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], [
7 AC_REQUIRE([AC_GNU_SOURCE])
9 AH_VERBATIM([__EXTENSIONS__],
10 [/* Enable extensions on Solaris. */
11 #ifndef __EXTENSIONS__
12 # undef __EXTENSIONS__
14 AC_BEFORE([$0], [AC_COMPILE_IFELSE])dnl
15 AC_BEFORE([$0], [AC_RUN_IFELSE])dnl
16 AC_DEFINE([__EXTENSIONS__])