 +0000 |
|---|---|---|
| committer | Ian Lance Taylor <ian@gcc.gnu.org> | 2017-09-22 13:38:10 +0000 |
| commit | 8c2ea6b20a48d626d3dae78ac177affb7f67e182 (patch) | |
| tree | 45668dec72f6f6dbdf72fb967ca86b70695798e0 /libbacktrace/configure | |
| parent | 4d6e2f33a437fc6ead8218bf5f0e2cdb3e834d9e (diff) | |
| download | gcc-8c2ea6b20a48d626d3dae78ac177affb7f67e182.tar.gz | |
re PR sanitizer/77631 (no symbols in backtrace shown by ASan when debug info is split)
PR sanitizer/77631
* configure.ac: Check for lstat and readlink.
* elf.c (lstat, readlink): Provide dummy versions if real versions
are not available.
* configure, config.h.in: Rebuild.
From-SVN: r253095
Diffstat (limited to 'libbacktrace/configure')
| -rwxr-xr-x | libbacktrace/configure | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/libbacktrace/configure b/libbacktrace/configure index 3ef933110c0..660a7786d76 100755 --- a/libbacktrace/configure +++ b/libbacktrace/configure @@ -12708,6 +12708,19 @@ cat >>confdefs.h <<_ACEOF #define HAVE_DECL_STRNLEN $ac_have_decl _ACEOF +for ac_func in lstat readlink +do : + as_ac_var=`$as_echo "ac_cv_func_$ac_func" | $as_tr_sh` +ac_fn_c_check_func "$LINENO" "$ac_func" "$as_ac_var" +eval as_val=\$$as_ac_var + if test "x$as_val" = x""yes; then : + cat >>confdefs.h <<_ACEOF +#define `$as_echo "HAVE_$ac_func" | $as_tr_cpp` 1 +_ACEOF + +fi +done + # Check for getexecname function. if test -n "${with_target_subdir}"; then |