| # gl_USE_SYSTEM_EXTENSIONS | |
| # ------------------------ | |
| # Enable extensions on systems that normally disable them, | |
| # typically due to standards-conformance issues. | |
| AC_DEFUN([gl_USE_SYSTEM_EXTENSIONS], [ | |
| AC_REQUIRE([AC_GNU_SOURCE]) | |
| AH_VERBATIM([__EXTENSIONS__], | |
| [/* Enable extensions on Solaris. */ | |
| #ifndef __EXTENSIONS__ | |
| # undef __EXTENSIONS__ | |
| #endif]) | |
| AC_BEFORE([$0], [AC_COMPILE_IFELSE])dnl | |
| AC_BEFORE([$0], [AC_RUN_IFELSE])dnl | |
| AC_DEFINE([__EXTENSIONS__]) | |
| ]) |