diff --git a/libbacktrace/config.h.in b/libbacktrace/config.h.in index cdb416e64061..a21e2eaf5252 100644 --- a/libbacktrace/config.h.in +++ b/libbacktrace/config.h.in @@ -85,6 +85,9 @@ /* Define to 1 if you have the header file. */ #undef HAVE_SYS_LDR_H +/* Define to 1 if you have the header file. */ +#undef HAVE_SYS_LINK_H + /* Define to 1 if you have the header file. */ #undef HAVE_SYS_MMAN_H diff --git a/libbacktrace/configure b/libbacktrace/configure index 537486d34f24..705b71bd8cd1 100755 --- a/libbacktrace/configure +++ b/libbacktrace/configure @@ -13267,26 +13267,31 @@ fi # Check for dl_iterate_phdr. -for ac_header in link.h +for ac_header in link.h sys/link.h do : - ac_fn_c_check_header_mongrel "$LINENO" "link.h" "ac_cv_header_link_h" "$ac_includes_default" -if test "x$ac_cv_header_link_h" = xyes; then : + as_ac_Header=`$as_echo "ac_cv_header_$ac_header" | $as_tr_sh` +ac_fn_c_check_header_mongrel "$LINENO" "$ac_header" "$as_ac_Header" "$ac_includes_default" +if eval test \"x\$"$as_ac_Header"\" = x"yes"; then : cat >>confdefs.h <<_ACEOF -#define HAVE_LINK_H 1 +#define `$as_echo "HAVE_$ac_header" | $as_tr_cpp` 1 _ACEOF fi done -if test "$ac_cv_header_link_h" = "no"; then +if test "$ac_cv_header_link_h" = "no" -a "$ac_cv_header_sys_link_h" = "no"; then have_dl_iterate_phdr=no else if test -n "${with_target_subdir}"; then + link_h=link.h + if test "$ac_cv_header_link_h" = "no"; then + link_h=sys/link.h + fi # When built as a GCC target library, we can't do a link test. cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ -#include +#include <$link_h> _ACEOF if (eval "$ac_cpp conftest.$ac_ext") 2>&5 | diff --git a/libbacktrace/configure.ac b/libbacktrace/configure.ac index 857987a28597..1daaa2f62d21 100644 --- a/libbacktrace/configure.ac +++ b/libbacktrace/configure.ac @@ -335,13 +335,17 @@ fi AC_SUBST(BACKTRACE_USES_MALLOC) # Check for dl_iterate_phdr. -AC_CHECK_HEADERS(link.h) -if test "$ac_cv_header_link_h" = "no"; then +AC_CHECK_HEADERS(link.h sys/link.h) +if test "$ac_cv_header_link_h" = "no" -a "$ac_cv_header_sys_link_h" = "no"; then have_dl_iterate_phdr=no else if test -n "${with_target_subdir}"; then + link_h=link.h + if test "$ac_cv_header_link_h" = "no"; then + link_h=sys/link.h + fi # When built as a GCC target library, we can't do a link test. - AC_EGREP_HEADER([dl_iterate_phdr], [link.h], [have_dl_iterate_phdr=yes], + AC_EGREP_HEADER([dl_iterate_phdr], [$link_h], [have_dl_iterate_phdr=yes], [have_dl_iterate_phdr=no]) else AC_CHECK_FUNC([dl_iterate_phdr], [have_dl_iterate_phdr=yes], diff --git a/libbacktrace/elf.c b/libbacktrace/elf.c index 8b82dd458753..181d195fe355 100644 --- a/libbacktrace/elf.c +++ b/libbacktrace/elf.c @@ -40,7 +40,12 @@ POSSIBILITY OF SUCH DAMAGE. */ #include #ifdef HAVE_DL_ITERATE_PHDR -#include + #ifdef HAVE_LINK_H + #include + #endif + #ifdef HAVE_SYS_LINK_H + #include + #endif #endif #include "backtrace.h"