GCC requires a C++14 compiler these days and libcpp is entirely C++.
libcpp/ChangeLog:
PR bootstrap/112422
* config.in: Regenerate.
* configure: Regenerate.
* configure.ac: Don't search for stddef.h.
* system.h (HAVE_STDDEF_H): Delete.
Include stddef.h unconditionally.
---
libcpp/config.in | 3 ---
libcpp/configure | 3 +--
libcpp/configure.ac | 3 +--
libcpp/system.h | 4 +---
4 files changed, 3 insertions(+), 10 deletions(-)
diff --git a/libcpp/config.in b/libcpp/config.in
index bbc957d4c35d..13322ee0e7df 100644
--- a/libcpp/config.in
+++ b/libcpp/config.in
@@ -216,9 +216,6 @@
/* Define to 1 if you can assemble SSSE3 insns. */
#undef HAVE_SSSE3
-/* Define to 1 if you have the <stddef.h> header file. */
-#undef HAVE_STDDEF_H
-
/* Define to 1 if you have the <stdint.h> header file. */
#undef HAVE_STDINT_H
diff --git a/libcpp/configure b/libcpp/configure
index 7bfb8df0edc6..09cba30e599d 100755
--- a/libcpp/configure
+++ b/libcpp/configure
@@ -5426,8 +5426,7 @@ $as_echo "#define STRING_WITH_STRINGS 1" >>confdefs.h
fi
-for ac_header in locale.h fcntl.h limits.h stddef.h \
- strings.h string.h sys/file.h unistd.h
+for ac_header in locale.h fcntl.h limits.h strings.h string.h sys/file.h
unistd.h
do :
as_ac_Header=`$as_echo "ac_cv_header_$ac_header" | $as_tr_sh`
ac_fn_c_check_header_mongrel "$LINENO" "$ac_header" "$as_ac_Header"
"$ac_includes_default"
diff --git a/libcpp/configure.ac b/libcpp/configure.ac
index 1b2ef44c1185..147d28fe3d8d 100644
--- a/libcpp/configure.ac
+++ b/libcpp/configure.ac
@@ -56,8 +56,7 @@ ZW_PROG_COMPILER_DEPENDENCIES([CXX])
AC_HEADER_TIME
ACX_HEADER_STRING
-AC_CHECK_HEADERS(locale.h fcntl.h limits.h stddef.h \
- strings.h string.h sys/file.h unistd.h)
+AC_CHECK_HEADERS(locale.h fcntl.h limits.h strings.h string.h sys/file.h
unistd.h)
# Checks for typedefs, structures, and compiler characteristics.
AC_C_BIGENDIAN
diff --git a/libcpp/system.h b/libcpp/system.h
index 00c2855a1c05..e174df592205 100644
--- a/libcpp/system.h
+++ b/libcpp/system.h
@@ -24,10 +24,8 @@ along with GCC; see the file COPYING3. If not see
/* We must include stdarg.h before stdio.h. */
#include <stdarg.h>
+#include <stddef.h>
-#ifdef HAVE_STDDEF_H
-# include <stddef.h>
-#endif
#ifdef HAVE_STDINT_H
# include <stdint.h>
#endif
--
2.56.0
