define HAVE_GAS_ALIGNED_COMM

HAVE_GAS_ALIGNED_COMM is referenced in an initializer in cygming.opt,
but it's not guaranteed to be defined by configure, so define it to
zero in a cygming-specific header if it's not defined.

for  gcc/ChangeLog

	* cygming.h (HAVE_GAS_ALIGNED_COMM): Fallback-define.

From-SVN: r265129

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index ac0106144596760b9fc3bdb5dcec9447158fbbb4..bc6efa74e236c1fb6a97aa2885e226809085cd01 100644 (file)
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,7 @@
+2018-10-12  Alexandre Oliva <oliva@adacore.com>
+
+       * cygming.h (HAVE_GAS_ALIGNED_COMM): Fallback-define.
+
 2018-10-12  Peter Bergner  <bergner@linux.ibm.com>
 
        PR rtl-optimization/87600

diff --git a/gcc/config/i386/cygming.h b/gcc/config/i386/cygming.h
index cfe563f47af0b85dd53e93a6bb5575a7f146c4f5..d7c7dd7057bf600ba7a678b0fdc7af4a30f02ca7 100644 (file)
--- a/gcc/config/i386/cygming.h
+++ b/gcc/config/i386/cygming.h
@@ -488,3 +488,7 @@ do {                                                \
 
 /* Static stack checking is supported by means of probes.  */
 #define STACK_CHECK_STATIC_BUILTIN 1
+
+#ifndef HAVE_GAS_ALIGNED_COMM
+# define HAVE_GAS_ALIGNED_COMM 0
+#endif