diff options
Diffstat (limited to 'configure.ac')
| -rw-r--r-- | configure.ac | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/configure.ac b/configure.ac index bb81f800..575b3da3 100644 --- a/configure.ac +++ b/configure.ac @@ -285,12 +285,17 @@ AC_FUNC_MBRTOWC dnl check for dynamic linking dnl This is known to be very primitive AC_CHECK_HEADER(dlfcn.h, - [AC_DEFINE([DYNAMIC], 1, [dynamic loading is possible]) - + [ # Check this separately. Some systems have dlopen # in libc. Notably freebsd and cygwin. # HP-NSK has it in zrldsrl - AC_SEARCH_LIBS(dlopen, dl zrldsrl) + AC_SEARCH_LIBS(dlopen, dl zrldsrl, gawk_have_dlopen=yes, gawk_have_dlopen=no) + # Only do DYNAMIC if we have the lip. z/OS (some versions) have + # the header but not the lib, apparently + if test "$gawk_have_dlopen" = yes + then + AC_DEFINE([DYNAMIC], 1, [dynamic loading is possible]) + fi ]) dnl check for how to use getpgrp |