* Makefile.in (DEPMODE, DEPDIR, depcomp, COMPILE.pre)

[deliverable/binutils-gdb.git] / gdb / configure.ac

diff --git a/gdb/configure.ac b/gdb/configure.ac
index 979114318791f418df9c26b84529a075d4ad2a00..db528040d6b57f21c8463485c95c795c4312fc1a 100644 (file)
--- a/gdb/configure.ac
+++ b/gdb/configure.ac
@@ -1082,7 +1082,7 @@ AC_CHECK_HEADERS([nlist.h machine/reg.h poll.h sys/poll.h proc_service.h \
                  sys/reg.h sys/debugreg.h sys/select.h sys/syscall.h \
                  sys/types.h sys/wait.h wait.h termios.h termio.h \
                  sgtty.h unistd.h elf_hp.h locale.h \
-                 dlfcn.h sys/socket.h sys/un.h])
+                 dlfcn.h sys/socket.h sys/un.h linux/perf_event.h])
 AC_CHECK_HEADERS(link.h, [], [],
 [#if HAVE_SYS_TYPES_H
 # include <sys/types.h>
@@ -1556,9 +1556,9 @@ AC_CACHE_CHECK([for long long support in compiler], gdb_cv_c_long_long,
 [[switch (foo & 2) { case 0: return 1; }]])],
                                   gdb_cv_c_long_long=yes,
                                   gdb_cv_c_long_long=no)])
-if test $gdb_cv_c_long_long = yes; then
-  AC_DEFINE(CC_HAS_LONG_LONG, 1,
-            [Define to 1 if the compiler supports long long.])
+if test $gdb_cv_c_long_long != yes; then
+  # libdecnumber requires long long.
+  AC_MSG_ERROR([Compiler must support long long for GDB.])
 fi
 
 # Check if the compiler and runtime support printing long longs.