This commit removes the Ada runtime's dependency on libutil when
targeting Linux, where the library is typically empty. Moreover, when
the runtime is built with Makefile.rtl the dependency isn't present (see
Make variable MISCLIB); this commit therefore synchronizes the GPR build
with the Makefile build.
gcc/ada/ChangeLog:
* s-oscons-tmplt.c (PTY_Library): Define empty for Linux targets.
*/
-#if defined (__FreeBSD__) || defined (__linux__) || defined (__DragonFly__)
+#if defined (__FreeBSD__) || defined (__DragonFly__)
# define PTY_Library "-lutil"
#else
# define PTY_Library ""