From e1f07131e2d88b08f75ffea2a8dcfb16607629aa Mon Sep 17 00:00:00 2001
From: Nathan Sidwell <nathan@acm.org>
Date: Thu, 19 Nov 2020 08:55:01 -0800
Subject: config: Add tests for modules-desired features

this adds configure tests for features that modules can take advantage
of -- and if they are not present has reduced or fallback functionality.

	gcc/
	* configure.ac: Add tests for fstatat, sighandler_t, O_CLOEXEC,
	unix-domain and ipv6 sockets.
	* config.in: Rebuilt.
	* configure: Rebuilt.
---
 gcc/config.in | 60 +++++++++++++++++++++++++++++++++++++++++++++++------------
 1 file changed, 48 insertions(+), 12 deletions(-)

(limited to 'gcc/config.in')

diff --git a/gcc/config.in b/gcc/config.in
index 6fae7b769b8..3221dae411c 100644
--- a/gcc/config.in
+++ b/gcc/config.in
@@ -302,6 +302,18 @@
 #endif
 
 
+/* Define if AF_INET6 supported. */
+#ifndef USED_FOR_TARGET
+#undef HAVE_AF_INET6
+#endif
+
+
+/* Define if AF_UNIX supported. */
+#ifndef USED_FOR_TARGET
+#undef HAVE_AF_UNIX
+#endif
+
+
 /* Define if your assembler supports architecture modifiers. */
 #ifndef USED_FOR_TARGET
 #undef HAVE_AS_ARCHITECTURE_MODIFIERS
@@ -564,12 +576,24 @@
 #endif
 
 
+/* Define if the assembler understands -march=rv*_zifencei. */
+#ifndef USED_FOR_TARGET
+#undef HAVE_AS_MARCH_ZIFENCEI
+#endif
+
+
 /* Define if your assembler supports mfcr field. */
 #ifndef USED_FOR_TARGET
 #undef HAVE_AS_MFCRF
 #endif
 
 
+/* Define if the assembler understands -misa-spec=. */
+#ifndef USED_FOR_TARGET
+#undef HAVE_AS_MISA_SPEC
+#endif
+
+
 /* Define if your Mac OS X assembler supports the -mmacos-version-min option.
    */
 #ifndef USED_FOR_TARGET
@@ -643,18 +667,6 @@
 #endif
 
 
-/* Define if your assembler supports -misa-spec=. */
-#ifndef USED_FOR_TARGET
-#undef HAVE_AS_MISA_SPEC
-#endif
-
-
-/* Define if your assembler supports -march=rv*_zifencei. */
-#ifndef USED_FOR_TARGET
-#undef HAVE_AS_MARCH_ZIFENCEI
-#endif
-
-
 /* Define if your assembler supports relocs needed by -fpic. */
 #ifndef USED_FOR_TARGET
 #undef HAVE_AS_SMALL_PIC_RELOCS
@@ -1265,6 +1277,12 @@
 #endif
 
 
+/* Define to 1 if you have the `fstatat' function. */
+#ifndef USED_FOR_TARGET
+#undef HAVE_FSTATAT
+#endif
+
+
 /* Define to 1 if you have the <ftw.h> header file. */
 #ifndef USED_FOR_TARGET
 #undef HAVE_FTW_H
@@ -1770,6 +1788,12 @@
 #endif
 
 
+/* Define to 1 if you have the `posix_fallocate' function. */
+#ifndef USED_FOR_TARGET
+#undef HAVE_POSIX_FALLOCATE
+#endif
+
+
 /* Define to 1 if you have the `putchar_unlocked' function. */
 #ifndef USED_FOR_TARGET
 #undef HAVE_PUTCHAR_UNLOCKED
@@ -1794,6 +1818,12 @@
 #endif
 
 
+/* Define if <sys/signal.h> defines sighandler_t */
+#ifndef USED_FOR_TARGET
+#undef HAVE_SIGHANDLER_T
+#endif
+
+
 /* Define if the system-provided CRTs are present on Solaris. */
 #ifndef USED_FOR_TARGET
 #undef HAVE_SOLARIS_CRTS
@@ -2033,6 +2063,12 @@
 #endif
 
 
+/* Define if O_CLOEXEC supported by fcntl. */
+#ifndef USED_FOR_TARGET
+#undef HOST_HAS_O_CLOEXEC
+#endif
+
+
 /* Define as const if the declaration of iconv() needs const. */
 #ifndef USED_FOR_TARGET
 #undef ICONV_CONST
-- 
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