PR libstdc++/90770 fix missing src/debug/Makefile

	PR libstdc++/90770
	* configure: Regenerate.
	* src/Makefile.am (stamp-debug): Also test for missing makefile.
	* src/Makefile.in: Regenerate.

From-SVN: r272050

libstdc++-v3/ChangeLog

+2019-06-07  Jonathan Wakely  <jwakely@redhat.com>
+
+	PR libstdc++/90770
+	* configure: Regenerate.
+	* src/Makefile.am (stamp-debug): Also test for missing makefile.
+	* src/Makefile.in: Regenerate.
+
 2019-06-06  Jonathan Wakely  <jwakely@redhat.com>
 
 	* include/std/array: Do not include <stdexcept>.

libstdc++-v3/configure

@@ -79874,7 +79874,7 @@ $as_echo "$ac_cv_x86_rdrand" >&6; }
 
   { $as_echo "$as_me:${as_lineno-$LINENO}: checking for rdseed support in assembler" >&5
 $as_echo_n "checking for rdseed support in assembler... " >&6; }
-  if test "${ac_cv_x86_rdseed+set}" = set; then :
+  if ${ac_cv_x86_rdseed+:} false; then :
   $as_echo_n "(cached) " >&6
 else
 

libstdc++-v3/src/Makefile.am

@@ -325,7 +325,7 @@ endif
 # Take care to fix all possibly-relative paths.
 debugdir = ${glibcxx_builddir}/src/debug
 stamp-debug:
-	if test ! -d ${debugdir}; then \
+	if test ! -d ${debugdir} || test ! -f ${debugdir}/Makefile ; then \
 	  mkdir -p ${debugdir}; \
 	  for d in $(SUBDIRS); do mkdir -p  ${debugdir}/$$d; done; \
 	  (cd ${debugdir}; \

libstdc++-v3/src/Makefile.in

@@ -1047,7 +1047,7 @@ libstdc++convenience.la: $(toolexeclib_LTLIBRARIES)
 	fi; \
 	echo `date` > stamp-libstdc++convenience;
 stamp-debug:
-	if test ! -d ${debugdir}; then \
+	if test ! -d ${debugdir} || test ! -f ${debugdir}/Makefile ; then \
 	  mkdir -p ${debugdir}; \
 	  for d in $(SUBDIRS); do mkdir -p  ${debugdir}/$$d; done; \
 	  (cd ${debugdir}; \