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bootstrap: Update requirement to C++11.

There was general agreement last November that we would move to allowing
C++11 features to be used in GCC 11; this patch implements that direction.

ChangeLog
2020-05-18  Jason Merrill  <jason@redhat.com>

	* configure.ac: Update bootstrap dialect to -std=c++11.

config/ChangeLog
2020-05-18  Jason Merrill  <jason@redhat.com>

	* ax_cxx_compile_stdcxx.m4: Import from autoconf archive with
	an adjustment to try the default mode.

gcc/ChangeLog
2020-05-18  Jason Merrill  <jason@redhat.com>

	* aclocal.m4: Add ax_cxx_compile_stdcxx.m4.
	* configure.ac: Use AX_CXX_COMPILE_STDCXX(11).
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jicama committed May 18, 2020
1 parent e5abd1c commit 5329b59a2e13dabbe2038af0fe2e3cf5fc7f98ed
Showing with 1,996 additions and 15 deletions.
  1. +4 −0 ChangeLog
  2. +5 −0 config/ChangeLog
  3. +962 −0 config/ax_cxx_compile_stdcxx.m4
  4. +3 −3 configure
  5. +3 −3 configure.ac
  6. +10 −0 gcc/ChangeLog
  7. +1 −0 gcc/aclocal.m4
  8. +996 −2 gcc/configure
  9. +3 −0 gcc/configure.ac
  10. +9 −7 gcc/doc/install.texi
@@ -1,3 +1,7 @@
2020-05-18 Jason Merrill <jason@redhat.com>

* configure.ac: Update bootstrap dialect to -std=c++11.

2020-05-18 Alex Coplan <alex.coplan@arm.com>

* MAINTAINERS (Write After Approval): Add myself.
@@ -1,3 +1,8 @@
2020-05-18 Jason Merrill <jason@redhat.com>

* ax_cxx_compile_stdcxx.m4: Import from autoconf archive with
an adjustment to try the default mode.

2020-05-15 H.J. Lu <hongjiu.lu@intel.com>

PR bootstrap/95147

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