diff options
Diffstat (limited to 'configure.in')
| -rw-r--r-- | configure.in | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/configure.in b/configure.in index 3648814a9f..9e97d6113d 100644 --- a/configure.in +++ b/configure.in @@ -1220,6 +1220,12 @@ main() LINK_SO="$LINK_SO $POSTLINK" fi + AC_CACHE_CHECK(whether crt_externs.h is present for extern macro, rb_cv_crt_externs, + [AC_TRY_COMPILE([ #include <crt_externs.h> ], [return 0;], + rb_cv_crt_externs=yes, rb_cv_crt_externs=no)]) + if test "$rb_cv_crt_externs" = yes; then + AC_DEFINE(HAVE_CRT_EXTERNS_H) + fi ], [hpux*], [ LIBS="-lm $LIBS" ac_cv_c_inline=no], |