[gnome-build-meta/valentindavid/exiv2-0.27.3] exiv2: Update to 0.27.3

[Valentin David <valentindavid src gnome org>]

commit 7b5baae3d183ca7302103662422afff35dbfc062
Author: Valentin David <valentin david codethink co uk>
Date:   Tue Apr 27 16:49:15 2021 +0200

    exiv2: Update to 0.27.3

 elements/core-deps/exiv2.bst               |  4 +++-
 files/exiv2/disable-protection-flags.patch | 22 ++++++++++++++++++++++
 2 files changed, 25 insertions(+), 1 deletion(-)
---
diff --git a/elements/core-deps/exiv2.bst b/elements/core-deps/exiv2.bst
index 562c714a..2a869208 100644
--- a/elements/core-deps/exiv2.bst
+++ b/elements/core-deps/exiv2.bst
@@ -1,7 +1,9 @@
 kind: cmake
 sources:
 - kind: tar
-  url: github_com:Exiv2/exiv2/archive/v0.26.tar.gz
+  url: github_com:Exiv2/exiv2/archive/v0.27.3.tar.gz
+- kind: patch
+  path: files/exiv2/disable-protection-flags.patch
 build-depends:
 - freedesktop-sdk.bst:public-stacks/buildsystem-cmake.bst
 depends:
diff --git a/files/exiv2/disable-protection-flags.patch b/files/exiv2/disable-protection-flags.patch
new file mode 100644
index 00000000..f7c61c8a
--- /dev/null
+++ b/files/exiv2/disable-protection-flags.patch
@@ -0,0 +1,22 @@
+diff -ur exiv2.old/cmake/compilerFlags.cmake exiv2/cmake/compilerFlags.cmake
+--- exiv2.old/cmake/compilerFlags.cmake        2021-04-29 12:05:56.583134150 +0200
++++ exiv2/cmake/compilerFlags.cmake    2021-04-29 12:12:13.061717835 +0200
+@@ -1,4 +1,5 @@
+ # These flags applies to exiv2lib, the applications, and to the xmp code
++include(CheckCXXCompilerFlag)
+ 
+ if ( MINGW OR UNIX OR MSYS ) # MINGW, Linux, APPLE, CYGWIN
+     if (${CMAKE_CXX_COMPILER_ID} STREQUAL GNU)
+@@ -26,7 +27,11 @@
+         # This fails under Fedora, MinGW GCC 8.3.0 and CYGWIN/MSYS 9.3.0
+         if (NOT (MINGW OR CMAKE_HOST_SOLARIS OR CYGWIN OR MSYS) )
+             if (COMPILER_IS_GCC AND CMAKE_CXX_COMPILER_VERSION VERSION_GREATER_EQUAL 8.0)
+-                add_compile_options(-fstack-clash-protection -fcf-protection)
++                check_cxx_compiler_flag(-fstack-clash-protection STACK_CLASH_PROTECTION)
++                check_cxx_compiler_flag(-fcf-protection CF_PROTECTION)
++                if (STACK_CLASH_PROTECTION AND CF_PROTECTION)
++                    add_compile_options(-fstack-clash-protection -fcf-protection)
++                endif()
+             endif()
+ 
+             if( (COMPILER_IS_GCC   AND CMAKE_CXX_COMPILER_VERSION VERSION_GREATER_EQUAL 5.0) # Not in GCC 
4.8