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author | Érico Rolim <erico.erc@gmail.com> | 2021-02-01 21:16:56 -0300 |
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committer | Mark Wielaard <mark@klomp.org> | 2021-02-05 15:36:25 +0100 |
commit | 8db222e36ae777e6aec8c61c616838a86258e99f (patch) | |
tree | e626106aa1745aabfb1df3a135f4dcf24caf8aa3 /configure.ac | |
parent | eb922a1b8f3a7b1d9740bc789fdf499637ded111 (diff) | |
download | elfutils-8db222e36ae777e6aec8c61c616838a86258e99f.tar.gz |
libdwfl: use GNU strerror_r only when available.
Some C libraries don't provide the GNU version of strerror_r, only the
XSI-compliant one. We use the GNU version when available, since it fits
the code better, and otherwise use the XSI-compliant one.
https://sourceware.org/bugzilla/show_bug.cgi?id=21010
Signed-off-by: Érico Rolim <erico.erc@gmail.com>
Diffstat (limited to 'configure.ac')
-rw-r--r-- | configure.ac | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/configure.ac b/configure.ac index 346ab800..47db8472 100644 --- a/configure.ac +++ b/configure.ac @@ -428,6 +428,11 @@ AC_CHECK_DECLS([mempcpy],[],[], AC_CHECK_FUNCS([process_vm_readv]) +old_CFLAGS="$CFLAGS" +CFLAGS="$CFLAGS -D_GNU_SOURCE" +AC_FUNC_STRERROR_R() +CFLAGS="$old_CFLAGS" + AC_CHECK_LIB([stdc++], [__cxa_demangle], [dnl AC_DEFINE([USE_DEMANGLE], [1], [Defined if demangling is enabled])]) AM_CONDITIONAL(DEMANGLE, test "x$ac_cv_lib_stdcpp___cxa_demangle" = "xyes") |