1 # gl_USE_SYSTEM_EXTENSIONS
2 # ------------------------
3 # Enable extensions on systems that normally disable them,
4 # typically due to standards-conformance issues.
5 AC_DEFUN([gl_USE_SYSTEM_EXTENSIONS], [
6 AC_REQUIRE([AC_GNU_SOURCE])
7 AH_VERBATIM([__EXTENSIONS__],
8 [/* Enable extensions on Solaris. */
10 # undef __EXTENSIONS__
12 AC_BEFORE([$0], [AC_COMPILE_IFELSE])dnl
13 AC_BEFORE([$0], [AC_RUN_IFELSE])dnl
14 AC_DEFINE([__EXTENSIONS__])