package/gtest: needs gcc >= 5

Commit be38432532b23275869a3a914c0ad0031323259c wrongly assumed that
is_trivially_copy_constructible was available since gcc 4.9 but it
wasn't fully available until gcc 5.1 and
https://github.com/gcc-mirror/gcc/commit/f5e523b76d1bdaf0df15f6bfdee602a3e153be68
resulting in the following build failure with gcc 4.9.1:

In file included from /nvmedata/autobuild/instance-13/output-1/build/gtest-1.11.0/googletest/include/gtest/internal/gtest-death-test-internal.h:39:0,
                 from /nvmedata/autobuild/instance-13/output-1/build/gtest-1.11.0/googletest/include/gtest/gtest-death-test.h:41,
                 from /nvmedata/autobuild/instance-13/output-1/build/gtest-1.11.0/googletest/include/gtest/gtest.h:64,
                 from /nvmedata/autobuild/instance-13/output-1/build/gtest-1.11.0/googletest/src/gtest-all.cc:38:
/nvmedata/autobuild/instance-13/output-1/build/gtest-1.11.0/googletest/include/gtest/gtest-matchers.h: In static member function 'static constexpr bool testing::internal::MatcherBase<T>::IsInlined()':
/nvmedata/autobuild/instance-13/output-1/build/gtest-1.11.0/googletest/include/gtest/gtest-matchers.h:414:12: error: 'is_trivially_copy_constructible' is not a member of 'std'
            std::is_trivially_copy_constructible<M>::value &&
            ^

Fixes:
 - http://autobuild.buildroot.org/results/1723705cb7aea5f6fcc7e6722d866ed3bd098115

Signed-off-by: Fabrice Fontaine <fontaine.fabrice@gmail.com>
Signed-off-by: Arnout Vandecappelle (Essensium/Mind) <arnout@mind.be>
(cherry picked from commit 3dd5b65681b35cadb08ac064eb97768ceba62909)
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>

package/gtest/Config.in

@@ -3,7 +3,7 @@ config BR2_PACKAGE_GTEST
 	depends on BR2_USE_WCHAR
 	depends on BR2_TOOLCHAIN_HAS_THREADS
 	depends on BR2_INSTALL_LIBSTDCPP
-	depends on BR2_TOOLCHAIN_GCC_AT_LEAST_4_9 # C++11
+	depends on BR2_TOOLCHAIN_GCC_AT_LEAST_5 # C++11
 	depends on BR2_USE_MMU # fork()
 	help
 	  Google's framework for writing C++ tests on a variety of
@@ -26,7 +26,7 @@ if BR2_PACKAGE_GTEST
 
 config BR2_PACKAGE_GTEST_GMOCK
 	bool "gmock"
-	depends on BR2_HOST_GCC_AT_LEAST_4_9 # host-gtest
+	depends on BR2_HOST_GCC_AT_LEAST_5 # host-gtest
 	help
 	  Inspired by jMock, EasyMock, and Hamcrest, and designed with
 	  C++'s specifics in mind, Google C++ Mocking Framework (or
@@ -48,13 +48,12 @@ config BR2_PACKAGE_GTEST_GMOCK
 	  libraries required to link/run them. The host package installs
 	  gmock_gen, a Python script used to generate code mocks.
 
-comment "gmock needs host gcc >= 4.9"
-	depends on !BR2_HOST_GCC_AT_LEAST_4_9
+comment "gmock needs host gcc >= 5"
+	depends on !BR2_HOST_GCC_AT_LEAST_5
 
 endif # BR2_PACKAGE_GTEST
 
-comment "gtest needs a toolchain w/ C++, wchar, threads, gcc >= 4.9"
+comment "gtest needs a toolchain w/ C++, wchar, threads, gcc >= 5"
 	depends on BR2_USE_MMU
 	depends on !BR2_USE_WCHAR || !BR2_TOOLCHAIN_HAS_THREADS || \
-		!BR2_INSTALL_LIBSTDCPP || \
-		!BR2_TOOLCHAIN_GCC_AT_LEAST_4_9
+		!BR2_INSTALL_LIBSTDCPP || !BR2_TOOLCHAIN_GCC_AT_LEAST_5

package/libcamera/Config.in

@@ -77,18 +77,17 @@ config BR2_PACKAGE_LIBCAMERA_COMPLIANCE
 	depends on BR2_USE_WCHAR # gtest
 	depends on BR2_TOOLCHAIN_HAS_THREADS # gtest
 	depends on BR2_INSTALL_LIBSTDCPP # gtest
-	depends on BR2_TOOLCHAIN_GCC_AT_LEAST_4_9 # gtest
+	depends on BR2_TOOLCHAIN_GCC_AT_LEAST_5 # gtest
 	depends on BR2_USE_MMU # gtest
 	select BR2_PACKAGE_GTEST
 	select BR2_PACKAGE_LIBEVENT
 	help
 	  lc-compliance test application
 
-comment "lc-compliance test application needs a toolchain w/ C++, wchar, threads, gcc >= 4.9"
+comment "lc-compliance test application needs a toolchain w/ C++, wchar, threads, gcc >= 5"
 	depends on BR2_USE_MMU
 	depends on !BR2_USE_WCHAR || !BR2_TOOLCHAIN_HAS_THREADS || \
-		!BR2_INSTALL_LIBSTDCPP || \
-		!BR2_TOOLCHAIN_GCC_AT_LEAST_4_9
+		!BR2_INSTALL_LIBSTDCPP || !BR2_TOOLCHAIN_GCC_AT_LEAST_5
 
 endif # BR2_PACKAGE_LIBCAMERA