do not attempt to use std=c++14 on epel7

chromium-62.0.3202.62-epel7-noc++14.patch

@@ -0,0 +1,12 @@
+diff -up chromium-62.0.3202.62/tools/gn/bootstrap/bootstrap.py.epel7-noc++14 chromium-62.0.3202.62/tools/gn/bootstrap/bootstrap.py
+--- chromium-62.0.3202.62/tools/gn/bootstrap/bootstrap.py.epel7-noc++14	2017-10-24 22:20:25.881183458 -0400
++++ chromium-62.0.3202.62/tools/gn/bootstrap/bootstrap.py	2017-10-24 22:20:38.395943374 -0400
+@@ -349,7 +349,7 @@ def write_gn_ninja(path, root_gen_dir, o
+         '-pipe',
+         '-fno-exceptions'
+     ])
+-    cflags_cc.extend(['-std=c++14', '-Wno-c++11-narrowing'])
++    cflags_cc.extend(['-Wno-c++11-narrowing'])
+     if is_aix:
+      cflags.extend(['-maix64'])
+      ldflags.extend([ '-maix64 -Wl,-bbigtoc' ])

chromium.spec

@@ -119,7 +119,7 @@ Name:		chromium%{chromium_channel}%{?freeworld:-freeworld}
 Name:		chromium%{chromium_channel}
 %endif
 Version:	%{majorversion}.0.3202.62
-Release:	1%{?dist}
+Release:	1%{?dist}.1
 Summary:	A WebKit (Blink) powered web browser
 Url:		http://www.chromium.org/Home
 License:	BSD and LGPLv2+ and ASL 2.0 and IJG and MIT and GPLv2+ and ISC and OpenSSL and (MPLv1.1 or GPLv2 or LGPLv2)
@@ -216,6 +216,8 @@ Patch62:	chromium-gcc5-r3.patch
 Patch63:	chromium-gn-bootstrap-r17.patch
 # Fix _cplusplus conditional
 Patch64:	chromium-62.0.3202.62-correct-cplusplus-check.patch
+# epel7 does not know about c++14
+Patch65:	chromium-62.0.3202.62-epel7-noc++14.patch
 
 ### Chromium Tests Patches ###
 Patch100:	chromium-46.0.2490.86-use_system_opus.patch
@@ -667,6 +669,7 @@ udev.
 %patch59 -p1 -b .gcc-nc
 %patch60 -p1 -b .nonullptr
 %patch61 -p1 -b .another-rvalue-fix
+%patch65 -p1 -b .epel7-noc++14
 %endif
 %patch50 -p1 -b .pathfix
 %patch53 -p1 -b .nogccoptmath
@@ -806,6 +809,9 @@ CHROMIUM_CORE_GN_DEFINES+=' treat_warnings_as_errors=false linux_use_bundled_bin
 %ifarch aarch64
 CHROMIUM_CORE_GN_DEFINES+=' target_cpu="arm64"'
 %endif
+%if 0%{?rhel} == 7
+CHROMIUM_CORE_GN_DEFINES+=' use_cxx11=true'
+%endif
 export CHROMIUM_CORE_GN_DEFINES
 
 CHROMIUM_BROWSER_GN_DEFINES=""
@@ -1902,6 +1908,9 @@ getent group chrome-remote-desktop >/dev/null || groupadd -r chrome-remote-deskt
 
 
 %changelog
+* Tue Oct 24 2017 Tom Callaway <spot@fedoraproject.org> 62.0.3202.62-1.1
+- do not attempt std=c++14 on epel7
+
 * Wed Oct 18 2017 Tom Callaway <spot@fedoraproject.org> 62.0.3202.62-1
 - update to 62.0.3202.62